I2C interrupts

[home-hw.git] / Src / main.c

diff --git a/Src/main.c b/Src/main.c
index 7dfa9f72a4efeaf5e904316413875310abf7896a..e064ccff55cb1b65bde196ce6d6f489ef914b35c 100644 (file)
--- a/Src/main.c
+++ b/Src/main.c
@@ -62,7 +62,6 @@ struct usb usb;
 /* Private function prototypes -----------------------------------------------*/
 void SystemClock_Config(void);
 static void MX_GPIO_Init(void);
-static void MX_DMA_Init(void);
 static void MX_I2C1_Init(void);
 static void MX_I2C2_Init(void);
 static void MX_USB_PCD_Init(void);
@@ -107,7 +106,6 @@ int main(void)
 
   /* Initialize all configured peripherals */
   MX_GPIO_Init();
-  MX_DMA_Init();
 
   // A hack to let USB host reset us
   LL_GPIO_InitTypeDef gpio;
@@ -257,37 +255,9 @@ static void MX_I2C1_Init(void)
   /* Peripheral clock enable */
   LL_APB1_GRP1_EnableClock(LL_APB1_GRP1_PERIPH_I2C1);
 
-  /* I2C1 DMA Init */
-  
-  /* I2C1_RX Init */
-  LL_DMA_SetDataTransferDirection(DMA1, LL_DMA_CHANNEL_7, LL_DMA_DIRECTION_PERIPH_TO_MEMORY);
-
-  LL_DMA_SetChannelPriorityLevel(DMA1, LL_DMA_CHANNEL_7, LL_DMA_PRIORITY_LOW);
-
-  LL_DMA_SetMode(DMA1, LL_DMA_CHANNEL_7, LL_DMA_MODE_NORMAL);
-
-  LL_DMA_SetPeriphIncMode(DMA1, LL_DMA_CHANNEL_7, LL_DMA_PERIPH_NOINCREMENT);
-
-  LL_DMA_SetMemoryIncMode(DMA1, LL_DMA_CHANNEL_7, LL_DMA_MEMORY_INCREMENT);
-
-  LL_DMA_SetPeriphSize(DMA1, LL_DMA_CHANNEL_7, LL_DMA_PDATAALIGN_BYTE);
-
-  LL_DMA_SetMemorySize(DMA1, LL_DMA_CHANNEL_7, LL_DMA_MDATAALIGN_BYTE);
-
-  /* I2C1_TX Init */
-  LL_DMA_SetDataTransferDirection(DMA1, LL_DMA_CHANNEL_6, LL_DMA_DIRECTION_MEMORY_TO_PERIPH);
-
-  LL_DMA_SetChannelPriorityLevel(DMA1, LL_DMA_CHANNEL_6, LL_DMA_PRIORITY_LOW);
-
-  LL_DMA_SetMode(DMA1, LL_DMA_CHANNEL_6, LL_DMA_MODE_NORMAL);
-
-  LL_DMA_SetPeriphIncMode(DMA1, LL_DMA_CHANNEL_6, LL_DMA_PERIPH_NOINCREMENT);
-
-  LL_DMA_SetMemoryIncMode(DMA1, LL_DMA_CHANNEL_6, LL_DMA_MEMORY_INCREMENT);
-
-  LL_DMA_SetPeriphSize(DMA1, LL_DMA_CHANNEL_6, LL_DMA_PDATAALIGN_BYTE);
-
-  LL_DMA_SetMemorySize(DMA1, LL_DMA_CHANNEL_6, LL_DMA_MDATAALIGN_BYTE);
+  /* I2C1 interrupt Init */
+  NVIC_SetPriority(I2C1_EV_IRQn, NVIC_EncodePriority(NVIC_GetPriorityGrouping(),0, 0));
+  NVIC_EnableIRQ(I2C1_EV_IRQn);
 
     /**I2C Initialization 
     */
@@ -407,25 +377,6 @@ static void MX_USB_PCD_Init(void)
 
 }
 
-/** 
-  * Enable DMA controller clock
-  */
-static void MX_DMA_Init(void) 
-{
-  /* Init with LL driver */
-  /* DMA controller clock enable */
-  LL_AHB1_GRP1_EnableClock(LL_AHB1_GRP1_PERIPH_DMA1);
-
-  /* DMA interrupt init */
-  /* DMA1_Channel6_IRQn interrupt configuration */
-  NVIC_SetPriority(DMA1_Channel6_IRQn, NVIC_EncodePriority(NVIC_GetPriorityGrouping(),0, 0));
-  NVIC_EnableIRQ(DMA1_Channel6_IRQn);
-  /* DMA1_Channel7_IRQn interrupt configuration */
-  NVIC_SetPriority(DMA1_Channel7_IRQn, NVIC_EncodePriority(NVIC_GetPriorityGrouping(),0, 0));
-  NVIC_EnableIRQ(DMA1_Channel7_IRQn);
-
-}
-
 /** Configure pins as 
         * Analog 
         * Input