Add support for Rachel ESP32 target (#174)

* Add support for Rachel ESP32 target

* Update config.h

components/retro-go/config.h

@@ -22,6 +22,8 @@
 #include "targets/fri3d-2024/config.h"
 #elif defined(RG_TARGET_BYTEBOI_REV1)
 #include "targets/byteboi-rev1/config.h"
+#elif defined(RG_TARGET_RACHEL_ESP32)
+#include "targets/rachel-esp32/config.h"
 #else
 #warning "No target defined. Defaulting to ODROID-GO."
 #include "targets/odroid-go/config.h"

components/retro-go/targets/rachel-esp32/config.h

@@ -0,0 +1,97 @@
+// Target definition
+#define RG_TARGET_NAME             "RACHEL-ESP32"
+
+// Storage
+#define RG_STORAGE_ROOT             "/sd"
+#define RG_STORAGE_SDSPI_HOST       SPI3_HOST
+#define RG_STORAGE_SDSPI_SPEED      SDMMC_FREQ_DEFAULT
+// #define RG_STORAGE_SDMMC_HOST       SDMMC_HOST_SLOT_1
+// #define RG_STORAGE_SDMMC_SPEED      SDMMC_FREQ_DEFAULT
+// #define RG_STORAGE_FLASH_PARTITION  "vfs"
+
+
+// Audio
+#define RG_AUDIO_USE_INT_DAC        0   // 0 = Disable, 1 = GPIO25, 2 = GPIO26, 3 = Both
+#define RG_AUDIO_USE_EXT_DAC        1   // 0 = Disable, 1 = Enable
+
+// Video
+#define RG_SCREEN_DRIVER            0   // 0 = ILI9341
+#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             240  //1.3 inch 240  2.4 inch 320 
+#define RG_SCREEN_HEIGHT            240
+#define RG_SCREEN_ROTATE            0
+#define RG_SCREEN_MARGIN_TOP        0
+#define RG_SCREEN_MARGIN_BOTTOM     0
+#define RG_SCREEN_MARGIN_LEFT       0
+#define RG_SCREEN_MARGIN_RIGHT      0
+#define RG_SCREEN_INIT()                                                                                                        \
+    ILI9341_CMD(0x01);                                                                                                          \
+    ILI9341_CMD(0x3A, 0x55);                                                                                                    \
+    ILI9341_CMD(0x20);                                                                                                          \
+    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);                                                                                                    \
+    ILI9341_CMD(0xC1, 0x12);                                                                                                    \
+    ILI9341_CMD(0xC5, 0x32, 0x3C);                                                                                              \
+    ILI9341_CMD(0xC7, 0x91);                                                                                                    \
+    ILI9341_CMD(0x36, (0xA0| 0X08));                          /* 1.3 inch 0XA0|0X08  (2.4 inch  0x00|0x80) */                   \
+    ILI9341_CMD(0xB1, 0x00, 0x10);                                                                                              \
+    ILI9341_CMD(0xB6, 0x0A, 0xA2);                                                                                              \
+    ILI9341_CMD(0xF6, 0x01, 0x30);                                                                                              \
+    ILI9341_CMD(0xF2, 0x00);                                                                                                    \
+    ILI9341_CMD(0x26, 0x01);                                                                                                    \
+    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);                      \
+    ILI9341_CMD(0x11);                                                                                                          \
+    ILI9341_CMD(0x29);     
+
+// Input
+// Refer to rg_input.h to see all available RG_KEY_* and RG_GAMEPAD_*_MAP types
+#define RG_GAMEPAD_GPIO_MAP {\
+    {RG_KEY_UP,     GPIO_NUM_7,  GPIO_PULLUP_ONLY, 0},\
+    {RG_KEY_RIGHT,  GPIO_NUM_6,  GPIO_PULLUP_ONLY, 0},\
+    {RG_KEY_DOWN,   GPIO_NUM_46, GPIO_PULLUP_ONLY, 0},\
+    {RG_KEY_LEFT,   GPIO_NUM_45, GPIO_PULLUP_ONLY, 0},\
+    {RG_KEY_SELECT, GPIO_NUM_16, GPIO_PULLUP_ONLY, 0},\
+    {RG_KEY_START,  GPIO_NUM_17, GPIO_PULLUP_ONLY, 0},\
+    {RG_KEY_MENU,   GPIO_NUM_18, GPIO_PULLUP_ONLY, 0},\
+    {RG_KEY_OPTION, GPIO_NUM_8,  GPIO_PULLUP_ONLY, 0},\
+    {RG_KEY_A,      GPIO_NUM_15, GPIO_PULLUP_ONLY, 0},\
+    {RG_KEY_B,      GPIO_NUM_5,  GPIO_PULLUP_ONLY, 0},\
+}
+
+// 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 - 3500.f) / (4200.f - 3500.f) * 100.f)
+#define RG_BATTERY_CALC_VOLTAGE(raw) ((raw) * 2.f * 0.001f)
+
+// Status LED
+#define RG_GPIO_LED                 GPIO_NUM_38
+
+// SPI Display (back up working)
+#define RG_GPIO_LCD_MISO            GPIO_NUM_NC
+#define RG_GPIO_LCD_MOSI            GPIO_NUM_12
+#define RG_GPIO_LCD_CLK             GPIO_NUM_48
+#define RG_GPIO_LCD_CS              GPIO_NUM_14
+#define RG_GPIO_LCD_DC              GPIO_NUM_47
+#define RG_GPIO_LCD_BCKL            GPIO_NUM_39
+#define RG_GPIO_LCD_RST             GPIO_NUM_3
+
+#define RG_GPIO_SDSPI_MISO          GPIO_NUM_9
+#define RG_GPIO_SDSPI_MOSI          GPIO_NUM_11
+#define RG_GPIO_SDSPI_CLK           GPIO_NUM_13
+#define RG_GPIO_SDSPI_CS            GPIO_NUM_10
+
+// External I2S DAC
+#define RG_GPIO_SND_I2S_BCK         41
+#define RG_GPIO_SND_I2S_WS          42
+#define RG_GPIO_SND_I2S_DATA        40
+// #define RG_GPIO_SND_AMP_ENABLE      18

components/retro-go/targets/rachel-esp32/docs/README.md

@@ -0,0 +1,16 @@
+# RACHEL ESP32
+
+- Status:
+- Ref:
+
+# Hardware info
+- ESP32-S3R8 (SoC 8MB PSRAM)
+- W25Q128JVPIQ (16MB FLASH )
+- NS4168 (I2S DAC)
+- st7789 (1.3 inch ips)
+- TP4056 (Lipo Charger IC)
+- battery (600mAh)
+
+# Images
+![device.jpg](device.jpg)
+![device_top.jpg](device_top.jpg)

components/retro-go/targets/rachel-esp32/env.py

@@ -0,0 +1,4 @@
+import os
+
+os.environ["IDF_TARGET"] = "esp32s3"
+os.environ["FW_FORMAT"] = "esplay"

components/retro-go/targets/rachel-esp32/sdkconfig

@@ -0,0 +1,194 @@
+#
+# 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=n
+CONFIG_ESPTOOLPY_FLASHSIZE_16MB=y
+CONFIG_ESPTOOLPY_FLASHSIZE="16MB"
+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_ESP32_REV_MIN_0=n
+CONFIG_ESP32_REV_MIN_1=y
+CONFIG_ESP32_REV_MIN_2=n
+CONFIG_ESP32_REV_MIN_3=n
+CONFIG_ESP32_REV_MIN=1
+CONFIG_ESP32_DEFAULT_CPU_FREQ_80=n
+CONFIG_ESP32_DEFAULT_CPU_FREQ_160=n
+CONFIG_ESP32_DEFAULT_CPU_FREQ_240=y
+CONFIG_ESP32_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_SPIRAM=y
+
+CONFIG_ESP32S3_SPIRAM_SUPPORT=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_CACHE_WORKAROUND=n
+CONFIG_SPIRAM_BANKSWITCH_ENABLE=n
+#CONFIG_SPIRAM_MALLOC_ALWAYSINTERNAL=16384
+#CONFIG_SPIRAM_MALLOC_RESERVE_INTERNAL=16384
+
+CONFIG_SPIRAM_MALLOC_ALWAYSINTERNAL=32768
+CONFIG_SPIRAM_MALLOC_RESERVE_INTERNAL=32768
+
+CONFIG_SPIRAM_ALLOW_STACK_EXTERNAL_MEMORY=y
+CONFIG_SPIRAM_ALLOW_BSS_SEG_EXTERNAL_MEMORY=y
+CONFIG_SPIRAM_OCCUPY_HSPI_HOST=n
+CONFIG_SPIRAM_OCCUPY_VSPI_HOST=y
+CONFIG_SPIRAM_OCCUPY_NO_HOST=n
+
+CONFIG_SPIRAM_MODE_OCT=y
+CONFIG_SPIRAM_CLK_IO=30
+CONFIG_SPIRAM_CS_IO=26
+CONFIG_DEFAULT_PSRAM_CLK_IO=30
+CONFIG_DEFAULT_PSRAM_CS_IO=26
+ONFIG_SPIRAM_OCCUPY_NO_HOST=n
+
+#
+# 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
+#
+# ODROID-GO partition table doesn't use any checksum
+CONFIG_APP_COMPATIBLE_PRE_V3_1_BOOTLOADERS=y
+CONFIG_PARTITION_TABLE_MD5=n
+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_ESP32_WIFI_IRAM_OPT=n
+CONFIG_ESP32_WIFI_RX_IRAM_OPT=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"