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This commit is contained in:
lady ada 2021-11-10 23:13:22 -05:00
parent d30c3ba4c6
commit bcec249091
2 changed files with 82 additions and 46 deletions
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126
ports/espressif/boards/adafruit_feather_esp32s2_tft/board.c
View File

@ -32,22 +32,42 @@
#include "shared-module/displayio/__init__.h" #include "shared-module/displayio/__init__.h"
#include "shared-module/displayio/mipi_constants.h" #include "shared-module/displayio/mipi_constants.h"
/*
displayio_fourwire_obj_t board_display_obj; displayio_fourwire_obj_t board_display_obj;
#define DELAY 0x80 #define DELAY 0x80
// display init sequence according to LilyGO example app
uint8_t display_init_sequence[] = { uint8_t display_init_sequence[] = {
0x01, 0 | DELAY, 150, // SWRESET // sw reset
0x11, 0 | DELAY, 255, // SLPOUT 0x01, 0 | DELAY, 150,
0x36, 1, 0x00, // _MADCTL bottom to top refresh in vsync aligned order. // sleep out
0x3a, 1, 0x55, // COLMOD - 16bit color 0x11, 0 | DELAY, 255,
0x21, 0 | DELAY, 10, // _INVON // normal display mode on
0x13, 0 | DELAY, 10, // _NORON 0x13, 0,
0x29, 0 | DELAY, 255, // _DISPON // display and color format settings
0x36, 1, 0x08,
0xB6, 2, 0x0A, 0x82,
0x3A, 1 | DELAY, 0x55, 10,
// ST7789V frame rate setting
0xB2, 5, 0x0C, 0x0C, 0x00, 0x33, 0x33,
// voltages: VGH / VGL
0xB7, 1, 0x35,
// ST7789V power setting
0xBB, 1, 0x28,
0xC0, 1, 0x0C,
0xC2, 2, 0x01, 0xFF,
0xC3, 1, 0x10,
0xC4, 1, 0x20,
0xC6, 1, 0x0F,
0xD0, 2, 0xA4, 0xA1,
// ST7789V gamma setting
0xE0, 14, 0xD0, 0x00, 0x02, 0x07, 0x0A, 0x28, 0x32, 0x44, 0x42, 0x06, 0x0E, 0x12, 0x14, 0x17,
0xE1, 14, 0xD0, 0x00, 0x02, 0x07, 0x0A, 0x28, 0x31, 0x54, 0x47, 0x0E, 0x1C, 0x17, 0x1B, 0x1E,
0x21, 0,
// display on
0x29, 0 | DELAY, 255,
}; };
*/
void board_init(void) { void board_init(void) {
// USB // USB
@ -55,53 +75,69 @@ void board_init(void) {
common_hal_never_reset_pin(&pin_GPIO20); common_hal_never_reset_pin(&pin_GPIO20);
/* busio_spi_obj_t *spi = &displays[0].fourwire_bus.inline_bus;
busio_spi_obj_t* spi = &displays[0].fourwire_bus.inline_bus;
common_hal_busio_spi_construct(spi, &pin_GPIO36, &pin_GPIO35, NULL); common_hal_busio_spi_construct(
spi,
&pin_GPIO36, // CLK
&pin_GPIO35, // MOSI
NULL // MISO not connected
);
common_hal_busio_spi_never_reset(spi); common_hal_busio_spi_never_reset(spi);
displayio_fourwire_obj_t* bus = &displays[0].fourwire_bus; displayio_fourwire_obj_t* bus = &displays[0].fourwire_bus;
bus->base.type = &displayio_fourwire_type; bus->base.type = &displayio_fourwire_type;
common_hal_displayio_fourwire_construct(bus,
spi,
&pin_GPIO40, // TFT_DC Command or data
&pin_GPIO42, // TFT_CS Chip select
&pin_GPIO41, // TFT_RST Reset
4000000, // Baudrate
0, // Polarity
0); // Phase
common_hal_displayio_fourwire_construct(
bus,
spi,
&pin_GPIO39, // DC
&pin_GPIO21, // CS
&pin_GPIO40, // RST
40000000, // baudrate
0, // polarity
0 // phase
);
displayio_display_obj_t* display = &displays[0].display; displayio_display_obj_t* display = &displays[0].display;
display->base.type = &displayio_display_type; display->base.type = &displayio_display_type;
common_hal_displayio_display_construct(display,
// workaround as board_init() is called before reset_port() in main.c
pwmout_reset();
common_hal_displayio_display_construct(
display,
bus, bus,
240, // Width (after rotation) 240, // width (after rotation)
135, // Height (after rotation) 135, // height (after rotation)
0, // column start 52, // column start
0, // row start 40, // row start
0, // rotation 90, // rotation
16, // Color depth 16, // color depth
false, // Grayscale false, // grayscale
false, // Pixels in a byte share a row. Only used for depth < 8 false, // pixels in a byte share a row. Only valid for depths < 8
1, // bytes per cell. Only valid for depths < 8 1, // bytes per cell. Only valid for depths < 8
false, // reverse_pixels_in_byte. Only valid for depths < 8 false, // reverse_pixels_in_byte. Only valid for depths < 8
true, // reverse_pixels_in_word true, // reverse_pixels_in_word
MIPI_COMMAND_SET_COLUMN_ADDRESS, // Set column command MIPI_COMMAND_SET_COLUMN_ADDRESS, // set column command
MIPI_COMMAND_SET_PAGE_ADDRESS, // Set row command MIPI_COMMAND_SET_PAGE_ADDRESS, // set row command
MIPI_COMMAND_WRITE_MEMORY_START, // Write memory command MIPI_COMMAND_WRITE_MEMORY_START, // write memory command
display_init_sequence, display_init_sequence,
sizeof(display_init_sequence), sizeof(display_init_sequence),
&pin_GPIO7, // backlight pin &pin_GPIO45, // backlight pin
NO_BRIGHTNESS_COMMAND, NO_BRIGHTNESS_COMMAND,
1.0f, // brightness (ignored) 1.0f, // brightness (ignored)
true, // auto_brightness false, // auto_brightness
false, // single_byte_bounds false, // single_byte_bounds
false, // data_as_commands false, // data_as_commands
true, // auto_refresh true, // auto_refresh
60, // native_frames_per_second 60, // native_frames_per_second
true, // backlight_on_high true, // backlight_on_high
false); // not SH1107 false // SH1107_addressing
*/ );
common_hal_never_reset_pin(&pin_GPIO45); // backlight pin
} }
bool board_requests_safe_mode(void) { bool board_requests_safe_mode(void) {

2
ports/espressif/boards/adafruit_feather_esp32s2_tft/pins.c
View File

@ -68,6 +68,6 @@ STATIC const mp_rom_map_elem_t board_module_globals_table[] = {
{ MP_ROM_QSTR(MP_QSTR_SPI), MP_ROM_PTR(&board_spi_obj) }, { MP_ROM_QSTR(MP_QSTR_SPI), MP_ROM_PTR(&board_spi_obj) },
{ MP_ROM_QSTR(MP_QSTR_UART), MP_ROM_PTR(&board_uart_obj) } { MP_ROM_QSTR(MP_QSTR_UART), MP_ROM_PTR(&board_uart_obj) }
// { MP_ROM_QSTR(MP_QSTR_DISPLAY), MP_ROM_PTR(&displays[0].display)} { MP_ROM_QSTR(MP_QSTR_DISPLAY), MP_ROM_PTR(&displays[0].display)}
}; };
MP_DEFINE_CONST_DICT(board_module_globals, board_module_globals_table); MP_DEFINE_CONST_DICT(board_module_globals, board_module_globals_table);