Halcyon TFT LCD Display Module with STM32F103C8 via Arduino Framework

_Halcyon TFT LCD Display Module.md

Halcyon TFT LCD Display Module

configuration.md

STM32 with CS32 chip

platformio.ini

[env:genericSTM32F103C8]
platform = ststm32
board = genericSTM32F103C8
framework = stm32cube
build_flags = -DUSE_HAL_DRIVER
monitor_speed = 115200
debug_tool = stlink
debug_server = openocd
upload_flags = -c set CPUTAPID 0x2ba01477

Arduino IDE on MacOS ~/Library/Arduino15/packages/STMicroelectronics/tools/xpack-openocd/0.12.0-4/openocd/scripts/interface/stlink.cfg

...

set CPUTAPID 0x2ba01477

sources: VIK, Halcyon Modules, hlc_tft_display/config.h

halcyon_tft_sample.ino

#include <Adafruit_GFX.h>
#include <Adafruit_ST7789.h>
#include <SPI.h>

// STM32F103C8

#define SERIAL_BAUD 115200

#define WIDTH 135
#define HEIGHT 240

// PA1, PA2, PA3, PA4, PB0, PB1, PB10, PB11 don't work
#define TFT_CS PB6
#define TFT_DC PB7
#define TFT_RST -1 // most likely SWRESET used

#define SPI_MODE SPI_MODE0 // LCD_SPI_MODE was 3

Adafruit_ST7789 tft = Adafruit_ST7789(TFT_CS, TFT_DC, TFT_RST);

void setup() {
    Serial.begin(SERIAL_BAUD);
    while (!Serial);
    Serial.println("setup...");

    tft.init(WIDTH, HEIGHT, SPI_MODE);
    tft.setRotation(1);
    tft.setTextSize(2);
    tft.fillScreen(ST77XX_BLACK);
    delay(500);

    greeting(ST77XX_WHITE);
    Serial.println("setup done");
}

void loop() {
    Serial.println("loop");
    delay(500);
    tft.fillScreen(ST77XX_RED);
    greeting(ST77XX_BLACK);
    delay(500);
    tft.fillScreen(ST77XX_BLUE);
    greeting(ST77XX_BLACK);
    delay(500);
    tft.fillScreen(ST77XX_GREEN);
    greeting(ST77XX_BLACK);
}

void greeting(uint16_t color) {
    tft.setCursor(10, 10);
    tft.setTextColor(color);
    tft.println("Hello, Halcyon!");
}

result.md