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configs/nucleo-l432kc/src/stm32_appinit.c: Add support for I2C driver initialization.

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This commit is contained in:
Nikolay Semenov
2019-01-28 06:12:52 -06:00
committed by Gregory Nutt
parent 5bf7890d32
commit 5bbd831222
1 changed files with 34 additions and 1 deletions
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configs/nucleo-l432kc/src/stm32_appinit.c
+34 -1
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@@ -55,6 +55,7 @@
#include <stm32l4.h> #include <stm32l4.h>
#include <stm32l4_uart.h> #include <stm32l4_uart.h>
#include <stm32l4_i2c.h>
#include <arch/board/board.h> #include <arch/board/board.h>
@@ -65,6 +66,15 @@
# include "stm32l4_rtc.h" # include "stm32l4_rtc.h"
#endif #endif
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
#undef HAVE_I2C_DRIVER
#if defined(CONFIG_STM32L4_I2C1) && defined(CONFIG_I2C_DRIVER)
# define HAVE_I2C_DRIVER 1
#endif
/**************************************************************************** /****************************************************************************
* Public Functions * Public Functions
****************************************************************************/ ****************************************************************************/
@@ -95,7 +105,7 @@ void up_netinitialize(void)
* arg - The boardctl() argument is passed to the board_app_initialize() * arg - The boardctl() argument is passed to the board_app_initialize()
* implementation without modification. The argument has no * implementation without modification. The argument has no
* meaning to NuttX; the meaning of the argument is a contract * meaning to NuttX; the meaning of the argument is a contract
* between the board-specific initalization logic and the * between the board-specific initialization logic and the
* matching application logic. The value cold be such things as a * matching application logic. The value cold be such things as a
* mode enumeration value, a set of DIP switch switch settings, a * mode enumeration value, a set of DIP switch switch settings, a
* pointer to configuration data read from a file or serial FLASH, * pointer to configuration data read from a file or serial FLASH,
@@ -113,6 +123,9 @@ int board_app_initialize(uintptr_t arg)
#ifdef HAVE_RTC_DRIVER #ifdef HAVE_RTC_DRIVER
FAR struct rtc_lowerhalf_s *rtclower; FAR struct rtc_lowerhalf_s *rtclower;
#endif #endif
#ifdef HAVE_I2C_DRIVER
FAR struct i2c_master_s *i2c;
#endif
#ifdef CONFIG_SENSORS_QENCODER #ifdef CONFIG_SENSORS_QENCODER
int index; int index;
char buf[9]; char buf[9];
@@ -170,6 +183,26 @@ int board_app_initialize(uintptr_t arg)
} }
#endif #endif
#ifdef HAVE_I2C_DRIVER
/* Get the I2C lower half instance */
i2c = stm32l4_i2cbus_initialize(1);
if (i2c == NULL)
{
i2cerr("ERROR: Initialize I2C1: %d\n", ret);
}
else
{
/* Register the I2C character driver */
ret = i2c_register(i2c, 1);
if (ret < 0)
{
i2cerr("ERROR: Failed to register I2C1 device: %d\n", ret);
}
}
#endif
#ifdef HAVE_AT45DB #ifdef HAVE_AT45DB
/* Initialize and register the ATDB FLASH file system. */ /* Initialize and register the ATDB FLASH file system. */