forked from Bodmer/TFT_eSPI
Bodmer
65ccbf0139
Boost performance for ILI9488 display with STM32 processors. Enable smooth fonts in setup files (smooth fonts for STM32 processors is now supported with fonts in program memory)
67 lines
3.1 KiB
C
67 lines
3.1 KiB
C
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///////////////////////////////////////////////////
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// Setup for STM32 Nucleo and ILI9341 display //
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///////////////////////////////////////////////////
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// Last update by Bodmer: 28/11/19
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// STM32 optimised functions are not yet compatible with STM32H743 processor.
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// The STM32H743 does work with the slower generic processor drivers
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//
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// REMINDER - Nucleo-F743ZI and Nucleo-F743ZI2 have different pin port allocations
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// and require appropriate selection in IDE. ^---- Note the extra 2 in part number!
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// Define STM32 to invoke STM32 optimised driver
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#define STM32
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// Define the TFT display driver
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#define ILI9341_DRIVER
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//#define ILI9481_DRIVER
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// MOSI and SCK do not need to be defined, connect:
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// - Arduino SCK to TFT SCK
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// - Arduino MOSI to TFT SDI(may be marked SDA or MOSI)
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// Standard Arduino SPI pins are (SCK=D13, MOSI=D11) this is port pins PA5 and PA7 on Nucleo-F767ZI
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// Can use Ardiuno pin references, arbitrary allocation, TFT_eSPI controls chip select
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#define TFT_CS D5 // Chip select control pin to TFT CS
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#define TFT_DC D6 // Data Command control pin to TFT DC (may be labelled RS = Register Select)
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#define TFT_RST D7 // Reset pin to TFT RST (or RESET)
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// Alternatively, we can use STM32 port reference names PXnn
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//#define TFT_CS PE11 // Nucleo-F767ZI equivalent of D5
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//#define TFT_DC PE9 // Nucleo-F767ZI equivalent of D6
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//#define TFT_RST PF13 // Nucleo-F767ZI equivalent of D7
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//#define TFT_RST -1 // Set TFT_RST to -1 if the display RESET is connected to processor reset
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// Use an Arduino pin for initial testing as connecting to processor reset
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// may not work (pulse too short at power up?)
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// Chip select for XPT2046 touch controller
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#define TOUCH_CS D4
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#define LOAD_GLCD // Font 1. Original Adafruit 8 pixel font needs ~1820 bytes in FLASH
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#define LOAD_FONT2 // Font 2. Small 16 pixel high font, needs ~3534 bytes in FLASH, 96 characters
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#define LOAD_FONT4 // Font 4. Medium 26 pixel high font, needs ~5848 bytes in FLASH, 96 characters
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#define LOAD_FONT6 // Font 6. Large 48 pixel font, needs ~2666 bytes in FLASH, only characters 1234567890:-.apm
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#define LOAD_FONT7 // Font 7. 7 segment 48 pixel font, needs ~2438 bytes in FLASH, only characters 1234567890:-.
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#define LOAD_FONT8 // Font 8. Large 75 pixel font needs ~3256 bytes in FLASH, only characters 1234567890:-.
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#define LOAD_GFXFF // FreeFonts. Include access to the 48 Adafruit_GFX free fonts FF1 to FF48 and custom fonts
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// STM32 support for smooth fonts via program memory (FLASH) arrays
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#define SMOOTH_FONT
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// Nucleo-F767ZI has a ~216MHZ CPU clock, this is divided by 4, 8, 16 etc
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#define SPI_FREQUENCY 27000000 // 27MHz SPI clock
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//#define SPI_FREQUENCY 55000000 // 55MHz is over-clocking ILI9341 but seems to work reliably!
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#define SPI_READ_FREQUENCY 15000000 // Reads need a slower SPI clock, probably ends up at 13.75MHz (CPU clock/16)
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#define SPI_TOUCH_FREQUENCY 2500000 // Must be very slow
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// This has no effect, transactions for STM32 are automatically enabled
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#define SUPPORT_TRANSACTIONS
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