Files
CaCO3 2986c6122d Add Web Interface and REST auth (#3436)
* Ported https://github.com/jomjol/AI-on-the-edge-device/pull/2241 to latest main and extended it for all REST APIs

* .

* fix compile errors

* .

* .

* Update Changelog.md

* Update Changelog.md

---------

Co-authored-by: CaCO3 <caco@ruinelli.ch>
Co-authored-by: michael <Heinrich-Tuning@web.de>
2024-12-25 20:49:47 +01:00

707 lines
23 KiB
C++

#include <string>
#include <functional>
#include "string.h"
#include <string.h>
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "esp_system.h"
#include "esp_log.h"
#include <sys/stat.h>
#include <vector>
#include "../../include/defines.h"
#include "server_GPIO.h"
#include "ClassLogFile.h"
#include "configFile.h"
#include "Helper.h"
#ifdef ENABLE_MQTT
#include "interface_mqtt.h"
#include "server_mqtt.h"
#endif //ENABLE_MQTT
#include "basic_auth.h"
static const char *TAG = "GPIO";
QueueHandle_t gpio_queue_handle = NULL;
GpioPin::GpioPin(gpio_num_t gpio, const char* name, gpio_pin_mode_t mode, gpio_int_type_t interruptType, uint8_t dutyResolution, std::string mqttTopic, bool httpEnable)
{
_gpio = gpio;
_name = name;
_mode = mode;
_interruptType = interruptType;
_mqttTopic = mqttTopic;
}
GpioPin::~GpioPin()
{
ESP_LOGD(TAG,"reset GPIO pin %d", _gpio);
if (_interruptType != GPIO_INTR_DISABLE) {
//hook isr handler for specific gpio pin
gpio_isr_handler_remove(_gpio);
}
gpio_reset_pin(_gpio);
}
static void IRAM_ATTR gpio_isr_handler(void* arg)
{
GpioResult gpioResult;
gpioResult.gpio = *(gpio_num_t*) arg;
gpioResult.value = gpio_get_level(gpioResult.gpio);
BaseType_t ContextSwitchRequest = pdFALSE;
xQueueSendToBackFromISR(gpio_queue_handle,(void*)&gpioResult,&ContextSwitchRequest);
if(ContextSwitchRequest){
taskYIELD();
}
}
static void gpioHandlerTask(void *arg) {
ESP_LOGD(TAG,"start interrupt task");
while(1){
if(uxQueueMessagesWaiting(gpio_queue_handle)){
while(uxQueueMessagesWaiting(gpio_queue_handle)){
GpioResult gpioResult;
xQueueReceive(gpio_queue_handle,(void*)&gpioResult,10);
ESP_LOGD(TAG,"gpio: %d state: %d", gpioResult.gpio, gpioResult.value);
((GpioHandler*)arg)->gpioInterrupt(&gpioResult);
}
}
((GpioHandler*)arg)->taskHandler();
vTaskDelay(pdMS_TO_TICKS(1000));
}
}
void GpioPin::gpioInterrupt(int value) {
#ifdef ENABLE_MQTT
if (_mqttTopic.compare("") != 0) {
ESP_LOGD(TAG, "gpioInterrupt %s %d", _mqttTopic.c_str(), value);
MQTTPublish(_mqttTopic, value ? "true" : "false", 1);
}
#endif //ENABLE_MQTT
currentState = value;
}
void GpioPin::init()
{
gpio_config_t io_conf;
//set interrupt
io_conf.intr_type = _interruptType;
//set as output mode
io_conf.mode = (_mode == GPIO_PIN_MODE_OUTPUT) || (_mode == GPIO_PIN_MODE_BUILT_IN_FLASH_LED) ? gpio_mode_t::GPIO_MODE_OUTPUT : gpio_mode_t::GPIO_MODE_INPUT;
//bit mask of the pins that you want to set,e.g.GPIO18/19
io_conf.pin_bit_mask = (1ULL << _gpio);
//set pull-down mode
io_conf.pull_down_en = _mode == GPIO_PIN_MODE_INPUT_PULLDOWN ? gpio_pulldown_t::GPIO_PULLDOWN_ENABLE : gpio_pulldown_t::GPIO_PULLDOWN_DISABLE;
//set pull-up mode
io_conf.pull_up_en = _mode == GPIO_PIN_MODE_INPUT_PULLDOWN ? gpio_pullup_t::GPIO_PULLUP_ENABLE : gpio_pullup_t::GPIO_PULLUP_DISABLE;
//configure GPIO with the given settings
gpio_config(&io_conf);
// if (_interruptType != GPIO_INTR_DISABLE) { // ohne GPIO_PIN_MODE_EXTERNAL_FLASH_WS281X, wenn das genutzt wird, dann soll auch der Handler hier nicht initialisiert werden, da das dann über SmartLED erfolgt.
if ((_interruptType != GPIO_INTR_DISABLE) && (_interruptType != GPIO_PIN_MODE_EXTERNAL_FLASH_WS281X)) {
//hook isr handler for specific gpio pin
ESP_LOGD(TAG, "GpioPin::init add isr handler for GPIO %d", _gpio);
gpio_isr_handler_add(_gpio, gpio_isr_handler, (void*)&_gpio);
}
#ifdef ENABLE_MQTT
if ((_mqttTopic.compare("") != 0) && ((_mode == GPIO_PIN_MODE_OUTPUT) || (_mode == GPIO_PIN_MODE_OUTPUT_PWM) || (_mode == GPIO_PIN_MODE_BUILT_IN_FLASH_LED))) {
std::function<bool(std::string, char*, int)> f = std::bind(&GpioPin::handleMQTT, this, std::placeholders::_1, std::placeholders::_2, std::placeholders::_3);
MQTTregisterSubscribeFunction(_mqttTopic, f);
}
#endif //ENABLE_MQTT
}
bool GpioPin::getValue(std::string* errorText)
{
if ((_mode != GPIO_PIN_MODE_INPUT) && (_mode != GPIO_PIN_MODE_INPUT_PULLUP) && (_mode != GPIO_PIN_MODE_INPUT_PULLDOWN)) {
(*errorText) = "GPIO is not in input mode";
}
return gpio_get_level(_gpio) == 1;
}
void GpioPin::setValue(bool value, gpio_set_source setSource, std::string* errorText)
{
ESP_LOGD(TAG, "GpioPin::setValue %d", value);
if ((_mode != GPIO_PIN_MODE_OUTPUT) && (_mode != GPIO_PIN_MODE_OUTPUT_PWM) && (_mode != GPIO_PIN_MODE_BUILT_IN_FLASH_LED)) {
(*errorText) = "GPIO is not in output mode";
} else {
gpio_set_level(_gpio, value);
#ifdef ENABLE_MQTT
if ((_mqttTopic.compare("") != 0) && (setSource != GPIO_SET_SOURCE_MQTT)) {
MQTTPublish(_mqttTopic, value ? "true" : "false", 1);
}
#endif //ENABLE_MQTT
}
}
void GpioPin::publishState() {
int newState = gpio_get_level(_gpio);
if (newState != currentState) {
ESP_LOGD(TAG,"publish state of GPIO %d new state %d", _gpio, newState);
#ifdef ENABLE_MQTT
if (_mqttTopic.compare("") != 0)
MQTTPublish(_mqttTopic, newState ? "true" : "false", 1);
#endif //ENABLE_MQTT
currentState = newState;
}
}
#ifdef ENABLE_MQTT
bool GpioPin::handleMQTT(std::string, char* data, int data_len) {
ESP_LOGD(TAG, "GpioPin::handleMQTT data %.*s", data_len, data);
std::string dataStr(data, data_len);
dataStr = toLower(dataStr);
std::string errorText = "";
if ((dataStr == "true") || (dataStr == "1")) {
setValue(true, GPIO_SET_SOURCE_MQTT, &errorText);
} else if ((dataStr == "false") || (dataStr == "0")) {
setValue(false, GPIO_SET_SOURCE_MQTT, &errorText);
} else {
errorText = "wrong value ";
errorText.append(data, data_len);
}
if (errorText != "") {
ESP_LOGE(TAG, "%s", errorText.c_str());
}
return (errorText == "");
}
#endif //ENABLE_MQTT
esp_err_t callHandleHttpRequest(httpd_req_t *req)
{
ESP_LOGD(TAG,"callHandleHttpRequest");
GpioHandler *gpioHandler = (GpioHandler*)req->user_ctx;
return gpioHandler->handleHttpRequest(req);
}
void taskGpioHandler(void *pvParameter)
{
ESP_LOGD(TAG,"taskGpioHandler");
((GpioHandler*)pvParameter)->init();
}
GpioHandler::GpioHandler(std::string configFile, httpd_handle_t httpServer)
{
ESP_LOGI(TAG,"start GpioHandler");
_configFile = configFile;
_httpServer = httpServer;
ESP_LOGI(TAG, "register GPIO Uri");
registerGpioUri();
}
GpioHandler::~GpioHandler() {
if (gpioMap != NULL) {
clear();
delete gpioMap;
}
}
void GpioHandler::init()
{
// TickType_t xDelay = 60000 / portTICK_PERIOD_MS;
// ESP_LOGD(TAG, "wait before start %ldms", (long) xDelay);
// vTaskDelay( xDelay );
ESP_LOGD(TAG, "*************** Start GPIOHandler_Init *****************");
if (gpioMap == NULL) {
gpioMap = new std::map<gpio_num_t, GpioPin*>();
} else {
clear();
}
ESP_LOGI(TAG, "read GPIO config and init GPIO");
if (!readConfig()) {
clear();
delete gpioMap;
gpioMap = NULL;
ESP_LOGI(TAG, "GPIO init completed, handler is disabled");
return;
}
for(std::map<gpio_num_t, GpioPin*>::iterator it = gpioMap->begin(); it != gpioMap->end(); ++it) {
it->second->init();
}
#ifdef ENABLE_MQTT
std::function<void()> f = std::bind(&GpioHandler::handleMQTTconnect, this);
MQTTregisterConnectFunction("gpio-handler", f);
#endif //ENABLE_MQTT
if (xHandleTaskGpio == NULL) {
gpio_queue_handle = xQueueCreate(10,sizeof(GpioResult));
BaseType_t xReturned = xTaskCreate(&gpioHandlerTask, "gpio_int", 3 * 1024, (void *)this, tskIDLE_PRIORITY + 4, &xHandleTaskGpio);
if(xReturned == pdPASS ) {
ESP_LOGD(TAG, "xHandletaskGpioHandler started");
} else {
ESP_LOGD(TAG, "xHandletaskGpioHandler not started %d ", (int)xHandleTaskGpio);
}
}
ESP_LOGI(TAG, "GPIO init completed, is enabled");
}
void GpioHandler::taskHandler() {
if (gpioMap != NULL) {
for(std::map<gpio_num_t, GpioPin*>::iterator it = gpioMap->begin(); it != gpioMap->end(); ++it) {
if ((it->second->getInterruptType() == GPIO_INTR_DISABLE))
it->second->publishState();
}
}
}
#ifdef ENABLE_MQTT
void GpioHandler::handleMQTTconnect()
{
if (gpioMap != NULL) {
for(std::map<gpio_num_t, GpioPin*>::iterator it = gpioMap->begin(); it != gpioMap->end(); ++it) {
if ((it->second->getMode() == GPIO_PIN_MODE_INPUT) || (it->second->getMode() == GPIO_PIN_MODE_INPUT_PULLDOWN) || (it->second->getMode() == GPIO_PIN_MODE_INPUT_PULLUP))
it->second->publishState();
}
}
}
#endif //ENABLE_MQTT
void GpioHandler::deinit() {
#ifdef ENABLE_MQTT
MQTTunregisterConnectFunction("gpio-handler");
#endif //ENABLE_MQTT
clear();
if (xHandleTaskGpio != NULL) {
vTaskDelete(xHandleTaskGpio);
xHandleTaskGpio = NULL;
}
}
void GpioHandler::gpioInterrupt(GpioResult* gpioResult) {
if ((gpioMap != NULL) && (gpioMap->find(gpioResult->gpio) != gpioMap->end())) {
(*gpioMap)[gpioResult->gpio]->gpioInterrupt(gpioResult->value);
}
}
bool GpioHandler::readConfig()
{
if (!gpioMap->empty())
clear();
ConfigFile configFile = ConfigFile(_configFile);
std::vector<std::string> splitted;
std::string line = "";
bool disabledLine = false;
bool eof = false;
gpio_num_t gpioExtLED = (gpio_num_t) 0;
// ESP_LOGD(TAG, "readConfig - Start 1");
while ((!configFile.GetNextParagraph(line, disabledLine, eof) || (line.compare("[GPIO]") != 0)) && !eof) {}
if (eof)
return false;
// ESP_LOGD(TAG, "readConfig - Start 2 line: %s, disabbledLine: %d", line.c_str(), (int) disabledLine);
_isEnabled = !disabledLine;
if (!_isEnabled)
return false;
// ESP_LOGD(TAG, "readConfig - Start 3");
#ifdef ENABLE_MQTT
// std::string mainTopicMQTT = "";
std::string mainTopicMQTT = mqttServer_getMainTopic();
if (mainTopicMQTT.length() > 0)
{
mainTopicMQTT = mainTopicMQTT + "/GPIO";
ESP_LOGD(TAG, "MAINTOPICMQTT found");
}
#endif // ENABLE_MQTT
bool registerISR = false;
while (configFile.getNextLine(&line, disabledLine, eof) && !configFile.isNewParagraph(line))
{
splitted = ZerlegeZeile(line);
// const std::regex pieces_regex("IO([0-9]{1,2})");
// std::smatch pieces_match;
// if (std::regex_match(splitted[0], pieces_match, pieces_regex) && (pieces_match.size() == 2))
// {
// std::string gpioStr = pieces_match[1];
ESP_LOGD(TAG, "conf param %s", toUpper(splitted[0]).c_str());
if (toUpper(splitted[0]) == "MAINTOPICMQTT") {
// ESP_LOGD(TAG, "MAINTOPICMQTT found");
// mainTopicMQTT = splitted[1];
} else if ((splitted[0].rfind("IO", 0) == 0) && (splitted.size() >= 6))
{
ESP_LOGI(TAG,"Enable GP%s in %s mode", splitted[0].c_str(), splitted[1].c_str());
std::string gpioStr = splitted[0].substr(2, 2);
gpio_num_t gpioNr = (gpio_num_t)atoi(gpioStr.c_str());
gpio_pin_mode_t pinMode = resolvePinMode(toLower(splitted[1]));
gpio_int_type_t intType = resolveIntType(toLower(splitted[2]));
uint16_t dutyResolution = (uint8_t)atoi(splitted[3].c_str());
#ifdef ENABLE_MQTT
bool mqttEnabled = (toLower(splitted[4]) == "true");
#endif // ENABLE_MQTT
bool httpEnabled = (toLower(splitted[5]) == "true");
char gpioName[100];
if (splitted.size() >= 7) {
strcpy(gpioName, trim(splitted[6]).c_str());
} else {
sprintf(gpioName, "GPIO%d", gpioNr);
}
#ifdef ENABLE_MQTT
std::string mqttTopic = mqttEnabled ? (mainTopicMQTT + "/" + gpioName) : "";
#else // ENABLE_MQTT
std::string mqttTopic = "";
#endif // ENABLE_MQTT
GpioPin* gpioPin = new GpioPin(gpioNr, gpioName, pinMode, intType,dutyResolution, mqttTopic, httpEnabled);
(*gpioMap)[gpioNr] = gpioPin;
if (pinMode == GPIO_PIN_MODE_EXTERNAL_FLASH_WS281X)
{
ESP_LOGD(TAG, "Set WS2812 to GPIO %d", gpioNr);
gpioExtLED = gpioNr;
}
if (intType != GPIO_INTR_DISABLE) {
registerISR = true;
}
}
if (toUpper(splitted[0]) == "LEDNUMBERS")
{
LEDNumbers = stoi(splitted[1]);
}
if (toUpper(splitted[0]) == "LEDCOLOR")
{
uint8_t _r, _g, _b;
_r = stoi(splitted[1]);
_g = stoi(splitted[2]);
_b = stoi(splitted[3]);
LEDColor = Rgb{_r, _g, _b};
}
if (toUpper(splitted[0]) == "LEDTYPE")
{
if (splitted[1] == "WS2812")
LEDType = LED_WS2812;
if (splitted[1] == "WS2812B")
LEDType = LED_WS2812B;
if (splitted[1] == "SK6812")
LEDType = LED_SK6812;
if (splitted[1] == "WS2813")
LEDType = LED_WS2813;
}
}
if (registerISR) {
//install gpio isr service
gpio_install_isr_service(ESP_INTR_FLAG_LOWMED | ESP_INTR_FLAG_IRAM);
}
if (gpioExtLED > 0)
{
// LogFile.WriteToFile(ESP_LOG_INFO, TAG, "Startsequence 06"); // Nremove
// vTaskDelay( xDelay );
// xDelay = 5000 / portTICK_PERIOD_MS;
// ESP_LOGD(TAG, "main: sleep for: %ldms", (long) xDelay);
// SmartLed leds( LED_WS2812, 2, GPIO_NUM_12, 0, DoubleBuffer );
// leds[ 0 ] = Rgb{ 255, 0, 0 };
// leds[ 1 ] = Rgb{ 255, 255, 255 };
// leds.show();
// SmartLed leds = new SmartLed(LEDType, LEDNumbers, gpioExtLED, 0, DoubleBuffer);
// _SmartLED = new SmartLed( LED_WS2812, 2, GPIO_NUM_12, 0, DoubleBuffer );
}
return true;
}
void GpioHandler::clear()
{
ESP_LOGD(TAG, "GpioHandler::clear");
if (gpioMap != NULL) {
for(std::map<gpio_num_t, GpioPin*>::iterator it = gpioMap->begin(); it != gpioMap->end(); ++it) {
delete it->second;
}
gpioMap->clear();
}
// gpio_uninstall_isr_service(); can't uninstall, isr service is used by camera
}
void GpioHandler::registerGpioUri()
{
ESP_LOGI(TAG, "server_GPIO - Registering URI handlers");
httpd_uri_t camuri = { };
camuri.method = HTTP_GET;
camuri.uri = "/GPIO";
camuri.handler = APPLY_BASIC_AUTH_FILTER(callHandleHttpRequest);
camuri.user_ctx = (void*)this;
httpd_register_uri_handler(_httpServer, &camuri);
}
esp_err_t GpioHandler::handleHttpRequest(httpd_req_t *req)
{
ESP_LOGD(TAG, "handleHttpRequest");
if (gpioMap == NULL) {
std::string resp_str = "GPIO handler not initialized";
httpd_resp_send(req, resp_str.c_str(), resp_str.length());
return ESP_OK;
}
#ifdef DEBUG_DETAIL_ON
LogFile.WriteHeapInfo("handler_switch_GPIO - Start");
#endif
LogFile.WriteToFile(ESP_LOG_DEBUG, TAG, "handler_switch_GPIO");
char _query[200];
char _valueGPIO[30];
char _valueStatus[30];
std::string gpio, status;
if (httpd_req_get_url_query_str(req, _query, 200) == ESP_OK) {
ESP_LOGD(TAG, "Query: %s", _query);
if (httpd_query_key_value(_query, "GPIO", _valueGPIO, 30) == ESP_OK)
{
ESP_LOGD(TAG, "GPIO is found %s", _valueGPIO);
gpio = std::string(_valueGPIO);
} else {
std::string resp_str = "GPIO No is not defined";
httpd_resp_send(req, resp_str.c_str(), resp_str.length());
return ESP_OK;
}
if (httpd_query_key_value(_query, "Status", _valueStatus, 30) == ESP_OK)
{
ESP_LOGD(TAG, "Status is found %s", _valueStatus);
status = std::string(_valueStatus);
}
} else {
const char* resp_str = "Error in call. Use /GPIO?GPIO=12&Status=high";
httpd_resp_send(req, resp_str, strlen(resp_str));
return ESP_OK;
}
status = toUpper(status);
if ((status != "HIGH") && (status != "LOW") && (status != "TRUE") && (status != "FALSE") && (status != "0") && (status != "1") && (status != ""))
{
std::string zw = "Status not valid: " + status;
httpd_resp_sendstr_chunk(req, zw.c_str());
httpd_resp_sendstr_chunk(req, NULL);
return ESP_OK;
}
int gpionum = stoi(gpio);
// frei: 16; 12-15; 2; 4 // nur 12 und 13 funktionieren 2: reboot, 4: BlitzLED, 15: PSRAM, 14/15: DMA für SDKarte ???
gpio_num_t gpio_num = resolvePinNr(gpionum);
if (gpio_num == GPIO_NUM_NC)
{
std::string zw = "GPIO" + std::to_string(gpionum) + " unsupported - only 12 & 13 free";
httpd_resp_sendstr_chunk(req, zw.c_str());
httpd_resp_sendstr_chunk(req, NULL);
return ESP_OK;
}
if (gpioMap->count(gpio_num) == 0) {
char resp_str [30];
sprintf(resp_str, "GPIO%d is not registred", gpio_num);
httpd_resp_send(req, resp_str, strlen(resp_str));
return ESP_OK;
}
if (status == "")
{
std::string resp_str = "";
status = (*gpioMap)[gpio_num]->getValue(&resp_str) ? "HIGH" : "LOW";
if (resp_str == "") {
resp_str = status;
}
httpd_resp_sendstr_chunk(req, resp_str.c_str());
httpd_resp_sendstr_chunk(req, NULL);
}
else
{
std::string resp_str = "";
(*gpioMap)[gpio_num]->setValue((status == "HIGH") || (status == "TRUE") || (status == "1"), GPIO_SET_SOURCE_HTTP, &resp_str);
if (resp_str == "") {
resp_str = "GPIO" + std::to_string(gpionum) + " switched to " + status;
}
httpd_resp_sendstr_chunk(req, resp_str.c_str());
httpd_resp_sendstr_chunk(req, NULL);
}
return ESP_OK;
};
void GpioHandler::flashLightEnable(bool value)
{
ESP_LOGD(TAG, "GpioHandler::flashLightEnable %s", value ? "true" : "false");
if (gpioMap != NULL) {
for(std::map<gpio_num_t, GpioPin*>::iterator it = gpioMap->begin(); it != gpioMap->end(); ++it)
{
if (it->second->getMode() == GPIO_PIN_MODE_BUILT_IN_FLASH_LED) //|| (it->second->getMode() == GPIO_PIN_MODE_EXTERNAL_FLASH_PWM) || (it->second->getMode() == GPIO_PIN_MODE_EXTERNAL_FLASH_WS281X))
{
std::string resp_str = "";
it->second->setValue(value, GPIO_SET_SOURCE_INTERNAL, &resp_str);
if (resp_str == "") {
ESP_LOGD(TAG, "Flash light pin GPIO %d switched to %s", (int)it->first, (value ? "on" : "off"));
} else {
ESP_LOGE(TAG, "Can't set flash light pin GPIO %d. Error: %s", (int)it->first, resp_str.c_str());
}
} else
{
if (it->second->getMode() == GPIO_PIN_MODE_EXTERNAL_FLASH_WS281X)
{
#ifdef __LEDGLOBAL
if (leds_global == NULL) {
ESP_LOGI(TAG, "init SmartLed: LEDNumber=%d, GPIO=%d", LEDNumbers, (int)it->second->getGPIO());
leds_global = new SmartLed( LEDType, LEDNumbers, it->second->getGPIO(), 0, DoubleBuffer );
} else {
// wait until we can update: https://github.com/RoboticsBrno/SmartLeds/issues/10#issuecomment-386921623
leds_global->wait();
}
#else
SmartLed leds( LEDType, LEDNumbers, it->second->getGPIO(), 0, DoubleBuffer );
#endif
if (value)
{
for (int i = 0; i < LEDNumbers; ++i)
#ifdef __LEDGLOBAL
(*leds_global)[i] = LEDColor;
#else
leds[i] = LEDColor;
#endif
}
else
{
for (int i = 0; i < LEDNumbers; ++i)
#ifdef __LEDGLOBAL
(*leds_global)[i] = Rgb{0, 0, 0};
#else
leds[i] = Rgb{0, 0, 0};
#endif
}
#ifdef __LEDGLOBAL
leds_global->show();
#else
leds.show();
#endif
}
}
}
}
}
gpio_num_t GpioHandler::resolvePinNr(uint8_t pinNr)
{
switch(pinNr) {
case 0:
return GPIO_NUM_0;
case 1:
return GPIO_NUM_1;
case 3:
return GPIO_NUM_3;
case 4:
return GPIO_NUM_4;
case 12:
return GPIO_NUM_12;
case 13:
return GPIO_NUM_13;
default:
return GPIO_NUM_NC;
}
}
gpio_pin_mode_t GpioHandler::resolvePinMode(std::string input)
{
if( input == "disabled" ) return GPIO_PIN_MODE_DISABLED;
if( input == "input" ) return GPIO_PIN_MODE_INPUT;
if( input == "input-pullup" ) return GPIO_PIN_MODE_INPUT_PULLUP;
if( input == "input-pulldown" ) return GPIO_PIN_MODE_INPUT_PULLDOWN;
if( input == "output" ) return GPIO_PIN_MODE_OUTPUT;
if( input == "built-in-led" ) return GPIO_PIN_MODE_BUILT_IN_FLASH_LED;
if( input == "output-pwm" ) return GPIO_PIN_MODE_OUTPUT_PWM;
if( input == "external-flash-pwm" ) return GPIO_PIN_MODE_EXTERNAL_FLASH_PWM;
if( input == "external-flash-ws281x" ) return GPIO_PIN_MODE_EXTERNAL_FLASH_WS281X;
return GPIO_PIN_MODE_DISABLED;
}
gpio_int_type_t GpioHandler::resolveIntType(std::string input)
{
if( input == "disabled" ) return GPIO_INTR_DISABLE;
if( input == "rising-edge" ) return GPIO_INTR_POSEDGE;
if( input == "falling-edge" ) return GPIO_INTR_NEGEDGE;
if( input == "rising-and-falling" ) return GPIO_INTR_ANYEDGE ;
if( input == "low-level-trigger" ) return GPIO_INTR_LOW_LEVEL;
if( input == "high-level-trigger" ) return GPIO_INTR_HIGH_LEVEL;
return GPIO_INTR_DISABLE;
}
static GpioHandler *gpioHandler = NULL;
void gpio_handler_create(httpd_handle_t server)
{
if (gpioHandler == NULL)
gpioHandler = new GpioHandler(CONFIG_FILE, server);
}
void gpio_handler_init()
{
if (gpioHandler != NULL) {
gpioHandler->init();
}
}
void gpio_handler_deinit() {
if (gpioHandler != NULL) {
gpioHandler->deinit();
}
}
void gpio_handler_destroy()
{
if (gpioHandler != NULL) {
gpio_handler_deinit();
delete gpioHandler;
gpioHandler = NULL;
}
}
GpioHandler* gpio_handler_get()
{
return gpioHandler;
}