static void LL_Init(void);
void SystemClock_Config(void);
static void MX_GPIO_Init(void);
+static void MX_DMA_Init(void);
static void MX_USART2_UART_Init(void);
static void MX_I2C1_Init(void);
+static void MX_TIM3_Init(void);
/* USER CODE BEGIN PFP */
/* Private function prototypes -----------------------------------------------*/
/* Initialize all configured peripherals */
MX_GPIO_Init();
+ MX_DMA_Init();
MX_USART2_UART_Init();
MX_I2C1_Init();
+ MX_TIM3_Init();
/* USER CODE BEGIN 2 */
run_test();
}
+/* TIM3 init function */
+static void MX_TIM3_Init(void)
+{
+
+ LL_TIM_InitTypeDef TIM_InitStruct;
+ LL_TIM_OC_InitTypeDef TIM_OC_InitStruct;
+
+ LL_GPIO_InitTypeDef GPIO_InitStruct;
+
+ /* Peripheral clock enable */
+ LL_APB1_GRP1_EnableClock(LL_APB1_GRP1_PERIPH_TIM3);
+
+ /* TIM3 DMA Init */
+
+ /* TIM3_CH1_TRIG Init */
+ LL_DMA_SetDataTransferDirection(DMA1, LL_DMA_CHANNEL_4, LL_DMA_DIRECTION_PERIPH_TO_MEMORY);
+
+ LL_DMA_SetChannelPriorityLevel(DMA1, LL_DMA_CHANNEL_4, LL_DMA_PRIORITY_VERYHIGH);
+
+ LL_DMA_SetMode(DMA1, LL_DMA_CHANNEL_4, LL_DMA_MODE_NORMAL);
+
+ LL_DMA_SetPeriphIncMode(DMA1, LL_DMA_CHANNEL_4, LL_DMA_PERIPH_NOINCREMENT);
+
+ LL_DMA_SetMemoryIncMode(DMA1, LL_DMA_CHANNEL_4, LL_DMA_MEMORY_NOINCREMENT);
+
+ LL_DMA_SetPeriphSize(DMA1, LL_DMA_CHANNEL_4, LL_DMA_PDATAALIGN_WORD);
+
+ LL_DMA_SetMemorySize(DMA1, LL_DMA_CHANNEL_4, LL_DMA_MDATAALIGN_WORD);
+
+ /* TIM3 interrupt Init */
+ NVIC_SetPriority(TIM3_IRQn, 0);
+ NVIC_EnableIRQ(TIM3_IRQn);
+
+ TIM_InitStruct.Prescaler = 31;
+ TIM_InitStruct.CounterMode = LL_TIM_COUNTERMODE_UP;
+ TIM_InitStruct.Autoreload = 0;
+ TIM_InitStruct.ClockDivision = LL_TIM_CLOCKDIVISION_DIV1;
+ LL_TIM_Init(TIM3, &TIM_InitStruct);
+
+ LL_TIM_DisableARRPreload(TIM3);
+
+ LL_TIM_SetClockSource(TIM3, LL_TIM_CLOCKSOURCE_INTERNAL);
+
+ TIM_OC_InitStruct.OCMode = LL_TIM_OCMODE_FROZEN;
+ TIM_OC_InitStruct.OCState = LL_TIM_OCSTATE_DISABLE;
+ TIM_OC_InitStruct.OCNState = LL_TIM_OCSTATE_DISABLE;
+ TIM_OC_InitStruct.CompareValue = 0;
+ TIM_OC_InitStruct.OCPolarity = LL_TIM_OCPOLARITY_HIGH;
+ LL_TIM_OC_Init(TIM3, LL_TIM_CHANNEL_CH1, &TIM_OC_InitStruct);
+
+ LL_TIM_OC_DisableFast(TIM3, LL_TIM_CHANNEL_CH1);
+
+ TIM_OC_InitStruct.OCMode = LL_TIM_OCMODE_ACTIVE;
+ TIM_OC_InitStruct.OCState = LL_TIM_OCSTATE_DISABLE;
+ TIM_OC_InitStruct.OCNState = LL_TIM_OCSTATE_DISABLE;
+ LL_TIM_OC_Init(TIM3, LL_TIM_CHANNEL_CH2, &TIM_OC_InitStruct);
+
+ LL_TIM_OC_DisableFast(TIM3, LL_TIM_CHANNEL_CH2);
+
+ LL_TIM_SetTriggerOutput(TIM3, LL_TIM_TRGO_RESET);
+
+ LL_TIM_DisableMasterSlaveMode(TIM3);
+
+ /**TIM3 GPIO Configuration
+ PA7 ------> TIM3_CH2
+ */
+ GPIO_InitStruct.Pin = THERMO_Pin;
+ GPIO_InitStruct.Mode = LL_GPIO_MODE_ALTERNATE;
+ GPIO_InitStruct.Speed = LL_GPIO_SPEED_FREQ_HIGH;
+ GPIO_InitStruct.OutputType = LL_GPIO_OUTPUT_OPENDRAIN;
+ GPIO_InitStruct.Pull = LL_GPIO_PULL_NO;
+ GPIO_InitStruct.Alternate = LL_GPIO_AF_1;
+ LL_GPIO_Init(THERMO_GPIO_Port, &GPIO_InitStruct);
+
+}
+
/* USART2 init function */
static void MX_USART2_UART_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_Channel4_5_IRQn interrupt configuration */
+ NVIC_SetPriority(DMA1_Channel4_5_IRQn, 0);
+ NVIC_EnableIRQ(DMA1_Channel4_5_IRQn);
+
+}
+
/** Configure pins as
* Analog
* Input