New device: Scratch Arcade.

components/retro-go/config.h

@@ -32,6 +32,8 @@
 #include "targets/vmu/config.h"
 #elif defined(RG_TARGET_CROKPOCKET)
 #include "targets/crokpocket/config.h"
+#elif defined(RG_TARGET_SCRATCH_ARCADE)
+#include "targets/scratch-arcade/config.h"
 #else
 #warning "No target defined. Defaulting to ODROID-GO."
 #include "targets/odroid-go/config.h"

components/retro-go/targets/scratch-arcade/config.h

@@ -0,0 +1,94 @@
+// Target definition
+#define RG_TARGET_NAME             "SCRATCH-ARCADE"
+
+// Storage
+#define RG_STORAGE_ROOT             "/vfs"
+#define RG_STORAGE_FLASH_PARTITION  "vfs"
+
+// Audio
+#define RG_AUDIO_USE_INT_DAC        0   // 0 = Disable
+#define RG_AUDIO_USE_EXT_DAC        1   // 0 = Disable, 1 = Enable
+
+// Video
+#define RG_SCREEN_DRIVER            0   // 0 = ST7789
+#define RG_SCREEN_HOST              SPI2_HOST
+#define RG_SCREEN_SPEED             SPI_MASTER_FREQ_40M // SPI_MASTER_FREQ_80M
+#define RG_SCREEN_BACKLIGHT         1
+#define RG_SCREEN_WIDTH             320
+#define RG_SCREEN_HEIGHT            240
+#define RG_SCREEN_ROTATE            0
+#define RG_SCREEN_VISIBLE_AREA      {0, 0, 0, 0} // Left, Top, Right, Bottom 
+#define RG_SCREEN_SAFE_AREA         {0, 0, 0, 0} // Left, Top, Right, Bottom
+
+#define ST7789_MADCTL 0x36 // Memory Access Control
+#define ST7789_MADCTL_MV 0x20
+#define ST7789_MADCTL_RGB 0x00
+#define ST7789_MADCTL_BGR 0x08
+
+#define RG_SCREEN_INIT()                                                                                         \
+    ILI9341_CMD(0xCF, 0x00, 0xc3, 0x30);                                                                         \
+    ILI9341_CMD(0xED, 0x64, 0x03, 0x12, 0x81);                                                                   \
+    ILI9341_CMD(0xE8, 0x85, 0x00, 0x78);                                                                         \
+    ILI9341_CMD(0xCB, 0x39, 0x2c, 0x00, 0x34, 0x02);                                                             \
+    ILI9341_CMD(0xF7, 0x20);                                                                                     \
+    ILI9341_CMD(0xEA, 0x00, 0x00);                                                                               \
+    ILI9341_CMD(0xC0, 0x1B);                 /* Power control   //VRH[5:0] */                                    \
+    ILI9341_CMD(0xC1, 0x12);                 /* Power control   //SAP[2:0];BT[3:0] */                            \
+    ILI9341_CMD(0xC5, 0x32, 0x3C);           /* VCM control */                                                   \
+    ILI9341_CMD(0xC7, 0x91);                 /* VCM control2 */                                                  \
+    ILI9341_CMD(ST7789_MADCTL, (ST7789_MADCTL_BGR));                                          \
+    ILI9341_CMD(0xB1, 0x00, 0x10);           /* Frame Rate Control (1B=70, 1F=61, 10=119) */                     \
+    ILI9341_CMD(0xB6, 0x0A, 0xA2);           /* Display Function Control */                                      \
+    ILI9341_CMD(0xF6, 0x01, 0x30);                                                                               \
+    ILI9341_CMD(0xF2, 0x00); /* 3Gamma Function Disable */                                                       \
+    ILI9341_CMD(0xE0, 0xD0, 0x00, 0x05, 0x0E, 0x15, 0x0D, 0x37, 0x43, 0x47, 0x09, 0x15, 0x12, 0x16, 0x19);       \
+    ILI9341_CMD(0xE1, 0xD0, 0x00, 0x05, 0x0D, 0x0C, 0x06, 0x2D, 0x44, 0x40, 0x0E, 0x1C, 0x18, 0x16, 0x19);
+
+
+// Input
+#define RG_GAMEPAD_ADC_MAP {\
+    {RG_KEY_UP,    ADC_UNIT_1, ADC_CHANNEL_7, ADC_ATTEN_DB_11, 3072, 4096},\
+    {RG_KEY_RIGHT, ADC_UNIT_1, ADC_CHANNEL_5, ADC_ATTEN_DB_11, 0,    1023},\
+    {RG_KEY_DOWN,  ADC_UNIT_1, ADC_CHANNEL_7, ADC_ATTEN_DB_11, 0,    1023},\
+    {RG_KEY_LEFT,  ADC_UNIT_1, ADC_CHANNEL_5, ADC_ATTEN_DB_11, 3072, 4096},\
+}
+
+// KEY Y GPIO4 being held down...
+#define RG_GAMEPAD_GPIO_MAP {\
+    {RG_KEY_START,  .num = GPIO_NUM_0,  .pullup = 1, .level = 0},\
+    {RG_KEY_A,      .num = GPIO_NUM_5, .pullup = 1, .level = 0},\
+    {RG_KEY_B,      .num = GPIO_NUM_39,  .pullup = 1, .level = 0},\
+    {RG_KEY_OPTION, .num = GPIO_NUM_9,  .pullup = 1, .level = 0},\
+}
+
+#define RG_GAMEPAD_VIRT_MAP {\
+    {RG_KEY_MENU,   .src = RG_KEY_OPTION | RG_KEY_START},\
+    {RG_KEY_X,      .src = RG_KEY_OPTION | RG_KEY_A},\
+    {RG_KEY_Y,      .src = RG_KEY_OPTION | RG_KEY_B},\
+}
+
+#define RG_RECOVERY_BTN RG_KEY_OPTION
+
+// Battery
+#define RG_BATTERY_DRIVER           1
+#define RG_BATTERY_ADC_UNIT         ADC_UNIT_1
+#define RG_BATTERY_ADC_CHANNEL      ADC_CHANNEL_3
+#define RG_BATTERY_CALC_PERCENT(raw) (((raw) * 2.f - 3150.f) / (4100.f - 3150.f) * 100.f)
+#define RG_BATTERY_CALC_VOLTAGE(raw) ((raw) * 2.f * 0.001f)
+
+// Status LED
+#define RG_GPIO_LED                 GPIO_NUM_6
+
+// SPI Display
+#define RG_GPIO_LCD_MISO            GPIO_NUM_NC
+#define RG_GPIO_LCD_MOSI            GPIO_NUM_11
+#define RG_GPIO_LCD_CLK             GPIO_NUM_12
+#define RG_GPIO_LCD_CS              GPIO_NUM_10
+#define RG_GPIO_LCD_DC              GPIO_NUM_45
+#define RG_GPIO_LCD_BCKL            GPIO_NUM_21
+#define RG_GPIO_LCD_RST             GPIO_NUM_46
+
+// External I2S DAC
+#define RG_GPIO_SND_I2S_BCK         41
+#define RG_GPIO_SND_I2S_WS          42
+#define RG_GPIO_SND_I2S_DATA        01

components/retro-go/targets/scratch-arcade/docs/README.md

@@ -0,0 +1,25 @@
+# Scratch Arcade (https://arcade.blockcode.fun/#/zh-cn/intro?id=scratch-arcade)
+- Status: Completed
+
+# Hardware info
+- ESP32-S3 N8R8 (8MB flash + 8MB PSRAM)
+- 2" 320x240 ST7789 display
+- 800mAh battery
+- USB-C charging port
+- Status LED's for charging and RetroGo
+
+# Images
+![device.jpg](device.jpg)
+
+# Build
+`python rg_tool.py build-img --target scratch-arcade --fatsize 2M`
+`mkdir -p rootfs/roms/nes`
+`cp *.nes rootfs/roms/nes/`
+`python $IDF_PATH/components/fatfs/fatfsgen.py --output_file vfs.bin  rootfs`
+
+# Flash
+`esptool.py write_flash --flash_size detect 0x0 retro-go_1.xx_scratch-arcade.img`
+`esptool.py write_flash --flash_size detect 4587520 vfs.bin`
+
+# Dev
+`python rg_tool.py --target crokpocket --port COM9 run launcher`

components/retro-go/targets/scratch-arcade/env.py

@@ -0,0 +1,4 @@
+import os
+
+os.environ["IDF_TARGET"] = "esp32s3"
+os.environ["FW_FORMAT"] = "none"

components/retro-go/targets/scratch-arcade/sdkconfig

@@ -0,0 +1,177 @@
+#
+# Serial flasher config
+#
+CONFIG_ESPTOOLPY_PORT="/dev/ttyUSB0"
+CONFIG_ESPTOOLPY_BAUD_115200B=n
+CONFIG_ESPTOOLPY_BAUD_230400B=n
+CONFIG_ESPTOOLPY_BAUD_921600B=y
+CONFIG_ESPTOOLPY_BAUD_2MB=n
+CONFIG_ESPTOOLPY_BAUD=921600
+CONFIG_ESPTOOLPY_COMPRESSED=y
+CONFIG_ESPTOOLPY_FLASHMODE="dio"
+CONFIG_ESPTOOLPY_FLASHFREQ_80M=y
+CONFIG_ESPTOOLPY_FLASHFREQ_40M=n
+CONFIG_ESPTOOLPY_FLASHFREQ_26M=n
+CONFIG_ESPTOOLPY_FLASHFREQ_20M=n
+CONFIG_ESPTOOLPY_FLASHFREQ="80m"
+CONFIG_ESPTOOLPY_FLASHSIZE_1MB=n
+CONFIG_ESPTOOLPY_FLASHSIZE_2MB=n
+CONFIG_ESPTOOLPY_FLASHSIZE_4MB=n
+CONFIG_ESPTOOLPY_FLASHSIZE_8MB=y
+CONFIG_ESPTOOLPY_FLASHSIZE_16MB=n
+CONFIG_ESPTOOLPY_FLASHSIZE="8MB"
+CONFIG_ESPTOOLPY_FLASHSIZE_DETECT=y
+CONFIG_ESPTOOLPY_FLASHMODE_QIO=y
+
+#
+# Compiler options
+#
+CONFIG_COMPILER_OPTIMIZATION_DEFAULT=n
+CONFIG_COMPILER_OPTIMIZATION_SIZE=y
+# IMPORTANT: ENABLE=y adds almost 50K to the executable, can't fit in our current 2.5MB goal...
+CONFIG_COMPILER_OPTIMIZATION_ASSERTIONS_ENABLE=n
+CONFIG_COMPILER_OPTIMIZATION_ASSERTIONS_SILENT=y
+CONFIG_COMPILER_OPTIMIZATION_ASSERTIONS_DISABLE=n
+CONFIG_COMPILER_CXX_EXCEPTIONS=n
+CONFIG_COMPILER_STACK_CHECK_MODE_NONE=y
+CONFIG_COMPILER_STACK_CHECK_MODE_NORM=n
+CONFIG_COMPILER_STACK_CHECK_MODE_STRONG=n
+CONFIG_COMPILER_STACK_CHECK_MODE_ALL=n
+CONFIG_COMPILER_STACK_CHECK=n
+
+#
+# SPI configuration
+#
+CONFIG_SPI_MASTER_IN_IRAM=y
+CONFIG_SPI_MASTER_ISR_IN_IRAM=y
+
+#
+# ESP32-specific
+#
+CONFIG_ESP32S3_DEFAULT_CPU_FREQ_40=n
+CONFIG_ESP32S3_DEFAULT_CPU_FREQ_160=n
+CONFIG_ESP32S3_DEFAULT_CPU_FREQ_240=y
+CONFIG_ESP32S3_DEFAULT_CPU_FREQ_MHZ=240
+CONFIG_ESP_SYSTEM_PANIC_PRINT_HALT=n
+CONFIG_ESP_SYSTEM_PANIC_PRINT_REBOOT=y
+CONFIG_ESP_SYSTEM_PANIC_SILENT_REBOOT=n
+CONFIG_ESP_SYSTEM_PANIC_GDBSTUB=n
+CONFIG_ESP_DEBUG_OCDAWARE=n
+CONFIG_ESP_MAIN_TASK_STACK_SIZE=8192
+CONFIG_ESP_INT_WDT=y
+CONFIG_ESP_TASK_WDT=n
+CONFIG_NEWLIB_NANO_FORMAT=y
+
+#
+# SPI RAM config
+#
+CONFIG_ESP32S3_SPIRAM_SUPPORT=y
+CONFIG_SPIRAM=y
+CONFIG_SPIRAM_BOOT_INIT=y
+CONFIG_SPIRAM_IGNORE_NOTFOUND=y
+CONFIG_SPIRAM_USE_MEMMAP=n
+CONFIG_SPIRAM_USE_CAPS_ALLOC=n
+CONFIG_SPIRAM_USE_MALLOC=y
+CONFIG_SPIRAM_TYPE_AUTO=y
+CONFIG_SPIRAM_TYPE_ESPPSRAM32=n
+CONFIG_SPIRAM_TYPE_ESPPSRAM64=n
+CONFIG_SPIRAM_SIZE=-1
+CONFIG_SPIRAM_SPEED_40M=n
+CONFIG_SPIRAM_SPEED_80M=y
+CONFIG_SPIRAM_MEMTEST=y
+CONFIG_SPIRAM_MALLOC_ALWAYSINTERNAL=32768
+CONFIG_SPIRAM_MALLOC_RESERVE_INTERNAL=32768
+CONFIG_SPIRAM_ALLOW_BSS_SEG_EXTERNAL_MEMORY=y
+# CONFIG_SPIRAM_ALLOW_STACK_EXTERNAL_MEMORY=y
+CONFIG_SPIRAM_MODE_OCT=y
+CONFIG_SPIRAM_CLK_IO=30
+CONFIG_SPIRAM_CS_IO=26
+
+#
+# FAT Filesystem support
+#
+CONFIG_FATFS_CODEPAGE_437=y
+CONFIG_FATFS_CODEPAGE=437
+CONFIG_FATFS_LFN_NONE=n
+CONFIG_FATFS_LFN_HEAP=y
+CONFIG_FATFS_LFN_STACK=n
+CONFIG_FATFS_MAX_LFN=255
+CONFIG_FATFS_USE_FASTSEEK=y
+
+#
+# FreeRTOS
+#
+CONFIG_FREERTOS_HZ=100
+CONFIG_FREERTOS_CHECK_STACKOVERFLOW_NONE=n
+CONFIG_FREERTOS_CHECK_STACKOVERFLOW_PTRVAL=y
+CONFIG_FREERTOS_CHECK_STACKOVERFLOW_CANARY=n
+CONFIG_FREERTOS_ASSERT_FAIL_ABORT=y
+CONFIG_FREERTOS_ASSERT_FAIL_PRINT_CONTINUE=n
+CONFIG_FREERTOS_ASSERT_DISABLE=n
+CONFIG_FREERTOS_IDLE_TASK_STACKSIZE=1024
+CONFIG_FREERTOS_USE_TRACE_FACILITY=n
+CONFIG_FREERTOS_GENERATE_RUN_TIME_STATS=n
+CONFIG_FREERTOS_CHECK_MUTEX_GIVEN_BY_OWNER=n
+
+#
+# Log output
+#
+CONFIG_LOG_DEFAULT_LEVEL_NONE=n
+CONFIG_LOG_DEFAULT_LEVEL_ERROR=n
+CONFIG_LOG_DEFAULT_LEVEL_WARN=y
+CONFIG_LOG_DEFAULT_LEVEL_INFO=n
+CONFIG_LOG_DEFAULT_LEVEL_DEBUG=n
+CONFIG_LOG_DEFAULT_LEVEL_VERBOSE=n
+CONFIG_LOG_DEFAULT_LEVEL=2
+CONFIG_LOG_COLORS=y
+
+#
+# Misc
+#
+CONFIG_APP_BUILD_BOOTLOADER=n
+
+#
+# HTTP Server
+#
+CONFIG_HTTPD_MAX_REQ_HDR_LEN=1024
+CONFIG_HTTPD_MAX_URI_LEN=1024
+
+#
+# TLS
+#
+# Not ideal but I don't want to deal with CAs right now :(
+CONFIG_ESP_TLS_INSECURE=y
+CONFIG_ESP_TLS_SKIP_SERVER_CERT_VERIFY=y
+
+#
+# SPI Flash driver
+#
+CONFIG_SPI_FLASH_ENABLE_ENCRYPTED_READ_WRITE=n
+
+#
+# Wi-Fi
+#
+CONFIG_ESP_WIFI_NVS_ENABLED=n
+
+#
+# Ethernet
+#
+CONFIG_ETH_USE_ESP32_EMAC=n
+CONFIG_ETH_USE_SPI_ETHERNET=n
+CONFIG_ETH_USE_OPENETH=n
+
+#
+# Silence deprecations because I have no intention of fixing them right now
+#
+CONFIG_ADC_SUPPRESS_DEPRECATE_WARN=y
+CONFIG_I2S_SUPPRESS_DEPRECATE_WARN=y
+
+#
+# Partition table
+#
+# CONFIG_PARTITION_TABLE_SINGLE_APP is not set
+# CONFIG_PARTITION_TABLE_SINGLE_APP_LARGE is not set
+# CONFIG_PARTITION_TABLE_TWO_OTA is not set
+CONFIG_PARTITION_TABLE_CUSTOM=y
+CONFIG_PARTITION_TABLE_CUSTOM_FILENAME="../partitions.csv"
+CONFIG_PARTITION_TABLE_FILENAME="../partitions.csv"