[BOARD] Adds Waveshare ESP32-S3-PICO (#3081)

* Update architecture.h

* Add files via upload

* Add files via upload

* Update EInkDisplay2.cpp

* Update platformio.ini

* Update architecture.h

* Update EInkDisplay2.cpp

* Update platformio.ini

* Update EInkDisplay2.cpp

* Update platformio.ini

* Update EInkDisplay2.cpp

---------

Co-authored-by: Ben Meadors <benmmeadors@gmail.com>
Co-authored-by: Thomas Göttgens <tgoettgens@gmail.com>

boards/esp32-s3-pico.json

@@ -0,0 +1,40 @@
+{
+  "build": {
+    "arduino": {
+      "ldscript": "esp32s3_out.ld",
+      "partitions": "default_16MB.csv"
+    },
+    "core": "esp32",
+    "extra_flags": [
+      "-DARDUINO_ESP32S3_DEV",
+      "-DARDUINO_USB_MODE=1",
+      "-DARDUINO_RUNNING_CORE=1",
+      "-DARDUINO_EVENT_RUNNING_CORE=1"
+    ],
+    "f_cpu": "240000000L",
+    "f_flash": "80000000L",
+    "flash_mode": "qio",
+    "hwids": [["0x303A", "0x1001"]],
+    "mcu": "esp32s3",
+    "variant": "esp32s3"
+  },
+  "connectivity": ["wifi", "bluetooth", "lora"],
+  "debug": {
+    "default_tool": "esp-builtin",
+    "onboard_tools": ["esp-builtin"],
+    "openocd_target": "esp32s3.cfg"
+  },
+  "frameworks": ["arduino", "espidf"],
+  "name": "Waveshare ESP32-S3-Pico (16 MB FLASH, 2 MB PSRAM)",
+  "upload": {
+    "flash_size": "16MB",
+    "maximum_ram_size": 327680,
+    "maximum_size": 16777216,
+    "use_1200bps_touch": true,
+    "wait_for_upload_port": true,
+    "require_upload_port": true,
+    "speed": 921600
+  },
+  "url": "https://www.waveshare.com/esp32-s3-pico.htm",
+  "vendor": "Waveshare"
+}

src/graphics/EInkDisplay2.cpp

@@ -109,6 +109,12 @@ EInkDisplay::EInkDisplay(uint8_t address, int sda, int scl, OLEDDISPLAY_GEOMETRY
     setGeometry(GEOMETRY_RAWMODE, 296, 128);
     LOG_DEBUG("GEOMETRY_RAWMODE, 296, 128\n");
 
+#elif defined(ESP32_S3_PICO)
+
+    // GxEPD2_290_T94_V2
+    setGeometry(GEOMETRY_RAWMODE, EPD_WIDTH, EPD_HEIGHT);
+    LOG_DEBUG("GEOMETRY_RAWMODE, 296, 128\n");
+
 #endif
     // setGeometry(GEOMETRY_RAWMODE, 128, 64); // old resolution
     // setGeometry(GEOMETRY_128_64); // We originally used this because I wasn't sure if rawmode worked - it does
@@ -176,10 +182,11 @@ bool EInkDisplay::forceDisplay(uint32_t msecLimit)
 #elif defined(HELTEC_WIRELESS_PAPER_V1_0)
     adafruitDisplay->nextPage();
 #elif defined(HELTEC_WIRELESS_PAPER)
-    adafruitDisplay->nextPage();
+     adafruitDisplay->nextPage();
+#elif defined(ESP32_S3_PICO)
+     adafruitDisplay->nextPage();
 #elif defined(PRIVATE_HW) || defined(my)
     adafruitDisplay->nextPage();
-
 #endif
 
     // Put screen to sleep to save power (possibly not necessary because we already did poweroff inside of display)
@@ -248,11 +255,8 @@ bool EInkDisplay::connect()
     {
         if (eink_found) {
             auto lowLevel = new TECHO_DISPLAY_MODEL(PIN_EINK_CS, PIN_EINK_DC, PIN_EINK_RES, PIN_EINK_BUSY);
-
             adafruitDisplay = new GxEPD2_BW<TECHO_DISPLAY_MODEL, TECHO_DISPLAY_MODEL::HEIGHT>(*lowLevel);
-
             adafruitDisplay->init(115200, true, 10, false, SPI1, SPISettings(4000000, MSBFIRST, SPI_MODE0));
-
             // RAK14000 2.13 inch b/w 250x122 does actually now support partial updates
             adafruitDisplay->setRotation(3);
             // Partial update support for  1.54, 2.13 RAK14000 b/w , 2.9 and 4.2
@@ -321,12 +325,12 @@ bool EInkDisplay::connect()
         adafruitDisplay->setPartialWindow(0, 0, displayWidth, displayHeight);
     }
 #elif defined(M5_COREINK)
-    auto lowLevel = new TECHO_DISPLAY_MODEL(PIN_EINK_CS, PIN_EINK_DC, PIN_EINK_RES, PIN_EINK_BUSY);
+        auto lowLevel = new TECHO_DISPLAY_MODEL(PIN_EINK_CS, PIN_EINK_DC, PIN_EINK_RES, PIN_EINK_BUSY);
-    adafruitDisplay = new GxEPD2_BW<TECHO_DISPLAY_MODEL, TECHO_DISPLAY_MODEL::HEIGHT>(*lowLevel);
+        adafruitDisplay = new GxEPD2_BW<TECHO_DISPLAY_MODEL, TECHO_DISPLAY_MODEL::HEIGHT>(*lowLevel);
-    adafruitDisplay->init(115200, true, 40, false, SPI, SPISettings(4000000, MSBFIRST, SPI_MODE0));
+        adafruitDisplay->init(115200, true, 40, false, SPI, SPISettings(4000000, MSBFIRST, SPI_MODE0));
-    adafruitDisplay->setRotation(0);
+        adafruitDisplay->setRotation(0);
-    adafruitDisplay->setPartialWindow(0, 0, EPD_WIDTH, EPD_HEIGHT);
+        adafruitDisplay->setPartialWindow(0, 0, EPD_WIDTH, EPD_HEIGHT);
-#elif defined(my)
+#elif defined(my) || defined(ESP32_S3_PICO)
     {
         auto lowLevel = new TECHO_DISPLAY_MODEL(PIN_EINK_CS, PIN_EINK_DC, PIN_EINK_RES, PIN_EINK_BUSY);
         adafruitDisplay = new GxEPD2_BW<TECHO_DISPLAY_MODEL, TECHO_DISPLAY_MODEL::HEIGHT>(*lowLevel);
@@ -340,7 +344,6 @@ bool EInkDisplay::connect()
     // adafruitDisplay->fillScreen(UNCOLORED);
     // adafruitDisplay->drawCircle(100, 100, 20, COLORED);
     // adafruitDisplay->display(false);
-
     return true;
 }
 
@@ -470,4 +473,4 @@ bool EInkDisplay::determineRefreshMode()
 
 #endif // End USE_EINK_DYNAMIC_PARTIAL
 
-#endif
+#endif

src/platform/esp32/architecture.h

@@ -125,8 +125,8 @@
 #define HW_VENDOR meshtastic_HardwareModel_BETAFPV_900_NANO_TX
 #elif defined(PICOMPUTER_S3)
 #define HW_VENDOR meshtastic_HardwareModel_PICOMPUTER_S3
-#elif defined(HELTEC_HT62)
+#elif defined(ESP32_S3_PICO)
-#define HW_VENDOR meshtastic_HardwareModel_HELTEC_HT62
+#define HW_VENDOR meshtastic_HardwareModel_ESP32_S3_PICO
 #elif defined(SENSELORA_S3)
 #define HW_VENDOR meshtastic_HardwareModel_SENSELORA_S3
 #elif defined(HELTEC_HT62)
@@ -155,4 +155,4 @@
 #define LORA_CS 18
 #endif
 
-#define SERIAL0_RX_GPIO 3 // Always GPIO3 on ESP32 // FIXME: may be different on ESP32-S3, etc.
+#define SERIAL0_RX_GPIO 3 // Always GPIO3 on ESP32 // FIXME: may be different on ESP32-S3, etc.

variants/esp32-s3-pico/pins_arduino.h

@@ -0,0 +1,36 @@
+#ifndef Pins_Arduino_h
+#define Pins_Arduino_h
+
+#include <stdint.h>
+
+#define USB_VID 0x303a
+#define USB_PID 0x1001
+
+#define EXTERNAL_NUM_INTERRUPTS 46
+#define NUM_DIGITAL_PINS 48
+#define NUM_ANALOG_INPUTS 20
+
+#define analogInputToDigitalPin(p) (((p) < 20) ? (analogChannelToDigitalPin(p)) : -1)
+#define digitalPinToInterrupt(p) (((p) < 48) ? (p) : -1)
+#define digitalPinHasPWM(p) (p < 46)
+
+// The default Wire will be mapped to PMU and RTC
+static const uint8_t SDA = 15;
+static const uint8_t SCL = 16;
+
+// Default SPI will be mapped to Radio
+static const uint8_t MISO = 37;
+static const uint8_t SCK = 35;
+static const uint8_t MOSI = 36;
+static const uint8_t SS = 14;
+
+static const uint8_t BAT_ADC_PIN = 26;
+
+// #define SPI_MOSI                    (11)
+// #define SPI_SCK                     (14)
+// #define SPI_MISO                    (2)
+// #define SPI_CS                      (13)
+
+// #define SDCARD_CS                   SPI_CS
+
+#endif /* Pins_Arduino_h */

variants/esp32-s3-pico/platformio.ini

@@ -0,0 +1,25 @@
+[env:ESP32-S3-Pico]
+
+board_level = extra
+extends = esp32s3_base
+upload_protocol = esptool
+board = esp32-s3-pico
+
+board_upload.use_1200bps_touch = yes
+board_upload.wait_for_upload_port = yes
+board_upload.require_upload_port = yes
+
+;upload_port = /dev/ttyACM0
+
+build_flags = ${esp32_base.build_flags}
+  -DESP32_S3_PICO
+  ;-DPRIVATE_HW
+  -Ivariants/esp32-s3-pico
+  -DBOARD_HAS_PSRAM
+  -DTECHO_DISPLAY_MODEL=GxEPD2_290_T94_V2
+  -DEPD_HEIGHT=128
+  -DEPD_WIDTH=296
+
+lib_deps = ${esp32s3_base.lib_deps}
+  zinggjm/GxEPD2@^1.5.3
+  ;adafruit/Adafruit NeoPixel@^1.10.7

variants/esp32-s3-pico/variant.h

@@ -0,0 +1,77 @@
+/*
+
+*/
+#define HAS_GPS 0
+#undef GPS_RX_PIN
+#undef GPS_TX_PIN
+
+#define EXT_NOTIFY_OUT 22
+#define BUTTON_PIN 0 // 17
+
+// #define LED_PIN PIN_LED
+// Board has RGB LED 21
+
+//The usbPower state is revered ?
+//DEBUG | ??:??:?? 365 [Power] Battery: usbPower=0, isCharging=0, batMv=4116, batPct=90
+//DEBUG | ??:??:?? 385 [Power] Battery: usbPower=1, isCharging=1, batMv=4243, batPct=0
+
+// https://www.waveshare.com/img/devkit/ESP32-S3-Pico/ESP32-S3-Pico-details-inter-1.jpg
+// digram is incorrect labeled as battery pin is getting readings on GPIO7_CH1?
+#define BATTERY_PIN 7
+#define ADC_CHANNEL ADC1_GPIO7_CHANNEL
+// #define ADC_CHANNEL ADC1_GPIO6_CHANNEL
+//   ratio of voltage divider = 3.0 (R17=200k, R18=100k)
+#define ADC_MULTIPLIER 3.1 // 3.0 + a bit for being optimistic
+
+#define I2C_SDA 15
+#define I2C_SCL 16
+
+// Enable secondary bus for external periherals
+// https://www.waveshare.com/wiki/Pico-OLED-1.3
+// #define USE_SH1107_128_64
+// Not working
+#define I2C_SDA1 17
+#define I2C_SCL1 18
+
+#define BUTTON_PIN 0 // This is the BOOT button
+#define BUTTON_NEED_PULLUP
+
+// #define USE_RF95 // RFM95/SX127x
+#define USE_SX1262
+// #define USE_SX1280
+
+#define LORA_MISO 37
+#define LORA_SCK 35
+#define LORA_MOSI 36
+#define LORA_CS 14
+
+#define LORA_RESET 40
+#define LORA_DIO1 4
+#define LORA_DIO2 13
+
+#ifdef USE_SX1262
+#define SX126X_CS LORA_CS
+#define SX126X_DIO1 LORA_DIO1
+#define SX126X_BUSY LORA_DIO2
+#define SX126X_RESET LORA_RESET
+#define SX126X_DIO2_AS_RF_SWITCH
+#define SX126X_DIO3_TCXO_VOLTAGE 1.8
+#endif
+
+#ifdef USE_SX1280
+#define SX128X_CS LORA_CS
+#define SX128X_DIO1 LORA_DIO1
+#define SX128X_BUSY 9
+#define SX128X_RESET LORA_RESET
+#endif
+
+#define USE_EINK
+/*
+ * eink display pins
+ */
+#define PIN_EINK_CS 34
+#define PIN_EINK_BUSY 38
+#define PIN_EINK_DC 33
+#define PIN_EINK_RES 42 // 37 //(-1) // cant be MISO Waveshare ??)
+#define PIN_EINK_SCLK 35
+#define PIN_EINK_MOSI 36