Fix turn off LEDs

boards/btclock_rev_b.json

@@ -0,0 +1,60 @@
+{
+  "build": {
+    "arduino":{
+      "ldscript": "esp32s3_out.ld",
+      "partitions": "default_8MB.csv"
+    },
+    "core": "esp32",
+    "extra_flags": [
+      "-DBOARD_HAS_PSRAM",
+      "-DARDUINO_BTCLOCK_REV_B",
+      "-DARDUINO_ESP32S3_DEV",
+      "-DIS_BTCLOCK_REV_B",
+      "-DARDUINO_USB_MODE=1",
+      "-DARDUINO_RUNNING_CORE=1",
+      "-DARDUINO_EVENT_RUNNING_CORE=1",
+      "-DARDUINO_USB_CDC_ON_BOOT=1"
+    ],
+    "f_cpu": "240000000L",
+    "f_flash": "80000000L",
+    "flash_mode": "qio",
+    "espidf": {
+      "sdkconfig_path": "boards"
+    },
+    "hwids": [
+      [
+        "0x303A",
+        "0x1001"
+      ]
+    ],
+    "mcu": "esp32s3",
+    "variant": "esp32s3"
+  },
+  "connectivity": [
+    "bluetooth",
+    "wifi"
+  ],
+  "debug": {
+    "default_tool": "esp-builtin",
+    "onboard_tools": [
+      "esp-builtin"
+    ],
+    "openocd_target": "esp32s3.cfg"
+  },
+  "frameworks": [
+    "arduino",
+    "espidf"
+  ],
+  "name": "BTClock (rev. B)",
+  "upload": {
+    "flash_size": "8MB",
+    "maximum_ram_size": 327680,
+    "maximum_size": 8388608,    
+    "use_1200bps_touch": true,
+    "wait_for_upload_port": true,
+    "require_upload_port": true,
+    "speed": 460800
+  },
+  "url": "http://github.com/btclock",
+  "vendor": "BTClock"
+}

partition_8mb.csv

@@ -0,0 +1,7 @@
+# Name,   Type, SubType, Offset,  Size, Flags
+nvs,      data, nvs,     36K,     20K,
+otadata,  data, ota,     56K,     8K,
+app0,     app,  ota_0,   64K,     1700K,
+app1,     app,  ota_1,   ,        1700K,
+spiffs,   data, spiffs,  ,        400K,
+coredump, data, coredump,,        64K,

platformio.ini

@@ -9,7 +9,7 @@
 ; https://docs.platformio.org/page/projectconf.html
 [platformio]
 data_dir = data/build_gz
-default_envs = lolin_s3_mini_213epd, lolin_s3_mini_29epd
+default_envs = lolin_s3_mini_213epd, lolin_s3_mini_29epd, btclock_rev_b_213epd
 
 [env]
 
@@ -57,6 +57,28 @@ build_flags =
 build_unflags = 
   ${btclock_base.build_unflags}
 
+
+[env:btclock_rev_b]
+extends = btclock_base
+board = btclock_rev_b
+board_build.partitions = partition.csv
+build_flags =
+    ${btclock_base.build_flags}
+    -D MCP_INT_PIN=8
+    -D NEOPIXEL_PIN=15
+    -D NEOPIXEL_COUNT=4
+    -D NUM_SCREENS=7
+    -D I2C_SDA_PIN=35
+    -D I2C_SCK_PIN=36
+    -D HAS_FRONTLIGHT
+    -D PCA_OE_PIN=45
+    -D PCA_I2C_ADDR=0x42
+lib_deps = 
+  ${btclock_base.lib_deps}
+  robtillaart/PCA9685@^0.7.1
+build_unflags = 
+  ${btclock_base.build_unflags}
+
 [env:lolin_s3_mini_213epd]
 extends = env:lolin_s3_mini
 test_framework = unity
@@ -65,6 +87,15 @@ build_flags =
     -D USE_QR
     -D VERSION_EPD_2_13
 
+
+[env:btclock_rev_b_213epd]
+extends = env:btclock_rev_b
+test_framework = unity
+build_flags =
+    ${env:btclock_rev_b.build_flags}
+    -D USE_QR
+    -D VERSION_EPD_2_13
+
 [env:lolin_s3_mini_29epd]
 extends = env:lolin_s3_mini
 test_framework = unity

src/lib/config.cpp

@@ -7,6 +7,11 @@ Adafruit_MCP23X17 mcp1;
 #ifdef IS_BTCLOCK_S3
 Adafruit_MCP23X17 mcp2;
 #endif
+
+#ifdef HAS_FRONTLIGHT
+PCA9685 flArray(PCA_I2C_ADDR);
+#endif
+
 std::vector<std::string> screenNameMap(SCREEN_COUNT);
 std::mutex mcpMutex;
 uint lastTimeSync;
@@ -352,6 +357,10 @@ void setupHardware()
     //         ;
   }
 #endif
+
+#ifdef HAS_FRONTLIGHT
+  setupFrontlight();
+#endif
 }
 
 void improvGetAvailableWifiNetworks()
@@ -659,3 +668,20 @@ String getMyHostname()
 uint getLastTimeSync() {
   return lastTimeSync;
 }
+
+#ifdef HAS_FRONTLIGHT
+void setupFrontlight() {
+  flArray.begin();
+  flArray.setFrequency(1000);
+  flArray.setOutputEnablePin(PCA_OE_PIN);
+
+  if (!preferences.isKey("flMaxBrightness")) {
+    preferences.putUInt("flMaxBrightness", 4095);
+  }
+  // Initialize all LEDs to off
+  // for (int ledPin = 0; ledPin < NUM_SCREENS; ledPin++) {
+  //   flArray.setPWM(ledPin, 0, 0); // Turn off LED
+  // }
+  flArray.allOFF();
+}
+#endif

src/lib/config.hpp

@@ -20,6 +20,9 @@
 #include "lib/screen_handler.hpp"
 #include "lib/shared.hpp"
 #include "lib/webserver.hpp"
+#ifdef HAS_FRONTLIGHT
+#include "PCA9685.h"
+#endif
 
 #define NTP_SERVER "pool.ntp.org"
 #define DEFAULT_MEMPOOL_INSTANCE "mempool.space"
@@ -42,6 +45,11 @@ void tryImprovSetup();
 void setupTimers();
 void finishSetup();
 void setupMcp();
+#ifdef HAS_FRONTLIGHT
+void setupFrontlight();
+extern PCA9685 flArray;
+#endif
+
 String getMyHostname();
 std::vector<std::string> getScreenNameMap();
 

src/lib/epd.cpp

@@ -1,6 +1,65 @@
 #include "epd.hpp"
 
-#ifndef IS_BTCLOCK_S3
+#ifdef IS_BTCLOCK_REV_B
+Native_Pin EPD_CS[NUM_SCREENS] = {
+    Native_Pin(2),
+    Native_Pin(4),
+    Native_Pin(6),
+    Native_Pin(10),
+    Native_Pin(38),
+    Native_Pin(21),
+    Native_Pin(17),
+};
+Native_Pin EPD_BUSY[NUM_SCREENS] = {
+    Native_Pin(3),
+    Native_Pin(5),
+    Native_Pin(7),
+    Native_Pin(9),
+    Native_Pin(37),
+    Native_Pin(18),
+    Native_Pin(16),
+};
+MCP23X17_Pin EPD_RESET_MPD[NUM_SCREENS] = {
+    MCP23X17_Pin(mcp1, 8),
+    MCP23X17_Pin(mcp1, 9),
+    MCP23X17_Pin(mcp1, 10),
+    MCP23X17_Pin(mcp1, 11),
+    MCP23X17_Pin(mcp1, 12),
+    MCP23X17_Pin(mcp1, 13),
+    MCP23X17_Pin(mcp1, 14),
+};
+
+Native_Pin EPD_DC = Native_Pin(14);
+#elif IS_BTCLOCK_S3
+Native_Pin EPD_DC = Native_Pin(38);
+
+MCP23X17_Pin EPD_BUSY[NUM_SCREENS] = {
+    MCP23X17_Pin(mcp1, 8),
+    MCP23X17_Pin(mcp1, 9),
+    MCP23X17_Pin(mcp1, 10),
+    MCP23X17_Pin(mcp1, 11),
+    MCP23X17_Pin(mcp1, 12),
+    MCP23X17_Pin(mcp1, 13),
+    MCP23X17_Pin(mcp1, 14),
+    MCP23X17_Pin(mcp1, 4),
+};
+
+MCP23X17_Pin EPD_CS[NUM_SCREENS] = {
+    MCP23X17_Pin(mcp2, 8), MCP23X17_Pin(mcp2, 10), MCP23X17_Pin(mcp2, 12),
+    MCP23X17_Pin(mcp2, 14), MCP23X17_Pin(mcp2, 0), MCP23X17_Pin(mcp2, 2),
+    MCP23X17_Pin(mcp2, 4), MCP23X17_Pin(mcp2, 6)};
+
+MCP23X17_Pin EPD_RESET_MPD[NUM_SCREENS] = {
+    MCP23X17_Pin(mcp2, 9),
+    MCP23X17_Pin(mcp2, 11),
+    MCP23X17_Pin(mcp2, 13),
+    MCP23X17_Pin(mcp2, 15),
+    MCP23X17_Pin(mcp2, 1),
+    MCP23X17_Pin(mcp2, 3),
+    MCP23X17_Pin(mcp2, 5),
+    MCP23X17_Pin(mcp2, 7),
+};
+#else 
 Native_Pin EPD_CS[NUM_SCREENS] = {
     Native_Pin(2),
     Native_Pin(4),
@@ -35,36 +94,6 @@ MCP23X17_Pin EPD_RESET_MPD[NUM_SCREENS] = {
 };
 
 Native_Pin EPD_DC = Native_Pin(14);
-#else
-Native_Pin EPD_DC = Native_Pin(38);
-
-MCP23X17_Pin EPD_BUSY[NUM_SCREENS] = {
-    MCP23X17_Pin(mcp1, 8),
-    MCP23X17_Pin(mcp1, 9),
-    MCP23X17_Pin(mcp1, 10),
-    MCP23X17_Pin(mcp1, 11),
-    MCP23X17_Pin(mcp1, 12),
-    MCP23X17_Pin(mcp1, 13),
-    MCP23X17_Pin(mcp1, 14),
-    MCP23X17_Pin(mcp1, 4),
-};
-
-MCP23X17_Pin EPD_CS[NUM_SCREENS] = {
-    MCP23X17_Pin(mcp2, 8), MCP23X17_Pin(mcp2, 10), MCP23X17_Pin(mcp2, 12),
-    MCP23X17_Pin(mcp2, 14), MCP23X17_Pin(mcp2, 0), MCP23X17_Pin(mcp2, 2),
-    MCP23X17_Pin(mcp2, 4), MCP23X17_Pin(mcp2, 6)};
-
-MCP23X17_Pin EPD_RESET_MPD[NUM_SCREENS] = {
-    MCP23X17_Pin(mcp2, 9),
-    MCP23X17_Pin(mcp2, 11),
-    MCP23X17_Pin(mcp2, 13),
-    MCP23X17_Pin(mcp2, 15),
-    MCP23X17_Pin(mcp2, 1),
-    MCP23X17_Pin(mcp2, 3),
-    MCP23X17_Pin(mcp2, 5),
-    MCP23X17_Pin(mcp2, 7),
-};
-
 #endif
 
 GxEPD2_BW<EPD_CLASS, EPD_CLASS::HEIGHT> displays[NUM_SCREENS] = {
@@ -141,7 +170,7 @@ void setupDisplays()
 
   updateQueue = xQueueCreate(UPDATE_QUEUE_SIZE, sizeof(UpdateDisplayTaskItem));
 
-  xTaskCreate(prepareDisplayUpdateTask, "PrepareUpd", 4096, NULL, 11, NULL);
+  xTaskCreate(prepareDisplayUpdateTask, "PrepareUpd", 2048, NULL, 11, NULL);
 
   for (uint i = 0; i < NUM_SCREENS; i++)
   {

src/lib/led_handler.cpp

@@ -330,3 +330,39 @@ void ledTheaterChaseRainbow(int wait) {
 }
 
 Adafruit_NeoPixel getPixels() { return pixels; }
+
+#ifdef HAS_FRONTLIGHT
+int flDelayTime = 10; 
+
+void frontlightFadeInAll() {
+  for (int dutyCycle = 0; dutyCycle <= preferences.getUInt("flMaxBrightness"); dutyCycle += 5) {
+    for (int ledPin = 0; ledPin < NUM_SCREENS; ledPin++) {
+      flArray.setPWM(ledPin, 0, dutyCycle);
+    }
+    delay(flDelayTime);
+  }
+}
+
+void frontlightFadeOutAll() {
+  for (int dutyCycle = preferences.getUInt("flMaxBrightness"); dutyCycle >= 0; dutyCycle -= 5) {
+    for (int ledPin = 0; ledPin < NUM_SCREENS; ledPin++) {
+      flArray.setPWM(ledPin, 0, dutyCycle);
+    }
+    delay(flDelayTime);
+  }
+}
+
+void frontlightFadeIn(uint num) {
+  for (int dutyCycle = 0; dutyCycle <= preferences.getUInt("flMaxBrightness"); dutyCycle += 5) {
+    flArray.setPWM(num, 0, dutyCycle);
+    delay(flDelayTime);
+  }
+}
+
+void frontlightFadeOut(uint num) {
+  for (int dutyCycle = preferences.getUInt("flMaxBrightness"); dutyCycle >= 0; dutyCycle -= 5) {
+    flArray.setPWM(num, 0, dutyCycle);
+    delay(flDelayTime);
+  }
+}
+#endif

src/lib/led_handler.hpp

@@ -57,3 +57,10 @@ void ledRainbow(int wait);
 void ledTheaterChaseRainbow(int wait);
 void ledTheaterChase(uint32_t color, int wait);
 Adafruit_NeoPixel getPixels();
+
+#ifdef HAS_FRONTLIGHT
+void frontlightFadeInAll();
+void frontlightFadeOutAll();
+void frontlightFadeIn(uint num);
+void frontlightFadeOut(uint num);
+#endif

src/lib/webserver.cpp

@@ -45,6 +45,7 @@ void setupWebserver() {
       "/api/show/custom", onApiShowTextAdvanced);
   server.addHandler(handler);
 
+
   AsyncCallbackJsonWebHandler *lightsJsonHandler =
       new AsyncCallbackJsonWebHandler("/api/lights", onApiLightsSetJson);
   server.addHandler(lightsJsonHandler);
@@ -301,7 +302,7 @@ void onApiSettingsPatch(AsyncWebServerRequest *request, JsonVariant &json) {
     }
   }
 
-  String uintSettings[] = {"minSecPriceUpd", "fullRefreshMin", "ledBrightness"};
+  String uintSettings[] = {"minSecPriceUpd", "fullRefreshMin", "ledBrightness", "flMaxBrightness"};
 
   for (String setting : uintSettings) {
     if (settings.containsKey(setting)) {
@@ -418,6 +419,13 @@ void onApiSettingsGet(AsyncWebServerRequest *request) {
   root["ip"] = WiFi.localIP();
   root["txPower"] = WiFi.getTxPower();
 
+  #ifdef HAS_FRONTLIGHT
+  root["hasFrontlight"] = true;
+  root["flMaxBrightness"] = preferences.getUInt("flMaxBrightness", 4095);
+  #else
+  root["hasFrontlight"] = false;
+  #endif
+
 #ifdef GIT_REV
   root["gitRev"] = String(GIT_REV);
 #endif
@@ -761,6 +769,11 @@ void onApiLightsSetJson(AsyncWebServerRequest *request, JsonVariant &json) {
   JsonArray lights = json.as<JsonArray>();
 
   if (lights.size() != pixels.numPixels()) {
+    if (!lights.size()) {
+      // if empty, assume off request
+        return onApiLightsOff(request);
+    }
+
     Serial.printf("Invalid values for LED set %d\n", lights.size());
     request->send(400);
     return;