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Merge pull request #1453 from tannewt/text_on_pyportal 

Enable the display on pyportal
This commit is contained in:
Scott Shawcroft 2019-01-11 10:33:16 -08:00 committed by GitHub
parent 573c6d60ba b2cec6275c
commit 62a8cc2825
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GPG Key ID: 4AEE18F83AFDEB23
8 changed files with 110 additions and 2 deletions
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79
ports/atmel-samd/boards/pyportal/board.c
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@ -28,7 +28,85 @@
#include "mpconfigboard.h"
#include "hal/include/hal_gpio.h"
#include "shared-bindings/displayio/FourWire.h"
#include "shared-module/displayio/mipi_constants.h"
#include "tick.h"
displayio_fourwire_obj_t board_display_obj;
#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, 0x38, // 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, 0x82, 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
};
void board_init(void) {
board_display_obj.base.type = &displayio_fourwire_type;
common_hal_displayio_fourwire_construct(&board_display_obj,
&pin_PA13, // Clock
&pin_PA12, // Data
&pin_PB09, // Command or data
&pin_PB06, // Chip select
&pin_PA00, // Reset
320, // Width
240, // Height
0, // column start
0, // row start
16, // Color depth
MIPI_COMMAND_SET_COLUMN_ADDRESS, // Set column command
MIPI_COMMAND_SET_PAGE_ADDRESS, // Set row command
MIPI_COMMAND_WRITE_MEMORY_START); // Write memory command
uint32_t i = 0;
common_hal_displayio_fourwire_begin_transaction(&board_display_obj);
while (i < sizeof(display_init_sequence)) {
uint8_t *cmd = display_init_sequence + i;
uint8_t data_size = *(cmd + 1);
bool delay = (data_size & DELAY) != 0;
data_size &= ~DELAY;
uint8_t *data = cmd + 2;
common_hal_displayio_fourwire_send(&board_display_obj, true, cmd, 1);
common_hal_displayio_fourwire_send(&board_display_obj, false, data, data_size);
if (delay) {
data_size++;
uint16_t delay_length_ms = *(cmd + 1 + data_size);
if (delay_length_ms == 255) {
delay_length_ms = 500;
}
uint64_t start = ticks_ms;
while (ticks_ms - start < delay_length_ms) {}
} else {
uint64_t start = ticks_ms;
while (ticks_ms - start < 10) {}
}
i += 2 + data_size;
}
common_hal_displayio_fourwire_end_transaction(&board_display_obj);
}
bool board_requests_safe_mode(void) {
@ -36,4 +114,5 @@ bool board_requests_safe_mode(void) {
}
void reset_board(void) {
common_hal_displayio_fourwire_show(&board_display_obj, NULL);
}

2
ports/atmel-samd/boards/pyportal/mpconfigboard.h
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@ -38,3 +38,5 @@
// USB is always used internally so skip the pin objects for it.
#define IGNORE_PIN_PA24 1
#define IGNORE_PIN_PA25 1
#define CIRCUITPY_DISPLAYIO (1)

3
ports/atmel-samd/boards/pyportal/pins.c
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@ -1,5 +1,6 @@
#include "shared-bindings/board/__init__.h"
#include "boards/board.h"
#include "board_busses.h"
// This mapping only includes functional names because pins broken
@ -51,5 +52,7 @@ STATIC const mp_map_elem_t board_global_dict_table[] = {
{ MP_ROM_QSTR(MP_QSTR_I2C), MP_ROM_PTR(&board_i2c_obj) },
{ MP_ROM_QSTR(MP_QSTR_SPI), MP_ROM_PTR(&board_spi_obj) },
{ MP_ROM_QSTR(MP_QSTR_DISPLAY), MP_ROM_PTR(&board_display_obj)}
};
MP_DEFINE_CONST_DICT(board_module_globals, board_global_dict_table);

6
ports/atmel-samd/common-hal/displayio/FourWire.c
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@ -40,6 +40,8 @@ void common_hal_displayio_fourwire_construct(displayio_fourwire_obj_t* self,
uint8_t set_column_command, uint8_t set_row_command, uint8_t write_ram_command) {
common_hal_busio_spi_construct(&self->bus, clock, data, mp_const_none);
common_hal_busio_spi_never_reset(&self->bus);
common_hal_digitalio_digitalinout_construct(&self->command, command);
common_hal_digitalio_digitalinout_switch_to_output(&self->command, true, DRIVE_MODE_PUSH_PULL);
common_hal_digitalio_digitalinout_construct(&self->chip_select, chip_select);
@ -48,6 +50,10 @@ void common_hal_displayio_fourwire_construct(displayio_fourwire_obj_t* self,
common_hal_digitalio_digitalinout_construct(&self->reset, reset);
common_hal_digitalio_digitalinout_switch_to_output(&self->reset, true, DRIVE_MODE_PUSH_PULL);
never_reset_pin_number(command->number);
never_reset_pin_number(chip_select->number);
never_reset_pin_number(reset->number);
self->width = width;
self->height = height;
self->color_depth = color_depth;

12
ports/atmel-samd/common-hal/microcontroller/__init__.c
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@ -252,6 +252,18 @@ STATIC const mp_rom_map_elem_t mcu_pin_global_dict_table[] = {
#if defined(PIN_PB17) && !defined(IGNORE_PIN_PB17)
{ MP_ROM_QSTR(MP_QSTR_PB17), MP_ROM_PTR(&pin_PB17) },
#endif
#if defined(PIN_PB18) && !defined(IGNORE_PIN_PB18)
{ MP_ROM_QSTR(MP_QSTR_PB18), MP_ROM_PTR(&pin_PB18) },
#endif
#if defined(PIN_PB19) && !defined(IGNORE_PIN_PB19)
{ MP_ROM_QSTR(MP_QSTR_PB19), MP_ROM_PTR(&pin_PB19) },
#endif
#if defined(PIN_PB20) && !defined(IGNORE_PIN_PB20)
{ MP_ROM_QSTR(MP_QSTR_PB20), MP_ROM_PTR(&pin_PB20) },
#endif
#if defined(PIN_PB21) && !defined(IGNORE_PIN_PB21)
{ MP_ROM_QSTR(MP_QSTR_PB21), MP_ROM_PTR(&pin_PB21) },
#endif
#if defined(PIN_PB22) && !defined(IGNORE_PIN_PB22)
{ MP_ROM_QSTR(MP_QSTR_PB22), MP_ROM_PTR(&pin_PB22) },
#endif

3
ports/atmel-samd/mphalport.c
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@ -57,7 +57,8 @@ void mp_hal_delay_ms(mp_uint_t delay) {
MICROPY_VM_HOOK_LOOP
#endif
// Check to see if we've been CTRL-Ced by autoreload or the user.
if(MP_STATE_VM(mp_pending_exception) == MP_OBJ_FROM_PTR(&MP_STATE_VM(mp_kbd_exception))) {
if(MP_STATE_VM(mp_pending_exception) == MP_OBJ_FROM_PTR(&MP_STATE_VM(mp_kbd_exception)) ||
MP_STATE_VM(mp_pending_exception) == MP_OBJ_FROM_PTR(&MP_STATE_VM(mp_reload_exception))) {
break;
}
duration = (ticks_ms - start_tick);

3
ports/nrf/mphalport.c
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@ -42,7 +42,8 @@ void mp_hal_delay_ms(mp_uint_t delay) {
MICROPY_VM_HOOK_LOOP
#endif
// Check to see if we've been CTRL-Ced by autoreload or the user.
if(MP_STATE_VM(mp_pending_exception) == MP_OBJ_FROM_PTR(&MP_STATE_VM(mp_kbd_exception))) {
if(MP_STATE_VM(mp_pending_exception) == MP_OBJ_FROM_PTR(&MP_STATE_VM(mp_kbd_exception)) ||
MP_STATE_VM(mp_pending_exception) == MP_OBJ_FROM_PTR(&MP_STATE_VM(mp_reload_exception))) {
break;
}
duration = (ticks_ms - start_tick);

4
shared-module/displayio/Group.c
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@ -71,6 +71,10 @@ bool displayio_group_get_pixel(displayio_group_t *self, int16_t x, int16_t y, ui
if (displayio_sprite_get_pixel(layer, x, y, pixel)) {
return true;
}
} else if (MP_OBJ_IS_TYPE(layer, &displayio_group_type)) {
if (displayio_group_get_pixel(layer, x, y, pixel)) {
return true;
}
}
// TODO: Tiled layer
}