lcd ili9341

reflow_plate_fw/.vscode/settings.json

@@ -0,0 +1,3 @@
+{
+  "C_Cpp.errorSquiggles": "Disabled"
+}

reflow_plate_fw/include/ILI9341_STM32.h

@@ -0,0 +1,101 @@
+
+        ///////////////////////////////////////////////////
+        //  Setup for STM32 Nucleo and ILI9341 display   //
+        ///////////////////////////////////////////////////
+
+// Last update by Bodmer: 28/11/19
+
+// STM32 optimised functions are not yet compatible with STM32H743 processor.
+// The STM32H743 does work with the slower generic processor drivers
+//
+// REMINDER - Nucleo-F743ZI and Nucleo-F743ZI2 have different pin port allocations
+// and require appropriate selection in IDE. ^---- Note the extra 2 in part number!
+
+
+// Define STM32 to invoke STM32 optimised driver
+#define STM32
+
+// Define the TFT display driver
+#define ILI9341_DRIVER
+//#define ILI9481_DRIVER
+
+// MOSI and SCK do not need to be defined, connect:
+//  - Arduino SCK  to TFT SCK
+//  - Arduino MOSI to TFT SDI(may be marked SDA or MOSI)
+// Typical Arduino SPI port 1 pins are (SCK=D13, MISO=D12, MOSI=D11) this is port pins PA5, PA6 and PA7 on Nucleo-F767ZI
+//                 SPI port 2 pins are (SCK=D18, MISO=A7, MOSI=D17) this is port pins PB13, PC2 and PB15 on Nucleo-F767ZI
+
+//#define TFT_MOSI PA7
+//#define TFT_SCLK PA5
+#define TFT_DC   PB1
+#define TFT_RST  PA12
+#define TFT_CS   PB0
+
+
+#define TFT_SPI_PORT 1 // SPI 1 maximum clock rate is 55MHz
+#define TFT_MOSI PA7
+#define TFT_MISO PA6
+#define TFT_SCLK PA5
+
+
+/*
+#define TFT_SPI_PORT 2 // SPI 2 maximum clock rate is 27MHz
+#define TFT_MOSI D17
+#define TFT_MISO A7
+#define TFT_SCLK D18
+//*/
+
+/*
+#define TFT_SPI_PORT 2 // SPI 2 maximum clock rate is 27MHz
+#define TFT_MOSI PB15
+#define TFT_MISO PC2
+#define TFT_SCLK PB13
+//*/
+
+/*
+#define TFT_SPI_PORT 2 // SPI 2 maximum clock rate is 27MHz
+#define TFT_MOSI PB15
+#define TFT_MISO PB14
+#define TFT_SCLK PB13
+//*/
+
+// Can use Ardiuno pin references, arbitrary allocation, TFT_eSPI controls chip select
+// #define TFT_CS   D5 // Chip select control pin to TFT CS
+// #define TFT_DC   D6 // Data Command control pin to TFT DC (may be labelled RS = Register Select)
+// #define TFT_RST  D7 // Reset pin to TFT RST (or RESET)
+
+// Alternatively, we can use STM32 port reference names PXnn
+//#define TFT_CS   PE11 // Nucleo-F767ZI equivalent of D5
+//#define TFT_DC   PE9  // Nucleo-F767ZI equivalent of D6
+//#define TFT_RST  PF13 // Nucleo-F767ZI equivalent of D7
+
+//#define TFT_RST  -1   // Set TFT_RST to -1 if the display RESET is connected to processor reset
+                        // Use an Arduino pin for initial testing as connecting to processor reset
+                        // may not work (pulse too short at power up?)
+
+// Chip select for XPT2046 touch controller
+#define TOUCH_CS PB2
+
+#define LOAD_GLCD   // Font 1. Original Adafruit 8 pixel font needs ~1820 bytes in FLASH
+#define LOAD_FONT2  // Font 2. Small 16 pixel high font, needs ~3534 bytes in FLASH, 96 characters
+#define LOAD_FONT4  // Font 4. Medium 26 pixel high font, needs ~5848 bytes in FLASH, 96 characters
+#define LOAD_FONT6  // Font 6. Large 48 pixel font, needs ~2666 bytes in FLASH, only characters 1234567890:-.apm
+#define LOAD_FONT7  // Font 7. 7 segment 48 pixel font, needs ~2438 bytes in FLASH, only characters 1234567890:-.
+#define LOAD_FONT8  // Font 8. Large 75 pixel font needs ~3256 bytes in FLASH, only characters 1234567890:-.
+#define LOAD_GFXFF  // FreeFonts. Include access to the 48 Adafruit_GFX free fonts FF1 to FF48 and custom fonts
+
+// STM32 support for smooth fonts via program memory (FLASH) arrays
+#define SMOOTH_FONT
+
+
+// Nucleo-F767ZI has a ~216MHZ CPU clock, this is divided by 4, 8, 16 etc
+
+#define SPI_FREQUENCY  27000000   // 27MHz SPI clock
+//#define SPI_FREQUENCY  55000000   // 55MHz is over-clocking ILI9341 but seems to work reliably!
+
+#define SPI_READ_FREQUENCY  15000000 // Reads need a slower SPI clock, probably ends up at 13.75MHz (CPU clock/16)
+
+#define SPI_TOUCH_FREQUENCY  2500000 // Must be very slow
+
+// This has no effect, transactions for STM32 are automatically enabled
+#define SUPPORT_TRANSACTIONS

reflow_plate_fw/platformio.ini

@@ -19,4 +19,8 @@ lib_deps =
 	bodmer/TFT_eSPI@^2.3.70
 lib_ldf_mode = deep+
 build_flags =
+	-D USER_SETUP_LOADED=1
+  -include include/ILI9341_STM32.h
+	-D PIO_FRAMEWORK_ARDUINO_ENABLE_CDC
+	-D PIO_FRAMEWORK_ARDUINO_USB_FULLSPEED_FULLMODE
 

reflow_plate_fw/src/board.h

@@ -1,11 +1,11 @@
 #pragma once
 
 
-#define LCD_MOSI      PA7
+// #define LCD_MOSI      PA7
-#define LCD_SCLK      PA5
+// #define LCD_SCLK      PA5
-#define LCD_RES       PA12
+// #define LCD_RES       PA12
-#define LCD_DC        PB1
+// #define LCD_DC        PB1
-#define LCD_CS        PB0
+// #define LCD_CS        PB0
 
 #define THERM_CS      PB4
 #define THERM_SO      PB5

reflow_plate_fw/src/lcd.cpp

@@ -1,33 +1,29 @@
 #include "lcd.h"
 
 
-
-// void initLCD(void) 
-// {
-
-// }
-
-// void handleLCD(void) 
-// {
-
-
-// }
-
-unsigned int rainbow(byte value);
-
 #include <TFT_eSPI.h>       // Include the graphics library
 
 TFT_eSPI tft = TFT_eSPI();  // Create object "tft"
+TFT_eSprite touch_spr = TFT_eSprite(&tft);
+
+#define WIDTH  240
+#define HEIGHT 60
 
 // -------------------------------------------------------------------------
 // Setup
 // -------------------------------------------------------------------------
+void prep_sprite(void)
+{
+  touch_spr.createSprite(WIDTH,HEIGHT);
+}
+
 void initLCD(void) {
   tft.init();
-  tft.setRotation(0);
+  tft.setRotation(2);
-  tft.setTextFont(1);
+  tft.setTextFont(2);
   tft.fillScreen(TFT_BLACK);
   tft.invertDisplay(false);
+  prep_sprite();
 }
 
 // -------------------------------------------------------------------------
@@ -35,7 +31,16 @@ void initLCD(void) {
 // -------------------------------------------------------------------------
 void handleLCD()
 {
-  //tft.setTextColor(TFT_WHITE);
+  touch_spr.fillSprite(TFT_BLACK);
-  //tft.setTextPadding(60);
+  uint16_t t_x = 0, t_y = 0;
-  tft.drawString("hello World!", 10, 10);
+  touch_spr.setTextColor(TFT_WHITE);
-}
+  touch_spr.setTextDatum(MC_DATUM);
+  bool pressed = tft.getTouch(&t_x, &t_y); 
+  String touchxy = "touch x=";
+  touchxy += t_x;
+  touchxy += ",touch y=";
+  touchxy += t_y;
+  touch_spr.drawString(touchxy, WIDTH / 2, HEIGHT / 4, 2);
+  touch_spr.drawNumber(getLooptime(), WIDTH / 2, (HEIGHT / 4)*2, 2);
+  touch_spr.pushSprite(1,1);
+} 

reflow_plate_fw/src/lcd.h

@@ -1,6 +1,8 @@
 #include "Arduino.h"
 #include "board.h"
 
+#include "status.h"
+
 
 
 void initLCD(void);

reflow_plate_fw/src/main.cpp

@@ -5,6 +5,7 @@
 #include "thermo.h"
 #include "button.h"
 #include "heater.h"
+#include "status.h"
 
 void setup()
 {
@@ -13,10 +14,11 @@ void setup()
   initThermo();
   initButton();
   initHeater();
-
+  initStatus();
-  pinMode(LED_BUILTIN, OUTPUT);
 }
 
+
+
 void loop()
 {
   // put your main code here, to run repeatedly:
@@ -24,9 +26,5 @@ void loop()
   handleThermo();
   handleButton();
   handleHeater();
-
+  handleStatus();
-  digitalWrite(LED_BUILTIN, 1);
-  delay(500);
-  digitalWrite(LED_BUILTIN, 0);
-  delay(500);
 }

reflow_plate_fw/src/status.cpp

@@ -0,0 +1,32 @@
+#include "status.h"
+
+
+uint64_t timelast = 0;
+uint64_t blinkrate = 500;
+bool ledstate = false;
+uint32_t looptime = 0; 
+uint32_t looptimelast = 0;
+
+void initStatus(void)
+{
+  pinMode(LED_BUILTIN, OUTPUT);
+}
+
+void handleStatus(void)
+{
+  uint64_t timenow = millis();
+  if(timenow - timelast > blinkrate)
+  {
+    timelast = timenow;
+    ledstate = !ledstate;
+    digitalWrite(LED_BUILTIN, ledstate);
+  }
+
+  looptime = timenow - looptimelast;
+  looptimelast = timenow;
+}
+
+uint32_t getLooptime(void)
+{
+  return looptime;
+}

reflow_plate_fw/src/status.h

@@ -0,0 +1,9 @@
+#pragma once
+
+#include "Arduino.h"
+#include "board.h"
+
+
+void initStatus(void);
+void handleStatus(void);
+uint32_t getLooptime(void);