boards: cxd56xx: Add cxd5610 gnss lowerhalf driver
Add cxd5610 gnss lowerhalf driver with i2c interface.
This commit is contained in:
SPRESENSE
Alin Jerpelea
parent
f49fa466b6
commit
0ee2bb51b8
@ -179,5 +179,9 @@ if(CONFIG_ARCH_BOARD_COMMON)
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list(APPEND SRCS src/cxd56_usbdevserialstr.c)
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endif()
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if(CONFIG_CXD56_GNSS_ADDON)
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list(APPEND SRCS src/cxd56_gnss_addon.c)
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endif()
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target_sources(board PRIVATE ${SRCS})
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endif()
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@ -184,6 +184,10 @@ ifeq ($(CONFIG_PM),y)
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CSRCS += cxd56_pm.c
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endif
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ifeq ($(CONFIG_CXD56_GNSS_ADDON),y)
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CSRCS += cxd56_gnss_addon.c
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endif
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DEPPATH += --dep-path src
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VPATH += :src
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CFLAGS += ${INCDIR_PREFIX}$(TOPDIR)$(DELIM)arch$(DELIM)$(CONFIG_ARCH)$(DELIM)src$(DELIM)board$(DELIM)src
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163
boards/arm/cxd56xx/common/src/cxd56_gnss_addon.c
Normal file
163
boards/arm/cxd56xx/common/src/cxd56_gnss_addon.c
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@ -0,0 +1,163 @@
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/****************************************************************************
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* boards/arm/cxd56xx/common/src/cxd56_gnss_addon.c
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <stdio.h>
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#include <stdint.h>
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#include <errno.h>
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#include <debug.h>
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#include <nuttx/sensors/cxd5610_gnss.h>
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#include <nuttx/i2c/i2c_master.h>
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#include <arch/chip/pin.h>
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#include <arch/board/board.h>
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#include "cxd56_i2c.h"
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/* I2C interface */
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#define CXD5610_I2C_ADDR 0x24
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#define CXD5610_I2C_FREQ 400000
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#define CXD5610_INT_PIN PIN_SEN_IRQ_IN
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/****************************************************************************
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* Private Function Prototypes
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****************************************************************************/
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static int cxd5610_gnss_i2csend(struct cxd5610_gnss_lowerhalf_s *lower,
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uint8_t *buffer, int buflen);
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static int cxd5610_gnss_i2crecv(struct cxd5610_gnss_lowerhalf_s *lower,
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uint8_t *buffer, int buflen);
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static int cxd5610_gnss_enableint(struct cxd5610_gnss_lowerhalf_s *lower,
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void (*handler)(void));
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static int cxd5610_gnss_disableint(struct cxd5610_gnss_lowerhalf_s *lower);
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/****************************************************************************
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* Private Data
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****************************************************************************/
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static const struct cxd5610_gnss_lowerops_s g_gnss_addon_ops =
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{
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cxd5610_gnss_i2csend,
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cxd5610_gnss_i2crecv,
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cxd5610_gnss_enableint,
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cxd5610_gnss_disableint
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};
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static struct cxd5610_gnss_lowerhalf_s g_gnss_addon_lowerhalf =
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{
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&g_gnss_addon_ops
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};
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static struct i2c_master_s *g_i2c;
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/****************************************************************************
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* Private Functions
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****************************************************************************/
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static int cxd5610_gnss_i2csend(struct cxd5610_gnss_lowerhalf_s *lower,
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uint8_t *buffer, int buflen)
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{
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struct i2c_msg_s msg;
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int ret;
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msg.frequency = CXD5610_I2C_FREQ;
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msg.addr = CXD5610_I2C_ADDR;
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msg.flags = 0;
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msg.buffer = buffer;
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msg.length = buflen;
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ret = I2C_TRANSFER(g_i2c, &msg, 1);
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return ret;
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}
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static int cxd5610_gnss_i2crecv(struct cxd5610_gnss_lowerhalf_s *lower,
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uint8_t *buffer, int buflen)
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{
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struct i2c_msg_s msg;
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int ret;
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msg.frequency = CXD5610_I2C_FREQ;
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msg.addr = CXD5610_I2C_ADDR;
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msg.flags = I2C_M_READ;
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msg.buffer = buffer;
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msg.length = buflen;
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ret = I2C_TRANSFER(g_i2c, &msg, 1);
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return ret;
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}
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static int cxd5610_gnss_enableint(struct cxd5610_gnss_lowerhalf_s *lower,
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void (*handler)(void))
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{
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/* Enable interrupt from CXD5610 device */
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board_gpio_config(CXD5610_INT_PIN, 0, true, false, PIN_PULLDOWN);
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board_gpio_intconfig(CXD5610_INT_PIN, INT_RISING_EDGE, false,
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(xcpt_t)handler);
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board_gpio_int(CXD5610_INT_PIN, true);
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return OK;
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}
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static int cxd5610_gnss_disableint(struct cxd5610_gnss_lowerhalf_s *lower)
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{
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/* Disable interrupt */
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board_gpio_int(CXD5610_INT_PIN, false);
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return OK;
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}
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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int board_gnss_addon_initialize(const char *devpath, int bus)
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{
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int ret;
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sninfo("Initializing CXD5610 GNSS...\n");
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/* Initialize i2c device */
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g_i2c = cxd56_i2cbus_initialize(bus);
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if (!g_i2c)
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{
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snerr("ERROR: Failed to initialize i2c%d.\n", bus);
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return -ENODEV;
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}
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ret = cxd5610_gnss_register(devpath, &g_gnss_addon_lowerhalf);
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if (ret < 0)
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{
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snerr("ERROR: registering CXD5610 GNSS.\n");
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}
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return ret;
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}
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@ -838,4 +838,22 @@ config CXD56_EMMC_POWER_PIN_UART2_CTS
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endchoice
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config CXD56_GNSS_ADDON
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bool "CXD5610 GNSS Add-on board"
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default n
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depends on SENSORS_CXD5610_GNSS && CXD56_I2C0 && !CXD56_I2C0_SCUSEQ
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---help---
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The CXD5610 GNSS Add-on driver can be registered.
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if CXD56_GNSS_ADDON
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config CXD56_GNSS_ADDON_LATE_INITIALIZE
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bool "CXD5610 GNSS driver late initialization"
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default n
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---help---
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The CXD5610 gnss driver can be initialized on an application code
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after system booted up by enabling this configuration switch.
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endif # CXD56_GNSS_ADDON
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endif
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71
boards/arm/cxd56xx/spresense/include/cxd56_gnss_addon.h
Normal file
71
boards/arm/cxd56xx/spresense/include/cxd56_gnss_addon.h
Normal file
@ -0,0 +1,71 @@
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/****************************************************************************
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* boards/arm/cxd56xx/spresense/include/cxd56_gnss_addon.h
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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#ifndef __BOARDS_ARM_CXD56XX_SPRESENSE_INCLUDE_CXD56_GNSS_ADDON_H
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#define __BOARDS_ARM_CXD56XX_SPRESENSE_INCLUDE_CXD56_GNSS_ADDON_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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/****************************************************************************
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* Public Types
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****************************************************************************/
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#ifndef __ASSEMBLY__
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/****************************************************************************
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* Public Data
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****************************************************************************/
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#undef EXTERN
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#if defined(__cplusplus)
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#define EXTERN extern "C"
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extern "C"
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{
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#else
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#define EXTERN extern
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#endif
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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/****************************************************************************
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* Name: board_gnss_addon_initialize
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*
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* Description:
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* Initialize CXD5610 GNSS i2c driver and register the CXD5610 GNSS device.
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*
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****************************************************************************/
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#if defined(CONFIG_I2C) && defined(CONFIG_SENSORS_CXD5610_GNSS)
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int board_gnss_addon_initialize(const char *devpath, int bus);
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#endif
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#undef EXTERN
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#if defined(__cplusplus)
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}
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#endif
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#endif /* __ASSEMBLY__ */
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#endif /* __BOARDS_ARM_CXD56XX_SPRESENSE_INCLUDE_CXD56_GNSS_ADDON_H */
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