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Merge pull request #1785 from pewpew-game/ugame-displayio

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Enable displayio for the ugame10 board
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Scott Shawcroft 2019-04-12 13:26:51 -07:00 committed by GitHub
commit c064deaaf5
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8 changed files with 110 additions and 33 deletions
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2
frozen/circuitpython-stage

@ -1 +1 @@
Subproject commit d8a9d8c1d73041e4cc5669c5441f531ecba517fc
Subproject commit 069fad8357623f5ea2ff3c865a5b8ed54608afd7

73
ports/atmel-samd/boards/ugame10/board.c
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@ -26,7 +26,80 @@
#include "boards/board.h"
#include "shared-bindings/board/__init__.h"
#include "shared-bindings/displayio/FourWire.h"
#include "shared-module/displayio/__init__.h"
#include "shared-module/displayio/mipi_constants.h"
#include "shared-bindings/busio/SPI.h"
#include "tick.h"
displayio_fourwire_obj_t board_display_obj;
#define DELAY 0x80
uint8_t display_init_sequence[] = {
0x01, 0 | DELAY, 150, // SWRESET
0x11, 0 | DELAY, 255, // SLPOUT
0xb1, 3, 0x01, 0x2C, 0x2D, // _FRMCTR1
0xb2, 3, 0x01, 0x2C, 0x2D, //
0xb3, 6, 0x01, 0x2C, 0x2D, 0x01, 0x2C, 0x2D,
0xb4, 1, 0x07, // _INVCTR line inversion
0xc0, 3, 0xa2, 0x02, 0x84, // _PWCTR1 GVDD = 4.7V, 1.0uA
0xc1, 1, 0xc5, // _PWCTR2 VGH=14.7V, VGL=-7.35V
0xc2, 2, 0x0a, 0x00, // _PWCTR3 Opamp current small, Boost frequency
0xc3, 2, 0x8a, 0x2a,
0xc4, 2, 0x8a, 0xee,
0xc5, 1, 0x0e, // _VMCTR1 VCOMH = 4V, VOML = -1.1V
0x2a, 0, // _INVOFF
0x36, 1, 0xa0, // _MADCTL bottom to top refresh
// 1 clk cycle nonoverlap, 2 cycle gate rise, 3 sycle osc equalie,
// fix on VTL
0x3a, 1, 0x05, // COLMOD - 16bit color
0xe0, 16, 0x02, 0x1c, 0x07, 0x12, // _GMCTRP1 Gamma
0x37, 0x32, 0x29, 0x2d,
0x29, 0x25, 0x2B, 0x39,
0x00, 0x01, 0x03, 0x10,
0xe1, 16, 0x03, 0x1d, 0x07, 0x06, // _GMCTRN1
0x2E, 0x2C, 0x29, 0x2D,
0x2E, 0x2E, 0x37, 0x3F,
0x00, 0x00, 0x02, 0x10,
0x2a, 3, 0x02, 0x00, 0x81, // _CASET XSTART = 2, XEND = 129
0x2b, 3, 0x02, 0x00, 0x81, // _RASET XSTART = 2, XEND = 129
0x13, 0 | DELAY, 10, // _NORON
0x29, 0 | DELAY, 100, // _DISPON
};
void board_init(void) {
displayio_fourwire_obj_t* bus = &displays[0].fourwire_bus;
bus->base.type = &displayio_fourwire_type;
busio_spi_obj_t *spi = common_hal_board_create_spi();
common_hal_busio_spi_configure(spi, 24000000, 0, 0, 8);
common_hal_displayio_fourwire_construct(bus,
spi,
&pin_PA09, // Command or data
&pin_PA08, // Chip select
NULL); // Reset
displayio_display_obj_t* display = &displays[0].display;
display->base.type = &displayio_display_type;
common_hal_displayio_display_construct(display,
bus,
128, // Width
128, // Height
3, // column start
2, // row start
0, // rotation
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
0x37, // set vertical scroll command
display_init_sequence,
sizeof(display_init_sequence),
NULL,
false, // single_byte_bounds
false); // data as commands
}
bool board_requests_safe_mode(void) {

7
ports/atmel-samd/boards/ugame10/mpconfigboard.h
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@ -19,10 +19,9 @@
#define BOARD_FLASH_SIZE (0x00040000 - 0x2000 - CIRCUITPY_INTERNAL_NVM_SIZE)
#define EXTRA_BUILTIN_MODULES \
{ MP_OBJ_NEW_QSTR(MP_QSTR_audioio), (mp_obj_t)&audioio_module }, \
{ MP_OBJ_NEW_QSTR(MP_QSTR_gamepad),(mp_obj_t)&gamepad_module }, \
{ MP_OBJ_NEW_QSTR(MP_QSTR__stage), (mp_obj_t)&stage_module }
#define DEFAULT_SPI_BUS_SCK (&pin_PA07)
#define DEFAULT_SPI_BUS_MISO (&pin_PA11)
#define DEFAULT_SPI_BUS_MOSI (&pin_PA06)
#define IGNORE_PIN_PB00 1
#define IGNORE_PIN_PB01 1

11
ports/atmel-samd/boards/ugame10/mpconfigboard.mk
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@ -17,13 +17,18 @@ CIRCUITPY_MATH = 1
CIRCUITPY_AUDIOIO = 1
CIRCUITPY_ANALOGIO = 1
CIRCUITPY_GAMEPAD = 1
CIRCUITPY_DISPLAYIO = 1
CIRCUITPY_TOUCHIO = 0
CIRCUITPY_NEOPIXEL_WRITE = 0
CIRCUITPY_RTC = 0
CIRCUITPY_SAMD = 0
CIRCUITPY_USB_MIDI = 0
CIRCUITPY_USB_HID = 0
CIRCUITPY_I2CSLAVE = 0
CIRCUITPY_FREQUENCYIO = 0
CIRCUITPY_SMALL_BUILD = 1
CIRCUITPY_AUDIOBUSIO = 0
CIRCUITPY_PIXELBUF = 0
FROZEN_MPY_DIRS += $(TOP)/frozen/circuitpython-stage
FROZEN_MPY_DIRS += $(TOP)/frozen/circuitpython-stage/ugame10
CIRCUITPY_DISPLAY_FONT = "../../tools/Tecate-bitmap-fonts/bitmap/phallus/lemon.bdf"

5
ports/atmel-samd/boards/ugame10/pins.c
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@ -1,4 +1,5 @@
#include "shared-bindings/board/__init__.h"
#include "shared-module/displayio/__init__.h"
STATIC const mp_rom_map_elem_t board_global_dict_table[] = {
{ MP_ROM_QSTR(MP_QSTR_X), MP_ROM_PTR(&pin_PA00) },
@ -23,8 +24,8 @@ STATIC const mp_rom_map_elem_t board_global_dict_table[] = {
{ MP_ROM_QSTR(MP_QSTR_B), MP_ROM_PTR(&pin_PA14) },
{ MP_ROM_QSTR(MP_QSTR_C), MP_ROM_PTR(&pin_PA15) },
{ MP_ROM_QSTR(MP_QSTR_D), MP_ROM_PTR(&pin_PA28) },
{ 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_UART), MP_ROM_PTR(&board_uart_obj) },
{ MP_ROM_QSTR(MP_QSTR_DISPLAY), MP_ROM_PTR(&displays[0].display)}
};
MP_DEFINE_CONST_DICT(board_module_globals, board_global_dict_table);

25
shared-bindings/_stage/__init__.c
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@ -28,6 +28,7 @@
#include "py/mperrno.h"
#include "py/runtime.h"
#include "shared-bindings/busio/SPI.h"
#include "shared-bindings/displayio/Display.h"
#include "shared-module/_stage/__init__.h"
#include "Layer.h"
#include "Text.h"
@ -49,7 +50,7 @@
//| Layer
//| Text
//|
//| .. function:: render(x0, y0, x1, y1, layers, buffer, spi)
//| .. function:: render(x0, y0, x1, y1, layers, buffer, display)
//|
//| Render and send to the display a fragment of the screen.
//|
@ -59,11 +60,8 @@
//| :param int y1: Bottom edge of the fragment.
//| :param list layers: A list of the :py:class:`~_stage.Layer` objects.
//| :param bytearray buffer: A buffer to use for rendering.
//| :param ~busio.SPI spi: The SPI bus to use.
//| :param ~displayio.Display display: The display to use.
//|
//| Note that this function only sends the raw pixel data. Setting up
//| the display for receiving it and handling the chip-select and
//| data-command pins has to be done outside of it.
//| There are also no sanity checks, outside of the basic overflow
//| checking. The caller is responsible for making the passed parameters
//| valid.
@ -85,12 +83,19 @@ STATIC mp_obj_t stage_render(size_t n_args, const mp_obj_t *args) {
uint16_t *buffer = bufinfo.buf;
size_t buffer_size = bufinfo.len / 2; // 16-bit indexing
busio_spi_obj_t *spi = MP_OBJ_TO_PTR(args[6]);
if (!render_stage(x0, y0, x1, y1, layers, layers_size,
buffer, buffer_size, spi)) {
mp_raise_OSError(MP_EIO);
if (!MP_OBJ_IS_TYPE(args[6], &displayio_display_type)) {
mp_raise_TypeError(translate("argument num/types mismatch"));
}
displayio_display_obj_t *display = MP_OBJ_TO_PTR(args[6]);
while (!displayio_display_begin_transaction(display)) {
#ifdef MICROPY_VM_HOOK_LOOP
MICROPY_VM_HOOK_LOOP ;
#endif
}
displayio_display_set_region_to_update(display, x0, y0, x1, y1);
render_stage(x0, y0, x1, y1, layers, layers_size, buffer, buffer_size, display);
displayio_display_end_transaction(display);
return mp_const_none;
}

14
shared-module/_stage/__init__.c
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@ -31,10 +31,10 @@
#include "shared-bindings/_stage/Text.h"
bool render_stage(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1,
void render_stage(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1,
mp_obj_t *layers, size_t layers_size,
uint16_t *buffer, size_t buffer_size,
busio_spi_obj_t *spi) {
displayio_display_obj_t *display) {
size_t index = 0;
for (uint16_t y = y0; y < y1; ++y) {
@ -55,19 +55,13 @@ bool render_stage(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1,
index += 1;
// The buffer is full, send it.
if (index >= buffer_size) {
if (!common_hal_busio_spi_write(spi,
((uint8_t*)buffer), buffer_size * 2)) {
return false;
}
display->send(display->bus, false, ((uint8_t*)buffer), buffer_size * 2);
index = 0;
}
}
}
// Send the remaining data.
if (index) {
if (!common_hal_busio_spi_write(spi, ((uint8_t*)buffer), index * 2)) {
return false;
}
display->send(display->bus, false, ((uint8_t*)buffer), index * 2);
}
return true;
}

6
shared-module/_stage/__init__.h
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@ -27,16 +27,16 @@
#ifndef MICROPY_INCLUDED_SHARED_MODULE__STAGE_H
#define MICROPY_INCLUDED_SHARED_MODULE__STAGE_H
#include "shared-bindings/busio/SPI.h"
#include "shared-bindings/displayio/Display.h"
#include <stdint.h>
#include <stdbool.h>
#include "py/obj.h"
#define TRANSPARENT (0x1ff8)
bool render_stage(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1,
void render_stage(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1,
mp_obj_t *layers, size_t layers_size,
uint16_t *buffer, size_t buffer_size,
busio_spi_obj_t *spi);
displayio_display_obj_t *display);
#endif // MICROPY_INCLUDED_SHARED_MODULE__STAGE