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| #include "systemview_task.h"
#define SYSVIEW_SINGLE_TX 256
TaskHandle_t system_view_notify;
STATIC_MEM_TASK_ALLOC(systemview_task, SYSTEMVIEW_TASK_STACKSIZE);
static void SystemViewTask(void *param);
uint8_t hello_message[32] = {
'S', 'E', 'G', 'G', 'E', 'R', ' ',
'S', 'y', 's', 't', 'e', 'm', 'V', 'i', 'e', 'w',
' ', 'V', '0' + SEGGER_SYSVIEW_MAJOR,
'.', '0' + (SEGGER_SYSVIEW_MINOR / 10),
'0' + (SEGGER_SYSVIEW_MINOR % 10),
'.', '0' + (SEGGER_SYSVIEW_REV / 10),
'0' + (SEGGER_SYSVIEW_REV % 10),
'\0', 0, 0, 0, 0, 0};
void SystemViewLaunch(void) {
CoreDebug->DEMCR |= CoreDebug_DEMCR_TRCENA_Msk;
DWT->CYCCNT = 0;
DWT->CTRL |= DWT_CTRL_CYCCNTENA_Msk;
SEGGER_SYSVIEW_Conf();
STATIC_MEM_TASK_CREATE(systemview_task, SystemViewTask, "SystemViewTask", NULL, SYSTEMVIEW_TASK_PRI);
}
void SystemViewTask(void *param) {
system_view_notify = xTaskGetCurrentTaskHandle();
// 获取Channel ID
int channel_id = SEGGER_SYSVIEW_GetChannelID();
//发送HELLO包
HAL_UART_Transmit_DMA(&huart1, hello_message, 32);
uint8_t rx_buf;
uint8_t tx_buf[SYSVIEW_SINGLE_TX];
uint32_t notify_flag;
bool dma_in_progress = true;
TickType_t prev_send;
//启动记录
SEGGER_SYSVIEW_Start();
while (1) {
if (xTaskNotifyWait(0x00, 0x03, ¬ify_flag, pdMS_TO_TICKS(400)) == pdTRUE) {
if (notify_flag & 0x01) {
SEGGER_RTT_WriteDownBufferNoLock(channel_id, &rx_buf, 0x01);
HAL_UART_Receive_IT(&huart1, &rx_buf, 0x01);
} else if (notify_flag & 0x02) {
if (dma_in_progress) {
dma_in_progress = false;
prev_send = xTaskGetTickCount();
}
}
}
if (dma_in_progress == false && xTaskGetTickCount() - prev_send >= pdMS_TO_TICKS(400)) {
unsigned int tx_length = SEGGER_RTT_GetBytesInBuffer(channel_id);
if (tx_length >= SYSVIEW_SINGLE_TX) {
uint32_t num = SEGGER_RTT_ReadUpBufferNoLock(channel_id, tx_buf, SYSVIEW_SINGLE_TX);
HAL_UART_Transmit_DMA(&huart1, tx_buf, num);
} else if (tx_length != 0) {
uint32_t num = SEGGER_RTT_ReadUpBufferNoLock(channel_id, tx_buf, tx_length);
HAL_UART_Transmit_DMA(&huart1, tx_buf, num);
}
dma_in_progress = true;
}
}
}
void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart) {
if (huart->Instance == USART1) {
BaseType_t higher_woken = pdFALSE;
xTaskNotifyFromISR(system_view_notify, 0x01, eSetBits, &higher_woken);
portYIELD_FROM_ISR(higher_woken);
}
}
void HAL_UART_TxCpltCallback(UART_HandleTypeDef *huart) {
if (huart->Instance == USART1) {
BaseType_t higher_woken = pdFALSE;
xTaskNotifyFromISR(system_view_notify, 0x02, eSetBits, &higher_woken);
portYIELD_FROM_ISR(higher_woken);
}
}
|
