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Port ADC, DAC, and PWM logic from the configs/zkit-arm-1769. From Max.

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This commit is contained in:
Gregory Nutt 2014-07-24 15:44:08 -06:00
parent 33c49e70c6
commit 97f47a0f4a
5 changed files with 502 additions and 11 deletions
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131
configs/mbed/include/board.h
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@ -1,8 +1,7 @@
/************************************************************************************
* configs/mbed/include/board.h
* include/arch/board/board.h
*
* Copyright (C) 2010 Gregory Nutt. All rights reserved.
* Copyright (C) 2010, 2014 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Redistribution and use in source and binary forms, with or without
@ -34,8 +33,8 @@
*
************************************************************************************/
#ifndef __ARCH_BOARD_BOARD_H
#define __ARCH_BOARD_BOARD_H
#ifndef __CONFIGS_MBED_INCLUDE_BOARD_H
#define __CONFIGS_MBED_INCLUDE_BOARD_H
/************************************************************************************
* Included Files
@ -60,7 +59,7 @@
/* This is the clock setup we configure for:
*
* SYSCLK = BOARD_OSCCLK_FREQUENCY = 12MHz -> Select Main oscillator for source
* PLL0CLK = (2 * 20 * SYSCLK) / 1 = 480MHz -> PLL0 multipler=20, pre-divider=1
* PLL0CLK = (2 * 20 * SYSCLK) / 1 = 480MHz -> PLL0 multiplier=20, pre-divider=1
* CCLCK = 480MHz / 6 = 80MHz -> CCLK divider = 6
*/
@ -123,6 +122,11 @@
#define CONFIG_LPC17_FLASH 1
#define BOARD_FLASHCFG_VALUE 0x0000303a
/* Ethernet configuration */
//#define ETH_MCFG_CLKSEL_DIV ETH_MCFG_CLKSEL_DIV44
#define ETH_MCFG_CLKSEL_DIV ETH_MCFG_CLKSEL_DIV20
/* LED definitions ******************************************************************/
/* The MBED has 4 LEDs along the bottom of the board. Blue or off.
* If CONFIG_ARCH_LEDS is defined, the LEDs will be controlled as follows for NuttX
@ -163,6 +167,112 @@
# endif
#endif
/* Alternate pin selections *********************************************************/
/* Pin Description Connector On Board Base Board
* -------------------------------- --------- -------------- ---------------------
* P0[0]/RD1/TXD3/SDA1 J6-9 I2C E2PROM SDA TXD3/SDA1
* P0[1]/TD1/RXD3/SCL J6-10 RXD3/SCL1
* P0[2]/TXD0/AD0[7] J6-21
* P0[3]/RXD0/AD0[6] J6-22
* P0[4]/I2SRX-CLK/RD2/CAP2.0 J6-38 CAN_RX2
* P0[5]/I2SRX-WS/TD2/CAP2.1 J6-39 CAN_TX2
* P0[6]/I2SRX_SDA/SSEL1/MAT2[0] J6-8 SSEL1, OLED CS
* P0[7]/I2STX_CLK/SCK1/MAT2[1] J6-7 SCK1, OLED SCK
* P0[8]/I2STX_WS/MISO1/MAT2[2] J6-6 MISO1
* P0[9]/I2STX_SDA/MOSI1/MAT2[3] J6-5 MOSI1, OLED data in
* P0[10] J6-40 TXD2/SDA2
* P0[11] J6-41 RXD2/SCL2
* P0[15]/TXD1/SCK0/SCK J6-13 TXD1/SCK0
* P0[16]/RXD1/SSEL0/SSEL J6-14 RXD1/SSEL0
* P0[17]/CTS1/MISO0/MISO J6-12 MISO0
* P0[18]/DCD1/MOSI0/MOSI J6-11 MOSI0
* P0[19]/DSR1/SDA1 PAD17 N/A
* P0[20]/DTR1/SCL1 PAD18 I2C E2PROM SCL N/A
* P0[21]/RI1/MCIPWR/RD1 J6-23
* P0[22]/RTS1/TD1 J6-24 LED
* P0[23]/AD0[0]/I2SRX_CLK/CAP3[0] J6-15 AD0.0
* P0[24]/AD0[1]/I2SRX_WS/CAP3[1] J6-16 AD0.1
* P0[25]/AD0[2]/I2SRX_SDA/TXD3 J6-17 AD0.2
* P0[26]/AD0[3]/AOUT/RXD3 J6-18 AD0.3/AOUT / RGB LED
* P0[27]/SDA0/USB_SDA J6-25
* P0[28]/SCL0 J6-26
* P0[29]/USB_D+ J6-37 USB_D+
* P0[30]/USB_D- J6-36 USB_D-
*/
#define GPIO_UART3_TXD GPIO_UART3_TXD_1
#define GPIO_I2C1_SDA GPIO_I2C1_SDA_1
#define GPIO_UART3_RXD GPIO_UART3_RXD_1
#define GPIO_I2C1_SCL GPIO_I2C1_SCL_1
#define GPIO_SSP1_SCK GPIO_SSP1_SCK_1
#define GPIO_UART2_TXD GPIO_UART2_TXD_1
#define GPIO_UART2_RXD GPIO_UART2_RXD_1
#define GPIO_UART1_TXD GPIO_UART1_TXD_1
#define GPIO_SSP0_SCK GPIO_SSP0_SCK_1
#define GPIO_UART1_RXD GPIO_UART1_RXD_1
#define GPIO_SSP0_SSEL GPIO_SSP0_SSEL_1
#define GPIO_SSP0_MISO GPIO_SSP0_MISO_1
#define GPIO_SSP0_MOSI GPIO_SSP0_MOSI_1
/* P1[0]/ENET-TXD0 J6-34? TXD0 TX-(Ethernet PHY)
* P1[1]/ENET_TXD1 J6-35? TXD1 TX+(Ethernet PHY)
* P1[4]/ENET_TX_EN TXEN N/A
* P1[8]/ENET_CRS CRS_DV/MODE2 N/A
* P1[9]/ENET_RXD0 J6-32? RXD0/MODE0 RD-(Ethernet PHY)
* P1[10]/ENET_RXD1 J6-33? RXD1/MODE1 RD+(Ethernet PHY)
* P1[14]/ENET_RX_ER RXER/PHYAD0 N/A
* P1[15]/ENET_REF_CLK REFCLK N/A
* P1[16]/ENET_MDC MDC N/A
* P1[17]/ENET_MDIO MDIO N/A
* P1[18]/USB_UP_LED/PWM1[1]/CAP1[0] PAD1 N/A
* P1[19]/MC0A/USB_PPWR/N_CAP1.1 PAD2 N/A
* P1[20]/MCFB0/PWM1.2/SCK0 PAD3 N/A
* P1[21]/MCABORT/PWM1.3/SSEL0 PAD4 N/A
* P1[22]/MC0B/USB-PWRD/MAT1.0 PAD5 N/A
* P1[23]/MCFB1/PWM1.4/MISO0 PAD6 N/A
* P1[24]/MCFB2/PWM1.5/MOSI0 PAD7 N/A
* P1[25]/MC1A/MAT1.1 PAD8 N/A
* P1[26]/MC1B/PWM1.6/CAP0.0 PAD9 N/A
* P1[27]/CLKOUT/USB-OVRCR-N/CAP0.1 PAD10 N/A
* P1[28]/MC2A/PCAP1.0/MAT0.0 PAD11 N/A
* P1[29]/MC2B/PCAP1.1/MAT0.1 PAD12 N/A
* P1[30]/VBUS/AD0[4] J6-19 AD0.4
* P1[31]/SCK1/AD0[5] J6-20 AD0.5
*/
#define GPIO_ENET_MDC GPIO_ENET_MDC_1
#define GPIO_ENET_MDIO GPIO_ENET_MDIO_1
/* P2[0]/PWM1.1/TXD1 J6-42 PWM1.1 / RGB LED / RS422 RX
* P2[1]/PWM1.2/RXD1 J6-43 PWM1.2 / OLED voltage / RGB LED / RS422 RX
* P2[2]/PWM1.3/CTS1/TRACEDATA[3] J6-44 PWM1.3
* P2[3]/PWM1.4/DCD1/TRACEDATA[2] J6-45 PWM1.4
* P2[4]/PWM1.5/DSR1/TRACEDATA[1] J6-46 PWM1.5
* P2[5]/PWM1[6]/DTR1/TRACEDATA[0] J6-47 PWM1.6
* P2[6]/PCAP1[0]/RI1/TRACECLK J6-48
* P2[7]/RD2/RTS1 J6-49 OLED command/data
* P2[8]/TD2/TXD2 J6-50
* P2[9]/USB_CONNECT/RXD2 PAD19 USB Pullup N/A
* P2[10]/EINT0/NMI J6-51
* P2[11]/EINT1/I2STX_CLK J6-52
* P2[12]/EINT2/I2STX_WS J6-53
* P2[13]/EINT3/I2STX_SDA J6-27
*/
#define GPIO_PWM1p1 GPIO_PWM1p1_2
#define GPIO_PWM1p2 GPIO_PWM1p2_2
#define GPIO_PWM1p3 GPIO_PWM1p3_2
#define GPIO_PWM1p4 GPIO_PWM1p4_2
#define GPIO_PWM1p5 GPIO_PWM1p5_2
#define GPIO_PWM1p6 GPIO_PWM1p6_2
/* P3[25]/MAT0.0/PWM1.2 PAD13 N/A
* P3[26]/STCLK/MAT0.1/PWM1.3 PAD14 N/A
*
* P4[28]/RX-MCLK/MAT2.0/TXD3 PAD15 N/A
* P4[29]/TX-MCLK/MAT2.1/RXD3 PAD16 N/A
*/
/************************************************************************************
* Public Types
************************************************************************************/
@ -176,7 +286,8 @@
#undef EXTERN
#if defined(__cplusplus)
#define EXTERN extern "C"
extern "C" {
extern "C"
{
#else
#define EXTERN extern
#endif
@ -189,12 +300,12 @@ extern "C" {
*
* Description:
* All LPC17xx architectures must provide the following entry point. This entry point
* is called early in the intitialization -- after all memory has been configured
* is called early in the initialization -- after all memory has been configured
* and mapped but before any devices have been initialized.
*
************************************************************************************/
EXTERN void lpc17_boardinitialize(void);
void lpc17_boardinitialize(void);
/************************************************************************************
* Name: lpc17_led
@ -205,7 +316,7 @@ EXTERN void lpc17_boardinitialize(void);
************************************************************************************/
#ifdef CONFIG_ARCH_LEDS
EXTERN void lpc17_led(int lednum, int state);
void lpc17_led(int lednum, int state);
#endif
#undef EXTERN
@ -214,4 +325,4 @@ EXTERN void lpc17_led(int lednum, int state);
#endif
#endif /* __ASSEMBLY__ */
#endif /* __ARCH_BOARD_BOARD_H */
#endif /* __CONFIGS_MBED_INCLUDE_BOARD_H */

3
configs/mbed/src/Makefile
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@ -38,7 +38,8 @@
CFLAGS += -I$(TOPDIR)/sched
ASRCS =
CSRCS = up_boot.c up_leds.c
CSRCS = up_boot.c up_leds.c up_adc.c up_dac.c up_pwm.c
ifeq ($(CONFIG_NSH_ARCHINIT),y)
CSRCS += up_nsh.c
endif

124
configs/mbed/src/up_adc.c Normal file
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@ -0,0 +1,124 @@
/************************************************************************************
* configs/mbed/src/up_adc.c
*
* Based on configs/zkit-arm-176/src/up-adc
*
* Copyright (C) 2013 Zilogic Systems. All rights reserved.
* Author: Kannan <code@nuttx.org>
*
* Based on configs/stm3220g-eval/src/up_adc.c
*
* Copyright (C) 2012, 2014 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* 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 NuttX 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 <errno.h>
#include <debug.h>
#include <nuttx/analog/adc.h>
#include <arch/board/board.h>
#include "chip.h"
#include "up_arch.h"
#include "lpc17_adc.h"
#include "mbed_internal.h"
#ifdef CONFIG_ADC
/************************************************************************************
* Definitions
************************************************************************************/
/************************************************************************************
* Private Data
************************************************************************************/
/************************************************************************************
* Private Functions
************************************************************************************/
/************************************************************************************
* Public Functions
************************************************************************************/
/************************************************************************************
* Name: adc_devinit
*
* Description:
* All LPC17 architectures must provide the following interface to work with
* examples/adc.
*
************************************************************************************/
int adc_devinit(void)
{
static bool initialized = false;
struct adc_dev_s *adc;
int ret;
/* Check if we have already initialized */
if (!initialized)
{
/* Call lpc17_adcinitialize() to get an instance of the ADC interface */
adc = lpc17_adcinitialize();
if (adc == NULL)
{
adbg("ERROR: Failed to get ADC interface\n");
return -ENODEV;
}
/* Register the ADC driver at "/dev/adc0" */
ret = adc_register("/dev/adc0", adc);
if (ret < 0)
{
adbg("adc_register failed: %d\n", ret);
return ret;
}
/* Now we are initialized */
initialized = true;
}
return OK;
}
#endif /* CONFIG_ADC */

101
configs/mbed/src/up_dac.c Normal file
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@ -0,0 +1,101 @@
/************************************************************************************
* configs/mbed/src/up_dac.c
*
* Based on configs/zkit-arm-1769/src/up_dac.c
*
* Copyright (C) 2013 Zilogic Systems. All rights reserved.
* Author: Kannan <code@nuttx.org>
*
* Based on configs/stm3220g-eval/src/up_dac.c
*
* Copyright (C) 2012, 2014 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* 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 NuttX 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 <errno.h>
#include <debug.h>
#include <nuttx/analog/dac.h>
#include <arch/board/board.h>
#include "up_arch.h"
#include "up_internal.h"
#include "lpc17_dac.h"
#ifdef CONFIG_DAC
/************************************************************************************
* Name: dac_devinit
*
* Description:
* All LPC17xx architectures must provide the following interface to work with
* examples/diag.
*
************************************************************************************/
int dac_devinit(void)
{
static bool initialized = false;
struct dac_dev_s *dac;
int ret;
if (!initialized)
{
/* Call lpc17_dacinitialize() to get an instance of the dac interface */
dac = lpc17_dacinitialize();
if (dac == NULL)
{
adbg("ERROR: Failed to get dac interface\n");
return -ENODEV;
}
ret = dac_register("/dev/dac0", dac);
if (ret < 0)
{
adbg("dac_register failed: %d\n", ret);
return ret;
}
initialized = true;
}
return OK;
}
#endif /* CONFIG_DAC */

154
configs/mbed/src/up_pwm.c Normal file
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@ -0,0 +1,154 @@
/************************************************************************************
* configs/mbed/up_pwm.c
*
* Based on onfigs/lpcexpresso-lpc1768/up_pwm.c
*
* Copyright (C) 2014 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* 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 NuttX 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 <sys/types.h>
#include <errno.h>
#include <debug.h>
#include <nuttx/pwm.h>
#include <arch/board/board.h>
#include "chip.h"
#include "up_arch.h"
#include "lpc17_pwm.h"
#include "lpc17_timer.h"
#include "mbed_internal.h"
/************************************************************************************
* Definitions
************************************************************************************/
#ifdef CONFIG_PWM
FAR struct pwm_lowerhalf_s *lpc17_pwminitialize(int timer);
FAR struct pwm_lowerhalf_s *lpc17_mcpwminitialize(int timer);
FAR struct pwm_lowerhalf_s *lpc17_timerinitialize(int timer);
/************************************************************************************
* Private Functions
************************************************************************************/
/************************************************************************************
* Public Functions
************************************************************************************/
/************************************************************************************
* Name: pwm_devinit
*
* Description:
* All LPC17 architectures must provide the following interface to work with
* examples/pwm.
*
************************************************************************************/
int pwm_devinit(void)
{
static bool initialized = false;
struct pwm_lowerhalf_s *pwm;
struct pwm_lowerhalf_s *mcpwm;
struct pwm_lowerhalf_s *timer;
int ret;
/* Have we already initialized? */
if (!initialized)
{
/* Call lpc17_pwminitialize() to get an instance of the PWM interface */
pwm = lpc17_pwminitialize(0);
if (!pwm)
{
adbg("Failed to get the LPC17XX PWM lower half\n");
return -ENODEV;
}
/* Register the PWM driver at "/dev/pwm0" */
ret = pwm_register("/dev/pwm0", pwm);
if (ret < 0)
{
adbg("pwm_register failed: %d\n", ret);
return ret;
}
mcpwm = lpc17_mcpwminitialize(0);
if (!mcpwm)
{
adbg("Failed to get the LPC17XX MOTOR PWM lower half\n");
return -ENODEV;
}
/* Register the MOTOR CONTROL PWM driver at "/dev/mcpwm0" */
ret = pwm_register("/dev/mcpwm0", mcpwm);
if (ret < 0)
{
adbg("mcpwm_register failed: %d\n", ret);
return ret;
}
timer = lpc17_timerinitialize(0);
if (!timer)
{
adbg("Failed to get the LPC17XX TIMER lower half\n");
return -ENODEV;
}
/* Register the PWM driver at "/dev/timer0" */
ret = pwm_register("/dev/timer0", timer);
if (ret < 0)
{
adbg("timer_register failed: %d\n", ret);
return ret;
}
/* Now we are initialized */
initialized = true;
}
return OK;
}
#endif /* CONFIG_PWM */