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[FL-933] API HAL I2C: initialize bus on start (#360)

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* API HAL I2C: initialize bus on start
* API HAL I2C: move timing register to resources, explain its value. Update cube project.
This commit is contained in:
あく
2021-03-03 12:21:14 +03:00
committed by GitHub
parent 3c088dcf7f
commit f4f8ef59fd
15 changed files with 208 additions and 106 deletions
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112
firmware/targets/f5/cube/Src/i2c.c
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@@ -24,95 +24,47 @@
/* USER CODE END 0 */
I2C_HandleTypeDef hi2c1;
/* I2C1 init function */
void MX_I2C1_Init(void)
{
LL_I2C_InitTypeDef I2C_InitStruct = {0};
hi2c1.Instance = I2C1;
hi2c1.Init.Timing = 0x10707DBC;
hi2c1.Init.OwnAddress1 = 0;
hi2c1.Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT;
hi2c1.Init.DualAddressMode = I2C_DUALADDRESS_DISABLE;
hi2c1.Init.OwnAddress2 = 0;
hi2c1.Init.OwnAddress2Masks = I2C_OA2_NOMASK;
hi2c1.Init.GeneralCallMode = I2C_GENERALCALL_DISABLE;
hi2c1.Init.NoStretchMode = I2C_NOSTRETCH_DISABLE;
if (HAL_I2C_Init(&hi2c1) != HAL_OK)
{
Error_Handler();
}
/** Configure Analogue filter
LL_GPIO_InitTypeDef GPIO_InitStruct = {0};
LL_AHB2_GRP1_EnableClock(LL_AHB2_GRP1_PERIPH_GPIOA);
/**I2C1 GPIO Configuration
PA9 ------> I2C1_SCL
PA10 ------> I2C1_SDA
*/
if (HAL_I2CEx_ConfigAnalogFilter(&hi2c1, I2C_ANALOGFILTER_ENABLE) != HAL_OK)
{
Error_Handler();
}
/** Configure Digital filter
GPIO_InitStruct.Pin = LL_GPIO_PIN_9|LL_GPIO_PIN_10;
GPIO_InitStruct.Mode = LL_GPIO_MODE_ALTERNATE;
GPIO_InitStruct.Speed = LL_GPIO_SPEED_FREQ_VERY_HIGH;
GPIO_InitStruct.OutputType = LL_GPIO_OUTPUT_OPENDRAIN;
GPIO_InitStruct.Pull = LL_GPIO_PULL_UP;
GPIO_InitStruct.Alternate = LL_GPIO_AF_4;
LL_GPIO_Init(GPIOA, &GPIO_InitStruct);
/* Peripheral clock enable */
LL_APB1_GRP1_EnableClock(LL_APB1_GRP1_PERIPH_I2C1);
/** I2C Initialization
*/
if (HAL_I2CEx_ConfigDigitalFilter(&hi2c1, 0) != HAL_OK)
{
Error_Handler();
}
I2C_InitStruct.PeripheralMode = LL_I2C_MODE_I2C;
I2C_InitStruct.Timing = 0x10707DBC;
I2C_InitStruct.AnalogFilter = LL_I2C_ANALOGFILTER_ENABLE;
I2C_InitStruct.DigitalFilter = 0;
I2C_InitStruct.OwnAddress1 = 0;
I2C_InitStruct.TypeAcknowledge = LL_I2C_ACK;
I2C_InitStruct.OwnAddrSize = LL_I2C_OWNADDRESS1_7BIT;
LL_I2C_Init(I2C1, &I2C_InitStruct);
LL_I2C_EnableAutoEndMode(I2C1);
LL_I2C_SetOwnAddress2(I2C1, 0, LL_I2C_OWNADDRESS2_NOMASK);
LL_I2C_DisableOwnAddress2(I2C1);
LL_I2C_DisableGeneralCall(I2C1);
LL_I2C_EnableClockStretching(I2C1);
}
void HAL_I2C_MspInit(I2C_HandleTypeDef* i2cHandle)
{
GPIO_InitTypeDef GPIO_InitStruct = {0};
if(i2cHandle->Instance==I2C1)
{
/* USER CODE BEGIN I2C1_MspInit 0 */
/* USER CODE END I2C1_MspInit 0 */
__HAL_RCC_GPIOA_CLK_ENABLE();
/**I2C1 GPIO Configuration
PA9 ------> I2C1_SCL
PA10 ------> I2C1_SDA
*/
GPIO_InitStruct.Pin = I2C_SCL_Pin|I2C_SDA_Pin;
GPIO_InitStruct.Mode = GPIO_MODE_AF_OD;
GPIO_InitStruct.Pull = GPIO_PULLUP;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
GPIO_InitStruct.Alternate = GPIO_AF4_I2C1;
HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
/* I2C1 clock enable */
__HAL_RCC_I2C1_CLK_ENABLE();
/* USER CODE BEGIN I2C1_MspInit 1 */
/* USER CODE END I2C1_MspInit 1 */
}
}
void HAL_I2C_MspDeInit(I2C_HandleTypeDef* i2cHandle)
{
if(i2cHandle->Instance==I2C1)
{
/* USER CODE BEGIN I2C1_MspDeInit 0 */
/* USER CODE END I2C1_MspDeInit 0 */
/* Peripheral clock disable */
__HAL_RCC_I2C1_CLK_DISABLE();
/**I2C1 GPIO Configuration
PA9 ------> I2C1_SCL
PA10 ------> I2C1_SDA
*/
HAL_GPIO_DeInit(I2C_SCL_GPIO_Port, I2C_SCL_Pin);
HAL_GPIO_DeInit(I2C_SDA_GPIO_Port, I2C_SDA_Pin);
/* USER CODE BEGIN I2C1_MspDeInit 1 */
/* USER CODE END I2C1_MspDeInit 1 */
}
}
/* USER CODE BEGIN 1 */
/* USER CODE END 1 */