nuttx/arch/arm/src/cxd56xx/cxd56_gnss.c
Gregory Nutt 72104c182c nxstyle fixes
Run all files modified by PR 766 through nxstyle and fix any resulting complaints.

NOTE:  Numerous "Mixed case identifier" errors in arch/arm/src/cxd56xx/cxd56_gnss.c were not fixed because this problem is of much larger scope than this file.
2020-04-11 21:19:47 +01:00

2986 lines
79 KiB
C

/****************************************************************************
* arch/arm/src/cxd56xx/cxd56_gnss.c
*
* Copyright 2018, 2019 Sony Semiconductor Solutions Corporation
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name of Sony Semiconductor Solutions Corporation nor
* the names of its contributors may be used to endorse or promote
* products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <fixedmath.h>
#include <poll.h>
#include <errno.h>
#include <debug.h>
#include <nuttx/kmalloc.h>
#include <nuttx/board.h>
#include <nuttx/signal.h>
#include <nuttx/fs/fs.h>
#include <nuttx/spi/spi.h>
#include <arch/chip/gnss.h>
#include <arch/board/board.h>
#include "cxd56_gnss_api.h"
#include "cxd56_cpu1signal.h"
#include "cxd56_gnss.h"
#if defined(CONFIG_CXD56_GNSS)
/****************************************************************************
* External Defined Functions
****************************************************************************/
extern int PM_LoadImage(int cpuid, const char *filename);
extern int PM_StartCpu(int cpuid, int wait);
extern int PM_SleepCpu(int cpuid, int mode);
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
#ifndef CONFIG_CXD56_GNSS_NPOLLWAITERS
# define CONFIG_CXD56_GNSS_NPOLLWAITERS 4
#endif
#ifndef CONFIG_CXD56_GNSS_NSIGNALRECEIVERS
# define CONFIG_CXD56_GNSS_NSIGNALRECEIVERS 4
#endif
#ifndef CONFIG_CXD56_GNSS_BACKUP_BUFFER_SIZE
# define CONFIG_CXD56_GNSS_BACKUP_BUFFER_SIZE 1024
#endif
#ifndef CONFIG_CXD56_GNSS_BACKUP_FILENAME
# define CONFIG_CXD56_GNSS_BACKUP_FILENAME "/mnt/spif/gnss_backup.bin"
#endif
#ifndef CONFIG_CXD56_GNSS_CEP_FILENAME
# define CONFIG_CXD56_GNSS_CEP_FILENAME "/mnt/spif/gnss_cep.bin"
#endif
#define CXD56_GNSS_GPS_CPUID 1
#ifdef CONFIG_CXD56_GNSS_FW_RTK
# define CXD56_GNSS_FWNAME "gnssfwrtk"
#else
# define CXD56_GNSS_FWNAME "gnssfw"
#endif
#ifndef PM_SLEEP_MODE_COLD
# define PM_SLEEP_MODE_COLD 2
#endif
#ifndef PM_SLEEP_MODE_HOT_ENABLE
# define PM_SLEEP_MODE_HOT_ENABLE 7
#endif
#ifndef PM_SLEEP_MODE_HOT_DISABLE
# define PM_SLEEP_MODE_HOT_DISABLE 8
#endif
/* Notify data of PUBLISH_TYPE_GNSS */
#define CXD56_GNSS_NOTIFY_TYPE_POSITION 0
#define CXD56_GNSS_NOTIFY_TYPE_BOOTCOMP 1
#define CXD56_GNSS_NOTIFY_TYPE_REQBKUPDAT 2
#define CXD56_GNSS_NOTIFY_TYPE_REQCEPOPEN 3
#define CXD56_GNSS_NOTIFY_TYPE_REQCEPCLOSE 4
#define CXD56_GNSS_NOTIFY_TYPE_REQCEPDAT 5
#define CXD56_GNSS_NOTIFY_TYPE_REQCEPBUFFREE 6
/* GNSS core CPU FIFO interface API */
#define CXD56_GNSS_GD_GNSS_START 0
#define CXD56_GNSS_GD_GNSS_STOP 1
#define CXD56_GNSS_GD_GNSS_CEPINITASSISTDATA 2
/* CPU FIFO API bitfield converter */
#define CXD56_GNSS_CPUFIFOAPI_SET_DATA(API, DATA) (((DATA) << 8) | (API))
/* Common info shared with GNSS core */
#define GNSS_SHARED_INFO_MAX_ARGC 6
/* GDSP File read/write arguments */
#define GNSS_ARGS_FILE_OFFSET 0
#define GNSS_ARGS_FILE_BUF 1
#define GNSS_ARGS_FILE_LENGTH 2
/****************************************************************************
* Private Types
****************************************************************************/
#ifndef CONFIG_DISABLE_SIGNAL
struct cxd56_gnss_sig_s
{
uint8_t enable;
int pid;
FAR struct cxd56_gnss_signal_info_s info;
};
#endif
struct cxd56_gnss_shared_info_s
{
int retval;
uint32_t argc;
uint32_t argv[GNSS_SHARED_INFO_MAX_ARGC];
};
struct cxd56_devsig_table_s
{
uint8_t sigtype;
cxd56_cpu1sighandler_t handler;
};
struct cxd56_gnss_dev_s
{
sem_t devsem;
sem_t syncsem;
uint8_t num_open;
uint8_t notify_data;
FAR FILE * cepfp;
FAR void * cepbuf;
FAR struct pollfd *fds[CONFIG_CXD56_GNSS_NPOLLWAITERS];
#if !defined(CONFIG_DISABLE_SIGNAL) && \
(CONFIG_CXD56_GNSS_NSIGNALRECEIVERS != 0)
struct cxd56_gnss_sig_s sigs[CONFIG_CXD56_GNSS_NSIGNALRECEIVERS];
#endif
struct cxd56_gnss_shared_info_s shared_info;
sem_t ioctllock;
sem_t apiwait;
int apiret;
};
/****************************************************************************
* Private Function Prototypes
****************************************************************************/
/* ioctl command functions */
static int cxd56_gnss_start(FAR struct file *filep, unsigned long arg);
static int cxd56_gnss_stop(FAR struct file *filep, unsigned long arg);
static int cxd56_gnss_select_satellite_system(FAR struct file *filep,
unsigned long arg);
static int cxd56_gnss_get_satellite_system(FAR struct file *filep,
unsigned long arg);
static int
cxd56_gnss_set_receiver_position_ellipsoidal(FAR struct file *filep,
unsigned long arg);
static int cxd56_gnss_set_receiver_position_orthogonal(
FAR struct file *filep,
unsigned long arg);
static int cxd56_gnss_set_ope_mode(FAR struct file *filep,
unsigned long arg);
static int cxd56_gnss_get_ope_mode(FAR struct file *filep,
unsigned long arg);
static int cxd56_gnss_set_tcxo_offset(FAR struct file *filep,
unsigned long arg);
static int cxd56_gnss_get_tcxo_offset(FAR struct file *filep,
unsigned long arg);
static int cxd56_gnss_set_time(FAR struct file *filep,
unsigned long arg);
static int cxd56_gnss_get_almanac(FAR struct file *filep,
unsigned long arg);
static int cxd56_gnss_set_almanac(FAR struct file *filep,
unsigned long arg);
static int cxd56_gnss_get_ephemeris(FAR struct file *filep,
unsigned long arg);
static int cxd56_gnss_set_ephemeris(FAR struct file *filep,
unsigned long arg);
static int cxd56_gnss_save_backup_data(FAR struct file *filep,
unsigned long arg);
static int cxd56_gnss_erase_backup_data(FAR struct file *filep,
unsigned long arg);
static int cxd56_gnss_open_cep_data(FAR struct file *filep,
unsigned long arg);
static int cxd56_gnss_close_cep_data(FAR struct file *filep,
unsigned long arg);
static int cxd56_gnss_check_cep_data(FAR struct file *filep,
unsigned long arg);
static int cxd56_gnss_get_cep_age(FAR struct file *filep,
unsigned long arg);
static int cxd56_gnss_reset_cep_flag(FAR struct file *filep,
unsigned long arg);
static int cxd56_gnss_set_acquist_data(FAR struct file *filep,
unsigned long arg);
static int cxd56_gnss_set_frametime(FAR struct file *filep,
unsigned long arg);
static int cxd56_gnss_set_tau_gps(FAR struct file *filep,
unsigned long arg);
static int cxd56_gnss_set_time_gps(FAR struct file *filep,
unsigned long arg);
static int cxd56_gnss_clear_receiver_info(FAR struct file *filep,
unsigned long arg);
static int cxd56_gnss_set_tow_assist(FAR struct file *filep,
unsigned long arg);
static int cxd56_gnss_set_utc_model(FAR struct file *filep,
unsigned long arg);
static int cxd56_gnss_control_spectrum(FAR struct file *filep,
unsigned long arg);
static int cxd56_gnss_start_test(FAR struct file *filep,
unsigned long arg);
static int cxd56_gnss_stop_test(FAR struct file *filep,
unsigned long arg);
static int cxd56_gnss_get_test_result(FAR struct file *filep,
unsigned long arg);
static int cxd56_gnss_set_signal(FAR struct file *filep,
unsigned long arg);
static int cxd56_gnss_start_pvtlog(FAR struct file *filep,
unsigned long arg);
static int cxd56_gnss_stop_pvtlog(FAR struct file *filep,
unsigned long arg);
static int cxd56_gnss_delete_pvtlog(FAR struct file *filep,
unsigned long arg);
static int cxd56_gnss_get_pvtlog_status(FAR struct file *filep,
unsigned long arg);
static int cxd56_gnss_start_rtk_output(FAR struct file *filep,
unsigned long arg);
static int cxd56_gnss_stop_rtk_output(FAR struct file *filep,
unsigned long arg);
static int cxd56_gnss_set_rtk_interval(FAR struct file *filep,
unsigned long arg);
static int cxd56_gnss_get_rtk_interval(FAR struct file *filep,
unsigned long arg);
static int cxd56_gnss_select_rtk_satellite(FAR struct file *filep,
unsigned long arg);
static int cxd56_gnss_get_rtk_satellite(FAR struct file *filep,
unsigned long arg);
static int cxd56_gnss_set_rtk_ephemeris_enable(FAR struct file *filep,
unsigned long arg);
static int cxd56_gnss_get_rtk_ephemeris_enable(FAR struct file *filep,
unsigned long arg);
static int cxd56_gnss_start_navmsg_output(FAR struct file *filep,
unsigned long arg);
static int cxd56_gnss_get_var_ephemeris(FAR struct file *filep,
unsigned long arg);
static int cxd56_gnss_set_var_ephemeris(FAR struct file *filep,
unsigned long arg);
/* file operation functions */
static int cxd56_gnss_open(FAR struct file *filep);
static int cxd56_gnss_close(FAR struct file *filep);
static ssize_t cxd56_gnss_read(FAR struct file *filep, FAR char *buffer,
size_t len);
static ssize_t cxd56_gnss_write(FAR struct file *filep,
FAR const char *buffer, size_t buflen);
static int cxd56_gnss_ioctl(FAR struct file *filep, int cmd,
unsigned long arg);
#ifndef CONFIG_DISABLE_POLL
static int cxd56_gnss_poll(FAR struct file *filep, FAR struct pollfd *fds,
bool setup);
#endif
static int8_t cxd56_gnss_select_notifytype(off_t fpos, uint32_t *offset);
static int cxd56_gnss_cpufifo_api(FAR struct file *filep,
unsigned int api,
unsigned int data);
/****************************************************************************
* Private Data
****************************************************************************/
/* This the vtable that supports the character driver interface */
static const struct file_operations g_gnssfops =
{
cxd56_gnss_open, /* open */
cxd56_gnss_close, /* close */
cxd56_gnss_read, /* read */
cxd56_gnss_write, /* write */
0, /* seek */
cxd56_gnss_ioctl, /* ioctl */
#ifndef CONFIG_DISABLE_POLL
cxd56_gnss_poll, /* poll */
#endif
};
/* GNSS ioctl command list */
static int (*g_cmdlist[CXD56_GNSS_IOCTL_MAX])(FAR struct file *filep,
unsigned long arg) =
{
NULL, /* CXD56_GNSS_IOCTL_INVAL = 0 */
cxd56_gnss_start,
cxd56_gnss_stop,
cxd56_gnss_select_satellite_system,
cxd56_gnss_get_satellite_system,
cxd56_gnss_set_receiver_position_ellipsoidal,
cxd56_gnss_set_receiver_position_orthogonal,
cxd56_gnss_set_ope_mode,
cxd56_gnss_get_ope_mode,
cxd56_gnss_set_tcxo_offset,
cxd56_gnss_get_tcxo_offset,
cxd56_gnss_set_time,
cxd56_gnss_get_almanac,
cxd56_gnss_set_almanac,
cxd56_gnss_get_ephemeris,
cxd56_gnss_set_ephemeris,
cxd56_gnss_save_backup_data,
cxd56_gnss_erase_backup_data,
cxd56_gnss_open_cep_data,
cxd56_gnss_close_cep_data,
cxd56_gnss_check_cep_data,
cxd56_gnss_get_cep_age,
cxd56_gnss_reset_cep_flag,
cxd56_gnss_start_rtk_output,
cxd56_gnss_stop_rtk_output,
cxd56_gnss_set_rtk_interval,
cxd56_gnss_get_rtk_interval,
cxd56_gnss_select_rtk_satellite,
cxd56_gnss_get_rtk_satellite,
cxd56_gnss_set_rtk_ephemeris_enable,
cxd56_gnss_get_rtk_ephemeris_enable,
cxd56_gnss_set_acquist_data,
cxd56_gnss_set_frametime,
cxd56_gnss_set_tau_gps,
cxd56_gnss_set_time_gps,
cxd56_gnss_clear_receiver_info,
cxd56_gnss_set_tow_assist,
cxd56_gnss_set_utc_model,
cxd56_gnss_control_spectrum,
cxd56_gnss_start_test,
cxd56_gnss_stop_test,
cxd56_gnss_get_test_result,
cxd56_gnss_set_signal,
cxd56_gnss_start_pvtlog,
cxd56_gnss_stop_pvtlog,
cxd56_gnss_delete_pvtlog,
cxd56_gnss_get_pvtlog_status,
cxd56_gnss_start_navmsg_output,
cxd56_gnss_set_var_ephemeris,
cxd56_gnss_get_var_ephemeris,
/* max CXD56_GNSS_IOCTL_MAX */
};
/****************************************************************************
* Private Functions
****************************************************************************/
/* IOCTL private functions */
/****************************************************************************
* Name: cxd56_gnss_start
*
* Description:
* Process CXD56_GNSS_IOCTL_START command.
* Start a positioning
* beginning to search the satellites and measure the receiver position
*
* Input Parameters:
* filep - File structure pointer
* arg - Data for command
*
* Returned Value:
* Zero (OK) on success; a negated errno value on failure.
*
****************************************************************************/
static int cxd56_gnss_start(FAR struct file *filep, unsigned long arg)
{
int ret;
int retry = 50;
uint8_t start_mode = (uint8_t)arg;
ret = board_lna_power_control(true);
if (ret < 0)
{
return ret;
}
while (!g_rtc_enabled && 0 < retry--)
{
/* GNSS requires stable RTC */
nxsig_usleep(100 * 1000);
}
ret = cxd56_gnss_cpufifo_api(filep, CXD56_GNSS_GD_GNSS_START,
start_mode);
if (ret < 0)
{
board_lna_power_control(false);
}
return ret;
}
/****************************************************************************
* Name: cxd56_gnss_stop
*
* Description:
* Process CXD56_GNSS_IOCTL_STOP command.
* Stop a positioning.
*
* Input Parameters:
* filep - File structure pointer
* arg - Data for command
*
* Returned Value:
* Zero (OK) on success; a negated errno value on failure.
*
****************************************************************************/
static int cxd56_gnss_stop(FAR struct file *filep, unsigned long arg)
{
int ret;
ret = cxd56_gnss_cpufifo_api(filep, CXD56_GNSS_GD_GNSS_STOP, 0);
board_lna_power_control(false);
return ret;
}
/****************************************************************************
* Name: cxd56_gnss_get_satellite_system
*
* Description:
* Process CXD56_GNSS_IOCTL_SELECT_SATELLITE_SYSTEM command.
* Select GNSSs to positioning
* These are able to specified by CXD56_GNSS_B_SAT_XXX defines.
*
* Input Parameters:
* filep - File structure pointer
* arg - Data for command
*
* Returned Value:
* Zero (OK) on success; a negated errno value on failure.
*
****************************************************************************/
static int cxd56_gnss_select_satellite_system(FAR struct file *filep,
unsigned long arg)
{
uint32_t system = (uint32_t)arg;
return GD_SelectSatelliteSystem(system);
}
/****************************************************************************
* Name: cxd56_gnss_get_satellite_system
*
* Description:
* Process CXD56_GNSS_IOCTL_GET_SATELLITE_SYSTEM command.
* Get current using GNSSs to positioning
* A argument 'satellite' indicates current GNSSs by bit fields defined by
* CXD56_GNSS_B_SAT_XXX.
*
* Input Parameters:
* filep - File structure pointer
* arg - Data for command
*
* Returned Value:
* Zero (OK) on success; a negated errno value on failure.
*
****************************************************************************/
static int cxd56_gnss_get_satellite_system(FAR struct file *filep,
unsigned long arg)
{
int ret;
uint32_t system;
if (!arg)
{
return -EINVAL;
}
ret = GD_GetSatelliteSystem(&system);
*(uint32_t *)arg = system;
return ret;
}
/****************************************************************************
* Name: cxd56_gnss_set_receiver_position_ellipsoidal
*
* Description:
* Process CXD56_GNSS_IOCTL_SET_RECEIVER_POSITION_ELLIPSOIDAL command.
* Set the rough receiver position
* arg = { double lat, double lon, double height }
*
* Input Parameters:
* filep - File structure pointer
* arg - Data for command
*
* Returned Value:
* Zero (OK) on success; a negated errno value on failure.
*
****************************************************************************/
static int
cxd56_gnss_set_receiver_position_ellipsoidal(FAR struct file *filep,
unsigned long arg)
{
FAR struct cxd56_gnss_ellipsoidal_position_s *pos;
if (!arg)
{
return -EINVAL;
}
pos = (FAR struct cxd56_gnss_ellipsoidal_position_s *)arg;
return GD_SetReceiverPositionEllipsoidal(&pos->latitude,
&pos->longitude,
&pos->altitude);
}
/****************************************************************************
* Name: cxd56_gnss_set_receiver_position_orthogonal
*
* Description:
* Process CXD56_GNSS_IOCTL_SET_RECEIVER_POSITION_ORTHOGONAL command.
* Set the rough receiver position as orgothonal
* arg = { int32_t x, int32_t y, int32_t z }
*
* Input Parameters:
* filep - File structure pointer
* arg - Data for command
*
* Returned Value:
* Zero (OK) on success; a negated errno value on failure.
*
****************************************************************************/
static int cxd56_gnss_set_receiver_position_orthogonal(
FAR struct file *filep,
unsigned long arg)
{
FAR struct cxd56_gnss_orthogonal_position_s *pos;
if (!arg)
{
return -EINVAL;
}
pos = (FAR struct cxd56_gnss_orthogonal_position_s *)arg;
return GD_SetReceiverPositionOrthogonal(pos->x, pos->y, pos->z);
}
/****************************************************************************
* Name: cxd56_gnss_set_ope_mode
*
* Description:
* Process CXD56_GNSS_IOCTL_SET_OPE_MODE command.
* Set GNSS operation mode.
*
* Input Parameters:
* filep - File structure pointer
* arg - Data for command
*
* Returned Value:
* Zero (OK) on success; a negated errno value on failure.
*
****************************************************************************/
static int cxd56_gnss_set_ope_mode(FAR struct file *filep, unsigned long arg)
{
FAR struct cxd56_gnss_ope_mode_param_s *ope_mode;
if (!arg)
{
return -EINVAL;
}
ope_mode = (FAR struct cxd56_gnss_ope_mode_param_s *)arg;
return GD_SetOperationMode(ope_mode->mode, ope_mode->cycle);
}
/****************************************************************************
* Name: cxd56_gnss_get_ope_mode
*
* Description:
* Process CXD56_GNSS_IOCTL_GET_OPE_MODE command.
* Set the TCXO offset
*
* Input Parameters:
* filep - File structure pointer
* arg - Data for command
*
* Returned Value:
* Zero (OK) on success; a negated errno value on failure.
*
****************************************************************************/
static int cxd56_gnss_get_ope_mode(FAR struct file *filep, unsigned long arg)
{
FAR struct cxd56_gnss_ope_mode_param_s *ope_mode;
if (!arg)
{
return -EINVAL;
}
ope_mode = (FAR struct cxd56_gnss_ope_mode_param_s *)arg;
return GD_GetOperationMode(&ope_mode->mode, &ope_mode->cycle);
}
/****************************************************************************
* Name: cxd56_gnss_set_tcxo_offset
*
* Description:
* Process CXD56_GNSS_IOCTL_SET_TCXO_OFFSET command.
* Set the TCXO offset
*
* Input Parameters:
* filep - File structure pointer
* arg - Data for command
*
* Returned Value:
* Zero (OK) on success; a negated errno value on failure.
*
****************************************************************************/
static int cxd56_gnss_set_tcxo_offset(FAR struct file *filep,
unsigned long arg)
{
int32_t offset = (int32_t)arg;
return GD_SetTcxoOffset(offset);
}
/****************************************************************************
* Name: cxd56_gnss_get_tcxo_offset
*
* Description:
* Process CXD56_GNSS_IOCTL_GET_TCXO_OFFSET command.
* Get the TCXO offset
*
* Input Parameters:
* filep - File structure pointer
* arg - Data for command
*
* Returned Value:
* Zero (OK) on success; a negated errno value on failure.
*
****************************************************************************/
static int cxd56_gnss_get_tcxo_offset(FAR struct file *filep,
unsigned long arg)
{
int ret;
int32_t offset;
if (!arg)
{
return -EINVAL;
}
ret = GD_GetTcxoOffset(&offset);
*(uint32_t *)arg = offset;
return ret;
}
/****************************************************************************
* Name: cxd56_gnss_set_time
*
* Description:
* Process CXD56_GNSS_IOCTL_SET_TIME command.
* Set the estimated current time of the receiver.
* 1st argument date & time are in UTC.
*
* Input Parameters:
* filep - File structure pointer
* arg - Data for command
*
* Returned Value:
* Zero (OK) on success; a negated errno value on failure.
*
****************************************************************************/
static int cxd56_gnss_set_time(FAR struct file *filep, unsigned long arg)
{
FAR struct cxd56_gnss_datetime_s *date_time;
if (!arg)
{
return -EINVAL;
}
date_time = (FAR struct cxd56_gnss_datetime_s *)arg;
return GD_SetTime(&date_time->date, &date_time->time);
}
/****************************************************************************
* Name: cxd56_gnss_get_almanac
*
* Description:
* Process CXD56_GNSS_IOCTL_GET_ALMANAC command.
* Get the almanac data
*
* Input Parameters:
* filep - File structure pointer
* arg - Data for command
*
* Returned Value:
* Zero (OK) on success; a negated errno value on failure.
*
****************************************************************************/
static int cxd56_gnss_get_almanac(FAR struct file *filep, unsigned long arg)
{
FAR struct cxd56_gnss_orbital_param_s *param;
uint32_t almanac_size;
if (!arg)
{
return -EINVAL;
}
param = (FAR struct cxd56_gnss_orbital_param_s *)arg;
return GD_GetAlmanac(param->type, param->data, &almanac_size);
}
/****************************************************************************
* Name: cxd56_gnss_set_almanac
*
* Description:
* Process CXD56_GNSS_IOCTL_SET_ALMANAC command.
* Set the almanac data
*
* Input Parameters:
* filep - File structure pointer
* arg - Data for command
*
* Returned Value:
* Zero (OK) on success; a negated errno value on failure.
*
****************************************************************************/
static int cxd56_gnss_set_almanac(FAR struct file *filep, unsigned long arg)
{
FAR struct cxd56_gnss_orbital_param_s *param;
if (!arg)
{
return -EINVAL;
}
param = (FAR struct cxd56_gnss_orbital_param_s *)arg;
return GD_SetAlmanac(param->type, param->data);
}
/****************************************************************************
* Name: cxd56_gnss_get_ephemeris
*
* Description:
* Process CXD56_GNSS_IOCTL_GET_EPHEMERIS command.
* Get the Ephemeris data
*
* Input Parameters:
* filep - File structure pointer
* arg - Data for command
*
* Returned Value:
* Zero (OK) on success; a negated errno value on failure.
*
****************************************************************************/
static int cxd56_gnss_get_ephemeris(FAR struct file *filep,
unsigned long arg)
{
FAR struct cxd56_gnss_orbital_param_s *param;
uint32_t ephemeris_size;
if (!arg)
{
return -EINVAL;
}
param = (FAR struct cxd56_gnss_orbital_param_s *)arg;
return GD_GetEphemeris(param->type, param->data, &ephemeris_size);
}
/****************************************************************************
* Name: cxd56_gnss_set_ephemeris
*
* Description:
* Process CXD56_GNSS_IOCTL_SET_EPHEMERIS command.
* Set the Ephemeris data
*
* Input Parameters:
* filep - File structure pointer
* arg - Data for command
*
* Returned Value:
* Zero (OK) on success; a negated errno value on failure.
*
****************************************************************************/
static int cxd56_gnss_set_ephemeris(FAR struct file *filep,
unsigned long arg)
{
FAR struct cxd56_gnss_orbital_param_s *param;
if (!arg)
{
return -EINVAL;
}
param = (FAR struct cxd56_gnss_orbital_param_s *)arg;
return GD_SetEphemeris(param->type, param->data);
}
/****************************************************************************
* Name: cxd56_gnss_save_backup_data
*
* Description:
* Process CXD56_GNSS_IOCTL_SAVE_BACKUP_DATA command.
* Save the backup data to a Flash memory.
*
* Input Parameters:
* filep - File structure pointer
* arg - Data for command
*
* Returned Value:
* Zero (OK) on success; a negated errno value on failure.
*
****************************************************************************/
static int cxd56_gnss_save_backup_data(FAR struct file *filep,
unsigned long arg)
{
FAR char *buf;
FAR FILE *fp;
int n = 0;
int32_t offset = 0;
buf = (char *)malloc(CONFIG_CXD56_GNSS_BACKUP_BUFFER_SIZE);
if (buf == NULL)
{
return -ENOMEM;
}
fp = fopen(CONFIG_CXD56_GNSS_BACKUP_FILENAME, "wb");
if (fp == NULL)
{
free(buf);
return -ENOENT;
}
do
{
n = GD_ReadBuffer(CXD56_CPU1_DATA_TYPE_BACKUP, offset, buf,
CONFIG_CXD56_GNSS_BACKUP_BUFFER_SIZE);
if (n <= 0)
{
break;
}
n = fwrite(buf, 1, n, fp);
offset += n;
}
while (n == CONFIG_CXD56_GNSS_BACKUP_BUFFER_SIZE);
free(buf);
fclose(fp);
return n < 0 ? n : 0;
}
/****************************************************************************
* Name: cxd56_gnss_erase_backup_data
*
* Description:
* Process CXD56_GNSS_IOCTL_ERASE_BACKUP_DATA command.
* Erase the backup data on a Flash memory.
*
* Input Parameters:
* filep - File structure pointer
* arg - Data for command
*
* Returned Value:
* Zero (OK) on success; a negated errno value on failure.
*
****************************************************************************/
static int cxd56_gnss_erase_backup_data(FAR struct file *filep,
unsigned long arg)
{
return unlink(CONFIG_CXD56_GNSS_BACKUP_FILENAME);
}
/****************************************************************************
* Name: cxd56_gnss_open_cep_data
*
* Description:
* Process CXD56_GNSS_IOCTL_OPEN_CEP_DATA command.
* Open CEP data file
*
* Input Parameters:
* filep - File structure pointer
* arg - Data for command
*
* Returned Value:
* Zero (OK) on success; a negated errno value on failure.
*
****************************************************************************/
static int cxd56_gnss_open_cep_data(FAR struct file *filep,
unsigned long arg)
{
return cxd56_cpu1sigsend(CXD56_CPU1_DATA_TYPE_CEPFILE, TRUE);
}
/****************************************************************************
* Name: cxd56_gnss_close_cep_data
*
* Description:
* Process CXD56_GNSS_IOCTL_CLOSE_CEP_DATA command.
* Close CEP data file
*
* Input Parameters:
* filep - File structure pointer
* arg - Data for command
*
* Returned Value:
* Zero (OK) on success; a negated errno value on failure.
*
****************************************************************************/
static int cxd56_gnss_close_cep_data(FAR struct file *filep,
unsigned long arg)
{
return cxd56_cpu1sigsend(CXD56_CPU1_DATA_TYPE_CEPFILE, FALSE);
}
/****************************************************************************
* Name: cxd56_gnss_check_cep_data
*
* Description:
* Process CXD56_GNSS_IOCTL_CHECK_CEP_DATA command.
* Check CEP data valid
*
* Input Parameters:
* filep - File structure pointer
* arg - Data for command
*
* Returned Value:
* Zero (OK) on success; a negated errno value on failure.
*
****************************************************************************/
static int cxd56_gnss_check_cep_data(FAR struct file *filep,
unsigned long arg)
{
return GD_CepCheckAssistData();
}
/****************************************************************************
* Name: cxd56_gnss_get_cep_age
*
* Description:
* Process CXD56_GNSS_IOCTL_GET_CEP_AGE command.
* Get CEP valid term
*
* Input Parameters:
* filep - File structure pointer
* arg - Data for command
*
* Returned Value:
* Zero (OK) on success; a negated errno value on failure.
*
****************************************************************************/
static int cxd56_gnss_get_cep_age(FAR struct file *filep, unsigned long arg)
{
FAR struct cxd56_gnss_cep_age_s *age;
if (!arg)
{
return -EINVAL;
}
age = (FAR struct cxd56_gnss_cep_age_s *)arg;
return GD_CepGetAgeData(&age->age, &age->cepi);
}
/****************************************************************************
* Name: cxd56_gnss_reset_cep_flag
*
* Description:
* Process CXD56_GNSS_IOCTL_RESET_CEP_FLAG command.
* Reset CEP data init flag & valid flag
*
* Input Parameters:
* filep - File structure pointer
* arg - Data for command
*
* Returned Value:
* Zero (OK) on success; a negated errno value on failure.
*
****************************************************************************/
static int cxd56_gnss_reset_cep_flag(FAR struct file *filep,
unsigned long arg)
{
return cxd56_gnss_cpufifo_api(filep,
CXD56_GNSS_GD_GNSS_CEPINITASSISTDATA, 0);
}
/****************************************************************************
* Name: cxd56_gnss_set_acquist_data
*
* Description:
* Process CXD56_GNSS_IOCTL_AGPS_SET_ACQUIST command.
* AGPS set acquist data
*
* Input Parameters:
* filep - File structure pointer
* arg - Data for command
*
* Returned Value:
* Zero (OK) on success; a negated errno value on failure.
*
****************************************************************************/
static int cxd56_gnss_set_acquist_data(FAR struct file *filep,
unsigned long arg)
{
FAR struct cxd56_gnss_agps_acquist_s *acquist;
if (!arg)
{
return -EINVAL;
}
acquist = (FAR struct cxd56_gnss_agps_acquist_s *)arg;
return GD_SetAcquist(acquist->data, acquist->size);
}
/****************************************************************************
* Name: cxd56_gnss_set_frametime
*
* Description:
* Process CXD56_GNSS_IOCTL_AGPS_SET_FRAMETIME command.
* AGPS set frame time
*
* Input Parameters:
* filep - File structure pointer
* arg - Data for command
*
* Returned Value:
* Zero (OK) on success; a negated errno value on failure.
*
****************************************************************************/
static int cxd56_gnss_set_frametime(FAR struct file *filep,
unsigned long arg)
{
FAR struct cxd56_gnss_agps_frametime_s *frametime;
if (!arg)
{
return -EINVAL;
}
frametime = (FAR struct cxd56_gnss_agps_frametime_s *)arg;
return GD_SetFrameTime(frametime->sec, frametime->frac);
}
/****************************************************************************
* Name: cxd56_gnss_set_tau_gps
*
* Description:
* Process CXD56_GNSS_IOCTL_AGPS_SET_TAU_GPS command.
* AGPS set TAU GPS
*
* Input Parameters:
* filep - File structure pointer
* arg - Data for command
*
* Returned Value:
* Zero (OK) on success; a negated errno value on failure.
*
****************************************************************************/
static int cxd56_gnss_set_tau_gps(FAR struct file *filep, unsigned long arg)
{
FAR struct cxd56_gnss_agps_tau_gps_s *taugpstime;
if (!arg)
{
return -EINVAL;
}
taugpstime = (FAR struct cxd56_gnss_agps_tau_gps_s *)arg;
return GD_SetTauGps(&taugpstime->taugps);
}
/****************************************************************************
* Name: cxd56_gnss_set_time_gps
*
* Description:
* Process CXD56_GNSS_IOCTL_AGPS_SET_TIME_GPS command.
* Set high precision receiver time
*
* Input Parameters:
* filep - File structure pointer
* arg - Data for command
*
* Returned Value:
* Zero (OK) on success; a negated errno value on failure.
*
****************************************************************************/
static int cxd56_gnss_set_time_gps(FAR struct file *filep, unsigned long arg)
{
FAR struct cxd56_gnss_agps_time_gps_s *time_gps;
if (!arg)
{
return -EINVAL;
}
time_gps = (FAR struct cxd56_gnss_agps_time_gps_s *)arg;
return GD_SetTimeGps(&time_gps->date, &time_gps->time);
}
/****************************************************************************
* Name: cxd56_gnss_clear_receiver_info
*
* Description:
* Process CXD56_GNSS_IOCTL_AGPS_CLEAR_RECEIVER_INFO command.
* Clear info(s) for hot start such as ephemeris.
*
* Input Parameters:
* filep - File structure pointer
* arg - Data for command
*
* Returned Value:
* Zero (OK) on success; a negated errno value on failure.
*
****************************************************************************/
static int cxd56_gnss_clear_receiver_info(FAR struct file *filep,
unsigned long arg)
{
uint32_t clear_type = arg;
return GD_ClearReceiverInfo(clear_type);
}
/****************************************************************************
* Name: cxd56_gnss_set_tow_assist
*
* Description:
* Process CXD56_GNSS_IOCTL_AGPS_SET_TOW_ASSIST command.
* AGPS set acquist data
*
* Input Parameters:
* filep - File structure pointer
* arg - Data for command
*
* Returned Value:
* Zero (OK) on success; a negated errno value on failure.
*
****************************************************************************/
static int cxd56_gnss_set_tow_assist(FAR struct file *filep,
unsigned long arg)
{
FAR struct cxd56_gnss_agps_tow_assist_s *assist;
if (!arg)
{
return -EINVAL;
}
assist = (FAR struct cxd56_gnss_agps_tow_assist_s *)arg;
return GD_SetTowAssist(assist->data, assist->size);
}
/****************************************************************************
* Name: cxd56_gnss_set_utc_model
*
* Description:
* Process CXD56_GNSS_IOCTL_AGPS_SET_UTC_MODEL command.
* AGPS set UTC model
*
* Input Parameters:
* filep - File structure pointer
* arg - Data for command
*
* Returned Value:
* Zero (OK) on success; a negated errno value on failure.
*
****************************************************************************/
static int cxd56_gnss_set_utc_model(FAR struct file *filep,
unsigned long arg)
{
FAR struct cxd56_gnss_agps_utc_model_s *model;
if (!arg)
{
return -EINVAL;
}
model = (FAR struct cxd56_gnss_agps_utc_model_s *)arg;
return GD_SetUtcModel(model->data, model->size);
}
/****************************************************************************
* Name: cxd56_gnss_control_spectrum
*
* Description:
* Process CXD56_GNSS_IOCTL_SPECTRUM_CONTROL command.
* Enable or not to output spectrum data of GNSS signal
*
* Input Parameters:
* filep - File structure pointer
* arg - Data for command
*
* Returned Value:
* Zero (OK) on success; a negated errno value on failure.
*
****************************************************************************/
static int cxd56_gnss_control_spectrum(FAR struct file *filep,
unsigned long arg)
{
FAR struct cxd56_gnss_spectrum_control_s *control;
if (!arg)
{
return -EINVAL;
}
control = (FAR struct cxd56_gnss_spectrum_control_s *)arg;
return GD_SpectrumControl(control->time, control->enable, control->point1,
control->step1, control->point2, control->step2);
}
/****************************************************************************
* Name: cxd56_gnss_start_test
*
* Description:
* Process CXD56_GNSS_IOCTL_FACTORY_START_TEST command.
* Start GPS factory test
*
* Input Parameters:
* filep - File structure pointer
* arg - Data for command
*
* Returned Value:
* Zero (OK) on success; a negated errno value on failure.
*
****************************************************************************/
static int cxd56_gnss_start_test(FAR struct file *filep, unsigned long arg)
{
int ret;
int retry = 50;
FAR struct cxd56_gnss_test_info_s *info;
/* check argument */
if (!arg)
{
ret = -EINVAL;
}
else
{
/* Power on the LNA device */
ret = board_lna_power_control(true);
if (ret < 0)
{
return ret;
}
while (!g_rtc_enabled && 0 < retry--)
{
/* GNSS requires stable RTC */
nxsig_usleep(100 * 1000);
}
/* set parameter */
info = (FAR struct cxd56_gnss_test_info_s *)arg;
GD_StartGpsTest(info->satellite, info->reserve1,
info->reserve2, info->reserve3);
/* start test */
ret = GD_Start(CXD56_GNSS_STMOD_COLD);
}
return ret;
}
/****************************************************************************
* Name: cxd56_gnss_stop_test
*
* Description:
* Process CXD56_GNSS_IOCTL_FACTORY_STOP_TEST command.
* Stop GPS factory test
*
* Input Parameters:
* filep - File structure pointer
* arg - Data for command
*
* Returned Value:
* Zero (OK) on success; a negated errno value on failure.
*
****************************************************************************/
static int cxd56_gnss_stop_test(FAR struct file *filep, unsigned long arg)
{
int ret;
/* term test */
ret = GD_StopGpsTest();
if (ret == OK)
{
/* stop test */
ret = GD_Stop();
}
/* Power off the LNA device */
board_lna_power_control(false);
return ret;
}
/****************************************************************************
* Name: cxd56_gnss_get_test_result
*
* Description:
* Process CXD56_GNSS_IOCTL_FACTORY_GET_TEST_RESULT command.
* Get GPS factory test result
*
* Input Parameters:
* filep - File structure pointer
* arg - Data for command
*
* Returned Value:
* Zero (OK) on success; a negated errno value on failure.
*
****************************************************************************/
static int cxd56_gnss_get_test_result(FAR struct file *filep,
unsigned long arg)
{
FAR struct cxd56_gnss_test_result_s *result;
if (!arg)
{
return -EINVAL;
}
result = (FAR struct cxd56_gnss_test_result_s *)arg;
return GD_GetGpsTestResult(&result->cn, &result->doppler);
}
/****************************************************************************
* Name: cxd56_gnss_set_signal
*
* Description:
* Process CXD56_GNSS_IOCTL_SIGNAL_SET command.
* Set signal information for synchronous reading data
*
* Input Parameters:
* filep - File structure pointer
* arg - Data for command
*
* Returned Value:
* Zero (OK) on success; a negated errno value on failure.
*
****************************************************************************/
static int cxd56_gnss_set_signal(FAR struct file *filep, unsigned long arg)
{
int ret = 0;
#if !defined(CONFIG_DISABLE_SIGNAL) && \
(CONFIG_CXD56_GNSS_NSIGNALRECEIVERS != 0)
FAR struct inode *inode;
FAR struct cxd56_gnss_dev_s *priv;
FAR struct cxd56_gnss_signal_setting_s *setting;
FAR struct cxd56_gnss_sig_s *sig;
FAR struct cxd56_gnss_sig_s *checksig;
int pid;
int i;
if (!arg)
{
return -EINVAL;
}
setting = (FAR struct cxd56_gnss_signal_setting_s *)arg;
if (setting->gnsssig >= CXD56_CPU1_DATA_TYPE_MAX)
{
return -EPROTOTYPE;
}
inode = filep->f_inode;
priv = (FAR struct cxd56_gnss_dev_s *)inode->i_private;
ret = nxsem_wait(&priv->devsem);
if (ret < 0)
{
return ret;
}
sig = NULL;
pid = getpid();
for (i = 0; i < CONFIG_CXD56_GNSS_NSIGNALRECEIVERS; i++)
{
checksig = &priv->sigs[i];
if (setting->enable)
{
if (sig == NULL && !checksig->enable)
{
sig = checksig;
}
else if (checksig->info.gnsssig == setting->gnsssig &&
checksig->pid == pid)
{
sig = checksig;
break;
}
}
else if (checksig->info.gnsssig == setting->gnsssig &&
checksig->pid == pid)
{
checksig->enable = 0;
goto _success;
}
}
if (sig == NULL)
{
ret = -ENOENT;
goto _err;
}
GD_SetNotifyMask(setting->gnsssig, FALSE);
sig->enable = 1;
sig->pid = pid;
sig->info.fd = setting->fd;
sig->info.gnsssig = setting->gnsssig;
sig->info.signo = setting->signo;
sig->info.data = setting->data;
_success:
_err:
nxsem_post(&priv->devsem);
#endif
/* if !defined(CONFIG_DISABLE_SIGNAL) &&
* (CONFIG_CXD56_GNSS_NSIGNALRECEIVERS != 0)
*/
return ret;
}
/****************************************************************************
* Name: cxd56_gnss_start_pvtlog
*
* Description:
* Process CXD56_GNSS_IOCTL_PVTLOG_START command.
* Start saving PVT logs.
*
* Input Parameters:
* filep - File structure pointer
* arg - Data for command
*
* Returned Value:
* Zero (OK) on success; a negated errno value on failure.
*
****************************************************************************/
static int cxd56_gnss_start_pvtlog(FAR struct file *filep, unsigned long arg)
{
FAR struct cxd56_pvtlog_setting_s *setting;
if (!arg)
{
return -EINVAL;
}
setting = (FAR struct cxd56_pvtlog_setting_s *)arg;
return GD_RegisterPvtlog(setting->cycle, setting->threshold);
}
/****************************************************************************
* Name: cxd56_gnss_stop_pvtlog
*
* Description:
* Process CXD56_GNSS_IOCTL_PVTLOG_STOP command.
* Stop saving PVT logs.
*
* Input Parameters:
* filep - File structure pointer
* arg - Data for command
*
* Returned Value:
* Zero (OK) on success; a negated errno value on failure.
*
****************************************************************************/
static int cxd56_gnss_stop_pvtlog(FAR struct file *filep, unsigned long arg)
{
return GD_ReleasePvtlog();
}
/****************************************************************************
* Name: cxd56_gnss_delete_pvtlog
*
* Description:
* Process CXD56_GNSS_IOCTL_PVTLOG_STOP command.
* Delete stored PVT logs.
*
* Input Parameters:
* filep - File structure pointer
* arg - Data for command
*
* Returned Value:
* Zero (OK) on success; a negated errno value on failure.
*
****************************************************************************/
static int cxd56_gnss_delete_pvtlog(FAR struct file *filep,
unsigned long arg)
{
return GD_PvtlogDeleteLog();
}
/****************************************************************************
* Name: cxd56_gnss_get_pvtlog_status
*
* Description:
* Process CXD56_GNSS_IOCTL_PVTLOG_GET_STATUS command.
* Get stored log status of PVTLOG.
*
* Input Parameters:
* filep - File structure pointer
* arg - Data for command
*
* Returned Value:
* Zero (OK) on success; a negated errno value on failure.
*
****************************************************************************/
static int cxd56_gnss_get_pvtlog_status(FAR struct file *filep,
unsigned long arg)
{
FAR struct cxd56_pvtlog_status_s *status;
if (!arg)
{
return -EINVAL;
}
status = (FAR struct cxd56_pvtlog_status_s *)arg;
return GD_PvtlogGetLogStatus(&status->status);
}
/****************************************************************************
* Name: cxd56_gnss_start_rtk_output
*
* Description:
* Process CXD56_GNSS_IOCTL_RTK_START command.
* Start RTK data output
*
* Input Parameters:
* filep - File structure pointer
* arg - Data for command
*
* Returned Value:
* Zero (OK) on success; a negated errno value on failure.
*
****************************************************************************/
static int cxd56_gnss_start_rtk_output(FAR struct file *filep,
unsigned long arg)
{
FAR struct cxd56_rtk_setting_s *setting;
if (!arg)
{
return -EINVAL;
}
setting = (FAR struct cxd56_rtk_setting_s *)arg;
setting->sbasout = 0;
return GD_RtkStart(setting);
}
/****************************************************************************
* Name: cxd56_gnss_stop_rtk_output
*
* Description:
* Process CXD56_GNSS_IOCTL_RTK_STOP command.
* Stop RTK data output
*
* Input Parameters:
* filep - File structure pointer
* arg - Data for command
*
* Returned Value:
* Zero (OK) on success; a negated errno value on failure.
*
****************************************************************************/
static int cxd56_gnss_stop_rtk_output(FAR struct file *filep,
unsigned long arg)
{
return GD_RtkStop();
}
/****************************************************************************
* Name: cxd56_gnss_set_rtk_interval
*
* Description:
* Process CXD56_GNSS_IOCTL_RTK_SET_INTERVAL command.
* Set RTK data output interval
*
* Input Parameters:
* filep - File structure pointer
* arg - Data for command
*
* Returned Value:
* Zero (OK) on success; a negated errno value on failure.
*
****************************************************************************/
static int cxd56_gnss_set_rtk_interval(FAR struct file *filep,
unsigned long arg)
{
int interval = (int)arg;
return GD_RtkSetOutputInterval(interval);
}
/****************************************************************************
* Name: cxd56_gnss_get_rtk_interval
*
* Description:
* Process CXD56_GNSS_IOCTL_RTK_GET_INTERVAL command.
* Get RTK data output interval setting
*
* Input Parameters:
* filep - File structure pointer
* arg - Data for command
*
* Returned Value:
* Zero (OK) on success; a negated errno value on failure.
*
****************************************************************************/
static int cxd56_gnss_get_rtk_interval(FAR struct file *filep,
unsigned long arg)
{
int ret;
int interval;
if (!arg)
{
return -EINVAL;
}
ret = GD_RtkGetOutputInterval(&interval);
*(uint32_t *)arg = interval;
return ret;
}
/****************************************************************************
* Name: cxd56_gnss_select_rtk_satellite
*
* Description:
* Process CXD56_GNSS_IOCTL_RTK_SELECT_SATELLITE_SYSTEM command.
* Select RTK satellite type
*
* Input Parameters:
* filep - File structure pointer
* arg - Data for command
*
* Returned Value:
* Zero (OK) on success; a negated errno value on failure.
*
****************************************************************************/
static int cxd56_gnss_select_rtk_satellite(FAR struct file *filep,
unsigned long arg)
{
uint32_t gnss = (uint32_t)arg;
return GD_RtkSetGnss(gnss);
}
/****************************************************************************
* Name: cxd56_gnss_get_rtk_ephemeris_enable
*
* Description:
* Process CXD56_GNSS_IOCTL_RTK_GET_SATELLITE_SYSTEM command.
* Get RTK satellite type setting
*
* Input Parameters:
* filep - File structure pointer
* arg - Data for command
*
* Returned Value:
* Zero (OK) on success; a negated errno value on failure.
*
****************************************************************************/
static int cxd56_gnss_get_rtk_satellite(FAR struct file *filep,
unsigned long arg)
{
int ret;
uint32_t gnss;
if (!arg)
{
return -EINVAL;
}
ret = GD_RtkGetGnss(&gnss);
*(uint32_t *)arg = gnss;
return ret;
}
/****************************************************************************
* Name: cxd56_gnss_get_rtk_ephemeris_enable
*
* Description:
* Process CXD56_GNSS_IOCTL_RTK_SET_EPHEMERIS_ENABLER command.
* Set RTK ephemeris notify enable setting
*
* Input Parameters:
* filep - File structure pointer
* arg - Data for command
*
* Returned Value:
* Zero (OK) on success; a negated errno value on failure.
*
****************************************************************************/
static int cxd56_gnss_set_rtk_ephemeris_enable(FAR struct file *filep,
unsigned long arg)
{
int enable = (int)arg;
return GD_RtkSetEphNotify(enable);
}
/****************************************************************************
* Name: cxd56_gnss_get_rtk_ephemeris_enable
*
* Description:
* Process CXD56_GNSS_IOCTL_RTK_GET_EPHEMERIS_ENABLER command.
* Get RTK ephemeris notify enable setting.
*
* Input Parameters:
* filep - File structure pointer
* arg - Data for command
*
* Returned Value:
* Zero (OK) on success; a negated errno value on failure.
*
****************************************************************************/
static int cxd56_gnss_get_rtk_ephemeris_enable(FAR struct file *filep,
unsigned long arg)
{
int ret;
int enable;
if (!arg)
{
return -EINVAL;
}
ret = GD_RtkGetEphNotify(&enable);
*(uint32_t *)arg = enable;
return ret;
}
/****************************************************************************
* Name: cxd56_gnss_start_navmsg_output
*
* Description:
* Process CXD56_GNSS_IOCTL_NAVMSG_START command.
* Start NAVMSG data output
*
* Input Parameters:
* filep - File structure pointer
* arg - Data for command
*
* Returned Value:
* Zero (OK) on success; a negated errno value on failure.
*
****************************************************************************/
static int cxd56_gnss_start_navmsg_output(FAR struct file *filep,
unsigned long arg)
{
FAR struct cxd56_rtk_setting_s *setting;
if (!arg)
{
return -EINVAL;
}
setting = (FAR struct cxd56_rtk_setting_s *)arg;
return GD_RtkStart(setting);
}
/****************************************************************************
* Name: cxd56_gnss_set_var_ephemeris
*
* Description:
* Process CXD56_GNSS_IOCTL_SET_VAR_EPHEMERIS command.
* Set the Ephemeris data
*
* Input Parameters:
* filep - File structure pointer
* arg - Data for command
*
* Returned Value:
* Zero (OK) on success; a negated errno value on failure.
*
****************************************************************************/
static int cxd56_gnss_set_var_ephemeris(FAR struct file *filep,
unsigned long arg)
{
FAR struct cxd56_gnss_set_var_ephemeris_s *param;
if (!arg)
{
return -EINVAL;
}
param = (FAR struct cxd56_gnss_set_var_ephemeris_s *)arg;
return GD_SetVarEphemeris(param->data, param->size);
}
/****************************************************************************
* Name: cxd56_gnss_get_var_ephemeris
*
* Description:
* Process CXD56_GNSS_IOCTL_GET_VAR_EPHEMERIS command.
* Get the Ephemeris data
*
* Input Parameters:
* filep - File structure pointer
* arg - Data for command
*
* Returned Value:
* Zero (OK) on success; a negated errno value on failure.
*
****************************************************************************/
static int cxd56_gnss_get_var_ephemeris(FAR struct file *filep,
unsigned long arg)
{
FAR struct cxd56_gnss_get_var_ephemeris_s *param;
if (!arg)
{
return -EINVAL;
}
param = (FAR struct cxd56_gnss_get_var_ephemeris_s *)arg;
return GD_GetVarEphemeris(param->type, param->data, param->size);
}
/* Synchronized with processes and CPUs
* CXD56_GNSS signal handler and utils
*/
/****************************************************************************
* Name: cxd56_gnss_wait_notify
*
* Description:
* Wait notify from GNSS CPU with timeout.
*
* Input Parameters:
* sem - Semaphore for waiting
* waitset - Wait time in seconds
*
* Returned Value:
* Zero (OK) on success; a negated errno value on failure.
*
****************************************************************************/
static int cxd56_gnss_wait_notify(FAR sem_t *sem, time_t waitsec)
{
int ret;
struct timespec timeout;
ret = clock_gettime(CLOCK_REALTIME, &timeout);
if (ret < 0)
{
return ret;
}
timeout.tv_sec += waitsec; /* <waitsec> seconds timeout for wait */
return nxsem_timedwait(sem, &timeout);
}
/****************************************************************************
* Name: cxd56_gnss_read_cep_file
*
* Description:
* Read a CEP data packet from file and notify to GNSS CPU.
*
* Input Parameters:
* fp - File pointer
* offset - File offset of last read
* len - packet size to read
* retval - Status to read file
*
* Returned Value:
* Buffer address allocated in this function for reading data.
*
****************************************************************************/
static FAR char *cxd56_gnss_read_cep_file(FAR FILE *fp, int32_t offset,
size_t len, FAR int *retval)
{
FAR char *buf;
size_t n = 0;
int ret;
if (fp == NULL)
{
ret = -ENOENT;
goto _err0;
}
buf = (char *)malloc(len);
if (buf == NULL)
{
ret = -ENOMEM;
goto _err0;
}
ret = fseek(fp, offset, SEEK_SET);
if (ret < 0)
{
goto _err1;
}
n = fread(buf, 1, len, fp);
if (n <= 0)
{
ret = n < 0 ? n : ferror(fp) ? -errno : 0;
clearerr(fp);
goto _err1;
}
*retval = n;
cxd56_cpu1sigsend(CXD56_CPU1_DATA_TYPE_CEP, (uint32_t)buf);
return buf;
/* Send signal to CPU1 in error for just notify completion of read
* sequence.
*/
_err1:
free(buf);
_err0:
*retval = ret;
cxd56_cpu1sigsend(CXD56_CPU1_DATA_TYPE_CEP, 0);
return NULL;
}
/****************************************************************************
* Name: cxd56_gnss_read_backup_file
*
* Description:
* Read a backup data packet from file and notify to GNSS CPU.
*
* Input Parameters:
* retval - Status to read file
*
* Returned Value:
* None
*
****************************************************************************/
static void cxd56_gnss_read_backup_file(FAR int *retval)
{
FAR char * buf;
FAR FILE * fp;
int32_t offset = 0;
size_t n;
int ret = 0;
buf = (char *)malloc(CONFIG_CXD56_GNSS_BACKUP_BUFFER_SIZE);
if (buf == NULL)
{
ret = -ENOMEM;
goto _err;
}
fp = fopen(CONFIG_CXD56_GNSS_BACKUP_FILENAME, "rb");
if (fp == NULL)
{
free(buf);
ret = -ENOENT;
goto _err;
}
do
{
n = fread(buf, 1, CONFIG_CXD56_GNSS_BACKUP_BUFFER_SIZE, fp);
if (n <= 0)
{
ret = n < 0 ? n : ferror(fp) ? -ENFILE : 0;
break;
}
ret = GD_WriteBuffer(CXD56_CPU1_DATA_TYPE_BACKUP, offset, buf, n);
if (ret < 0)
{
break;
}
offset += n;
}
while (n > 0);
fclose(fp);
free(buf);
/* Notify the termination of backup sequence by write zero length data */
_err:
*retval = ret;
cxd56_cpu1sigsend(CXD56_CPU1_DATA_TYPE_BKUPFILE, 0);
}
#if !defined(CONFIG_DISABLE_SIGNAL) && \
(CONFIG_CXD56_GNSS_NSIGNALRECEIVERS != 0)
/****************************************************************************
* Name: cxd56_gnss_common_signalhandler
*
* Description:
* Common signal handler from GNSS CPU.
*
* Input Parameters:
* data - Received data from GNSS CPU
* userdata - User data, this is the device information specified by the
* second argument of the function cxd56_cpu1siginit.
*
* Returned Value:
* None
*
****************************************************************************/
static void cxd56_gnss_common_signalhandler(uint32_t data,
FAR void *userdata)
{
FAR struct cxd56_gnss_dev_s *priv =
(FAR struct cxd56_gnss_dev_s *)userdata;
uint8_t sigtype = CXD56_CPU1_GET_DEV(data);
int issetmask = 0;
int i;
int ret;
ret = nxsem_wait(&priv->devsem);
if (ret < 0)
{
return;
}
for (i = 0; i < CONFIG_CXD56_GNSS_NSIGNALRECEIVERS; i++)
{
struct cxd56_gnss_sig_s *sig = &priv->sigs[i];
if (sig->enable && sig->info.gnsssig == sigtype)
{
union sigval value;
value.sival_ptr = &sig->info;
sigqueue(sig->pid, sig->info.signo, value);
issetmask = 1;
}
}
if (issetmask)
{
GD_SetNotifyMask(sigtype, FALSE);
}
nxsem_post(&priv->devsem);
}
#endif
/* if !defined(CONFIG_DISABLE_SIGNAL) &&
* (CONFIG_CXD56_GNSS_NSIGNALRECEIVERS != 0)
*/
/****************************************************************************
* Name: cxd56_gnss_default_sighandler
*
* Description:
* Handler for GNSS type notification from GNSS CPU for signal and poll.
*
* Input Parameters:
* data - Received data from GNSS CPU
* userdata - User data, this is the device information specified by the
* second argument of the function cxd56_cpu1siginit.
*
* Returned Value:
* None
*
****************************************************************************/
static void cxd56_gnss_default_sighandler(uint32_t data, FAR void *userdata)
{
FAR struct cxd56_gnss_dev_s *priv =
(FAR struct cxd56_gnss_dev_s *)userdata;
int i;
int ret;
int dtype = CXD56_CPU1_GET_DATA(data);
switch (dtype)
{
case CXD56_GNSS_NOTIFY_TYPE_REQCEPDAT:
{
priv->cepbuf = cxd56_gnss_read_cep_file(
priv->cepfp, priv->shared_info.argv[GNSS_ARGS_FILE_OFFSET],
priv->shared_info.argv[GNSS_ARGS_FILE_LENGTH],
&priv->shared_info.retval);
return;
}
case CXD56_GNSS_NOTIFY_TYPE_REQCEPBUFFREE:
if (priv->cepbuf)
{
free(priv->cepbuf);
}
return;
case CXD56_GNSS_NOTIFY_TYPE_BOOTCOMP:
if (priv->num_open == 0)
{
/* Post to wait-semaphore in cxd56_gnss_open to notify completion
* of GNSS core initialization in first device open.
*/
priv->notify_data = dtype;
nxsem_post(&priv->syncsem);
}
return;
case CXD56_GNSS_NOTIFY_TYPE_REQBKUPDAT:
cxd56_gnss_read_backup_file(&priv->shared_info.retval);
return;
case CXD56_GNSS_NOTIFY_TYPE_REQCEPOPEN:
if (priv->cepfp != NULL)
{
fclose(priv->cepfp);
}
priv->cepfp = fopen(CONFIG_CXD56_GNSS_CEP_FILENAME, "rb");
return;
case CXD56_GNSS_NOTIFY_TYPE_REQCEPCLOSE:
if (priv->cepfp != NULL)
{
fclose(priv->cepfp);
priv->cepfp = NULL;
}
return;
default:
break;
}
ret = nxsem_wait(&priv->devsem);
if (ret < 0)
{
return;
}
for (i = 0; i < CONFIG_CXD56_GNSS_NPOLLWAITERS; i++)
{
struct pollfd *fds = priv->fds[i];
if (fds)
{
fds->revents |= POLLIN;
gnssinfo("Report events: %02x\n", fds->revents);
nxsem_post(fds->sem);
}
}
nxsem_post(&priv->devsem);
#if !defined(CONFIG_DISABLE_SIGNAL) && \
(CONFIG_CXD56_GNSS_NSIGNALRECEIVERS != 0)
cxd56_gnss_common_signalhandler(data, userdata);
#endif
}
/****************************************************************************
* Name: cxd56_gnss_cpufifoapi_signalhandler
*
* Description:
* Handler for API type notification from GNSS CPU.
*
* Input Parameters:
* data - Received data from GNSS CPU
* userdata - User data, this is the device information specified by the
* second argument of the function cxd56_cpu1siginit.
*
* Returned Value:
* None
*
****************************************************************************/
static void cxd56_gnss_cpufifoapi_signalhandler(uint32_t data,
FAR void *userdata)
{
FAR struct cxd56_gnss_dev_s *priv =
(FAR struct cxd56_gnss_dev_s *)userdata;
priv->apiret = CXD56_CPU1_GET_DATA((int)data);
nxsem_post(&priv->apiwait);
return;
}
/****************************************************************************
* Name: cxd56_gnss_cpufifo_api
*
* Description:
* Send API type event to GNSS CPU.
*
* Input Parameters:
* filep - File structure pointer
* api - Signal type
* data - Any data
*
* Returned Value:
* Zero (OK) on success; a negated errno value on failure.
*
****************************************************************************/
static int cxd56_gnss_cpufifo_api(FAR struct file *filep, unsigned int api,
unsigned int data)
{
FAR struct inode *inode;
FAR struct cxd56_gnss_dev_s *priv;
unsigned int type;
int ret = OK;
inode = filep->f_inode;
priv = (FAR struct cxd56_gnss_dev_s *)inode->i_private;
type = CXD56_GNSS_CPUFIFOAPI_SET_DATA(api, data);
cxd56_cpu1sigsend(CXD56_CPU1_DATA_TYPE_CPUFIFOAPI, type);
ret = nxsem_wait(&priv->apiwait);
if (ret < 0)
{
/* If nxsem_wait returns -EINTR, there is a possibility that the signal
* for GNSS set with CXD56_GNSS_IOCTL_SIGNAL_SET is unmasked
* by SIG_UNMASK in the signal mask.
*/
_warn("Cannot wait GNSS semaphore %d\n", ret);
goto _err;
}
ret = priv->apiret;
_err:
return ret;
}
/****************************************************************************
* Name: cxd56_gnss_select_notifytype
*
* Description:
* Decide notify type about data from GNSS device
*
* Input Parameters:
* fpos - file offset indicated about data type
* offset - Actual offset value
*
* Returned Value:
* Zero (OK) on success; a negated errno value on failure.
*
****************************************************************************/
static int8_t cxd56_gnss_select_notifytype(off_t fpos, FAR uint32_t *offset)
{
int8_t type;
if ((fpos >= CXD56_GNSS_READ_OFFSET_LAST_GNSS) &&
(fpos < CXD56_GNSS_READ_OFFSET_AGPS))
{
type = CXD56_CPU1_DATA_TYPE_GNSS;
*offset = fpos;
}
else if (fpos == CXD56_GNSS_READ_OFFSET_AGPS)
{
type = CXD56_CPU1_DATA_TYPE_AGPS;
*offset = 0;
}
else if (fpos == CXD56_GNSS_READ_OFFSET_RTK)
{
type = CXD56_CPU1_DATA_TYPE_RTK;
*offset = 0;
}
else if (fpos == CXD56_GNSS_READ_OFFSET_GPSEPHEMERIS)
{
type = CXD56_CPU1_DATA_TYPE_GPSEPHEMERIS;
*offset = 0;
}
else if (fpos == CXD56_GNSS_READ_OFFSET_GLNEPHEMERIS)
{
type = CXD56_CPU1_DATA_TYPE_GLNEPHEMERIS;
*offset = 0;
}
else if ((fpos == CXD56_GNSS_READ_OFFSET_SPECTRUM) ||
(fpos == CXD56_GNSS_READ_OFFSET_INFO))
{
type = CXD56_CPU1_DATA_TYPE_SPECTRUM;
*offset = 0;
}
else if (fpos == CXD56_GNSS_READ_OFFSET_PVTLOG)
{
type = CXD56_CPU1_DATA_TYPE_PVTLOG;
*offset = 0;
}
else if (fpos == CXD56_GNSS_READ_OFFSET_SBAS)
{
type = CXD56_CPU1_DATA_TYPE_SBAS;
*offset = 0;
}
else if (fpos == CXD56_GNSS_READ_OFFSET_DCREPORT)
{
type = CXD56_CPU1_DATA_TYPE_DCREPORT;
*offset = 0;
}
else
{
type = -1;
}
return type;
}
/****************************************************************************
* Name: cxd56_gnss_initialize
*
* Description:
* initialize gnss device
*
* Input Parameters:
*
* Returned Value:
* Zero (OK) on success; a negated errno value on failure.
*
****************************************************************************/
static int cxd56_gnss_initialize(FAR struct cxd56_gnss_dev_s *dev)
{
int32_t ret = 0;
return ret;
}
/****************************************************************************
* Name: cxd56_gnss_open
*
* Description:
* Standard character driver open method.
*
* Input Parameters:
* filep - File structure pointer
*
* Returned Value:
* Zero (OK) on success; a negated errno value on failure.
*
****************************************************************************/
static int cxd56_gnss_open(FAR struct file *filep)
{
FAR struct inode * inode;
FAR struct cxd56_gnss_dev_s *priv;
int ret = OK;
inode = filep->f_inode;
priv = (FAR struct cxd56_gnss_dev_s *)inode->i_private;
ret = nxsem_wait(&priv->devsem);
if (ret < 0)
{
return ret;
}
if (priv->num_open == 0)
{
ret = nxsem_init(&priv->syncsem, 0, 0);
if (ret < 0)
{
goto _err0;
}
ret = PM_LoadImage(CXD56_GNSS_GPS_CPUID, CXD56_GNSS_FWNAME);
if (ret < 0)
{
goto _err1;
}
ret = PM_StartCpu(CXD56_GNSS_GPS_CPUID, 1);
if (ret < 0)
{
goto _err2;
}
#ifndef CONFIG_CXD56_GNSS_HOT_SLEEP
PM_SleepCpu(CXD56_GNSS_GPS_CPUID, PM_SLEEP_MODE_HOT_DISABLE);
#endif
/* Wait the request from GNSS core to restore backup data,
* or for completion of initialization of GNSS core here.
* It is post the semaphore syncsem from cxd56_gnss_default_sighandler.
*/
ret = cxd56_gnss_wait_notify(&priv->syncsem, 5);
if (ret < 0)
{
goto _err2;
}
ret = GD_WriteBuffer(CXD56_CPU1_DATA_TYPE_INFO, 0, &priv->shared_info,
sizeof(priv->shared_info));
if (ret < 0)
{
goto _err2;
}
nxsem_destroy(&priv->syncsem);
}
priv->num_open++;
goto _success;
_err2:
#ifndef CONFIG_CXD56_GNSS_HOT_SLEEP
PM_SleepCpu(CXD56_GNSS_GPS_CPUID, PM_SLEEP_MODE_HOT_ENABLE);
#endif
PM_SleepCpu(CXD56_GNSS_GPS_CPUID, PM_SLEEP_MODE_COLD);
_err1:
nxsem_destroy(&priv->syncsem);
_err0:
_success:
nxsem_post(&priv->devsem);
return ret;
}
/****************************************************************************
* Name: cxd56_gnss_close
*
* Description:
* Standard character driver close method.
*
* Input Parameters:
* filep - File structure pointer
*
* Returned Value:
* Zero (OK) on success; a negated errno value on failure.
*
****************************************************************************/
static int cxd56_gnss_close(FAR struct file *filep)
{
FAR struct inode * inode;
FAR struct cxd56_gnss_dev_s *priv;
int ret = OK;
inode = filep->f_inode;
priv = (FAR struct cxd56_gnss_dev_s *)inode->i_private;
ret = nxsem_wait(&priv->devsem);
if (ret < 0)
{
return ret;
}
priv->num_open--;
if (priv->num_open == 0)
{
#ifndef CONFIG_CXD56_GNSS_HOT_SLEEP
PM_SleepCpu(CXD56_GNSS_GPS_CPUID, PM_SLEEP_MODE_HOT_ENABLE);
#endif
ret = PM_SleepCpu(CXD56_GNSS_GPS_CPUID, PM_SLEEP_MODE_COLD);
if (ret < 0)
{
goto errout;
}
}
errout:
nxsem_post(&priv->devsem);
return ret;
}
/****************************************************************************
* Name: cxd56_gnss_read
*
* Description:
* Standard character driver read method.
*
* Input Parameters:
* filep - File structure pointer
* buffer - Buffer to read from GNSS device
* buflen - The read length of the buffer
*
* Returned Value:
* Zero (OK) on success; a negated errno value on failure.
*
****************************************************************************/
static ssize_t cxd56_gnss_read(FAR struct file *filep, FAR char *buffer,
size_t len)
{
int32_t ret = 0;
uint32_t offset = 0;
int8_t type;
if (!buffer)
{
ret = -EINVAL;
goto _err;
}
if (len == 0)
{
goto _success;
}
/* setect data type */
type = cxd56_gnss_select_notifytype(filep->f_pos, &offset);
if (type < 0)
{
ret = -ESPIPE;
goto _err;
}
if (type == CXD56_CPU1_DATA_TYPE_GNSS)
{
/* Trim len if read would go beyond end of device */
if ((offset + len) > sizeof(struct cxd56_gnss_positiondata_s))
{
len = sizeof(struct cxd56_gnss_positiondata_s) - offset;
}
}
else if (type == CXD56_CPU1_DATA_TYPE_AGPS)
{
if ((offset + len) > sizeof(struct cxd56_supl_mesurementdata_s))
{
len = sizeof(struct cxd56_supl_mesurementdata_s) - offset;
}
}
/* GD_ReadBuffer returns copied data size or negative error code */
ret = GD_ReadBuffer(type, offset, buffer, len);
_err:
_success:
filep->f_pos = 0;
return ret;
}
/****************************************************************************
* Name: cxd56_gnss_write
*
* Description:
* Standard character driver write method.
*
* Input Parameters:
* filep - File structure pointer
* buffer - Buffer to write
* buflen - The write length of the buffer
*
* Returned Value:
* Always returns -ENOENT error.
*
****************************************************************************/
static ssize_t cxd56_gnss_write(FAR struct file *filep,
FAR const char *buffer, size_t buflen)
{
return -ENOENT;
}
/****************************************************************************
* Name: cxd56_gnss_ioctl
*
* Description:
* Standard character driver ioctl method.
*
* Input Parameters:
* filep - File structure pointer
* fds - Array of file descriptor
* setup - 1 if start poll, 0 if stop poll
*
* Returned Value:
* Zero (OK) on success; a negated errno value on failure.
*
****************************************************************************/
static int cxd56_gnss_ioctl(FAR struct file *filep, int cmd,
unsigned long arg)
{
FAR struct inode * inode;
FAR struct cxd56_gnss_dev_s *priv;
int ret;
inode = filep->f_inode;
priv = (FAR struct cxd56_gnss_dev_s *)inode->i_private;
if (cmd <= CXD56_GNSS_IOCTL_INVAL || cmd >= CXD56_GNSS_IOCTL_MAX)
{
return -EINVAL;
}
ret = nxsem_wait(&priv->ioctllock);
if (ret < 0)
{
return ret;
}
ret = g_cmdlist[cmd](filep, arg);
nxsem_post(&priv->ioctllock);
return ret;
}
/****************************************************************************
* Name: cxd56_gnss_poll
*
* Description:
* Standard character driver poll method.
*
* Input Parameters:
* filep - File structure pointer
* fds - array of file descriptor
* setup - 1 if start poll, 0 if stop poll
*
* Returned Value:
* Zero (OK) on success; a negated errno value on failure.
*
****************************************************************************/
#ifndef CONFIG_DISABLE_POLL
static int cxd56_gnss_poll(FAR struct file *filep, FAR struct pollfd *fds,
bool setup)
{
FAR struct inode *inode;
FAR struct cxd56_gnss_dev_s *priv;
int ret = OK;
int i;
inode = filep->f_inode;
priv = (FAR struct cxd56_gnss_dev_s *)inode->i_private;
ret = nxsem_wait(&priv->devsem);
if (ret < 0)
{
return ret;
}
if (setup)
{
if ((fds->events & POLLIN) == 0)
{
ret = -EDEADLK;
goto errout;
}
for (i = 0; i < CONFIG_CXD56_GNSS_NPOLLWAITERS; i++)
{
/* Find an unused slot */
if (priv->fds[i] == NULL)
{
/* Bind the poll structure and this slot */
priv->fds[i] = fds;
fds->priv = &priv->fds[i];
GD_SetNotifyMask(CXD56_CPU1_DEV_GNSS, FALSE);
break;
}
}
/* No space in priv fds array for poll handling */
if (i >= CONFIG_CXD56_GNSS_NPOLLWAITERS)
{
fds->priv = NULL;
ret = -EBUSY;
goto errout;
}
}
else if (fds->priv)
{
/* This is a request to tear down the poll. */
struct pollfd **slot = (struct pollfd **)fds->priv;
/* Remove all memory of the poll setup */
*slot = NULL;
fds->priv = NULL;
}
errout:
nxsem_post(&priv->devsem);
return ret;
}
#endif
/****************************************************************************
* Name: cxd56_gnss_register
*
* Description:
* Register the GNSS character device as 'devpath'
*
* Input Parameters:
* devpath - The full path to the driver to register. E.g., "/dev/gps"
*
* Returned Value:
* Zero (OK) on success; a negated errno value on failure.
*
****************************************************************************/
static int cxd56_gnss_register(FAR const char *devpath)
{
FAR struct cxd56_gnss_dev_s *priv;
int i;
int ret;
static struct cxd56_devsig_table_s devsig_table[] =
{
{
CXD56_CPU1_DATA_TYPE_GNSS,
cxd56_gnss_default_sighandler
},
{
CXD56_CPU1_DATA_TYPE_AGPS,
cxd56_gnss_common_signalhandler
},
{
CXD56_CPU1_DATA_TYPE_RTK,
cxd56_gnss_common_signalhandler
},
{
CXD56_CPU1_DATA_TYPE_GPSEPHEMERIS,
cxd56_gnss_common_signalhandler
},
{
CXD56_CPU1_DATA_TYPE_GLNEPHEMERIS,
cxd56_gnss_common_signalhandler
},
{
CXD56_CPU1_DATA_TYPE_SPECTRUM,
cxd56_gnss_common_signalhandler
},
{
CXD56_CPU1_DATA_TYPE_PVTLOG,
cxd56_gnss_common_signalhandler
},
{
CXD56_CPU1_DATA_TYPE_CPUFIFOAPI,
cxd56_gnss_cpufifoapi_signalhandler
},
{
CXD56_CPU1_DATA_TYPE_SBAS,
cxd56_gnss_common_signalhandler
},
{
CXD56_CPU1_DATA_TYPE_DCREPORT,
cxd56_gnss_common_signalhandler
}
};
priv = (FAR struct cxd56_gnss_dev_s *)kmm_malloc(
sizeof(struct cxd56_gnss_dev_s));
if (!priv)
{
gnsserr("Failed to allocate instance\n");
return -ENOMEM;
}
memset(priv, 0, sizeof(struct cxd56_gnss_dev_s));
ret = nxsem_init(&priv->devsem, 0, 1);
if (ret < 0)
{
gnsserr("Failed to initialize gnss devsem!\n");
goto _err0;
}
ret = nxsem_init(&priv->apiwait, 0, 0);
if (ret < 0)
{
gnsserr("Failed to initialize gnss apiwait!\n");
goto _err0;
}
ret = nxsem_init(&priv->ioctllock, 0, 1);
if (ret < 0)
{
gnsserr("Failed to initialize gnss ioctllock!\n");
goto _err0;
}
ret = cxd56_gnss_initialize(priv);
if (ret < 0)
{
gnsserr("Failed to initialize gnss device!\n");
goto _err0;
}
ret = register_driver(devpath, &g_gnssfops, 0666, priv);
if (ret < 0)
{
gnsserr("Failed to register driver: %d\n", ret);
goto _err0;
}
for (i = 0; i < sizeof(devsig_table) / sizeof(devsig_table[0]); i++)
{
ret = cxd56_cpu1siginit(devsig_table[i].sigtype, priv);
if (ret < 0)
{
gnsserr("Failed to initialize ICC for GPS CPU: %d,%d\n", ret,
devsig_table[i].sigtype);
goto _err2;
}
cxd56_cpu1sigregisterhandler(devsig_table[i].sigtype,
devsig_table[i].handler);
}
gnssinfo("GNSS driver loaded successfully!\n");
return ret;
_err2:
unregister_driver(devpath);
_err0:
kmm_free(priv);
return ret;
}
/****************************************************************************
* Name: cxd56_gnssinitialize
*
* Description:
* Initialize GNSS device
*
* Input Parameters:
* devpath - The full path to the driver to register. E.g., "/dev/gps"
*
* Returned Value:
* Zero (OK) on success; a negated errno value on failure.
*
****************************************************************************/
int cxd56_gnssinitialize(FAR const char *devpath)
{
int ret;
gnssinfo("Initializing GNSS..\n");
ret = cxd56_gnss_register(devpath);
if (ret < 0)
{
gnsserr("Error registering GNSS\n");
}
return ret;
}
#endif