STM32F4 I2Cドライバ [詳解]
#include "sysconfig.h"#include "device.h"#include "interrupt.h"#include "tkprintf.h"#include "device/i2c_ioctl.h"#include "task/event.h"#include "task/mutex.h"#include "task/syscall.h"#include "stm32f4xx_hal.h"#include "dkprintf.h"
i2c.c の依存先関係図:
型定義 | |
| typedef struct st_i2c_data | st_i2c_data |
関数 | |
| void | HAL_I2C_MspInit (I2C_HandleTypeDef *hi2c) |
| static void | init_i2c (struct st_device *dev) |
| static int | i2c_register (struct st_device *dev, char *param) |
| static int | i2c_open (struct st_device *dev) |
| static int | i2c_close (struct st_device *dev) |
| static int | i2c_read (struct st_device *dev, void *data, unsigned int size) |
| static int | i2c_write (struct st_device *dev, const void *data, unsigned int size) |
| static int | i2c_set_speed (I2C_TypeDef *i2cx, int speed) |
| static int | i2c_ioctl (struct st_device *dev, unsigned int com, unsigned int arg, void *param) |
| static int | i2c_seek (struct st_device *dev, int offset, int whence) |
| static int | i2c_suspend (struct st_device *dev) |
| static int | i2c_resume (struct st_device *dev) |
変数 | |
| static st_i2c_data | i2c_prv_data [1] |
| static struct st_mutex | i2c_mutex [1] |
| const struct st_device | i2c_device |
詳解
変数詳解
◆ i2c_device
| const struct st_device i2c_device |
初期値:
= {
.name = DEF_DEV_NAME_I2C,
.explan = "STM32F4 I2C1 Master",
.private_data = (void *)&i2c_prv_data[0],
.register_dev = i2c_register,
.mutex = &i2c_mutex[0],
.open = i2c_open,
.close = i2c_close,
.read = i2c_read,
.write = i2c_write,
.ioctl = i2c_ioctl,
.seek = i2c_seek,
.suspend = i2c_suspend,
.resume = i2c_resume,
}
