feat: add SC031GS camera sensor support

CMakeLists.txt

@@ -41,6 +41,7 @@ if(IDF_TARGET STREQUAL "esp32" OR IDF_TARGET STREQUAL "esp32s2" OR IDF_TARGET ST
     sensors/bf20a6.c
     sensors/sc101iot.c
     sensors/sc030iot.c
+    sensors/sc031gs.c
     )
 
   list(APPEND COMPONENT_PRIV_INCLUDEDIRS

Kconfig

@@ -108,6 +108,14 @@ menu "Camera configuration"
         help
             Enable this option if you want to use the SC030IOT.
             Disable this option to save memory.
+
+    config SC031GS_SUPPORT
+        bool "Support SC031GS VGA"
+        default n
+        help
+            SC031GS is a global shutter CMOS sensor with high frame rate and single-frame HDR.
+            Enable this option if you want to use the SC031GS.
+            Disable this option to save memory.
 
     choice SCCB_HARDWARE_I2C_PORT
         bool "I2C peripheral to use for SCCB"

README.md

@@ -28,6 +28,7 @@ This repository hosts ESP32 series Soc compatible driver for image sensors. Addi
 | BF20A6  | 640 x 480      | color      | YUV/YCbCr422<br/>RAW Bayer                                   | 1/10"    |
 | SC101IOT| 1280 x 720     | color      | YUV/YCbCr422<br/>Raw RGB                                     | 1/4.2"   |
 | SC030IOT| 640 x 480      | color      | YUV/YCbCr422<br/>RAW Bayer                                   | 1/6.5"   |
+| SC031GS | 640 x 480      | monochrome | RAW MONO<br/>Grayscale                                       | 1/6"     |
 
 ## Important to Remember
 

driver/esp_camera.c

@@ -66,6 +66,9 @@
 #if CONFIG_SC030IOT_SUPPORT
 #include "sc030iot.h"
 #endif
+#if CONFIG_SC031GS_SUPPORT
+#include "sc031gs.h"
+#endif
 
 #if defined(ARDUINO_ARCH_ESP32) && defined(CONFIG_ARDUHAL_ESP_LOG)
 #include "esp32-hal-log.h"
@@ -137,6 +140,9 @@ static const sensor_func_t g_sensors[] = {
 #if CONFIG_SC030IOT_SUPPORT
     {sc030iot_detect, sc030iot_init},
 #endif
+#if CONFIG_SC031GS_SUPPORT
+    {sc031gs_detect, sc031gs_init},
+#endif
 };
 
 static esp_err_t camera_probe(const camera_config_t *config, camera_model_t *out_camera_model)

driver/include/sensor.h

@@ -30,6 +30,7 @@ typedef enum {
     BF20A6_PID = 0x20a6,
     SC101IOT_PID = 0xda4a,
     SC030IOT_PID = 0x9a46,
+    SC031GS_PID = 0x0031,
 } camera_pid_t;
 
 typedef enum {
@@ -46,6 +47,7 @@ typedef enum {
     CAMERA_BF20A6,
     CAMERA_SC101IOT,
     CAMERA_SC030IOT,
+    CAMERA_SC031GS,
     CAMERA_MODEL_MAX,
     CAMERA_NONE,
 } camera_model_t;
@@ -64,6 +66,7 @@ typedef enum {
     BF20A6_SCCB_ADDR   = 0x6E,
     SC101IOT_SCCB_ADDR = 0x68,// 0xd0 >> 1
     SC030IOT_SCCB_ADDR = 0x68,// 0xd0 >> 1
+    SC031GS_SCCB_ADDR  = 0x30,
 } camera_sccb_addr_t;
 
 typedef enum {

driver/sensor.c

@@ -16,6 +16,7 @@ const camera_sensor_info_t camera_sensor[CAMERA_MODEL_MAX] = {
     {CAMERA_BF20A6, "BF20A6", BF20A6_SCCB_ADDR, BF20A6_PID, FRAMESIZE_VGA, false},
     {CAMERA_SC101IOT, "SC101IOT", SC101IOT_SCCB_ADDR, SC101IOT_PID, FRAMESIZE_HD, false},
     {CAMERA_SC030IOT, "SC030IOT", SC030IOT_SCCB_ADDR, SC030IOT_PID, FRAMESIZE_VGA, false},
+    {CAMERA_SC031GS, "SC031GS", SC031GS_SCCB_ADDR, SC031GS_PID, FRAMESIZE_VGA, false},
 };
 
 const resolution_info_t resolution[FRAMESIZE_INVALID] = {

sensors/private_include/sc031gs.h

@@ -0,0 +1,31 @@
+/*
+ *
+ * SC031GS DVP driver.
+ *
+ */
+#ifndef __SC031GS_H__
+#define __SC030GS_H__
+
+#include "sensor.h"
+
+/**
+ * @brief Detect sensor pid
+ *
+ * @param slv_addr SCCB address
+ * @param id Detection result
+ * @return
+ *     0:       Can't detect this sensor
+ *     Nonzero: This sensor has been detected
+ */
+int sc031gs_detect(int slv_addr, sensor_id_t *id);
+
+/**
+ * @brief initialize sensor function pointers
+ *
+ * @param sensor pointer of sensor
+ * @return
+ *      Always 0
+ */
+int sc031gs_init(sensor_t *sensor);
+
+#endif // __SC031GS_H__

sensors/private_include/sc031gs_settings.h

@@ -0,0 +1,202 @@
+// Copyright 2022-2023 Espressif Systems (Shanghai) PTE LTD
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+//Preview Type:0:DVP Raw 10 bit// 1:Raw 8 bit// 2:YUV422// 3:RAW16
+//Preview Type:4:RGB565// 5:Pixart SPI// 6:MIPI 10bit// 7:MIPI 12bit// 8: MTK SPI
+//port  0:MIPI// 1:Parallel// 2:MTK// 3:SPI// 4:TEST// 5: HISPI// 6 : Z2P/Z4P
+//I2C Mode    :0:Normal 8Addr,8Data//  1:Samsung 8 Addr,8Data// 2:Micron 8 Addr,16Data
+//I2C Mode    :3:Stmicro 16Addr,8Data//4:Micron2 16 Addr,16Data
+//Out Format  :0:YCbYCr/RG_GB// 1:YCrYCb/GR_BG// 2:CbYCrY/GB_RG// 3:CrYCbY/BG_GR
+//MCLK Speed  :0:6M//1:8M//2:10M//3:11.4M//4:12M//5:12.5M//6:13.5M//7:15M//8:18M//9:24M
+//pin  :BIT0 pwdn// BIT1:reset
+//avdd  0:2.8V// 1:2.5V// 2:1.8V
+//dovdd  0:2.8V// 1:2.5V// 2:1.8V
+//dvdd  0:1.8V// 1:1.5V// 2:1.2V
+
+/*
+[database]
+DBName=Dothinkey
+
+[vendor]
+VendorName=SmartSens
+
+[sensor]
+SensorName=SC031GS
+width=200
+height=200
+port=1
+type=1
+pin=2
+SlaveID=0x60
+mode=3
+FlagReg=0x36FF
+FlagMask=0xff
+FlagData=0x00
+FlagReg1=0x36FF
+FlagMask1=0xff
+FlagData1=0x00
+outformat=3
+mclk=10
+avdd=2.800000
+dovdd=2.800000
+dvdd=1.500000
+
+Ext0=0
+Ext1=0
+Ext2=0
+AFVCC=2.513000
+VPP=0.000000
+*/
+#include <stdint.h>
+
+#define SC031GS_OUTPUT_WINDOW_START_X_H_REG        0x3212
+#define SC031GS_OUTPUT_WINDOW_START_X_L_REG        0x3213
+#define SC031GS_OUTPUT_WINDOW_START_Y_H_REG        0x3210
+#define SC031GS_OUTPUT_WINDOW_START_Y_L_REG        0x3211
+#define SC031GS_OUTPUT_WINDOW_WIDTH_H_REG          0x3208
+#define SC031GS_OUTPUT_WINDOW_WIDTH_L_REG          0x3209
+#define SC031GS_OUTPUT_WINDOW_HIGH_H_REG           0x320a
+#define SC031GS_OUTPUT_WINDOW_HIGH_L_REG           0x320b
+#define SC031GS_LED_STROBE_ENABLE_REG              0x3361 // When the camera is in exposure, this PAD LEDSTROBE will be high to drive the external LED.
+
+#define REG_NULL			0xFFFF
+#define REG_DELAY           0X0000
+
+struct sc031gs_regval {
+	uint16_t addr;
+	uint8_t val;
+};
+
+// 200*200, xclk=10M, fps=120fps
+static const struct sc031gs_regval sc031gs_default_init_regs[] = {
+    {0x0103, 0x01}, // soft reset.
+	{REG_DELAY, 10}, // delay.
+	{0x0100, 0x00},
+	{0x36e9, 0x80},
+	{0x36f9, 0x80},
+	{0x300f, 0x0f},
+	{0x3018, 0x1f},
+	{0x3019, 0xff},
+	{0x301c, 0xb4},
+	{0x301f, 0x7b},
+	{0x3028, 0x82},
+	{0x3200, 0x00},
+	{0x3201, 0xdc},
+	{0x3202, 0x00},
+	{0x3203, 0x98},
+	{0x3204, 0x01},
+	{0x3205, 0xb3},
+	{0x3206, 0x01},
+	{0x3207, 0x67},
+	{SC031GS_OUTPUT_WINDOW_WIDTH_H_REG, 0x00},
+	{SC031GS_OUTPUT_WINDOW_WIDTH_L_REG, 0xc8},
+	{SC031GS_OUTPUT_WINDOW_HIGH_H_REG, 0x00},
+	{SC031GS_OUTPUT_WINDOW_HIGH_L_REG, 0xc8},
+	{0x320c, 0x03},
+	{0x320d, 0x6b},
+	{0x320e, 0x01}, //default 120fps: {0x320e, 0x01},{0x320f, 0x40}, 58fps: {0x320e, 0x02},{0x320f, 0xab}; 30fps: {0x320e, 0x05}, {0x320f, 0x34}
+	{0x320f, 0x40}, 
+	{SC031GS_OUTPUT_WINDOW_START_Y_H_REG, 0x00},
+	{SC031GS_OUTPUT_WINDOW_START_Y_L_REG, 0x08},
+	{SC031GS_OUTPUT_WINDOW_START_X_H_REG, 0x00},
+	{SC031GS_OUTPUT_WINDOW_START_X_L_REG, 0x04},
+	{0x3220, 0x10},
+	{0x3223, 0x50},
+	{0x3250, 0xf0},
+	{0x3251, 0x02},
+	{0x3252, 0x01},
+	{0x3253, 0x3b},
+	{0x3254, 0x02},
+	{0x3255, 0x07},
+	{0x3304, 0x48},
+	{0x3306, 0x38},
+	{0x3309, 0x50},
+	{0x330b, 0xe0},
+	{0x330c, 0x18},
+	{0x330f, 0x20},
+	{0x3310, 0x10},
+	{0x3314, 0x70},
+	{0x3315, 0x38},
+	{0x3316, 0x68},
+	{0x3317, 0x0d},
+	{0x3329, 0x5c},
+	{0x332d, 0x5c},
+	{0x332f, 0x60},
+	{0x3335, 0x64},
+	{0x3344, 0x64},
+	{0x335b, 0x80},
+	{0x335f, 0x80},
+	{0x3366, 0x06},
+	{0x3385, 0x41},
+	{0x3387, 0x49},
+	{0x3389, 0x01},
+	{0x33b1, 0x03},
+	{0x33b2, 0x06},
+	{0x3621, 0xa4},
+	{0x3622, 0x05},
+	{0x3624, 0x47},
+	{0x3631, 0x48},
+	{0x3633, 0x52},
+	{0x3635, 0x18},
+	{0x3636, 0x25},
+	{0x3637, 0x89},
+	{0x3638, 0x0f},
+	{0x3639, 0x08},
+	{0x363a, 0x00},
+	{0x363b, 0x48},
+	{0x363c, 0x06},
+	{0x363e, 0xf8},
+	{0x3640, 0x00},
+	{0x3641, 0x01},
+	{0x36ea, 0x39},
+	{0x36eb, 0x1e},
+	{0x36ec, 0x0e},
+	{0x36ed, 0x23},
+	{0x36fa, 0x39},
+	{0x36fb, 0x10},
+	{0x36fc, 0x01},
+	{0x36fd, 0x03},
+	{0x3908, 0x91},
+	{0x3d08, 0x01},
+	{0x3d04, 0x04},
+	{0x3e01, 0x13},
+	{0x3e02, 0xa0},
+	{0x3e06, 0x0c},
+	{0x3f04, 0x03},
+	{0x3f05, 0x4b},
+	{0x4500, 0x59},
+	{0x4501, 0xc4},
+	{0x4809, 0x01},
+	{0x4837, 0x39},
+	{0x5011, 0x00},
+	{0x36e9, 0x04},
+	{0x36f9, 0x04},
+	{0x0100, 0x01},
+
+	//delay 10ms
+	{REG_DELAY, 0X0a},
+	{0x4418, 0x08},
+	{0x4419, 0x80},
+	{0x363d, 0x10},
+	{0x3630, 0x48},
+
+	// [gain<4] 
+	{0x3317, 0x0d},
+	{0x3314, 0x70},
+
+	// [gain>=4]
+	{0x3314, 0x68},
+	{0x3317, 0x0e},
+	{REG_NULL, 0x00},
+};