PicoVision

.github/workflows/cmake.yml

@@ -40,6 +40,14 @@ jobs:
             cmake-args: -D32BLIT_DIR=$GITHUB_WORKSPACE -DPICO_SDK_PATH=$GITHUB_WORKSPACE/pico-sdk -DPICO_BOARD=pimoroni_picosystem -DCMAKE_C_COMPILER_LAUNCHER=ccache -DCMAKE_CXX_COMPILER_LAUNCHER=ccache
             apt-packages: ccache gcc-arm-none-eabi libnewlib-arm-none-eabi libstdc++-arm-none-eabi-newlib python3-setuptools
 
+          - os: ubuntu-20.04
+            pico-sdk: true
+            name: PicoVision
+            cache-key: picovision
+            release-suffix: PicoVision
+            cmake-args: -D32BLIT_DIR=$GITHUB_WORKSPACE -DPICO_SDK_PATH=$GITHUB_WORKSPACE/pico-sdk -DPICO_BOARD=pico_w -DPICO_ADDON=pimoroni_picovision -DCMAKE_C_COMPILER_LAUNCHER=ccache -DCMAKE_CXX_COMPILER_LAUNCHER=ccache
+            apt-packages: ccache gcc-arm-none-eabi libnewlib-arm-none-eabi libstdc++-arm-none-eabi-newlib python3-setuptools
+
           - os: ubuntu-20.04
             name: MinGW
             cache-key: mingw
@@ -84,6 +92,15 @@ jobs:
         repository: raspberrypi/pico-extras
         path: pico-extras
 
+    # PicoVision needs the RAM driver and the firmware
+    - name: Checkout PicoVision
+      if: matrix.name == 'PicoVision'
+      uses: actions/checkout@v3
+      with:
+        repository: pimoroni/picovision
+        ref: 03df7694ed4fb396c1d12adf90d0150ada6baedc
+        path: picovision
+
     - name: Cache
       uses: actions/cache@v3
       with:

32blit-pico/CMakeLists.txt

@@ -114,7 +114,9 @@ elseif(BLIT_AUDIO_DRIVER STREQUAL "pwm")
     list(APPEND BLIT_BOARD_LIBRARIES pico_audio_pwm)
 endif()
 
-if(BLIT_DISPLAY_DRIVER STREQUAL "scanvideo")
+if(BLIT_DISPLAY_DRIVER STREQUAL "picovision")
+    list(APPEND BLIT_BOARD_LIBRARIES hardware_i2c aps6404 swd_load)
+elseif(BLIT_DISPLAY_DRIVER STREQUAL "scanvideo")
     set(BLIT_REQUIRE_PICO_EXTRAS TRUE)
     set(BLIT_ENABLE_CORE1 TRUE)
     list(APPEND BLIT_BOARD_LIBRARIES pico_scanvideo_dpi)
@@ -147,6 +149,11 @@ pico_sdk_init()
 pico_generate_pio_header(BlitHalPico ${CMAKE_CURRENT_LIST_DIR}/st7789.pio)
 pico_generate_pio_header(BlitHalPico ${CMAKE_CURRENT_LIST_DIR}/spi.pio)
 
+# include picovision drivers
+if(BLIT_DISPLAY_DRIVER STREQUAL "picovision")
+    include(picovision_import.cmake)
+endif()
+
 # driver sources
 target_sources(BlitHalPico INTERFACE
     ${CMAKE_CURRENT_LIST_DIR}/audio_${BLIT_AUDIO_DRIVER}.cpp

32blit-pico/board/pimoroni_picovision/config.cmake

@@ -0,0 +1,14 @@
+set(BLIT_BOARD_NAME "PicoVision")
+
+set(BLIT_BOARD_DEFINITIONS
+    PICO_AUDIO_I2S_PIO=0
+    PICO_AUDIO_I2S_DATA_PIN=26
+    PICO_AUDIO_I2S_CLOCK_PIN_BASE=27
+    PICO_AUDIO_I2S_BUFFER_SAMPLE_LENGTH=256
+)
+
+blit_driver(audio i2s)
+blit_driver(display picovision)
+blit_driver(input usb_hid)
+blit_driver(storage sd_spi)
+blit_driver(usb host)

32blit-pico/board/pimoroni_picovision/config.h

@@ -0,0 +1,14 @@
+#pragma once
+
+#define DEFAULT_SCREEN_FORMAT PixelFormat::BGR555
+
+// native
+#define SD_CLK  10
+#define SD_CMD  11
+#define SD_DAT0 12
+
+// spi
+#define SD_SCK  10
+#define SD_MOSI 11
+#define SD_MISO 12
+#define SD_CS   15

32blit-pico/display.cpp

@@ -6,7 +6,9 @@ using namespace blit;
 
 static SurfaceInfo cur_surf_info;
 
-#if ALLOW_HIRES
+#if defined(BLIT_BOARD_PIMORONI_PICOVISION)
+static const uint16_t *screen_fb = nullptr;
+#elif ALLOW_HIRES
 uint16_t screen_fb[DISPLAY_WIDTH * DISPLAY_HEIGHT];
 #else
 uint16_t screen_fb[lores_page_size]; // double-buffered

32blit-pico/display.hpp

@@ -9,7 +9,9 @@
 static const int lores_page_size = (DISPLAY_WIDTH / 2) * ((DISPLAY_HEIGHT + 1) / 2) * 2;
 
 extern blit::ScreenMode cur_screen_mode;
+#ifndef BLIT_BOARD_PIMORONI_PICOVISION
 extern uint16_t screen_fb[];
+#endif
 
 void init_display();
 void update_display(uint32_t time);