kopia lustrzana https://github.com/Xinyuan-LilyGO/TTGO-T-Display
78 wiersze
3.4 KiB
C
78 wiersze
3.4 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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// Typical Arduino SPI port 1 pins are (SCK=D13, MISO=D12, MOSI=D11) this is port pins PA5, PA6 and PA7 on Nucleo-F767ZI
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// SPI port 2 pins are (SCK=D18, MISO=A7, MOSI=D17) this is typically port pins PB13, PB14 and PB15
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#define TFT_SPI_PORT 1 // SPI 1 maximum clock rate is 55MHz
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#define TFT_MOSI PA7
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#define TFT_MISO PA6
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#define TFT_SCLK PA5
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//#define TFT_SPI_PORT 2 // SPI 2 maximum clock rate is 27MHz
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//#define TFT_MOSI PB15
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//#define TFT_MISO PB14
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//#define TFT_SCLK PB13
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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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