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add pindefs for tft and tft control

This commit is contained in:
brentru 2019-08-07 18:29:20 -04:00
parent 8f6eac98f3
commit 1d4700cb6c
2 changed files with 47 additions and 34 deletions
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72
ports/atmel-samd/boards/pyportal_titano/board.c
View File

@ -28,6 +28,9 @@
#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"
@ -36,49 +39,50 @@
#define DELAY 0x80
uint8_t display_init_sequence[] = {
0xEF, 3, 0x03, 0x80, 0x02,
0xCF, 3, 0x00, 0xC1, 0x30,
0xED, 4, 0x64, 0x03, 0x12, 0x81,
0xE8, 3, 0x85, 0x00, 0x78,
0xCB, 5, 0x39, 0x2C, 0x00, 0x34, 0x02,
0xF7, 1, 0x20,
0xEA, 2, 0x00, 0x00,
0xc0, 1, 0x23, // Power control VRH[5:0]
0xc1, 1, 0x10, // Power control SAP[2:0];BT[3:0]
0xc5, 2, 0x3e, 0x28, // VCM control
0xc7, 1, 0x86, // VCM control2
0x36, 1, 0xa8, // Memory Access Control
0x37, 1, 0x00, // Vertical scroll zero
0x3a, 1, 0x55, // COLMOD: Pixel Format Set
0xb1, 2, 0x00, 0x18, // Frame Rate Control (In Normal Mode/Full Colors)
0xb6, 3, 0x08, 0xa2, 0x27, // Display Function Control
0xF2, 1, 0x00, // 3Gamma Function Disable
0x26, 1, 0x01, // Gamma curve selected
0xe0, 15, 0x0F, 0x31, 0x2B, 0x0C, 0x0E, 0x08, // Set Gamma
0x4E, 0xF1, 0x37, 0x07, 0x10, 0x03, 0x0E, 0x09, 0x00,
0xe1, 15, 0x00, 0x0E, 0x14, 0x03, 0x11, 0x07, // Set Gamma
0x31, 0xC1, 0x48, 0x08, 0x0F, 0x0C, 0x31, 0x36, 0x0F,
0x11, DELAY, 120, // Exit Sleep
0x29, DELAY, 120, // Display on
0x01, 2, 0x80, 0x64, // swreset
0xB9, 5, 0x83, 0xFF, 0x83, 0x57, 0xFF,
0xB3, 5, 0x04, 0x80, 0x00, 0x06, 0x06,
0xB6, 2, 0x01, 0x25,
0xCC, 2, 0x01, 0x05,
0xB1, 7,
0x06, 0x00, 0x15, 0x1C, 0x1C, 0x83, 0xAA,
0xC0, 7,
0x06, 0x50, 0x50, 0x01, 0x3C, 0x1E, 0x08,
0xB4, 8,
0x07, 0x02, 0x40, 0x00, 0x2A, 0x2A, 0x0D, 0x78,
0xE0, 34,
0x02, 0x0A, 0x11, 0x1d, 0x23, 0x35, 0x41, 0x4b, 0x4b,
0x42, 0x3A, 0x27, 0x1B, 0x08, 0x09, 0x03, 0x02, 0x0A,
0x11, 0x1d, 0x23, 0x35, 0x41, 0x4b, 0x4b, 0x42, 0x3A,
0x27, 0x1B, 0x08, 0x09, 0x03, 0x00, 0x01,
0x3a, 1, 0x55,
0x36, 1, 0xC0,
0x35, 1, 0x00,
0x44, 2, 0x00, 0x02,
0x11, 0x80 + 150/5, // Exit Sleep, then delay 150 ms
0x29, 0x80 + 50/5
};
void board_init(void) {
displayio_parallelbus_obj_t* bus = &displays[0].parallel_bus;
bus->base.type = &displayio_parallelbus_type;
common_hal_displayio_parallelbus_construct(bus,
&pin_PA16, // Data0
&pin_PB05, // Command or data
&pin_PB06, // Chip select
&pin_PB09, // Write
&pin_PB04, // Read
&pin_PA00); // Reset
busio_spi_obj_t* spi = &displays[0].fourwire_bus.inline_bus;
common_hal_busio_spi_construct(spi, &pin_PA13, &pin_PA12, &pin_PA14);
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_PB05, // TFT_DC Command or data
&pin_PB06, // TFT_CS Chip select
&pin_PA00, // TFT_RST Reset
24000000);
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
480, // Height
0, // column start
0, // row start
0, // rotation

9
ports/atmel-samd/boards/pyportal_titano/pins.c
View File

@ -80,6 +80,15 @@ STATIC const mp_rom_map_elem_t board_global_dict_table[] = {
{ MP_ROM_QSTR(MP_QSTR_SPI), MP_ROM_PTR(&board_spi_obj) },
{ MP_ROM_QSTR(MP_QSTR_UART), MP_ROM_PTR(&board_uart_obj) },
// TFT control pins
{MP_OBJ_NEW_QSTR(MP_QSTR_TFT_LITE), MP_ROM_PTR(&pin_PB31)},
{MP_OBJ_NEW_QSTR(MP_QSTR_TFT_MOSI), MP_ROM_PTR(&pin_PA12)},
{MP_OBJ_NEW_QSTR(MP_QSTR_TFT_SCK), MP_ROM_PTR(&pin_PA13)},
{MP_OBJ_NEW_QSTR(MP_QSTR_TFT_MISO), MP_ROM_PTR(&pin_PA14)},
{MP_OBJ_NEW_QSTR(MP_QSTR_TFT_RST), MP_ROM_PTR(&pin_PA00)},
{MP_ROM_QSTR(MP_QSTR_TFT_CS), MP_ROM_PTR(&pin_PB06)},
{MP_ROM_QSTR(MP_QSTR_TFT_DC), MP_ROM_PTR(&pin_PB05)},
{ MP_ROM_QSTR(MP_QSTR_DISPLAY), MP_ROM_PTR(&displays[0].display) },
};
MP_DEFINE_CONST_DICT(board_module_globals, board_global_dict_table);