26 lines
889 B
C
26 lines
889 B
C
/*
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* Software_I2C.h
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*
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* Created on: 25 Jul 2020
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* Author: Ralim
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*/
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#ifndef BSP_MINIWARE_SOFTWARE_I2C_H_
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#define BSP_MINIWARE_SOFTWARE_I2C_H_
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#include "Model_Config.h"
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#include "BSP.h"
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#include "stm32f1xx_hal.h"
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#ifdef I2C_SOFT
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#define SOFT_SCL_HIGH() HAL_GPIO_WritePin(SCL2_GPIO_Port, SCL2_Pin, GPIO_PIN_SET)
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#define SOFT_SCL_LOW() HAL_GPIO_WritePin(SCL2_GPIO_Port, SCL2_Pin, GPIO_PIN_RESET)
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#define SOFT_SDA_HIGH() HAL_GPIO_WritePin(SDA2_GPIO_Port, SDA2_Pin, GPIO_PIN_SET)
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#define SOFT_SDA_LOW() HAL_GPIO_WritePin(SDA2_GPIO_Port, SDA2_Pin, GPIO_PIN_RESET)
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#define SOFT_SDA_READ() (HAL_GPIO_ReadPin(SDA2_GPIO_Port,SDA2_Pin)==GPIO_PIN_SET?1:0)
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#define SOFT_SCL_READ() (HAL_GPIO_ReadPin(SCL2_GPIO_Port,SCL2_Pin)==GPIO_PIN_SET?1:0)
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#define SOFT_I2C_DELAY() {for(int xx=0;xx<40;xx++){asm("nop");}}
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#endif
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#endif /* BSP_MINIWARE_SOFTWARE_I2C_H_ */
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