ESP-IDF
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Outline
#include <stdio.h>
#include <ctype.h>
#include "esp_log.h"
#include <string.h>
#include <esp_log.h>
#include <esp_console.h>
#include <freertos/FreeRTOS.h>
#include <freertos/task.h>
#include <freertos/queue.h>
#include <driver/uart.h>
#include "esp_peripheral.h"
#define BLE_RX_TIMEOUT
cli_task
cli_handle
stop
enter_passkey_handler(int, char **)
scli_receive_key(int *)
cmds
ble_register_cli()
scli_task(void *)
scli_init()
Files
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SourceVuESP-IDF Framework and ExamplesESP-IDFexamples/bluetooth/nimble/common/nimble_peripheral_utils/scli.c
 
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/* * SPDX-FileCopyrightText: 2021-2022 Espressif Systems (Shanghai) CO LTD * * SPDX-License-Identifier: Unlicense OR CC0-1.0 *//* ... */ #include <stdio.h> #include <ctype.h> #include "esp_log.h" #include <string.h> #include <esp_log.h> #include <esp_console.h> #include <freertos/FreeRTOS.h> #include <freertos/task.h> #include <freertos/queue.h> #include <driver/uart.h> #include "esp_peripheral.h"11 includes #define BLE_RX_TIMEOUT (30000 / portTICK_PERIOD_MS) static TaskHandle_t cli_task; static QueueHandle_t cli_handle; static int stop; static int enter_passkey_handler(int argc, char *argv[]) { int key; char pkey[8]; int num; if (argc != 2) { return -1; }{...} sscanf(argv[1], "%s", pkey); ESP_LOGI("You entered", "%s %s", argv[0], argv[1]); num = pkey[0]; if (isalpha(num)) { if ((strcasecmp(pkey, "Y") == 0) || (strcasecmp(pkey, "Yes") == 0)) { key = 1; xQueueSend(cli_handle, &key, 0); }{...} else { key = 0; xQueueSend(cli_handle, &key, 0); }{...} }{...} else { sscanf(pkey, "%d", &key); xQueueSend(cli_handle, &key, 0); }{...} return 0; }{ ... } int scli_receive_key(int *console_key) { return xQueueReceive(cli_handle, console_key, BLE_RX_TIMEOUT); }{ ... } static esp_console_cmd_t cmds[] = { { .command = "key", .help = "", .func = enter_passkey_handler, }{...}, }{...}; static int ble_register_cli(void) { int cmds_num = sizeof(cmds) / sizeof(esp_console_cmd_t); int i; for (i = 0; i < cmds_num; i++) { esp_console_cmd_register(&cmds[i]); }{...} return 0; }{ ... } static void scli_task(void *arg) { int uart_num = (int) arg; uint8_t linebuf[256]; int i, cmd_ret; esp_err_t ret; QueueHandle_t uart_queue; uart_event_t event; uart_driver_install(uart_num, 256, 0, 8, &uart_queue, 0); /* Initialize the console */ esp_console_config_t console_config = { .max_cmdline_args = 8, .max_cmdline_length = 256, }{...}; esp_console_init(&console_config); while (!stop) { i = 0; memset(linebuf, 0, sizeof(linebuf)); do { ret = xQueueReceive(uart_queue, (void * )&event, (TickType_t)portMAX_DELAY); if (ret != pdPASS) { if (stop == 1) { break; }{...} else { continue; }{...} }{...} if (event.type == UART_DATA) { while (uart_read_bytes(uart_num, (uint8_t *) &linebuf[i], 1, 0)) { if (linebuf[i] == '\r') { uart_write_bytes(uart_num, "\r\n", 2); }{...} else { uart_write_bytes(uart_num, (char *) &linebuf[i], 1); }{...} i++; }{...} }{...} }{...} while ((i < 255) && linebuf[i - 1] != '\r'); if (stop) { break; }{...} /* Remove the truncating \r\n */ linebuf[strlen((char *)linebuf) - 1] = '\0'; ret = esp_console_run((char *) linebuf, &cmd_ret); if (ret < 0) { break; }{...} }{...} vTaskDelete(NULL); }{ ... } int scli_init(void) { /* Register CLI "key <value>" to accept input from user during pairing */ ble_register_cli(); xTaskCreate(scli_task, "scli_cli", 4096, (void *) 0, 3, &cli_task); if (cli_task == NULL) { return ESP_FAIL; }{...} cli_handle = xQueueCreate( 1, sizeof(int) ); if (cli_handle == NULL) { return ESP_FAIL; }{...} return ESP_OK; }{ ... }
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