Files
AI-on-the-edge-device/code/components/jomjol_controlGPIO/server_GPIO.cpp
2021-01-05 07:49:58 +01:00

125 lines
3.6 KiB
C++

#include <string>
#include "string.h"
#include <string.h>
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "esp_system.h"
#include "esp_event.h"
#include "esp_log.h"
#include "driver/gpio.h"
//#include "errno.h"
#include <sys/stat.h>
#include "server_GPIO.h"
#include "ClassLogFile.h"
#include "Helper.h"
// #define DEBUG_DETAIL_ON
esp_err_t handler_switch_GPIO(httpd_req_t *req)
{
#ifdef DEBUG_DETAIL_ON
LogFile.WriteHeapInfo("handler_switch_GPIO - Start");
#endif
LogFile.WriteToFile("handler_switch_GPIO");
char _query[200];
char _valueGPIO[30];
char _valueStatus[30];
std::string gpio, status, zw;
int gpionum = 0;
gpio_num_t gpio_num;
if (httpd_req_get_url_query_str(req, _query, 200) == ESP_OK)
{
printf("Query: "); printf(_query); printf("\n");
if (httpd_query_key_value(_query, "GPIO", _valueGPIO, 30) == ESP_OK)
{
printf("GPIO is found"); printf(_valueGPIO); printf("\n");
gpio = std::string(_valueGPIO);
}
if (httpd_query_key_value(_query, "Status", _valueStatus, 30) == ESP_OK)
{
printf("Status is found"); printf(_valueStatus); printf("\n");
status = std::string(_valueStatus);
}
};
status = toUpper(status);
if (!(status == "HIGH") && !(status == "LOW"))
{
zw = "Status not valid: " + status;;
httpd_resp_sendstr_chunk(req, zw.c_str());
httpd_resp_sendstr_chunk(req, NULL);
return ESP_OK;
}
gpionum = stoi(gpio);
// frei: 16; 12-15; 2; 4 // nur 12 und 13 funktionieren 2: reboot, 4: BlitzLED, 14/15: DMA für SDKarte ???
switch (gpionum) {
case 12:
gpio_num = GPIO_NUM_12;
break;
case 13:
gpio_num = GPIO_NUM_13;
break;
default:
zw = "GPIO" + std::to_string(gpionum) + " not support - only 12 & 13 free";
httpd_resp_sendstr_chunk(req, zw.c_str());
httpd_resp_sendstr_chunk(req, NULL);
return ESP_OK;
}
if (status == "HIGH")
gpio_set_level(gpio_num, 1);
else
gpio_set_level(gpio_num, 0);
zw = "GPIO" + std::to_string(gpionum) + " switched to " + status;
httpd_resp_sendstr_chunk(req, zw.c_str());
httpd_resp_sendstr_chunk(req, NULL);
return ESP_OK;
};
void initGPIO()
{
gpio_config_t io_conf;
//disable interrupt
io_conf.intr_type = GPIO_INTR_DISABLE;
//set as output mode
io_conf.mode = GPIO_MODE_OUTPUT;
//bit mask of the pins that you want to set,e.g.GPIO18/19
// io_conf.pin_bit_mask = ((1ULL<<GPIO_OUTPUT_IO_0) | (1ULL<<GPIO_OUTPUT_IO_1));
// io_conf.pin_bit_mask = ((1ULL << GPIO_NUM_12) | (1ULL << GPIO_NUM_2) | (1ULL << GPIO_NUM_4) | (1ULL << GPIO_NUM_12) | (1ULL << GPIO_NUM_13) | (1ULL << GPIO_NUM_14) | (1ULL << GPIO_NUM_15));
io_conf.pin_bit_mask = ((1ULL << GPIO_NUM_12) | (1ULL << GPIO_NUM_13));
//disable pull-down mode
io_conf.pull_down_en = (gpio_pulldown_t) 0;
//disable pull-up mode
io_conf.pull_up_en = (gpio_pullup_t) 0;
//configure GPIO with the given settings
gpio_config(&io_conf);
}
void register_server_GPIO_uri(httpd_handle_t server)
{
ESP_LOGI(TAGPARTGPIO, "server_GPIO - Registering URI handlers");
httpd_uri_t camuri = { };
camuri.method = HTTP_GET;
camuri.uri = "/GPIO";
camuri.handler = handler_switch_GPIO;
camuri.user_ctx = (void*) "switch GPIO";
httpd_register_uri_handler(server, &camuri);
initGPIO();
}