Add README

Signed-off-by: Bigbits <btx000@qq.com>

README.md

@@ -1,2 +1,22 @@
-# Kenduino-core
-k210 arduino core
+# Arduino Core for Kendryte K210
+----
+## Windows
+### 1.首选项添加下列地址 然后打开开发版管理器下载开发包
+>https://bigbits.oss-cn-qingdao.aliyuncs.com/Arduino_for_k210/package_k210_index.json
+### 2.安装好之后添加工具链目录到PATH环境变量
+>C:\Users\\**(username)**\AppData\Local\Arduino15\packages\Kenduino\tools\riscv64-unknown-elf-gcc\8.2.0\bin
+### 3.安装[.Net core runtime](https://download.visualstudio.microsoft.com/download/pr/3f05ee2d-5372-43d6-9562-be86632a53d4/1361281426efa7ff206289adb0411f55/dotnet-runtime-3.0.0-preview3-27503-5-win-x64.exe)
+### 4.开发板选择Sipeed M1 Board 编程器选 k-flash
+### 5.连接开发板选对应的串口号
+### 6.编写程序 编译 上传 完成
+----
+## Ubuntu
+### 1.首选项添加下列地址 然后打开开发版管理器下载开发包
+>https://bigbits.oss-cn-qingdao.aliyuncs.com/Arduino_for_k210/package_k210_index.json
+### 2.需要解决usb串口访问权限
+>sudo usermode -a -G dialout **(username)**
+### 3.安装pyserial
+>pip3 install pyserial
+### 4.开发板选择Sipeed M1 Board 编程器选 k-flash
+### 5.连接开发板选对应的串口号
+### 6.编写程序 编译 上传 完成

cores/arduino/WCharacter.h

@@ -22,6 +22,7 @@
 
 #include <ctype.h>
 #include "wiring_constants.h"
+#include "wiring_digital.h"
 
 #ifdef __cplusplus
 extern "C"{

cores/arduino/WInterrupts.c

@@ -6,30 +6,34 @@
 void attachInterrupt(uint8_t intnum, voidFuncPtr callback, uint8_t mode)
 {
     plic_irq_callback_t _callback = (plic_irq_callback_t)callback;
-    switch(mode){
-        case LOW : 
-            gpiohs_set_pin_edge(intnum, GPIO_PE_LOW);
-            break;
-        case HIGH :
-            gpiohs_set_pin_edge(intnum, GPIO_PE_HIGH);
-            break;
-        case FALLING :
-            gpiohs_set_pin_edge(intnum, GPIO_PE_FALLING);
-            break; 
-        case CHANGE :
-            gpiohs_set_pin_edge(intnum, GPIO_PE_BOTH);
-            break;
-        case RISING :
-            gpiohs_set_pin_edge(intnum, GPIO_PE_RISING);
-            break;
+    int gpionum = getGpio(intnum);
+    if(gpionum >= 0){
+        switch(mode){
+            case LOW : 
+                gpiohs_set_pin_edge((uint8_t)gpionum, GPIO_PE_LOW);
+                break;
+            case HIGH :
+                gpiohs_set_pin_edge((uint8_t)gpionum, GPIO_PE_HIGH);
+                break;
+            case FALLING :
+                gpiohs_set_pin_edge((uint8_t)gpionum, GPIO_PE_FALLING);
+                break; 
+            case CHANGE :
+                gpiohs_set_pin_edge((uint8_t)gpionum, GPIO_PE_BOTH);
+                break;
+            case RISING :
+                gpiohs_set_pin_edge((uint8_t)gpionum, GPIO_PE_RISING);
+                break;
+        }
+        gpiohs_irq_register((uint8_t)gpionum, 10, _callback, NULL);
+        sysctl_enable_irq();
     }
-    gpiohs_irq_register(intnum, 1, _callback, NULL);
-    sysctl_enable_irq();
-
 }
 
 void detachInterrupt(uint8_t intnum)
 {
-    gpiohs_irq_unregister(intnum);
-
-}
+    int gpionum = getGpio(intnum);
+    if(gpionum >= 0){
+        gpiohs_irq_unregister((uint8_t)gpionum);
+    }
+}

cores/arduino/WInterrupts.h

@@ -35,7 +35,7 @@ extern "C"{
 #define DEFAULT 1
 #define EXTERNAL 0
 
-#define digitalPinToInterrupt(P)
+#define digitalPinToInterrupt(Pin) Pin;
 typedef void (*voidFuncPtr)(void);
 /*
  * \brief Specifies a named Interrupt Service Routine (ISR) to call when an interrupt occurs. Use digitalPinToInterrupt(pin) to get the correct intnum.

cores/arduino/main.cpp

@@ -5,7 +5,7 @@
 
 
 #define cmb() __asm__ __volatile__ ("" ::: "memory")
-
+extern "C"{ void * __dso_handle = 0 ;}
 
 /*
  * \brief Main entry point of Arduino application