Use #ifde for compatibility

Author: Wu Han

port/i2c_soft_init.c

@@ -1,80 +1,110 @@
 #include "i2c_soft_init.h"
 
+#ifdef SOC_STM32F1
+#include <stm32f10x.h>
+#endif
+
 void stm32_set_sda(void *data, rt_int32_t state)
 {
+    // examples for STM32F103x
+    #ifdef SOC_STM32F1
     if(state == 1)
         GPIO_SetBits(I2C1_GPIO , I2C1_GPIO_SDA);   //GPIOB->BSRRL = I2C1_GPIO_SDA
 		// rt_pin_write(I2C1_GPIO_SDA,PIN_HIGH);
     else if(state == 0)
         GPIO_ResetBits(I2C1_GPIO , I2C1_GPIO_SDA); //GPIOB->BSRRH = I2C1_GPIO_SDA
 		// rt_pin_write(I2C1_GPIO_SDA,PIN_LOW);
+    #endif
 }
 
 void stm32_set_scl(void *data, rt_int32_t state)
 {
+    // examples for STM32F103x
+    #ifdef SOC_STM32F1
     if(state == 1)
 		GPIO_SetBits(I2C1_GPIO , I2C1_GPIO_SCL);   //GPIOB->BSRRL = I2C1_GPIO_SCL
 		// rt_pin_write(I2C1_GPIO_SCL,PIN_HIGH);
     else if(state == 0)
         GPIO_ResetBits(I2C1_GPIO , I2C1_GPIO_SCL); //GPIOB->BSRRH = I2C1_GPIO_SCL
 		// rt_pin_write(I2C1_GPIO_SCL,PIN_LOW);
+    #endif
 }
 
 rt_int32_t stm32_get_sda(void *data)
 {
+    // examples for STM32F103x
+    #ifdef SOC_STM32F1
     return (rt_int32_t)GPIO_ReadInputDataBit(I2C1_GPIO , I2C1_GPIO_SDA);//return(GPIOB->IDR  & I2C1_GPIO_SDA)
-	// return rt_pin_read(I2C1_GPIO_SDA);
+	#endif
+    // return rt_pin_read(I2C1_GPIO_SDA);
 }
 
 rt_int32_t stm32_get_scl(void *data)
 {
+    // examples for STM32F103x
+    #ifdef SOC_STM32F1
     return (rt_int32_t)GPIO_ReadInputDataBit(I2C1_GPIO , I2C1_GPIO_SCL);//return(GPIOB->IDR  & I2C1_GPIO_SCL)
-	// return rt_pin_read(I2C1_GPIO_SCL);
+	#endif
+    // return rt_pin_read(I2C1_GPIO_SCL);
 }
 
 void stm32_udelay(rt_uint32_t us)
 {
+    // examples for STM32F103x
+    #ifdef SOC_STM32F1
     rt_uint32_t delta;
     /* sysTick->LOAD=21000, RT_TICK_PER_SECOND=1000 */
     us = us * (SysTick->LOAD/(1000000/RT_TICK_PER_SECOND));
     delta = SysTick->VAL;
     /* delay us */
     while (delta - SysTick->VAL< us);
+    #endif
 }
 
 void stm32_mdelay(rt_uint32_t ms)
 {
-      stm32_udelay(ms * 1000);
+    // examples for STM32F103x
+    #ifdef SOC_STM32F1
+    stm32_udelay(ms * 1000);
+    #endif
 }
 
 static const struct  rt_i2c_bit_ops stm32_i2c_bit_ops =
 {
+    // examples for STM32F103x
+    #ifdef SOC_STM32F1
     (void*)0xaa,     //no use in set_sda,set_scl,get_sda,get_scl
     stm32_set_sda,
     stm32_set_scl,
     stm32_get_sda,
     stm32_get_scl,
     stm32_udelay,
-    20, 
+    20,
+    #endif 
 };
 
 static void RCC_Configuration(void)
 {
+    // examples for STM32F103x
+    #ifdef SOC_STM32F1
 	RCC->APB2ENR|=1<<4;
 	RCC_APB2PeriphClockCmd( RCC_I2C, ENABLE );
+    #endif
 }
 
 
 static void GPIO_Configuration(void)
 {
-	
+    // examples for STM32F103x
+    #ifdef SOC_STM32F1
 	GPIO_InitTypeDef GPIO_InitStructure;
 	GPIO_InitStructure.GPIO_Pin = I2C1_GPIO_SDA | I2C1_GPIO_SCL;
 	GPIO_InitStructure.GPIO_Mode =GPIO_Mode_Out_OD ;
 	GPIO_InitStructure.GPIO_Speed =GPIO_Speed_50MHz;
 
 	GPIO_Init(I2C1_GPIO, &GPIO_InitStructure);
-	
+	#endif
+
 	// rt_pin_mode(I2C1_GPIO_SDA, PIN_MODE_OUTPUT_OD);
 	// rt_pin_mode(I2C1_GPIO_SCL, PIN_MODE_OUTPUT_OD);
 

port/i2c_soft_init.h

@@ -1,7 +1,6 @@
 #ifndef __I2C_SOFT_INIT_H__
 #define __I2C_SOFT_INIT_H__
 
-#include <stm32f10x.h>
 #include <rtthread.h>
 #include <rtdevice.h>
 #include <drivers/i2c-bit-ops.h>