mirror of
https://github.com/Bodmer/TFT_eSPI.git
synced 2025-08-01 03:34:43 +02:00
Update RP2040 PIO support
Add example user setup 61
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Bodmer
@@ -29,7 +29,7 @@
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// Board package specific differences
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#ifdef ARDUINO_ARCH_MBED
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// Not supported at the moment
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#error The Arduino RP2040 MBED board package is not supported. Use the community package by Earle Philhower.
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#error The Arduino RP2040 MBED board package is not supported when PIO is used. Use the community package by Earle Philhower.
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#endif
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// Community RP2040 board package by Earle Philhower
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@@ -213,12 +213,12 @@ void pioinit(uint16_t clock_div, uint16_t fract_div) {
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// Create the pull stall bit mask
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pull_stall_mask = 1u << (PIO_FDEBUG_TXSTALL_LSB + pio_sm);
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// Create the assembler instruction for the jump to byte send routine
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// Create the instructions for the jumps to send routines
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pio_instr_jmp8 = pio_encode_jmp(program_offset + tft_io_offset_start_8);
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//pio_instr_jmp32 = pio_encode_jmp(program_offset + tft_io_offset_start_32);
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pio_instr_fill = pio_encode_jmp(program_offset + tft_io_offset_block_fill);
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pio_instr_addr = pio_encode_jmp(program_offset + tft_io_offset_set_addr_window);
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// Create the instructions to set and clear the DC signal
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pio_instr_set_dc = pio_encode_set((pio_src_dest)0, 1);
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pio_instr_clr_dc = pio_encode_set((pio_src_dest)0, 0);
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}
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@@ -14,16 +14,6 @@
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// by waiting for the SM to be idle and setting its PC.
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// The default SM routine is a 16 bit transfer
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public start_32:
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// Fetch the next 32 bit value from the TX FIFO and set TFT_WR high.
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pull side 1
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// Output byte, TFT_WR low.
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out pins, 8 side 0 [1]
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// Loop until 4 bytes sent, TFT_WR high.
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jmp !osre, send_xy side 1 [1]
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//Jump back to 16 bit
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jmp start_16
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// Do a block fill of N+1 pixels.
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public block_fill:
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// Fetch colour value.
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@@ -12,56 +12,51 @@
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// tft_io //
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// ------ //
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#define tft_io_wrap_target 13
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#define tft_io_wrap 31
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#define tft_io_wrap_target 9
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#define tft_io_wrap 27
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#define tft_io_offset_start_32 0u
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#define tft_io_offset_block_fill 4u
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#define tft_io_offset_start_16 13u
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#define tft_io_offset_start_8 18u
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#define tft_io_offset_set_addr_window 21u
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#define tft_io_offset_block_fill 0u
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#define tft_io_offset_start_16 9u
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#define tft_io_offset_start_8 14u
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#define tft_io_offset_set_addr_window 17u
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static const uint16_t tft_io_program_instructions[] = {
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0x98a0, // 0: pull block side 1
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0x7108, // 1: out pins, 8 side 0 [1]
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0x19fc, // 2: jmp !osre, 28 side 1 [1]
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0x000d, // 3: jmp 13
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0x98a0, // 4: pull block side 1
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0xa027, // 5: mov x, osr
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0x80a0, // 6: pull block
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0xa047, // 7: mov y, osr
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0xb8e1, // 8: mov osr, x side 1
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0x7118, // 9: out pins, 24 side 0 [1]
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0xb942, // 10: nop side 1 [1]
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0x7108, // 11: out pins, 8 side 0 [1]
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0x1888, // 12: jmp y--, 8 side 1
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0xa027, // 1: mov x, osr
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0x80a0, // 2: pull block
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0xa047, // 3: mov y, osr
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0xb8e1, // 4: mov osr, x side 1
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0x7118, // 5: out pins, 24 side 0 [1]
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0xb942, // 6: nop side 1 [1]
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0x7108, // 7: out pins, 8 side 0 [1]
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0x1884, // 8: jmp y--, 4 side 1
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// .wrap_target
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0x98a0, // 13: pull block side 1
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0x7118, // 14: out pins, 24 side 0 [1]
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0xb942, // 15: nop side 1 [1]
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0x7108, // 16: out pins, 8 side 0 [1]
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0x180d, // 17: jmp 13 side 1
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0x98a0, // 18: pull block side 1
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0x7100, // 19: out pins, 32 side 0 [1]
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0x180d, // 20: jmp 13 side 1
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0xf822, // 21: set x, 2 side 1
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0xe000, // 22: set pins, 0
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0x80a0, // 23: pull block
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0x7000, // 24: out pins, 32 side 0
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0x003e, // 25: jmp !x, 30
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0x98a0, // 26: pull block side 1
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0x98a0, // 9: pull block side 1
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0x7118, // 10: out pins, 24 side 0 [1]
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0xb942, // 11: nop side 1 [1]
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0x7108, // 12: out pins, 8 side 0 [1]
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0x1809, // 13: jmp 9 side 1
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0x98a0, // 14: pull block side 1
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0x7100, // 15: out pins, 32 side 0 [1]
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0x1809, // 16: jmp 9 side 1
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0xf822, // 17: set x, 2 side 1
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0xe000, // 18: set pins, 0
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0x80a0, // 19: pull block
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0x7000, // 20: out pins, 32 side 0
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0x003a, // 21: jmp !x, 26
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0x98a0, // 22: pull block side 1
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0xe001, // 23: set pins, 1
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0x7108, // 24: out pins, 8 side 0 [1]
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0x19f8, // 25: jmp !osre, 24 side 1 [1]
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0x1852, // 26: jmp x--, 18 side 1
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0xe001, // 27: set pins, 1
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0x7108, // 28: out pins, 8 side 0 [1]
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0x19fc, // 29: jmp !osre, 28 side 1 [1]
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0x1856, // 30: jmp x--, 22 side 1
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0xe001, // 31: set pins, 1
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// .wrap
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};
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#if !PICO_NO_HARDWARE
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static const struct pio_program tft_io_program = {
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.instructions = tft_io_program_instructions,
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.length = 32,
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.length = 28,
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.origin = -1,
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};
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@@ -9,14 +9,14 @@
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The built-in fonts 4, 6, 7 and 8 are Run Length
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Encoded (RLE) to reduce the FLASH footprint.
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Last review/edit by Bodmer: 21/04/21
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Last review/edit by Bodmer: 05/01/22
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****************************************************/
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// Stop fonts etc being loaded multiple times
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#ifndef _TFT_eSPIH_
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#define _TFT_eSPIH_
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#define TFT_ESPI_VERSION "2.4.21"
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#define TFT_ESPI_VERSION "2.4.22"
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// Bit level feature flags
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// Bit 0 set: viewport capability
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44
User_Setups/Setup61_RP2040_ILI9341_PIO_SPI.h
Normal file
44
User_Setups/Setup61_RP2040_ILI9341_PIO_SPI.h
Normal file
@@ -0,0 +1,44 @@
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// Setup file for RP2040 and SPI ILI9341 display using PIO for the display interface
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// The PIO can only be user with Earle Philhower's RP2040 board package:
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// https://github.com/earlephilhower/arduino-pico
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// PIO SPI allows high SPI clock rates to be used when the processor is over-clocked.
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// PIO SPI is "write only" and the TFT_eSPI touch functions are not supported.
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// A touch screen could be used with a third party library on different SPI pins.
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// This invokes the PIO based SPI interface for the RP2040 processor.
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#define RP2040_PIO_SPI
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// TFT driver
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#define ILI9341_DRIVER
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// Pins - the PIO will control MOSI, SCLK and DC pins
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// Any digital GPIO pins may be used
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//#define TFT_MISO -1 // MISO is not used or supported
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#define TFT_MOSI 11
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#define TFT_SCLK 10
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#define TFT_CS 9 // Chip select control pin
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#define TFT_DC 8 // Data Command control pin
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#define TFT_RST 15 // Reset pin (could connect to Arduino RESET pin)
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//#define TFT_BL 13 // Optional LED back-light control pin
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//#define TFT_BACKLIGHT_ON LOW // Level to turn ON back-light (HIGH or LOW)
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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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#define SMOOTH_FONT
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// #define SPI_FREQUENCY 1000000
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// #define SPI_FREQUENCY 5000000
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// #define SPI_FREQUENCY 10000000
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// #define SPI_FREQUENCY 20000000
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// #define SPI_FREQUENCY 32000000
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#define SPI_FREQUENCY 62500000
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@@ -1,6 +1,6 @@
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{
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"name": "TFT_eSPI",
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"version": "2.4.21",
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"version": "2.4.22",
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"keywords": "Arduino, tft, ePaper, display, Pico, RP2040, STM32, ESP8266, NodeMCU, ESP32, M5Stack, ILI9341, ST7735, ILI9163, S6D02A1, ILI9481, ILI9486, ILI9488, ST7789, RM68140, SSD1351, SSD1963, ILI9225, HX8357D",
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"description": "A TFT and ePaper SPI graphics library with optimisation for Raspberry Pi Pico, ESP8266, ESP32 and STM32",
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"repository":
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@@ -1,5 +1,5 @@
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name=TFT_eSPI
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version=2.4.21
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version=2.4.22
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author=Bodmer
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maintainer=Bodmer
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sentence=TFT graphics library for Arduino processors with performance optimisation for RP2040, STM32, ESP8266 and ESP32
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