add pika RTDevice.py

package/pikaRTDevice/pikaRTDevice.py

@@ -0,0 +1,27 @@
+import PikaStdDevice
+
+
+class GPIO(PikaStdDevice.GPIO):
+    # need be overrid
+    def platformHigh():
+        pass
+
+    # need override
+    def platformLow():
+        pass
+
+    # need override
+    def platformEnable():
+        pass
+
+    # need override
+    def platformDisable():
+        pass
+
+    # need override
+    def platformSetMode():
+        pass
+
+    # need override
+    def platformRead():
+        pass

package/pikaRTDevice/pikaRTDevice_GPIO.c

@@ -0,0 +1,57 @@
+#include "pikaRTDevice_GPIO.h"
+#include <rtthread.h>
+#include <rtdevice.h>
+rt_base_t pika_get_rt_mode_num(char *mode, char* pull);
+void pikaRTDevice_GPIO_platformEnable(PikaObj *self){
+    char* pin = obj_getStr(self, "pin");
+    char* mode = obj_getStr(self, "mode");
+    char* pull = obj_getStr(self, "pull");
+    rt_base_t pin_num = rt_pin_get(pin);
+    if(pin_num < 0){
+        obj_setSysOut(self, "[error]: gpio hardware fault, can not get pin number.");
+        obj_setErrorCode(self, 1);
+    }
+    rt_base_t mode_num = pika_get_rt_mode_num(mode, pull);
+    rt_pin_mode(pin_num, mode_num);
+}
+
+rt_base_t pika_get_rt_mode_num(char *mode, char* pull){
+    if(strEqu(mode, "out")){
+        return PIN_MODE_OUTPUT;
+    }
+    if(strEqu(mode, "in")){
+        if(strEqu(pull, "none")){
+            return PIN_MODE_INPUT;
+        }
+        if(strEqu(pull, "up")){
+            return PIN_MODE_INPUT_PULLUP;
+        }
+        if(strEqu(pull, "down")){
+            return PIN_MODE_INPUT_PULLDOWN;
+        }
+    }
+    /* default */
+    return PIN_MODE_OUTPUT;
+}
+
+void pikaRTDevice_GPIO_platformDisable(PikaObj *self){
+
+}
+void pikaRTDevice_GPIO_platformHigh(PikaObj *self){
+    char* pin = obj_getStr(self, "pin");
+    rt_base_t pin_num = rt_pin_get(pin);
+    rt_pin_write(pin_num, PIN_HIGH);
+}
+void pikaRTDevice_GPIO_platformLow(PikaObj *self){
+    char* pin = obj_getStr(self, "pin");
+    rt_base_t pin_num = rt_pin_get(pin);
+    rt_pin_write(pin_num, PIN_LOW);
+}
+void pikaRTDevice_GPIO_platformRead(PikaObj *self){
+    char* pin = obj_getStr(self, "pin");
+    rt_base_t pin_num = rt_pin_get(pin);
+    obj_setInt(self, "readBuff", rt_pin_read(pin_num));
+}
+void pikaRTDevice_GPIO_platformSetMode(PikaObj *self){
+    pikaRTDevice_GPIO_platformEnable(self);
+}