ADD: Added LCD driver to board init

This commit is contained in:
ansonhe97 2020-07-03 12:44:20 +08:00
parent 49aacc8596
commit 2a92cf8d8b
1 changed files with 77 additions and 0 deletions

View File

@ -27,8 +27,85 @@
#include "boards/board.h"
#include "mpconfigboard.h"
#include "hal/include/hal_gpio.h"
#include "shared-bindings/busio/SPI.h"
#include "shared-bindings/displayio/FourWire.h"
#include "shared-module/displayio/__init__.h"
#include "shared-module/displayio/mipi_constants.h"
displayio_fourwire_obj_t board_display_obj;
uint8_t display_init_sequence[] = {
0x01, 0x80, 0x80, // Software reset then delay 0x80 (128ms)
0xEF, 0x03, 0x03, 0x80, 0x02,
0xCF, 0x03, 0x00, 0xC1, 0x30,
0xED, 0x04, 0x64, 0x03, 0x12, 0x81,
0xE8, 0x03, 0x85, 0x00, 0x78,
0xCB, 0x05, 0x39, 0x2C, 0x00, 0x34, 0x02,
0xF7, 0x01, 0x20,
0xEA, 0x02, 0x00, 0x00,
0xc0, 0x01, 0x23, // Power control VRH[5:0]
0xc1, 0x01, 0x10, // Power control SAP[2:0];BT[3:0]
0xc5, 0x02, 0x3e, 0x28, // VCM control
0xc7, 0x01, 0x86, // VCM control2
0x36, 0x01, 0x38, // Memory Access Control
0x37, 0x01, 0x00, // Vertical scroll zero
0x3a, 0x01, 0x55, // COLMOD: Pixel Format Set
0xb1, 0x02, 0x00, 0x18, // Frame Rate Control (In Normal Mode/Full Colors)
0xb6, 0x03, 0x08, 0x82, 0x27, // Display Function Control
0xF2, 0x01, 0x00, // 3Gamma Function Disable
0x26, 0x01, 0x01, // Gamma curve selected
0xe0, 0x0f, 0x0F, 0x31, 0x2B, 0x0C, 0x0E, 0x08, 0x4E, 0xF1, 0x37, 0x07, 0x10, 0x03, 0x0E, 0x09, 0x00, // Set Gamma
0xe1, 0x0f, 0x00, 0x0E, 0x14, 0x03, 0x11, 0x07, 0x31, 0xC1, 0x48, 0x08, 0x0F, 0x0C, 0x31, 0x36, 0x0F, // Set Gamma
0x11, 0x80, 0x78, // Exit Sleep then delay 0x78 (120ms)
0x29, 0x80, 0x78, // Display on then delay 0x78 (120ms)
};
void board_init(void) {
busio_spi_obj_t* spi = &displays[0].fourwire_bus.inline_bus;
common_hal_busio_spi_construct(spi, &pin_PB20, &pin_PB19, NULL);
common_hal_busio_spi_never_reset(spi);
displayio_fourwire_obj_t* bus = &displays[0].fourwire_bus;
bus->base.type = &displayio_fourwire_type;
common_hal_displayio_fourwire_construct(bus,
spi,
&pin_PC06, // TFT_DC Command or data
&pin_PB21, // TFT_CS Chip select
&pin_PC07, // TFT_RST Reset
60000000, // Baudrate
0, // Polarity
0); // Phase
displayio_display_obj_t* display = &displays[0].display;
display->base.type = &displayio_display_type;
common_hal_displayio_display_construct(display,
bus,
320, // Width
240, // Height
0, // column start
0, // row start
180, // 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
0x37, // set vertical scroll command
display_init_sequence,
sizeof(display_init_sequence),
&pin_PC05, // backlight pin
NO_BRIGHTNESS_COMMAND,
1.0f, // brightness (ignored)
true, // auto_brightness
false, // single_byte_bounds
false, // data_as_commands
true, // auto_refresh
60, // native_frames_per_second
true); // backlight_on_high
}
bool board_requests_safe_mode(void) {