Update pewpew_lcd to version 4.1

It now uses st7745 display and physical buttons
pypewpew · Feb 20, 2024 · 5f0ac68 · 5f0ac68
1 parent edbbed0
commit 5f0ac68
Show file tree

Hide file tree

Showing 3 changed files with 84 additions and 52 deletions.
diff --git a/ports/atmel-samd/boards/pewpew_lcd/board.c b/ports/atmel-samd/boards/pewpew_lcd/board.c
@@ -3,7 +3,8 @@
  *
  * The MIT License (MIT)
  *
- * Copyright (c) 2017 Scott Shawcroft for Adafruit Industries
+ * Copyright (c) 2017 Scott Shawcroft for Adafruit Industries, 2020 Radomir
+ * Dopieralski
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal
@@ -25,24 +26,45 @@
  */
 
 #include "supervisor/board.h"
-
 #include "shared-bindings/board/__init__.h"
 #include "shared-bindings/fourwire/FourWire.h"
+#include "hal/include/hal_gpio.h"
+#include "shared-bindings/busio/SPI.h"
 #include "shared-module/displayio/__init__.h"
 #include "shared-module/displayio/mipi_constants.h"
-#include "shared-bindings/busio/SPI.h"
 
 fourwire_fourwire_obj_t board_display_obj;
 
 #define DELAY 0x80
 
 uint8_t display_init_sequence[] = {
-    0xe2, 0,  // reset
-    0x2f, 0, // power on
-    0x80, 0,  // contrast 0
-    0xa4, 0,  // display normal
-    0xaf, 0,  // display on
-    0x40, 0,  // start line 0
+    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
+    // 1 clk cycle nonoverlap, 2 cycle gate rise, 3 cycle 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,
+    0x13, 0 | DELAY, 10, // _NORON
+    0x29, 0 | DELAY, 100, // _DISPON
 };
 
 void board_init(void) {
@@ -54,42 +76,42 @@ void board_init(void) {
     bus->base.type = &fourwire_fourwire_type;
     common_hal_fourwire_fourwire_construct(bus,
         spi,
-        NULL, // Command or data
-        &pin_PA19, // Chip select
-        &pin_PA18, // Reset
-        40000000LL, // Baudrate
+        &pin_PA19, // TFT_DC Command or data
+        &pin_PA17, // TFT_CS Chip select
+        &pin_PA18, // TFT_RST Reset
+        60000000, // Baudrate
         0, // Polarity
         0); // Phase
 
     busdisplay_busdisplay_obj_t *display = &allocate_display()->display;
     display->base.type = &busdisplay_busdisplay_type;
     common_hal_busdisplay_busdisplay_construct(display,
         bus,
-        96, // Width
-        68, // Height
+        160, // Width (after rotation)
+        128, // Height (after rotation)
         0, // column start
         0, // row start
-        180, // rotation
-        1, // Color depth
-        true, // grayscale
-        false, // pixels in byte share row. Only used with depth < 8
+        0, // rotation
+        16, // Color depth
+        false, // grayscale
+        false, // pixels in byte share row. only used for depth < 8
         1, // bytes per cell. Only valid for depths < 8
         false, // reverse_pixels_in_byte. Only valid for depths < 8
-        false, // reverse_pixels_in_word
-        0, // Set column command
-        0, // Set row command
-        0, // Write memory command
+        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
         display_init_sequence,
         sizeof(display_init_sequence),
-        NULL, // &pin_PA17, // brightness pin
+        NULL,  // backlight pin
         NO_BRIGHTNESS_COMMAND,
-        0.0f, // brightness
+        1.0f, // brightness
         false, // single_byte_bounds
-        true, // data as commands
-        true, // auto_refresh
-        2, // native_frames_per_second
+        false, // data_as_commands
+        false, // auto_refresh
+        20, // native_frames_per_second
         true, // backlight_on_high
-        true, // SH1107_addressing
+        false, // SH1107_addressing
         50000); // backlight pwm frequency
 }
 

diff --git a/ports/atmel-samd/boards/pewpew_lcd/mpconfigboard.mk b/ports/atmel-samd/boards/pewpew_lcd/mpconfigboard.mk
@@ -11,12 +11,25 @@ LONGINT_IMPL = NONE
 
 CIRCUITPY_FULL_BUILD = 0
 
+# required
 CIRCUITPY_DISPLAYIO = 1
-CIRCUITPY_TOUCHIO = 1
-CIRCUITPY_PWMIO = 1
-CIRCUITPY_MATH = 0
+CIRCUITPY_BUSDISPLAY = 1
+CIRCUITPY_KEYPAD = 1
+CIRCUITPY_KEYPAD_KEYS = 1
+CIRCUITPY_KEYPAD_SHIFTREGISTERKEYS = 0
+CIRCUITPY_KEYPAD_KEYMATRIX = 0
 
-CIRCUITPY_ANALOGIO = 0
+# bonus, can be disabled if needed
+CIRCUITPY_MATH = 1
+CIRCUITPY_ANALOGIO = 1
+CIRCUITPY_NEOPIXEL_WRITE = 1
+CIRCUITPY_SAMD = 1
+
+CIRCUITPY_EPAPERDISPLAY = 0
+CIRCUITPY_I2CDISPLAYBUS = 0
+CIRCUITPY_STAGE = 0
+CIRCUITPY_PWMIO = 0
+CIRCUITPY_TOUCHIO = 0
 CIRCUITPY_AUDIOBUSIO = 0
 CIRCUITPY_AUDIOBUSIO_I2SOUT = 0
 CIRCUITPY_AUDIOCORE = 0
@@ -35,16 +48,13 @@ CIRCUITPY_FRAMEBUFFERIO = 0
 CIRCUITPY_FREQUENCYIO = 0
 CIRCUITPY_I2CTARGET = 0
 CIRCUITPY_MSGPACK = 0
-CIRCUITPY_NEOPIXEL_WRITE = 0
 CIRCUITPY_NVM = 0
 CIRCUITPY_PIXELBUF = 0
 CIRCUITPY_PS2IO = 0
 CIRCUITPY_PULSEIO = 0
 CIRCUITPY_RGBMATRIX = 0
 CIRCUITPY_ROTARYIO = 0
-CIRCUITPY_ROTARYIO = 0
 CIRCUITPY_RTC = 0
-CIRCUITPY_SAMD = 0
 CIRCUITPY_ULAB = 0
 CIRCUITPY_USB_HID = 0
 CIRCUITPY_USB_MIDI = 0

diff --git a/ports/atmel-samd/boards/pewpew_lcd/pins.c b/ports/atmel-samd/boards/pewpew_lcd/pins.c
@@ -2,26 +2,26 @@
 #include "shared-module/displayio/__init__.h"
 
 STATIC const mp_rom_map_elem_t board_global_dict_table[] = {
-    { MP_ROM_QSTR(MP_QSTR__SCK), MP_ROM_PTR(&pin_PA23) },
-    { MP_ROM_QSTR(MP_QSTR__MOSI), MP_ROM_PTR(&pin_PA22) },
-    { MP_ROM_QSTR(MP_QSTR__CS), MP_ROM_PTR(&pin_PA19) },
-    { MP_ROM_QSTR(MP_QSTR__RST), MP_ROM_PTR(&pin_PA18) },
-    { MP_ROM_QSTR(MP_QSTR__BL), MP_ROM_PTR(&pin_PA17) },
+    { MP_ROM_QSTR(MP_QSTR_SCK), MP_ROM_PTR(&pin_PA23) },
+    { MP_ROM_QSTR(MP_QSTR_MOSI), MP_ROM_PTR(&pin_PA22) },
+    { MP_ROM_QSTR(MP_QSTR_CS), MP_ROM_PTR(&pin_PA17) },
+    { MP_ROM_QSTR(MP_QSTR_RST), MP_ROM_PTR(&pin_PA18) },
+    { MP_ROM_QSTR(MP_QSTR_DC), MP_ROM_PTR(&pin_PA19) },
 
-    { MP_ROM_QSTR(MP_QSTR__UP), MP_ROM_PTR(&pin_PA03) },
-    { MP_ROM_QSTR(MP_QSTR__DOWN), MP_ROM_PTR(&pin_PA05) },
-    { MP_ROM_QSTR(MP_QSTR__LEFT), MP_ROM_PTR(&pin_PA04) },
-    { MP_ROM_QSTR(MP_QSTR__RIGHT), MP_ROM_PTR(&pin_PA02) },
-    { MP_ROM_QSTR(MP_QSTR__O), MP_ROM_PTR(&pin_PA06) },
-    { MP_ROM_QSTR(MP_QSTR__X), MP_ROM_PTR(&pin_PA07) },
+    { MP_ROM_QSTR(MP_QSTR_UP), MP_ROM_PTR(&pin_PA14) },
+    { MP_ROM_QSTR(MP_QSTR_DOWN), MP_ROM_PTR(&pin_PA10) },
+    { MP_ROM_QSTR(MP_QSTR_LEFT), MP_ROM_PTR(&pin_PA11) },
+    { MP_ROM_QSTR(MP_QSTR_RIGHT), MP_ROM_PTR(&pin_PA09) },
+    { MP_ROM_QSTR(MP_QSTR_O), MP_ROM_PTR(&pin_PA16) },
+    { MP_ROM_QSTR(MP_QSTR_X), MP_ROM_PTR(&pin_PA15) },
 
     { MP_ROM_QSTR(MP_QSTR_P1), MP_ROM_PTR(&pin_PA30) },
     { MP_ROM_QSTR(MP_QSTR_P2), MP_ROM_PTR(&pin_PA31) },
-    { MP_ROM_QSTR(MP_QSTR_P3), MP_ROM_PTR(&pin_PA08) },
-    { MP_ROM_QSTR(MP_QSTR_P4), MP_ROM_PTR(&pin_PA09) },
-    { MP_ROM_QSTR(MP_QSTR_P5), MP_ROM_PTR(&pin_PA10) },
-    { MP_ROM_QSTR(MP_QSTR_P6), MP_ROM_PTR(&pin_PA11) },
-    { MP_ROM_QSTR(MP_QSTR_P7), MP_ROM_PTR(&pin_PA14) },
+    { MP_ROM_QSTR(MP_QSTR_P3), MP_ROM_PTR(&pin_PA00) },
+    { MP_ROM_QSTR(MP_QSTR_P4), MP_ROM_PTR(&pin_PA01) },
+    { MP_ROM_QSTR(MP_QSTR_P5), MP_ROM_PTR(&pin_PA02) },
+    { MP_ROM_QSTR(MP_QSTR_P6), MP_ROM_PTR(&pin_PA03) },
+    { MP_ROM_QSTR(MP_QSTR_P7), MP_ROM_PTR(&pin_PA04) },
 
     { MP_ROM_QSTR(MP_QSTR_DISPLAY), MP_ROM_PTR(&displays[0].display)}
 };