[bsp][ch32v307]适配RT-duino框架 (#6669)

为ch32v307适配rt-duino，支持pwm、gpio、uart、iic，暂不支持 spi。
已在ch32v307评估板测试。
测试内容包括串口打印、呼吸灯、AHT10温湿度读取等。

bsp/wch/risc-v/ch32v307v-r1/applications/SConscript

 from building import *
 import os
 
-cwd = GetCurrentDir()
-src = Glob('*.c')
+cwd     = GetCurrentDir()
 CPPPATH = [cwd]
+src = ['main.c']
+
+if GetDepend(['PKG_USING_RTDUINO']) and not GetDepend(['RTDUINO_NO_SETUP_LOOP']):
+    src += ['arduino_main.cpp']
 
 group = DefineGroup('Applications', src, depend = [''], CPPPATH = CPPPATH)
 

bsp/wch/risc-v/ch32v307v-r1/applications/arduino_main.cpp

+/*
+ * Copyright (c) 2006-2022, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2022-11-29     hg0720       first version
+ */
+
+#include <Arduino.h>
+
+void setup(void)
+{
+    /* put your setup code here, to run once: */
+    Serial.begin();
+}
+
+void loop(void)
+{
+    /* put your main code here, to run repeatedly: */
+    Serial.println("Hello Arduino!");
+    delay(800);
+}

bsp/wch/risc-v/ch32v307v-r1/applications/arduino_pinout/Sconscript

+from building import *
+
+cwd = GetCurrentDir()
+src = Glob('*.c') + Glob('*.cpp')
+inc = [cwd]
+
+group = DefineGroup('RTduino', src, depend = ['PKG_USING_RTDUINO'], CPPPATH = inc)
+
+Return('group')

bsp/wch/risc-v/ch32v307v-r1/applications/arduino_pinout/pins_arduino.c

+/*
+ * Copyright (c) 2006-2022, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2022-11-29     hg0720       first version
+ */
+
+#include <Arduino.h>
+#include <board.h>
+#include "pins_arduino.h"
+
+/*
+ * {Arduino Pin, RT-Thread Pin [, Device Name, Channel]}
+ * [] means optional
+ * Digital pins must NOT give the device name and channel.
+ * Analog pins MUST give the device name and channel(ADC, PWM or DAC).
+ * Arduino Pin must keep in sequence.
+ */
+const pin_map_t pin_map_table[]=
+{
+    {D0, GET_PIN(A,10), "uart1"},       /* Serial-Rx */
+    {D1, GET_PIN(A,9), "uart1"},        /* Serial-Tx */
+    {D2, GET_PIN(A,8), "pwm1", 1},      /* PWM */
+    {D3, GET_PIN(A,7), "pwm3", 2},      /* PWM */
+    {D4, GET_PIN(A,6), "pwm3", 1},      /* PWM */
+    {D5, GET_PIN(B,5)},                 /* LED_BUILTIN */
+    {D6, GET_PIN(B,8), "pwm4", 3},      /* PWM */
+    {D7, GET_PIN(B,9), "pwm4", 4},      /* PWM */
+    {D8, GET_PIN(B,1), "pwm3", 4},      /* PWM */
+    {D9, GET_PIN(B,0), "pwm3", 3},      /* PWM */
+    {D10, GET_PIN(B,12)},
+    {D11, GET_PIN(B,15)},
+    {D12, GET_PIN(B,14)},
+    {D13, GET_PIN(B,13)},
+    {D14, GET_PIN(B,11), "i2c1"},       /* I2C-SDA (Wire) */
+    {D15, GET_PIN(B,10), "i2c1"},       /* I2C-SCL (Wire) */
+    {A0, GET_PIN(A,0), "adc1", 0},      /* ADC */
+    {A1, GET_PIN(A,1), "adc1", 1},      /* ADC */
+    {A2, GET_PIN(A,2), "adc1", 2},      /* ADC */
+    {A3, GET_PIN(A,3), "adc1", 3},      /* ADC */
+    {A4, GET_PIN(A,4), "adc1", 4},      /* ADC */
+    {A5, GET_PIN(A,5), "adc1", 5},      /* ADC */
+};

bsp/wch/risc-v/ch32v307v-r1/applications/arduino_pinout/pins_arduino.h

+/*
+ * Copyright (c) 2006-2022, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2022-11-29     hg0720       first version
+ */
+
+#ifndef Pins_Arduino_h
+#define Pins_Arduino_h
+
+/* pins alias. Must keep in sequence */
+#define D0        (0)
+#define D1        (1)
+#define D2        (2)
+#define D3        (3)
+#define D4        (4)
+#define D5        (5)
+#define D6        (6)
+#define D7        (7)
+#define D8        (8)
+#define D9        (9)
+#define D10       (10)
+#define D11       (11)
+#define D12       (12)
+#define D13       (13)
+#define D14       (14)
+#define D15       (15)
+#define A0        (16)
+#define A1        (17)
+#define A2        (18)
+#define A3        (19)
+#define A4        (20)
+#define A5        (21)
+
+#define F_CPU          144000000L  /* CPU:144MHz */
+
+#define LED_BUILTIN     D5  /* Default Built-in LED */
+
+/* i2c1 : PB1-SDA PB10-SCL */
+#define RTDUINO_DEFAULT_IIC_BUS_NAME    "i2c1"
+
+#endif /* Pins_Arduino_h */

bsp/wch/risc-v/ch32v307v-r1/applications/main.c

@@ -9,12 +9,21 @@
  */
 
 #include <rtthread.h>
+#include <rtdevice.h>
+
+/* defined the LED0 pin: PB5 */
+#define LED0_PIN              rt_pin_get("PB.5")
 
 int main(void)
 {
+    /* set LED0 pin mode to output */
+    rt_pin_mode(LED0_PIN, PIN_MODE_OUTPUT);
+
     while (1)
     {
-        rt_kprintf("Hello RT-Thread!\n");
-        rt_thread_mdelay(1000);
+        rt_pin_write(LED0_PIN, PIN_HIGH);
+        rt_thread_mdelay(500);
+        rt_pin_write(LED0_PIN, PIN_LOW);
+        rt_thread_mdelay(500);
     }
 }

bsp/wch/risc-v/ch32v307v-r1/board/board.h

@@ -12,7 +12,10 @@
 #ifndef __BOARD_H__
 #define __BOARD_H__
 
+#include <rtthread.h>
 #include "ch32v30x.h"
+#include "drv_gpio.h"
+#include "drv_pwm.h"
 
 /* board configuration */
 #define SRAM_SIZE  96