esp-idf/examples/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"
#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;
}