pyportal compiles and tweak blinka colors

ports/atmel-samd/boards/pyportal/board.c

@@ -3,7 +3,7 @@
  *
  * The MIT License (MIT)
  *
- * Copyright (c) 2018 Scott Shawcroft for Adafruit Industries
+ * Copyright (c) 2019 Scott Shawcroft for Adafruit Industries
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal
@@ -25,15 +25,67 @@
  */
 
 #include "boards/board.h"
-#include "board_busses.h"
+#include "supervisor/shared/board_busses.h"
 #include "mpconfigboard.h"
 #include "hal/include/hal_gpio.h"
 
 #include "shared-module/displayio/__init__.h"
+#include "shared-module/displayio/mipi_constants.h"
 
 #include "tick.h"
 
+#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) {
+    displayio_fourwire_obj_t* bus = &displays[0].fourwire_bus;
+    bus->base.type = &displayio_fourwire_type;
+    common_hal_displayio_fourwire_construct(bus,
+        board_spi(),
+        &pin_PB09, // Command or data
+        &pin_PB06, // Chip select
+        &pin_PA00); // Reset
+
+    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
+        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
+        display_init_sequence,
+        sizeof(display_init_sequence));
 }
 
 bool board_requests_safe_mode(void) {
@@ -41,5 +93,4 @@ bool board_requests_safe_mode(void) {
 }
 
 void reset_board(void) {
-    common_hal_displayio_display_show(&primary_display_obj, NULL);
 }

ports/atmel-samd/mpconfigport.h

@@ -192,6 +192,7 @@ typedef long mp_off_t;
 #define MICROPY_PY_REVERSE_SPECIAL_METHODS          (1)
 #define MICROPY_PY_SYS_EXC_INFO                     (1)
 //      MICROPY_PY_UERRNO_LIST - Use the default
+#define CIRCUITPY_DISPLAY_LIMIT (3)
 #endif
 
 #ifdef LONGINT_IMPL_NONE

shared-module/displayio/Group.c

@@ -67,11 +67,14 @@ void displayio_group_construct(displayio_group_t* self, mp_obj_t* child_array, u
     self->children = child_array;
     self->max_size = max_size;
     self->needs_refresh = false;
+    self->scale = 1;
 }
 
 bool displayio_group_get_pixel(displayio_group_t *self, int16_t x, int16_t y, uint16_t* pixel) {
     x -= self->x;
     y -= self->y;
+    x /= self->scale;
+    y /= self->scale;
     for (int32_t i = self->size - 1; i >= 0 ; i--) {
         mp_obj_t layer = self->children[i];
         if (MP_OBJ_IS_TYPE(layer, &displayio_sprite_type)) {

shared-module/displayio/Group.h

@@ -36,6 +36,7 @@ typedef struct {
     mp_obj_base_t base;
     int16_t x;
     int16_t y;
+    uint16_t scale;
     uint16_t size;
     uint16_t max_size;
     mp_obj_t* children;

shared-module/displayio/__init__.c

@@ -105,8 +105,10 @@ displayio_bitmap_t blinka_bitmap = {
 };
 
 uint32_t blinka_transparency[1] = {0x80000000};
-uint32_t blinka_colors[8] = {0x1e910000, 0x72dc722b, 0xffffb05a, 0x00000000,
-                             0x80000000, 0x00000000, 0x00000000, 0x00000000};
+
+// TODO(tannewt): Fix these colors
+uint32_t blinka_colors[8] = {0x91780000, 0x879FFC98, 0xffff0000, 0x0000f501,
+                             0x00000000, 0x00000000, 0x00000000, 0x00000000};
 
 displayio_palette_t blinka_palette = {
     .base = {.type = &displayio_palette_type },
@@ -135,6 +137,7 @@ displayio_group_t splash = {
     .base = {.type = &displayio_group_type },
     .x = 0,
     .y = 0,
+    .scale = 2,
     .size = 1,
     .max_size = 1,
     .children = splash_children,