WLED/wled00/remote.cpp

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#include "wled.h"
#ifndef WLED_DISABLE_ESPNOW
#define NIGHT_MODE_DEACTIVATED -1
#define NIGHT_MODE_BRIGHTNESS 5
#define WIZMOTE_BUTTON_ON 1
#define WIZMOTE_BUTTON_OFF 2
#define WIZMOTE_BUTTON_NIGHT 3
#define WIZMOTE_BUTTON_ONE 16
#define WIZMOTE_BUTTON_TWO 17
#define WIZMOTE_BUTTON_THREE 18
#define WIZMOTE_BUTTON_FOUR 19
#define WIZMOTE_BUTTON_BRIGHT_UP 9
#define WIZMOTE_BUTTON_BRIGHT_DOWN 8
// This is kind of an esoteric strucure because it's pulled from the "Wizmote"
// product spec. That remote is used as the baseline for behavior and availability
// since it's broadly commercially available and works out of the box as a drop-in
typedef struct WizMoteMessageStructure {
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uint8_t program; // 0x91 for ON button, 0x81 for all others
uint8_t seq[4]; // Incremetal sequence number 32 bit unsigned integer LSB first
uint8_t byte5; // Unknown (seen 0x20)
uint8_t button; // Identifies which button is being pressed
uint8_t byte8; // Unknown, but always 0x01
uint8_t byte9; // Unnkown, but always 0x64
uint8_t byte10; // Unknown, maybe checksum
uint8_t byte11; // Unknown, maybe checksum
uint8_t byte12; // Unknown, maybe checksum
uint8_t byte13; // Unknown, maybe checksum
} message_structure_t;
static uint32_t last_seq = UINT32_MAX;
static int brightnessBeforeNightMode = NIGHT_MODE_DEACTIVATED;
// Pulled from the IR Remote logic but reduced to 10 steps with a constant of 3
static const byte brightnessSteps[] = {
6, 9, 14, 22, 33, 50, 75, 113, 170, 255
};
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static const size_t numBrightnessSteps = sizeof(brightnessSteps) / sizeof(byte);
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inline bool nightModeActive() {
return brightnessBeforeNightMode != NIGHT_MODE_DEACTIVATED;
}
static void activateNightMode() {
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if (nightModeActive()) return;
brightnessBeforeNightMode = bri;
bri = NIGHT_MODE_BRIGHTNESS;
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stateUpdated(CALL_MODE_BUTTON);
}
static bool resetNightMode() {
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if (!nightModeActive()) return false;
bri = brightnessBeforeNightMode;
brightnessBeforeNightMode = NIGHT_MODE_DEACTIVATED;
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stateUpdated(CALL_MODE_BUTTON);
return true;
}
// increment `bri` to the next `brightnessSteps` value
static void brightnessUp() {
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if (nightModeActive()) return;
// dumb incremental search is efficient enough for so few items
for (uint8_t index = 0; index < numBrightnessSteps; ++index) {
if (brightnessSteps[index] > bri) {
bri = brightnessSteps[index];
break;
}
}
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stateUpdated(CALL_MODE_BUTTON);
}
// decrement `bri` to the next `brightnessSteps` value
static void brightnessDown() {
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if (nightModeActive()) return;
// dumb incremental search is efficient enough for so few items
for (int index = numBrightnessSteps - 1; index >= 0; --index) {
if (brightnessSteps[index] < bri) {
bri = brightnessSteps[index];
break;
}
}
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stateUpdated(CALL_MODE_BUTTON);
}
static void setOn() {
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resetNightMode();
if (!bri) {
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toggleOnOff();
stateUpdated(CALL_MODE_BUTTON);
}
}
static void setOff() {
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resetNightMode();
if (bri) {
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toggleOnOff();
stateUpdated(CALL_MODE_BUTTON);
}
}
inline void presetWithFallback(uint8_t presetID, uint8_t effectID, uint8_t paletteID) {
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resetNightMode();
applyPresetWithFallback(presetID, CALL_MODE_BUTTON_PRESET, effectID, paletteID);
}
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// this function follows the same principle as decodeIRJson()
static bool remoteJson(int button)
{
char objKey[10];
bool parsed = false;
if (!requestJSONBufferLock(22)) return false;
sprintf_P(objKey, PSTR("\"%d\":"), button);
// attempt to read command from remote.json
readObjectFromFile("/remote.json", objKey, &doc);
JsonObject fdo = doc.as<JsonObject>();
if (fdo.isNull()) {
// the received button does not exist
if (!WLED_FS.exists("/remote.json")) errorFlag = ERR_FS_RMLOAD; //warn if file itself doesn't exist
releaseJSONBufferLock();
return parsed;
}
String cmdStr = fdo["cmd"].as<String>();
JsonObject jsonCmdObj = fdo["cmd"]; //object
if (jsonCmdObj.isNull()) // we could also use: fdo["cmd"].is<String>()
{
if (cmdStr.startsWith("!")) {
// call limited set of C functions
if (cmdStr.startsWith(F("!incBri"))) {
brightnessUp();
parsed = true;
} else if (cmdStr.startsWith(F("!decBri"))) {
brightnessDown();
parsed = true;
} else if (cmdStr.startsWith(F("!presetF"))) { //!presetFallback
uint8_t p1 = fdo["PL"] | 1;
uint8_t p2 = fdo["FX"] | random8(strip.getModeCount() -1);
uint8_t p3 = fdo["FP"] | 0;
presetWithFallback(p1, p2, p3);
parsed = true;
}
} else {
// HTTP API command
String apireq = "win"; apireq += '&'; // reduce flash string usage
//if (cmdStr.indexOf("~") || fdo["rpt"]) lastValidCode = code; // repeatable action
if (!cmdStr.startsWith(apireq)) cmdStr = apireq + cmdStr; // if no "win&" prefix
if (!irApplyToAllSelected && cmdStr.indexOf(F("SS="))<0) {
char tmp[10];
sprintf_P(tmp, PSTR("&SS=%d"), strip.getMainSegmentId());
cmdStr += tmp;
}
fdo.clear(); // clear JSON buffer (it is no longer needed)
handleSet(nullptr, cmdStr, false); // no stateUpdated() call here
stateUpdated(CALL_MODE_BUTTON);
parsed = true;
}
} else {
// command is JSON object (TODO: currently will not handle irApplyToAllSelected correctly)
deserializeState(jsonCmdObj, CALL_MODE_BUTTON);
parsed = true;
}
releaseJSONBufferLock();
return parsed;
}
// Callback function that will be executed when data is received
void handleRemote(uint8_t *incomingData, size_t len) {
message_structure_t *incoming = reinterpret_cast<message_structure_t *>(incomingData);
if (strcmp(last_signal_src, linked_remote) != 0) {
DEBUG_PRINT(F("ESP Now Message Received from Unlinked Sender: "));
DEBUG_PRINTLN(last_signal_src);
return;
}
if (len != sizeof(message_structure_t)) {
DEBUG_PRINT(F("Unknown incoming ESP Now message received of length "));
DEBUG_PRINTLN(len);
return;
}
uint32_t cur_seq = incoming->seq[0] | (incoming->seq[1] << 8) | (incoming->seq[2] << 16) | (incoming->seq[3] << 24);
if (cur_seq == last_seq) {
return;
}
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DEBUG_PRINT(F("Incoming ESP Now Packet ["));
DEBUG_PRINT(cur_seq);
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DEBUG_PRINT(F("] from sender ["));
DEBUG_PRINT(last_signal_src);
DEBUG_PRINT(F("] button: "));
DEBUG_PRINTLN(incoming->button);
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if (!remoteJson(incoming->button))
switch (incoming->button) {
case WIZMOTE_BUTTON_ON : setOn(); break;
case WIZMOTE_BUTTON_OFF : setOff(); break;
case WIZMOTE_BUTTON_ONE : presetWithFallback(1, FX_MODE_STATIC, 0); break;
case WIZMOTE_BUTTON_TWO : presetWithFallback(2, FX_MODE_BREATH, 0); break;
case WIZMOTE_BUTTON_THREE : presetWithFallback(3, FX_MODE_FIRE_FLICKER, 0); break;
case WIZMOTE_BUTTON_FOUR : presetWithFallback(4, FX_MODE_RAINBOW, 0); break;
case WIZMOTE_BUTTON_NIGHT : activateNightMode(); break;
case WIZMOTE_BUTTON_BRIGHT_UP : brightnessUp(); break;
case WIZMOTE_BUTTON_BRIGHT_DOWN : brightnessDown(); break;
default: break;
}
last_seq = cur_seq;
}
#else
void handleRemote(uint8_t *incomingData, size_t len) {}
#endif