Ejemplo n.º 1
0
void i2c_reset(i2c_t *obj) {
    if (obj->i2c == I2C_1) {
        __I2C1_FORCE_RESET();
        __I2C1_RELEASE_RESET();
    }
    if (obj->i2c == I2C_2) {
        __I2C2_FORCE_RESET();
        __I2C2_RELEASE_RESET();
    }
}
Ejemplo n.º 2
0
void i2c_deinit(I2C_HandleTypeDef *i2c) {
    HAL_I2C_DeInit(i2c);
    if (0) {
#if MICROPY_HW_ENABLE_I2C1
    } else if (i2c->Instance == I2C1) {
        __I2C1_FORCE_RESET();
        __I2C1_RELEASE_RESET();
        __I2C1_CLK_DISABLE();
#endif
    } else if (i2c->Instance == I2C2) {
        __I2C2_FORCE_RESET();
        __I2C2_RELEASE_RESET();
        __I2C2_CLK_DISABLE();
    }
}
Ejemplo n.º 3
0
void I2C_Reset(I2C_TypeDef* I2Cx){
	uint16_t timeout;
	
	timeout = LONG_TIMEOUT;
	while((I2C_GetFlagStatus(I2Cx, I2C_FLAG_BUSY) != RESET) && (timeout-- != 0));
	
	if(I2Cx == I2C1){
		__I2C1_FORCE_RESET();
    __I2C1_RELEASE_RESET();
	}
	else if(I2Cx == I2C2){
		__I2C2_FORCE_RESET();
    __I2C2_RELEASE_RESET();
	}
}
Ejemplo n.º 4
0
void i2c_reset(i2c_t *obj) {
    int timeout;
	
    // wait before reset
    timeout = LONG_TIMEOUT;
    while((__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_BUSY)) && (timeout-- != 0));

    if (obj->i2c == I2C_1) {
        __I2C1_FORCE_RESET();
        __I2C1_RELEASE_RESET();
    }
    if (obj->i2c == I2C_2) {
        __I2C2_FORCE_RESET();
        __I2C2_RELEASE_RESET();
    }
}
Ejemplo n.º 5
0
void i2c_deinit(I2C_HandleTypeDef *i2c) {
    HAL_I2C_DeInit(i2c);
    if (0) {
    #if defined(MICROPY_HW_I2C1_SCL)
    } else if (i2c->Instance == I2C1) {
        __I2C1_FORCE_RESET();
        __I2C1_RELEASE_RESET();
        __I2C1_CLK_DISABLE();
        HAL_NVIC_DisableIRQ(I2C1_EV_IRQn);
        HAL_NVIC_DisableIRQ(I2C1_ER_IRQn);
    #endif
    #if defined(MICROPY_HW_I2C2_SCL)
    } else if (i2c->Instance == I2C2) {
        __I2C2_FORCE_RESET();
        __I2C2_RELEASE_RESET();
        __I2C2_CLK_DISABLE();
        HAL_NVIC_DisableIRQ(I2C2_EV_IRQn);
        HAL_NVIC_DisableIRQ(I2C2_ER_IRQn);
    #endif
    #if defined(MICROPY_HW_I2C3_SCL)
    } else if (i2c->Instance == I2C3) {
        __I2C3_FORCE_RESET();
        __I2C3_RELEASE_RESET();
        __I2C3_CLK_DISABLE();
        HAL_NVIC_DisableIRQ(I2C3_EV_IRQn);
        HAL_NVIC_DisableIRQ(I2C3_ER_IRQn);
    #endif
    #if defined(MICROPY_HW_I2C4_SCL)
    } else if (i2c->Instance == I2C4) {
        __HAL_RCC_I2C4_FORCE_RESET();
        __HAL_RCC_I2C4_RELEASE_RESET();
        __HAL_RCC_I2C4_CLK_DISABLE();
        HAL_NVIC_DisableIRQ(I2C4_EV_IRQn);
        HAL_NVIC_DisableIRQ(I2C4_ER_IRQn);
    #endif
    }
}
Ejemplo n.º 6
0
void i2c_reset(i2c_t *obj)
{
    __I2C1_FORCE_RESET();
    __I2C1_RELEASE_RESET();
}