Merge pull request #1445 from meshtastic/M5Stack

Support M5Stack

src/graphics/Screen.cpp

@@ -94,7 +94,7 @@ static uint16_t displayWidth, displayHeight;
 #define SCREEN_WIDTH displayWidth
 #define SCREEN_HEIGHT displayHeight
 
-#ifdef HAS_EINK
+#if defined(HAS_EINK) || defined(ILI9341_DRIVER)
 // The screen is bigger so use bigger fonts
 #define FONT_SMALL ArialMT_Plain_16
 #define FONT_MEDIUM ArialMT_Plain_24

src/graphics/Screen.h

@@ -313,7 +313,7 @@ class Screen : public concurrency::OSThread
     SH1106Wire dispdev;
 #elif defined(USE_SSD1306)
     SSD1306Wire dispdev;
-#elif defined(ST7735_CS)
+#elif defined(ST7735_CS) || defined(ILI9341_DRIVER)
     TFTDisplay dispdev;
 #elif defined(HAS_EINK)
     EInkDisplay dispdev;

src/graphics/TFTDisplay.cpp

@@ -1,6 +1,6 @@
 #include "configuration.h"
 
-#ifdef ST7735_CS
+#if defined(ST7735_CS) || defined(ILI9341_DRIVER)
 #include "SPILock.h"
 #include "TFTDisplay.h"
 #include <SPI.h>
@@ -10,7 +10,11 @@ static TFT_eSPI tft = TFT_eSPI(); // Invoke library, pins defined in User_Setup.
 
 TFTDisplay::TFTDisplay(uint8_t address, int sda, int scl)
 {
-    setGeometry(GEOMETRY_RAWMODE, 160, 80);
+#ifdef SCREEN_ROTATE
+    setGeometry(GEOMETRY_RAWMODE, TFT_HEIGHT, TFT_WIDTH);
+#else
+    setGeometry(GEOMETRY_RAWMODE, TFT_WIDTH, TFT_HEIGHT);
+#endif
 }
 
 // Write the buffer to the display memory
@@ -20,12 +24,10 @@ void TFTDisplay::display(void)
 
     // FIXME - only draw bits have changed (use backbuf similar to the other displays)
     // tft.drawBitmap(0, 0, buffer, 128, 64, TFT_YELLOW, TFT_BLACK);
-    for (uint8_t y = 0; y < displayHeight; y++) {
+    for (uint16_t y = 0; y < displayHeight; y++) {
-        for (uint8_t x = 0; x < displayWidth; x++) {
+        for (uint16_t x = 0; x < displayWidth; x++) {
-
             // get src pixel in the page based ordering the OLED lib uses FIXME, super inefficent
-            auto b = buffer[x + (y / 8) * displayWidth];
+            auto isset = buffer[x + (y / 8) * displayWidth] & (1 << (y & 7));
-            auto isset = b & (1 << (y & 7));
             tft.drawPixel(x, y, isset ? TFT_WHITE : TFT_BLACK);
         }
     }
@@ -38,21 +40,34 @@ void TFTDisplay::sendCommand(uint8_t com)
     // Drop all commands to device (we just update the buffer)
 }
 
+void TFTDisplay::setDetected(uint8_t detected)
+{
+    (void)detected;
+}
+
 // Connect to the display
 bool TFTDisplay::connect()
 {
+    concurrency::LockGuard g(spiLock);
     DEBUG_MSG("Doing TFT init\n");
 
+#ifdef TFT_BL
+    digitalWrite(TFT_BL, HIGH);
+    pinMode(TFT_BL, OUTPUT);
+#endif
+
 #ifdef ST7735_BACKLIGHT_EN
     digitalWrite(ST7735_BACKLIGHT_EN, HIGH);
     pinMode(ST7735_BACKLIGHT_EN, OUTPUT);
 #endif
-
     tft.init();
+#ifdef M5STACK
+    tft.setRotation(1); // M5Stack has the TFT in landscape
+#else
     tft.setRotation(3); // Orient horizontal and wide underneath the silkscreen name label
+#endif
     tft.fillScreen(TFT_BLACK);
     // tft.drawRect(0, 0, 40, 10, TFT_PURPLE); // wide rectangle in upper left
-
     return true;
 }
 

src/graphics/TFTDisplay.h

@@ -23,6 +23,12 @@ class TFTDisplay : public OLEDDisplay
     // Write the buffer to the display memory
     virtual void display(void) override;
     
+    /**
+     * shim to make the abstraction happy
+     * 
+     */
+    void setDetected(uint8_t detected);
+
   protected:
     // the header size of the buffer used, e.g. for the SPI command header
     virtual int getBufferOffset(void) override { return 0; }

variants/m5stack_core/platformio.ini

@@ -0,0 +1,27 @@
+[env:m5stack-core]
+extends = esp32_base
+board = m5stack-core-esp32
+upload_port = COM8
+monitor_port = COM8
+monitor_filters = esp32_exception_decoder
+build_flags = 
+  ${esp32_base.build_flags} -D PRIVATE_HW -I variants/m5stack_core
+  -DILI9341_DRIVER
+  -DM5STACK
+  -DUSER_SETUP_LOADED
+  -DTFT_SDA_READ
+  -DTFT_DRIVER=0x9341
+  -DTFT_MISO=19
+  -DTFT_MOSI=23
+  -DTFT_SCLK=18
+  -DTFT_CS=14
+  -DTFT_DC=27
+  -DTFT_RST=33
+  -DTFT_BL=32
+  -DSPI_FREQUENCY=40000000
+  -DSPI_READ_FREQUENCY=16000000
+lib_ignore =
+  m5stack-core
+lib_deps = 
+  ${esp32_base.lib_deps}
+  bodmer/TFT_eSPI@^2.4.61

variants/m5stack_core/variant.h

@@ -0,0 +1,42 @@
+// #define BUTTON_NEED_PULLUP // if set we need to turn on the internal CPU pullup during sleep
+
+#define I2C_SDA 21
+#define I2C_SCL 22
+
+// #define BUTTON_PIN 39 // 38, 37
+//#define BUTTON_PIN 0
+#define BUTTON_NEED_PULLUP
+// #define EXT_NOTIFY_OUT 13 // Default pin to use for Ext Notify Plugin.
+
+#define BUTTON_PIN 38
+
+#undef RF95_SCK
+#undef RF95_MISO
+#undef RF95_MOSI
+#undef RF95_NSS
+
+#define RF95_SCK 18
+#define RF95_MISO 19
+#define RF95_MOSI 23
+#define RF95_NSS 5
+
+#define USE_RF95
+#define LORA_DIO0 36 // a No connect on the SX1262 module
+#define LORA_RESET 26
+#define LORA_DIO1 RADIOLIB_NC// Not really used
+#define LORA_DIO2 RADIOLIB_NC// Not really used
+
+// This board has different GPS pins than all other boards
+#undef GPS_RX_PIN
+#undef GPS_TX_PIN
+#define GPS_RX_PIN 16
+#define GPS_TX_PIN 17
+
+#define NO_GPS
+
+// Define if screen should be mirrored left to right
+#define SCREEN_ROTATE
+
+// LCD screens are slow, so slowdown the wipe so it looks better
+#define SCREEN_TRANSITION_MSECS 1
+#define SCREEN_TRANSITION_FRAMERATE 1 // fps