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lyon1998 2023-05-02 22:16:41 +08:00
parent a333cc854f
commit 0c47b42a01
1 changed files with 25 additions and 2 deletions
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27
package/ESP32/pika_hal_ESP32_UART.c
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@ -3,7 +3,10 @@
#include "dataStrs.h"
#include "driver/uart.h"
#include "pika_hal_ESP32_common.h"
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
extern volatile PikaMemInfo g_PikaMemInfo;
typedef struct platform_data_UART {
uart_port_t uartPort;
uart_config_t uart_conf;
@ -12,8 +15,11 @@ typedef struct platform_data_UART {
gpio_num_t rx_port;
gpio_num_t rts_port;
gpio_num_t cts_port;
PIKA_BOOL event_thread_started;
} platform_data_UART;
static SemaphoreHandle_t g_event_lock = NULL;
int pika_hal_platform_UART_open(pika_dev* dev, char* name) {
/* UARTX */
if (name[0] != 'U' || name[1] != 'A' || name[2] != 'R' || name[3] != 'T') {
@ -79,7 +85,10 @@ static void uart_event_task(void* pvParameters) {
data events than other types of events. If we take too much time
on data event, the queue might be full.*/
case UART_DATA:
pika_assert(g_event_lock != NULL);
xSemaphoreTake(g_event_lock, portMAX_DELAY);
cfg->event_callback(dev, event.type);
xSemaphoreGive(g_event_lock);
break;
// Others
default:
@ -87,6 +96,7 @@ static void uart_event_task(void* pvParameters) {
}
}
}
g_PikaMemInfo.heapUsed -= PIKA_THREAD_STACK_SIZE;
vTaskDelete(NULL);
}
@ -220,6 +230,11 @@ int pika_hal_platform_UART_ioctl_config(pika_dev* dev,
uart->cts_port = UART_PIN_NO_CHANGE;
}
if (dev->is_enabled){
pika_debug("UART%d: uart is enabled, reconfig\r\n", uart->uartPort);
uart_param_config(uart->uartPort, &uart->uart_conf);
}
/* support event callback */
if (dev->is_enabled == PIKA_TRUE && NULL != cfg->event_callback &&
PIKA_HAL_EVENT_CALLBACK_ENA_ENABLE == cfg->event_callback_ena) {
@ -241,8 +256,16 @@ int pika_hal_platform_UART_ioctl_config(pika_dev* dev,
cfg->event_callback_filter);
return -1;
}
/* start irq task thread */
xTaskCreate(uart_event_task, "uart_event_task", 8192, dev, 12, NULL);
if (uart->event_thread_started == PIKA_FALSE){
/* start irq task thread */
pika_debug("Starting uart event task:%p\r\n", dev);
if (NULL == g_event_lock){
g_event_lock = xSemaphoreCreateMutex();
}
g_PikaMemInfo.heapUsed += PIKA_THREAD_STACK_SIZE;
xTaskCreate(uart_event_task, "uart_event_task", PIKA_THREAD_STACK_SIZE, dev, 12, NULL);
uart->event_thread_started = PIKA_TRUE;
}
}
return 0;
}