forked from trocache/RefKEIL
49 lines
1.3 KiB
C
49 lines
1.3 KiB
C
#include "Driver_GPIO.h"
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#include "stm32f10x.h"
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#include "stdio.h"
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void MyGPIO_Init ( MyGPIO_Struct_TypeDef * GPIOStructPtr )
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{
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/* Reset, and then configuration writing of the selected GPIO Pin */
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if(GPIOStructPtr->GPIO_Pin <= 8)
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{
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GPIOStructPtr->GPIO->CRL &= ~0xF<<(4*(GPIOStructPtr->GPIO_Pin));
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GPIOStructPtr->GPIO->CRL |= (GPIOStructPtr->GPIO_Conf)<<(4*(GPIOStructPtr->GPIO_Pin));
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}
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else
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{
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GPIOStructPtr->GPIO->CRH &= ~0xF<<(4*((GPIOStructPtr->GPIO_Pin)%8));
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GPIOStructPtr->GPIO->CRH |= (GPIOStructPtr->GPIO_Conf)<<(4*((GPIOStructPtr->GPIO_Pin)%8));
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}
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if(GPIOStructPtr->GPIO_Conf == (char)In_PullDown)
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{
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GPIOStructPtr->GPIO->ODR &= ~(0x1<<(GPIOStructPtr->GPIO_Pin));
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}
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else if(GPIOStructPtr->GPIO_Conf == (char)In_PullUp)
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{
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GPIOStructPtr->GPIO->ODR |= 0x1<<(GPIOStructPtr->GPIO_Pin);
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}
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}
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int MyGPIO_Read ( GPIO_TypeDef * GPIO , char GPIO_Pin )
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{
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return ((GPIO->ODR & (0x1<<GPIO_Pin))>>GPIO_Pin);
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}
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void MyGPIO_Set (GPIO_TypeDef * GPIO , char GPIO_Pin)
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{
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GPIO->ODR &= 0x1<<GPIO_Pin;
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}
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void MyGPIO_Reset (GPIO_TypeDef * GPIO , char GPIO_Pin)
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{
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GPIO->ODR |= ~(0x1<<GPIO_Pin);
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}
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void MyGPIO_Toggle ( GPIO_TypeDef * GPIO , char GPIO_Pin )
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{
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if(MyGPIO_Read(GPIO, GPIO_Pin))
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{
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MyGPIO_Reset(GPIO, GPIO_Pin);
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}
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else
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{
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MyGPIO_Set(GPIO, GPIO_Pin);
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}
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}
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