From d55a97a3a7e3a56ac83e6fca7bcfc2e563e368df Mon Sep 17 00:00:00 2001
From: Andrew Yong <me@ndoo.sg>
Date: Fri, 7 Mar 2025 11:56:07 +0800
Subject: [PATCH] Add support for M5Stack AtomS3R-CAM

Signed-off-by: Andrew Yong <me@ndoo.sg>
---
 boards/esp32cam_m5stack_atoms3r.json | 82 ++++++++++++++++++++++++++++
 platformio.ini                       |  3 +
 src/main.cpp                         |  5 ++
 3 files changed, 90 insertions(+)
 create mode 100644 boards/esp32cam_m5stack_atoms3r.json

diff --git a/boards/esp32cam_m5stack_atoms3r.json b/boards/esp32cam_m5stack_atoms3r.json
new file mode 100644
index 0000000..8901e77
--- /dev/null
+++ b/boards/esp32cam_m5stack_atoms3r.json
@@ -0,0 +1,82 @@
+{
+  "build": {
+    "arduino":{
+      "ldscript": "esp32s3_out.ld",
+      "partitions": "default_8MB.csv",
+      "memory_type": "qio_opi"
+    },
+    "core": "esp32",
+    "extra_flags": [
+      "'-D ESP32CAM_M5STACK_ATOMS3R'",
+      "'-D BOARD_HAS_PSRAM'",
+      "'-D ARDUINO_USB_MODE=1'",
+      "'-D ARDUINO_USB_CDC_ON_BOOT=1'",
+      "'-D ARDUINO_RUNNING_CORE=1'",
+      "'-D ARDUINO_EVENT_RUNNING_CORE=1'",
+      "'-D USER_LED_GPIO=GPIO_NUM_NC'",
+      "'-D USER_LED_ON_LEVEL=GPIO_NUM_NC'",
+      "'-D CAMERA_POWER_GPIO=18'",
+      "'-D CAMERA_POWER_ON_LEVEL=LOW'",
+      "'-D CAMERA_CONFIG_PIN_PWDN=GPIO_NUM_NC'",
+      "'-D CAMERA_CONFIG_PIN_RESET=GPIO_NUM_NC'",
+      "'-D CAMERA_CONFIG_PIN_XCLK=21'",
+      "'-D CAMERA_CONFIG_PIN_SCCB_SDA=12'",
+      "'-D CAMERA_CONFIG_PIN_SCCB_SCL=9'",
+      "'-D CAMERA_CONFIG_PIN_Y9=13'",
+      "'-D CAMERA_CONFIG_PIN_Y8=11'",
+      "'-D CAMERA_CONFIG_PIN_Y7=17'",
+      "'-D CAMERA_CONFIG_PIN_Y6=4'",
+      "'-D CAMERA_CONFIG_PIN_Y5=48'",
+      "'-D CAMERA_CONFIG_PIN_Y4=46'",
+      "'-D CAMERA_CONFIG_PIN_Y3=42'",
+      "'-D CAMERA_CONFIG_PIN_Y2=3'",
+      "'-D CAMERA_CONFIG_PIN_VSYNC=10'",
+      "'-D CAMERA_CONFIG_PIN_HREF=14'",
+      "'-D CAMERA_CONFIG_PIN_PCLK=40'",
+      "'-D CAMERA_CONFIG_CLK_FREQ_HZ=20000000'",
+      "'-D CAMERA_CONFIG_LEDC_TIMER=LEDC_TIMER_0'",
+      "'-D CAMERA_CONFIG_LEDC_CHANNEL=LEDC_CHANNEL_0'",
+      "'-D CAMERA_CONFIG_FB_COUNT=2'",
+      "'-D CAMERA_CONFIG_FB_LOCATION=CAMERA_FB_IN_PSRAM'",
+      "'-D SCCB_I2C_PORT=I2C_NUM_0'",
+      "'-D GROVE_SDA=2'",
+      "'-D GROVE_SCL=1'"
+    ],
+    "f_cpu": "240000000L",
+    "f_flash": "80000000L",
+    "flash_mode": "qio",
+    "hwids": [
+      [
+        "0x2886",
+        "0x0056"
+      ],
+      [
+        "0x2886",
+        "0x8056"
+      ]
+    ],
+    "mcu": "esp32s3",
+    "variant": "esp32s3"
+  },
+  "connectivity": [
+    "bluetooth",
+    "wifi"
+  ],
+  "debug": {
+    "openocd_target": "esp32s3.cfg"
+  },
+  "frameworks": [
+    "arduino",
+    "espidf"
+  ],
+  "name": "M5STACK ATOMS3R",
+  "upload": {
+    "flash_size": "8MB",
+    "maximum_ram_size": 327680,
+    "maximum_size": 8388608,
+    "require_upload_port": true,
+    "speed": 460800
+  },
+  "url": "https://docs.m5stack.com/en/unit/esp32cam",
+  "vendor": "M5STACK"
+}
diff --git a/platformio.ini b/platformio.ini
index 3f722ef..a1635ba 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -83,6 +83,9 @@ board = esp32cam_espressif_esp32s3_eye
 [env:esp32cam_freenove_wrover_kit]
 board = esp32cam_freenove_wrover_kit
 
+[env:esp32cam_m5stack_atoms3r]
+board = esp32cam_m5stack_atoms3r
+
 [env:esp32cam_m5stack_camera_psram]
 board = esp32cam_m5stack_camera_psram
 
diff --git a/src/main.cpp b/src/main.cpp
index 8899780..2d205cd 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -316,6 +316,11 @@ void setup()
   // Disable brownout
   WRITE_PERI_REG(RTC_CNTL_BROWN_OUT_REG, 0);
 
+#ifdef CAMERA_POWER_GPIO
+  pinMode(CAMERA_POWER_GPIO, OUTPUT);
+  digitalWrite(CAMERA_POWER_GPIO, CAMERA_POWER_ON_LEVEL);
+#endif
+
 #ifdef USER_LED_GPIO
   pinMode(USER_LED_GPIO, OUTPUT);
   digitalWrite(USER_LED_GPIO, !USER_LED_ON_LEVEL);