Thies Mueller
109 lines
2.3 KiB
Plaintext
109 lines
2.3 KiB
Plaintext
#include <WiFi.h>
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#include <WebServer.h>
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#include "driver/rmt.h"
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#include "signals.h"
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#define TX_PIN 17
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#define EN_PIN 16
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#define RMT_CHANNEL RMT_CHANNEL_0
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#define CLK_DIV 80
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const char* ssid = "RegattaTech.DE";
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const char* password = "<hierdaspasswort>";
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WebServer server(80);
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rmt_item32_t items[64];
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void setupRMT() {
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rmt_config_t config = {};
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config.rmt_mode = RMT_MODE_TX;
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config.channel = RMT_CHANNEL;
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config.gpio_num = (gpio_num_t)TX_PIN;
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config.clk_div = CLK_DIV;
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config.mem_block_num = 1;
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config.tx_config.loop_en = false;
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config.tx_config.carrier_en = false;
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config.tx_config.idle_level = RMT_IDLE_LEVEL_LOW;
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config.tx_config.idle_output_en = true;
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rmt_config(&config);
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rmt_driver_install(RMT_CHANNEL, 0, 0);
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}
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void sendSignal(const int* rawSignal, int RAW_LEN) {
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digitalWrite(EN_PIN, HIGH);
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delayMicroseconds(300);
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int idx = 0;
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while (idx < RAW_LEN - 1) {
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int itemCount = 0;
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while (itemCount < 64 && idx < RAW_LEN - 1) {
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items[itemCount].level0 = rawSignal[idx] > 0 ? 1 : 0;
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items[itemCount].duration0 = abs(rawSignal[idx]);
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items[itemCount].level1 = rawSignal[idx+1] > 0 ? 1 : 0;
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items[itemCount].duration1 = abs(rawSignal[idx+1]);
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idx += 2;
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itemCount++;
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}
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rmt_write_items(RMT_CHANNEL, items, itemCount, true);
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rmt_wait_tx_done(RMT_CHANNEL, portMAX_DELAY);
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}
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digitalWrite(EN_PIN, LOW);
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}
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void handleCall() {
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String uri = server.uri(); // /call/P101
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String name = uri.substring(6);
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for (int i = 0; i < SIGNAL_COUNT; i++) {
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if (name.equals(signals[i].name)) {
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sendSignal(signals[i].data, signals[i].len);
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server.send(200, "text/plain", "OK");
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return;
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}
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}
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server.send(404, "text/plain", "Not found");
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}
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void setup() {
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Serial.begin(115200);
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pinMode(EN_PIN, OUTPUT);
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digitalWrite(EN_PIN, LOW);
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setupRMT();
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WiFi.begin(ssid, password);
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Serial.print("Connecting WiFi");
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while (WiFi.status() != WL_CONNECTED) {
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delay(500);
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Serial.print(".");
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}
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Serial.println("\nConnected!");
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Serial.println(WiFi.localIP());
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server.onNotFound([](){
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if (server.uri().startsWith("/call/")) {
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handleCall();
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} else {
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server.send(404, "text/plain", "Invalid endpoint");
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}
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});
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server.begin();
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}
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void loop() {
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server.handleClient();
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}
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