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variable size ble transmissions

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ggw
2026-05-08 16:54:36 -05:00
parent 41ec35233d
commit 2b5ade4bec
5 changed files with 24 additions and 13 deletions
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code/wb1mmc_code/Core/Src/main.c
+10 -7
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@@ -65,18 +65,18 @@ void PeriphCommonClock_Config(void);
/* Private user code ---------------------------------------------------------*/
/* USER CODE BEGIN 0 */
uint8_t uart_rx_data[1024];
uint8_t uart_rx_data[1028];
uint8_t uart_tx_data[1] = {'R'};
bool ready_for_data = false;
uint8_t notify_buffer[128];
volatile uint32_t xfer_len;
volatile bool do_notify = false;
void SendNotifyTask(void) {
if (!do_notify) {
return;
}
for (int i = 0; i < 8; ++i) {
for (int i = 0; 128 * i < xfer_len; ++i) {
Custom_STM_App_Update_Char(
CUSTOM_STM_ARRREAD,
uart_rx_data + i * 128
@@ -84,12 +84,15 @@ void SendNotifyTask(void) {
}
}
void HAL_UARTEx_RxEventCpltCallback(UART_HandleTypeDef *huart, uint16_t Size) {
//HAL_GPIO_TogglePin(GPIOA, LED4_Pin);
void HAL_UARTEx_RxEventCallback(UART_HandleTypeDef *huart, uint16_t Size) {
HAL_GPIO_TogglePin(GPIOA, LED5_Pin);
UTIL_SEQ_SetTask(1<<CFG_TASK_SEND_NOTIFY, UTIL_SEQ_RFU);
// Process data here or something
if (huart->gState == HAL_UART_STATE_READY) {
HAL_UART_Transmit_DMA(&huart1, uart_tx_data, sizeof(uart_tx_data));
}
xfer_len = Size;
HAL_UARTEx_ReceiveToIdle_DMA(&huart1, uart_rx_data, sizeof(uart_rx_data));
HAL_UART_Transmit_DMA(&huart1, uart_tx_data, sizeof(uart_tx_data));
}
void HAL_UART_TXCpltCallback(UART_HandleTypeDef *huart) {}
@@ -160,8 +163,8 @@ int main(void)
HAL_Delay(1000); // Give the l452 time to start up
HAL_GPIO_WritePin(GPIOA, LED4_Pin, GPIO_PIN_RESET);
HAL_GPIO_WritePin(GPIOA, LED5_Pin, GPIO_PIN_SET);
__HAL_DMA_DISABLE_IT(huart1.hdmarx, DMA_IT_HT);
HAL_UARTEx_ReceiveToIdle_DMA(&huart1, uart_rx_data, sizeof(uart_rx_data));
__HAL_DMA_DISABLE_IT(huart1.hdmarx, DMA_IT_HT);
HAL_UART_Transmit_DMA(&huart1, uart_tx_data, sizeof(uart_tx_data));
while (1)
{