Merge pull request #4058 from thread-liu/liukang

[add] dcmi and ov2640 driver.

bsp/stm32/stm32h743-atk-apollo/board/Kconfig

@@ -41,6 +41,13 @@ menu "Onboard Peripheral Drivers"
         select RT_USING_DFS_ELMFAT
         default n
 
+    config BSP_USING_OV2640
+        bool "Enable camera (ov2640)"
+        select BSP_USING_DCMI
+        select BSP_USING_I2C
+        select BSP_USING_I2C2
+        default n
+
 endmenu
 
 menu "On-chip Peripheral Drivers"
@@ -98,28 +105,55 @@ menu "On-chip Peripheral Drivers"
         select RT_USING_SPI
         default n
 
-    menuconfig BSP_USING_I2C1
-        bool "Enable I2C1 BUS (software simulation)"
-        default n
-        select RT_USING_I2C
-        select RT_USING_I2C_BITOPS
-        select RT_USING_PIN
-        if BSP_USING_I2C1
-            comment "Notice: PH4 --> 116; PH5 --> 117"
-            config BSP_I2C1_SCL_PIN
-                int "i2c1 scl pin number"
-                range 1 176
-                default 116
-            config BSP_I2C1_SDA_PIN
-                int "I2C1 sda pin number"
-                range 1 176
-                default 117
-        endif
+    menuconfig BSP_USING_I2C
+    bool "Enable I2C BUS (software simulation)"
+    select RT_USING_I2C
+    select RT_USING_I2C_BITOPS
+    select RT_USING_PIN
+    default n
+    if BSP_USING_I2C
+        menuconfig BSP_USING_I2C1
+            bool "Enable I2C1 BUS (software simulation)"
+            default n
+            if BSP_USING_I2C1
+                comment "Notice: PH4 --> 116; PH5 --> 117"
+                config BSP_I2C1_SCL_PIN
+                    int "i2c1 scl pin number"
+                    range 1 176
+                    default 116
+                config BSP_I2C1_SDA_PIN
+                    int "I2C1 sda pin number"
+                    range 1 176
+                    default 117
+                        menuconfig BSP_USING_I2C2
+                    bool "Enable I2C2 BUS (software simulation)"
+                    default n
+            endif
+
+            menuconfig BSP_USING_I2C2
+            bool "Enable I2C2 BUS (software simulation)"
+            default n
+            if BSP_USING_I2C2
+                comment "Notice: PH13 --> 125; PH15 --> 127"
+                config BSP_I2C2_SCL_PIN
+                    int "i2c2 scl pin number"
+                    range 1 176
+                    default 127
+                config BSP_I2C2_SDA_PIN
+                    int "I2C2 sda pin number"
+                    range 1 176
+                    default 125
+            endif
+    endif
 
     config BSP_USING_ON_CHIP_FLASH
         bool "Enable on-chip FLASH"
         default n
 
+    config BSP_USING_DCMI
+        bool "Enable DCMI"
+        default n
+
     menuconfig BSP_USING_ONCHIP_RTC
         bool "Enable RTC"
         select RT_USING_RTC

bsp/stm32/stm32h743-atk-apollo/board/SConscript

@@ -17,6 +17,10 @@ if GetDepend(['BSP_USING_QSPI_FLASH']):
     src += Glob('ports/drv_qspi_flash.c')
 if GetDepend(['BSP_USING_SDMMC']):
     src += Glob('ports/drv_sdio.c')
+if GetDepend(['BSP_USING_DCMI']):
+    src += Glob('ports/drv_dcmi.c')
+if GetDepend(['BSP_USING_OV2640']):
+    src += Glob('ports/drv_ov2640.c')
 
 path = [cwd]
 path += [cwd + '/CubeMX_Config/Inc']

bsp/stm32/stm32h743-atk-apollo/board/ports/drv_dcmi.h

@@ -0,0 +1,34 @@
+/*
+ * Copyright (c) 2006-2022, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author            Notes
+ * 2020-07-27     thread-liu        the first version
+ */
+
+#ifndef __DRV_DCMI_H__
+#define __DRV_DCMI_H__
+
+#include "board.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct rt_dcmi_device
+{
+    struct rt_device parent;
+};
+
+extern DMA_HandleTypeDef hdma_dcmi;
+extern void rt_hw_dcmi_dma_config(rt_uint32_t dst_addr1, rt_uint32_t dst_addr2, rt_uint32_t len);
+extern void DCMI_Start(void);
+extern void DCMI_Stop(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif