[bsp][ch32v307v]添加了硬件iic驱动

bsp/wch/risc-v/Libraries/ch32_drivers/SConscript

@@ -18,6 +18,9 @@ if  GetDepend('SOC_RISCV_FAMILY_CH32'):
     if GetDepend('BSP_USING_DAC'):
         src += ['drv_dac.c']
 
+    if GetDepend('BSP_USING_I2C'):
+        src += ['drv_i2c.c']
+
     if GetDepend('BSP_USING_SOFT_I2C'):
         src += ['drv_soft_i2c.c']
 

bsp/wch/risc-v/Libraries/ch32_drivers/drv_i2c.h

@@ -0,0 +1,36 @@
+/*
+ * Copyright (c) 2006-2024, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2024-4-1       IceBear003   the first version
+ */
+
+#ifndef __DRV_I2C_H_
+#define __DRV_I2C_H_
+
+#include <rtthread.h>
+#include <rtdevice.h>
+
+struct i2c_bus_device
+{
+    struct rt_i2c_bus_device parent;
+    I2C_TypeDef *periph;
+};
+
+struct i2c_config
+{
+    rt_uint32_t clock_speed;
+    uint16_t duty_cycle;
+    uint16_t own_address;
+    uint8_t enable_ack;
+    uint8_t is_7_bit_address;
+};
+
+struct i2c_config i2c_default_conf={5000, I2C_Mode_I2C, I2C_DutyCycle_2, 0, I2C_Ack_Disable, I2C_AcknowledgedAddress_7bit};
+
+int rt_hw_i2c_init(struct i2c_config *config);
+
+#endif

bsp/wch/risc-v/ch32v307v-r1/board/Kconfig

@@ -121,6 +121,21 @@ menu "On-chip Peripheral Drivers"
                 default n
         endif
 
+    menuconfig BSP_USING_I2C
+        bool "Enable I2C"
+        select RT_USING_I2C
+
+        if BSP_USING_I2C
+            config BSP_USING_I2C1
+                bool "Enable I2C1"
+                default n
+
+            config BSP_USING_I2C2
+                bool "Enable I2C2"
+                default n
+
+        endif
+
     menuconfig BSP_USING_SOFT_I2C
         bool "Enable I2C Bus"
         select RT_USING_I2C