dma write working

1 files changed, 25 insertions, 0 deletions

diff --git a/stm32f091/test.c b/stm32f091/test.c
new file mode 100644
index 0000000..4d1b936
--- /dev/null
+++ b/stm32f091/test.c
@@ -0,0 +1,25 @@
+#include <stm32f0xx_hal.h>
+#include <FreeRTOS.h>
+#include <task.h>
+
+#include "setup.h"
+
+uint8_t tx_buffer[] = "AT\r\n";
+
+void ws_test_read_task() {
+	uint8_t* buf; // TODO: not working
+	while (1) {
+		HAL_UART_Receive_DMA(&huart1, buf, 1);
+		HAL_UART_Transmit(&huart2, buf, 1, 100);
+	}
+}
+
+void ws_test_write_task() {
+	while (1) {
+		HAL_UART_Transmit_DMA(&huart1, tx_buffer, sizeof(tx_buffer));
+		__HAL_UART_ENABLE_IT(&huart1, UART_IT_TXE);
+
+		HAL_GPIO_TogglePin(GPIOA, GPIO_PIN_5);
+		vTaskDelay(portTICK_PERIOD_MS * 1000 * 1);
+	}
+}