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boards/arm/stm32f0l0g0/nucleo-g070rb: Enable I2C.

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This commit is contained in:
Guillherme Amaral 2019-12-20 13:04:34 -06:00 committed by Gregory Nutt
parent eeed40aa0c
commit b9638de388
3 changed files with 71 additions and 0 deletions
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1
boards/arm/stm32f0l0g0/nucleo-g070rb/README.txt
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@ -12,3 +12,4 @@ STATUS
2019-10-04: Enable basic timer TIM6. Timer example working.
2019-10-17: Add PWM support. PWM example working.
2019-11-04: Add button driver and GPIO driver support. Buttons and GPIO examples working.
2019-12-20: Add i2C driver driver support and i2C tool.

5
boards/arm/stm32f0l0g0/nucleo-g070rb/configs/nsh/defconfig
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@ -34,6 +34,9 @@ CONFIG_EXAMPLES_GPIO=y
CONFIG_EXAMPLES_HELLO=y
CONFIG_EXAMPLES_PWM=y
CONFIG_EXAMPLES_TIMER=y
CONFIG_I2C=y
CONFIG_I2CTOOL_MAXADDR=0xff
CONFIG_I2CTOOL_MINADDR=0x00
CONFIG_INPUT=y
CONFIG_INTELHEX_BINARY=y
CONFIG_MAX_TASKS=8
@ -60,6 +63,7 @@ CONFIG_START_DAY=19
CONFIG_START_MONTH=5
CONFIG_START_YEAR=2013
CONFIG_STDIO_DISABLE_BUFFERING=y
CONFIG_STM32F0L0G0_I2C1=y
CONFIG_STM32F0L0G0_PWM_MULTICHAN=y
CONFIG_STM32F0L0G0_PWR=y
CONFIG_STM32F0L0G0_TIM14=y
@ -100,6 +104,7 @@ CONFIG_STM32F0L0G0_TIM3_CHANNEL4=y
CONFIG_STM32F0L0G0_TIM3_PWM=y
CONFIG_STM32F0L0G0_TIM6=y
CONFIG_STM32F0L0G0_USART2=y
CONFIG_SYSTEM_I2CTOOL=y
CONFIG_SYSTEM_NSH=y
CONFIG_TASK_NAME_SIZE=0
CONFIG_TASK_SPAWN_DEFAULT_STACKSIZE=1536

65
boards/arm/stm32f0l0g0/nucleo-g070rb/src/stm32_bringup.c
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@ -3,6 +3,10 @@
*
* Copyright (C) 2019 Gregory Nutt. All rights reserved.
* Author: Daniel Pereira Volpato <dpo@certi.org.br>
* Guillherme da Silva Amaral <gvr@certi.org.br>
*
* Based on: boards/arm/stm32h7/stm32h747i-disco/src/stm32_bringup.c
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Based on: boards/arm/stm32f0l0g0/nucleo-g071rb/src/stm32_bringup.c
* Author: Mateusz Szafoni <raiden00@railab.me>
@ -50,6 +54,7 @@
#include <nuttx/leds/userled.h>
#include "nucleo-g070rb.h"
#include "stm32_i2c.h"
/****************************************************************************
* Pre-processor Definitions
@ -69,6 +74,62 @@
# define HAVE_DAC2 1
#endif
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Name: stm32_i2c_register
*
* Description:
* Register one I2C drivers for the I2C tool.
*
****************************************************************************/
#if defined(CONFIG_I2C) && defined(CONFIG_SYSTEM_I2CTOOL)
static void stm32_i2c_register(int bus)
{
struct i2c_master_s *i2c;
int ret;
i2c = stm32_i2cbus_initialize(bus);
if (i2c == NULL)
{
syslog(LOG_ERR, "ERROR: Failed to get I2C%d interface\n", bus);
}
else
{
ret = i2c_register(i2c, bus);
if (ret < 0)
{
syslog(LOG_ERR, "ERROR: Failed to register I2C%d driver: %d\n",
bus, ret);
stm32_i2cbus_uninitialize(i2c);
}
}
}
#endif
/****************************************************************************
* Name: stm32_i2ctool
*
* Description:
* Register I2C drivers for the I2C tool.
*
****************************************************************************/
#if defined(CONFIG_I2C) && defined(CONFIG_SYSTEM_I2CTOOL)
static void stm32_i2ctool(void)
{
#ifdef CONFIG_STM32F0L0G0_I2C1
stm32_i2c_register(1);
#endif
#ifdef CONFIG_STM32F0L0G0_I2C2
stm32_i2c_register(2);
#endif
}
#endif
/****************************************************************************
* Public Functions
****************************************************************************/
@ -102,6 +163,10 @@ int stm32_bringup(void)
}
#endif
#if defined(CONFIG_I2C) && defined(CONFIG_SYSTEM_I2CTOOL)
stm32_i2ctool();
#endif
#ifdef CONFIG_BUTTONS
/* Register the BUTTON driver */