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display is functional now

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This commit is contained in:
Taiki Komoda 2023-10-08 23:51:18 +09:00
parent 0dfafe2a4b
commit 96ae87e559
3 changed files with 107 additions and 0 deletions
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101
ports/espressif/boards/m5stack_atoms3/board.c
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@ -25,5 +25,106 @@
*/
#include "supervisor/board.h"
#include "mpconfigboard.h"
#include "shared-bindings/busio/SPI.h"
#include "shared-bindings/displayio/FourWire.h"
#include "shared-bindings/microcontroller/Pin.h"
#include "shared-module/displayio/__init__.h"
#include "shared-module/displayio/mipi_constants.h"
#include "shared-bindings/board/__init__.h"
displayio_fourwire_obj_t board_display_obj;
#define DELAY 0x80
// display init sequence according to LilyGO example app
uint8_t display_init_sequence[] = {
// sw reset
0x01, 0 | DELAY, 0x96,
// sleep out
0x11, 0 | DELAY, 0xff,
// normal display mode on
// 0x13, 0,
// display and color format settings
// 0x36, 1, 0x68,
// 0xB6, 2, 0x0A, 0x82,
0x3A, 1 | DELAY, 0x55, 0x0a,
0x36, 0x01, 0x08, // _MADCTL
0x21, 0x80, 0x0A, // _INVON Hack and Delay 10ms
0x13, 0x80, 0x0A, // _NORON and Delay 10ms
0x36, 0x01, 0xC0, // _MADCTL
// 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, 0xff
};
void board_init(void) {
displayio_fourwire_obj_t *bus = &allocate_display_bus()->fourwire_bus;
// busio_spi_obj_t *spi = common_hal_board_create_spi(0);
busio_spi_obj_t *spi = &bus->inline_bus;
common_hal_busio_spi_construct(spi, &pin_GPIO17, &pin_GPIO21, NULL, false);
common_hal_busio_spi_never_reset(spi);
bus->base.type = &displayio_fourwire_type;
common_hal_displayio_fourwire_construct(
bus,
spi,
&pin_GPIO33, // DC
&pin_GPIO15, // CS
&pin_GPIO34, // RST
40000000, // baudrate
0, // polarity
0 // phase
);
displayio_display_obj_t *display = &allocate_display()->display;
display->base.type = &displayio_display_type;
common_hal_displayio_display_construct(
display,
bus,
128, // width (after rotation)
128, // height (after rotation)
2, // column start
1, // row start
0, // rotation
16, // color depth
false, // grayscale
false, // pixels in a byte share a row. Only valid for depths < 8
1, // bytes per cell. Only valid for depths < 8
false, // reverse_pixels_in_byte. Only valid for depths < 8
true, // reverse_pixels_in_word
MIPI_COMMAND_SET_COLUMN_ADDRESS, // set column command
MIPI_COMMAND_SET_PAGE_ADDRESS, // set row command
MIPI_COMMAND_WRITE_MEMORY_START, // write memory command
display_init_sequence,
sizeof(display_init_sequence),
&pin_GPIO16, // backlight pin
NO_BRIGHTNESS_COMMAND,
1.0f, // brightness
false, // single_byte_bounds
false, // data_as_commands
true, // auto_refresh
60, // native_frames_per_second
true, // backlight_on_high
false, // SH1107_addressing
50000 // backlight pwm frequency
);
}
// Use the MP_WEAK supervisor/shared/board.c versions of routines not defined here.

3
ports/espressif/boards/m5stack_atoms3/mpconfigboard.h
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@ -34,3 +34,6 @@
#define CIRCUITPY_BOARD_I2C (2)
#define CIRCUITPY_BOARD_I2C_PIN {{.scl = &pin_GPIO39, .sda = &pin_GPIO38}, \
{.scl = &pin_GPIO1, .sda = &pin_GPIO2}}
#define DEFAULT_SPI_BUS_SCK (&pin_GPIO17)
#define DEFAULT_SPI_BUS_MOSI (&pin_GPIO21)

3
ports/espressif/boards/m5stack_atoms3/pins.c
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@ -27,7 +27,9 @@ STATIC const mp_rom_map_elem_t board_module_globals_table[] = {
{ MP_ROM_QSTR(MP_QSTR_D8), MP_ROM_PTR(&pin_GPIO8) },
{ MP_ROM_QSTR(MP_QSTR_D39), MP_ROM_PTR(&pin_GPIO39) },
{ MP_ROM_QSTR(MP_QSTR_IMU_SCL), MP_ROM_PTR(&pin_GPIO39) },
{ MP_ROM_QSTR(MP_QSTR_D38), MP_ROM_PTR(&pin_GPIO38) },
{ MP_ROM_QSTR(MP_QSTR_IMU_SDA), MP_ROM_PTR(&pin_GPIO38) },
// lcd spi bus
{ MP_ROM_QSTR(MP_QSTR_LCD_MOSI), MP_ROM_PTR(&pin_GPIO21) },
@ -43,6 +45,7 @@ STATIC const mp_rom_map_elem_t board_module_globals_table[] = {
{ MP_ROM_QSTR(MP_QSTR_I2C), MP_ROM_PTR(&board_i2c_obj) },
{ MP_ROM_QSTR(MP_QSTR_PORTA_I2C), MP_ROM_PTR(&board_porta_i2c_obj) },
{ MP_ROM_QSTR(MP_QSTR_SPI), MP_ROM_PTR(&board_spi_obj) },
{ MP_ROM_QSTR(MP_QSTR_DISPLAY), MP_ROM_PTR(&displays[0].display)}
};