kopia lustrzana https://github.com/espressif/esp-idf
118 wiersze
3.4 KiB
C
118 wiersze
3.4 KiB
C
/*
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* SPDX-FileCopyrightText: 2021 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: Unlicense OR CC0-1.0
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*/
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#include "driver/uart.h"
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#include "freertos/xtensa_api.h"
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#include "freertos/FreeRTOS.h"
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#include "freertos/task.h"
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#include "freertos/queue.h"
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#include "esp_log.h"
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#include "console_uart.h"
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#include "app_spp_msg_prs.h"
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#define CONSOLE_UART_NUM UART_NUM_0
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static QueueHandle_t uart_queue;
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static spp_msg_prs_cb_t spp_msg_parser;
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static const uart_config_t uart_cfg = {
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.baud_rate = 115200, //1.5M
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.data_bits = UART_DATA_8_BITS,
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.parity = UART_PARITY_DISABLE,
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.stop_bits = UART_STOP_BITS_1,
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.flow_ctrl = UART_HW_FLOWCTRL_DISABLE,
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.rx_flow_ctrl_thresh = 127,
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};
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extern void spp_msg_args_parser(char *buf, int len);
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void spp_msg_handler(char *buf, int len)
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{
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ESP_LOGE(TAG_CNSL, "Command [%s]", buf);
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spp_msg_args_parser(buf, len);
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}
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static void console_uart_task(void *pvParameters)
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{
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int len;
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uart_event_t event;
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spp_msg_prs_cb_t *parser = &spp_msg_parser;
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spp_msg_parser_reset_state(parser);
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spp_msg_parser_register_callback(parser, spp_msg_handler);
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spp_msg_show_usage();
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#define TMP_BUF_LEN 128
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uint8_t tmp_buf[128] = {0};
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for (;;) {
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//Waiting for UART event.
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if (xQueueReceive(uart_queue, (void * )&event, (portTickType)portMAX_DELAY)) {
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switch (event.type) {
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//Event of UART receving data
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case UART_DATA:
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{
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len = uart_read_bytes(CONSOLE_UART_NUM, tmp_buf, TMP_BUF_LEN, 0);
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for (int i = 0; i < len; i++) {
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spp_msg_parse(tmp_buf[i], parser);
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}
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break;
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}
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//Event of HW FIFO overflow detected
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case UART_FIFO_OVF:
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{
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ESP_LOGI(TAG_CNSL, "hw fifo overflow");
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break;
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}
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//Event of UART ring buffer full
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case UART_BUFFER_FULL:
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{
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ESP_LOGI(TAG_CNSL, "ring buffer full");
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break;
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}
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//Event of UART RX break detected
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case UART_BREAK:
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{
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ESP_LOGI(TAG_CNSL, "uart rx break");
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break;
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}
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//Event of UART parity check error
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case UART_PARITY_ERR:
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{
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ESP_LOGI(TAG_CNSL, "uart parity error");
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break;
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}
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//Event of UART frame error
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case UART_FRAME_ERR:
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{
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ESP_LOGI(TAG_CNSL, "uart frame error");
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break;
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}
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//Others
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default:
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break;
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}
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}
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}
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vTaskDelete(NULL);
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}
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esp_err_t console_uart_init(void)
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{
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esp_err_t ret;
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ret = uart_param_config(CONSOLE_UART_NUM, &uart_cfg);
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if (ret != ESP_OK) {
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ESP_LOGE(TAG_CNSL, "Uart %d initialize err %04x", CONSOLE_UART_NUM, ret);
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return ret;
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}
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uart_set_pin(CONSOLE_UART_NUM, UART_PIN_NO_CHANGE, UART_PIN_NO_CHANGE, UART_PIN_NO_CHANGE, UART_PIN_NO_CHANGE);
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uart_driver_install(CONSOLE_UART_NUM, 1024, 1024, 8, &uart_queue, 0);
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xTaskCreate(console_uart_task, "uTask", 2048, NULL, 8, NULL);
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return ESP_OK;
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}
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