acid-drop

- Hacking the planet from a LilyGo T-Deck using custom firmware
git clone git://git.acid.vegas/acid-drop.git
Setup32_ILI9341_STM32F103.h (3196B)
      1         //////////////////////////////////////////////////////////////
      2         // Setup for STM32F103 (e.g. Blue Pill) and ILI9341 display //
      3         //////////////////////////////////////////////////////////////
      4 #define USER_SETUP_ID 32
      5 
      6 // Last update by Bodmer: 14/1/20
      7 
      8 // Define STM32 to invoke STM32 optimised driver
      9 #define STM32
     10 
     11 // Define the TFT display driver
     12 #define ILI9341_DRIVER
     13 //#define ILI9481_DRIVER
     14 
     15 // MOSI and SCK do not need to be defined, connect:
     16 //  - Arduino SCK (Blue Pill pin A5)  to TFT SCK
     17 //  - Arduino MOSI (Blue Pill pin A7) to TFT SDI (may be marked SDA or MOSI)
     18 //  - Optional to read TFT: Arduino MISO (Blue Pill pin A6) to TFT SDO (may be marked MISO or may not exist on TFT)
     19 //  Note: not all TFT's support reads
     20 
     21 // reminder: Blue Pill SPI pins are SCK=A5, MISO = A6, MOSI=A7
     22 
     23 // Can use Ardiuno pin references, arbitrary allocation, TFT_eSPI controls chip select
     24 #define TFT_CS   A0 // Chip select control pin to TFT CS
     25 #define TFT_DC   A1 // Data Command control pin to TFT DC (may be labelled RS = Register Select)
     26 #define TFT_RST  A2 // Reset pin to TFT RST (or RESET)
     27 
     28 //#define TFT_RST  -1   // Set TFT_RST to -1 if the display RESET is connected to processor reset
     29                         // Use an Arduino pin for initial testing as connecting to processor reset
     30                         // may not work (due to variations in display design)
     31 
     32 #define TOUCH_CS A4 // Connect to T_CS (Touch controller chip select) if XPT2046 is connected to SPI bus
     33                     // You may need to wire the touch controller to the processor in addition to the TFT
     34                     // For example on some boards the pins are labelled:
     35                     // T_IRQ - no connection to processor
     36                     // T_DO  - connect to processor MISO
     37                     // T_DIN - connect to processor MOSI
     38                     // T_CS  - connect to processor pin specified by TOUCH_CS above
     39                     // T_SCK - connect to processor SCK
     40 
     41 #define LOAD_GLCD   // Font 1. Original Adafruit 8 pixel font needs ~1820 bytes in FLASH
     42 #define LOAD_FONT2  // Font 2. Small 16 pixel high font, needs ~3534 bytes in FLASH, 96 characters
     43 #define LOAD_FONT4  // Font 4. Medium 26 pixel high font, needs ~5848 bytes in FLASH, 96 characters
     44 #define LOAD_FONT6  // Font 6. Large 48 pixel font, needs ~2666 bytes in FLASH, only characters 1234567890:-.apm
     45 #define LOAD_FONT7  // Font 7. 7 segment 48 pixel font, needs ~2438 bytes in FLASH, only characters 1234567890:-.
     46 #define LOAD_FONT8  // Font 8. Large 75 pixel font needs ~3256 bytes in FLASH, only characters 1234567890:-.
     47 #define LOAD_GFXFF  // FreeFonts. Include access to the 48 Adafruit_GFX free fonts FF1 to FF48 and custom fonts
     48 
     49 // STM32 support for smooth fonts via program memory (FLASH) arrays
     50 #define SMOOTH_FONT
     51 
     52 // Assuming the processor clock is 72MHz:
     53 #define SPI_FREQUENCY  36000000   // 36MHz SPI clock
     54 //#define SPI_FREQUENCY  18000000   // 18MHz SPI clock
     55 
     56 #define SPI_READ_FREQUENCY  12000000 // Reads need a slower SPI clock
     57 
     58 #define SPI_TOUCH_FREQUENCY  2500000 // Must be very slow
     59 
     60 // This has no effect, transactions are automatically enabled for STM32
     61 //#define SUPPORT_TRANSACTIONS