diff options
Diffstat (limited to 'Core/Src/i2c.c')
| -rwxr-xr-x | Core/Src/i2c.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/Core/Src/i2c.c b/Core/Src/i2c.c index 6ebfe13..4f3b697 100755 --- a/Core/Src/i2c.c +++ b/Core/Src/i2c.c @@ -38,7 +38,7 @@ void MX_I2C4_Init(void) /* USER CODE END I2C4_Init 1 */
hi2c4.Instance = I2C4;
- hi2c4.Init.Timing = 0x00201E2D;
+ hi2c4.Init.Timing = 0x307075B1;
hi2c4.Init.OwnAddress1 = 0;
hi2c4.Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT;
hi2c4.Init.DualAddressMode = I2C_DUALADDRESS_DISABLE;
@@ -74,12 +74,22 @@ void HAL_I2C_MspInit(I2C_HandleTypeDef* i2cHandle) {
GPIO_InitTypeDef GPIO_InitStruct = {0};
+ RCC_PeriphCLKInitTypeDef PeriphClkInitStruct = {0};
if(i2cHandle->Instance==I2C4)
{
/* USER CODE BEGIN I2C4_MspInit 0 */
/* USER CODE END I2C4_MspInit 0 */
+ /** Initializes the peripherals clock
+ */
+ PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_I2C4;
+ PeriphClkInitStruct.I2c4ClockSelection = RCC_I2C4CLKSOURCE_D3PCLK1;
+ if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) != HAL_OK)
+ {
+ Error_Handler();
+ }
+
__HAL_RCC_GPIOB_CLK_ENABLE();
/**I2C4 GPIO Configuration
PB8 ------> I2C4_SCL
|