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Enable display on esp32-s3-eye

This commit is contained in:
Jeff Epler 2022-08-04 15:11:52 -05:00
parent 8d673bdbf5
commit b903a020fd
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GPG Key ID: D5BF15AB975AB4DE
2 changed files with 100 additions and 4 deletions
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98
ports/espressif/boards/espressif_esp32s3_eye/board.c
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@ -26,14 +26,104 @@
#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, 150,
// sleep out
0x11, 0 | DELAY, 255,
// normal display mode on
0x13, 0,
// 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) {
busio_spi_obj_t *spi = common_hal_board_create_spi(1);
displayio_fourwire_obj_t *bus = &displays[0].fourwire_bus;
bus->base.type = &displayio_fourwire_type;
common_hal_displayio_fourwire_construct(
bus,
spi,
&pin_GPIO43, // DC
&pin_GPIO44, // CS
NULL, // no reset pin
40000000, // baudrate
0, // polarity
0 // phase
);
displayio_display_obj_t *display = &displays[0].display;
display->base.type = &displayio_display_type;
// workaround as board_init() is called before reset_port() in main.c
pwmout_reset();
common_hal_displayio_display_construct(
display,
bus,
240, // width (after rotation)
240, // height (after rotation)
0, // column start
0, // 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_GPIO48, // backlight pin
NO_BRIGHTNESS_COMMAND,
1.0f, // brightness (ignored)
false, // auto_brightness
false, // single_byte_bounds
false, // data_as_commands
true, // auto_refresh
60, // native_frames_per_second
false, // backlight_on_high
false, // SH1107_addressing
50000 // backlight pwm frequency
);
common_hal_never_reset_pin(&pin_GPIO48); // backlight pin
// Debug UART
#ifdef DEBUG
common_hal_never_reset_pin(&pin_GPIO43);
common_hal_never_reset_pin(&pin_GPIO44);
#endif
}
bool board_requests_safe_mode(void) {

6
ports/espressif/boards/espressif_esp32s3_eye/mpconfigboard.h
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@ -38,4 +38,10 @@
#define DEFAULT_SPI_BUS_MISO (&pin_GPIO40)
#define DEFAULT_SPI_BUS_MOSI (&pin_GPIO38)
#define CIRCUITPY_BOARD_SPI (2)
#define CIRCUITPY_BOARD_SPI_PIN { \
{.clock = &pin_GPIO39, .mosi = &pin_GPIO40, .miso = &pin_GPIO38}, \
{.clock = &pin_GPIO21, .mosi = &pin_GPIO47, .miso = NULL}, \
}
#define DEFAULT_RESERVED_PSRAM (1048576)