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player/Project/Src/Drive/Source/touch_iic.c

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/***
***************************************************************************************
* @file touch_iic.c
* @version V1.0
* @date 2018-1-1
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* @author <EFBFBD><EFBFBD><EFBFBD>ͿƼ<EFBFBD>
* @brief <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>IIC<EFBFBD>ӿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>غ<EFBFBD><EFBFBD><EFBFBD>
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***************************************************************************************
* @description
*
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* ʵ<EFBFBD><EFBFBD>ƽ̨<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>STM32F429<EFBFBD><EFBFBD><EFBFBD>İ<EFBFBD> + 4.3<EFBFBD><EFBFBD>RGBҺ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>(<EFBFBD><EFBFBD>Ļ<EFBFBD>ͺ<EFBFBD>RGB043M1)
* <EFBFBD>Ա<EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD>https://shop212360197.taobao.com
* QQ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ⱥ<EFBFBD><EFBFBD>536665479
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*
*
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>>>>> <EFBFBD>ļ<EFBFBD>˵<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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*
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* 1.<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ص<EFBFBD>IIC<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* 2.ʹ<EFBFBD><EFBFBD>ģ<EFBFBD><EFBFBD>IIC
* 3.ͨ<EFBFBD><EFBFBD><EFBFBD>ٶ<EFBFBD>Ĭ<EFBFBD><EFBFBD>Ϊ100KHz
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*
***************************************************************************************
***/
#include "touch_iic.h"
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#include "rthw.h"
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/*****************************************************************************************
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* <EFBFBD><EFBFBD> <EFBFBD><EFBFBD> <EFBFBD><EFBFBD>: Touch_IIC_GPIO_Config
* <EFBFBD><EFBFBD><EFBFBD>ڲ<EFBFBD><EFBFBD><EFBFBD>: <EFBFBD><EFBFBD>
* <EFBFBD><EFBFBD> <EFBFBD><EFBFBD> ֵ: <EFBFBD><EFBFBD>
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: <EFBFBD><EFBFBD>ʼ<EFBFBD><EFBFBD>IIC<EFBFBD><EFBFBD>GPIO<EFBFBD><EFBFBD>,<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* ˵ <EFBFBD><EFBFBD>: <EFBFBD><EFBFBD><EFBFBD><EFBFBD>IICͨ<EFBFBD><EFBFBD><EFBFBD>ٶȲ<EFBFBD><EFBFBD>ߣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>IO<EFBFBD><EFBFBD><EFBFBD>ٶ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ2M<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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******************************************************************************************/
void Touch_IIC_GPIO_Config (void)
{
GPIO_InitTypeDef GPIO_InitStructure;
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RCC_AHB1PeriphClockCmd(Touch_IIC_SCL_CLK | Touch_IIC_SDA_CLK | Touch_INT_CLK | Touch_RST_CLK , ENABLE); //<2F><>ʼ<EFBFBD><CABC>IO<49><4F>ʱ<EFBFBD><CAB1>
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT; // <20><><EFBFBD><EFBFBD>ģʽ
GPIO_InitStructure.GPIO_OType = GPIO_OType_OD; // <20><>©<EFBFBD><C2A9><EFBFBD><EFBFBD>
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL; // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_2MHz; // <20>ٶȵȼ<C8B5>2M
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GPIO_InitStructure.GPIO_Pin = Touch_IIC_SCL_PIN; // SCL
GPIO_Init(Touch_IIC_SCL_PORT, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = Touch_IIC_SDA_PIN; // SDA
GPIO_Init(Touch_IIC_SDA_PORT, &GPIO_InitStructure);
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GPIO_InitStructure.GPIO_OType = GPIO_OType_PP; // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP; // <20><><EFBFBD><EFBFBD>
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GPIO_InitStructure.GPIO_Pin = Touch_INT_PIN; // INT
GPIO_Init(Touch_INT_PORT, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = Touch_RST_PIN; // RST
GPIO_Init(Touch_RST_PORT, &GPIO_InitStructure);
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GPIO_SetBits(Touch_IIC_SCL_PORT,Touch_IIC_SCL_PIN); // SCL<43><4C><EFBFBD><EFBFBD><EFBFBD>ߵ<EFBFBD>ƽ
GPIO_SetBits(Touch_IIC_SDA_PORT,Touch_IIC_SDA_PIN); // SDA<44><41><EFBFBD><EFBFBD><EFBFBD>ߵ<EFBFBD>ƽ
GPIO_ResetBits(Touch_INT_PORT,Touch_INT_PIN); // INT<4E><54><EFBFBD><EFBFBD><EFBFBD>͵<EFBFBD>ƽ
GPIO_SetBits(Touch_RST_PORT,Touch_RST_PIN); // RST<53><54><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <09><>ƽ
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}
/*****************************************************************************************
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* <EFBFBD><EFBFBD> <EFBFBD><EFBFBD> <EFBFBD><EFBFBD>: Touch_IIC_Delay
* <EFBFBD><EFBFBD><EFBFBD>ڲ<EFBFBD><EFBFBD><EFBFBD>: a - <EFBFBD><EFBFBD>ʱʱ<EFBFBD><EFBFBD>
* <EFBFBD><EFBFBD> <EFBFBD><EFBFBD> ֵ: <EFBFBD><EFBFBD>
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* ˵ <EFBFBD><EFBFBD>: Ϊ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֲ<EFBFBD>ļ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҷ<EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD>󲻸ߣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Բ<EFBFBD><EFBFBD><EFBFBD>Ҫʹ<EFBFBD>ö<EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ
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******************************************************************************************/
void Touch_IIC_Delay(u32 a)
{
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rt_hw_us_delay(a);
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}
/*****************************************************************************************
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* <EFBFBD><EFBFBD> <EFBFBD><EFBFBD> <EFBFBD><EFBFBD>: Touch_IIC_INT_Out
* <EFBFBD><EFBFBD><EFBFBD>ڲ<EFBFBD><EFBFBD><EFBFBD>: <EFBFBD><EFBFBD>
* <EFBFBD><EFBFBD> <EFBFBD><EFBFBD> ֵ: <EFBFBD><EFBFBD>
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: <EFBFBD><EFBFBD><EFBFBD><EFBFBD>IIC<EFBFBD><EFBFBD>INT<EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ģʽ
* ˵ <EFBFBD><EFBFBD>: <EFBFBD><EFBFBD>
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******************************************************************************************/
void Touch_INT_Out(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT; // <20><><EFBFBD><EFBFBD>ģʽ
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP; // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP; // <20><><EFBFBD><EFBFBD>
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_2MHz; // <20>ٶȵȼ<C8B5>2M
GPIO_InitStructure.GPIO_Pin = Touch_INT_PIN ; // <20><>ʼ<EFBFBD><CABC> INT <20><><EFBFBD><EFBFBD>
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GPIO_Init(Touch_INT_PORT, &GPIO_InitStructure);
}
/*****************************************************************************************
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* <EFBFBD><EFBFBD> <EFBFBD><EFBFBD> <EFBFBD><EFBFBD>: Touch_IIC_INT_In
* <EFBFBD><EFBFBD><EFBFBD>ڲ<EFBFBD><EFBFBD><EFBFBD>: <EFBFBD><EFBFBD>
* <EFBFBD><EFBFBD> <EFBFBD><EFBFBD> ֵ: <EFBFBD><EFBFBD>
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: <EFBFBD><EFBFBD><EFBFBD><EFBFBD>IIC<EFBFBD><EFBFBD>INT<EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ģʽ
* ˵ <EFBFBD><EFBFBD>: <EFBFBD><EFBFBD>
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******************************************************************************************/
void Touch_INT_In(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN; // <09><><EFBFBD><EFBFBD>ģʽ
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL; // <09><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_2MHz; // <09>ٶȵȼ<C8B5>2M
GPIO_InitStructure.GPIO_Pin = Touch_INT_PIN ; // <09><>ʼ<EFBFBD><CABC> INT <20><><EFBFBD><EFBFBD>
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GPIO_Init(Touch_INT_PORT, &GPIO_InitStructure);
}
/*****************************************************************************************
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* <EFBFBD><EFBFBD> <EFBFBD><EFBFBD> <EFBFBD><EFBFBD>: Touch_IIC_Start
* <EFBFBD><EFBFBD><EFBFBD>ڲ<EFBFBD><EFBFBD><EFBFBD>: <EFBFBD><EFBFBD>
* <EFBFBD><EFBFBD> <EFBFBD><EFBFBD> ֵ: <EFBFBD><EFBFBD>
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: IIC<EFBFBD><EFBFBD>ʼ<EFBFBD>ź<EFBFBD>
* ˵ <EFBFBD><EFBFBD>: <EFBFBD><EFBFBD>SCL<EFBFBD><EFBFBD><EFBFBD>ڸߵ<EFBFBD>ƽ<EFBFBD>ڼ䣬SDA<EFBFBD>ɸߵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD>ʼ<EFBFBD>ź<EFBFBD>
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******************************************************************************************/
void Touch_IIC_Start(void)
{
Touch_IIC_SDA(1);
Touch_IIC_SCL(1);
Touch_IIC_Delay(IIC_DelayVaule);
Touch_IIC_SDA(0);
Touch_IIC_Delay(IIC_DelayVaule);
Touch_IIC_SCL(0);
Touch_IIC_Delay(IIC_DelayVaule);
}
/*****************************************************************************************
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* <EFBFBD><EFBFBD> <EFBFBD><EFBFBD> <EFBFBD><EFBFBD>: Touch_IIC_Stop
* <EFBFBD><EFBFBD><EFBFBD>ڲ<EFBFBD><EFBFBD><EFBFBD>: <EFBFBD><EFBFBD>
* <EFBFBD><EFBFBD> <EFBFBD><EFBFBD> ֵ: <EFBFBD><EFBFBD>
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: IICֹͣ<EFBFBD>ź<EFBFBD>
* ˵ <EFBFBD><EFBFBD>: <EFBFBD><EFBFBD>SCL<EFBFBD><EFBFBD><EFBFBD>ڸߵ<EFBFBD>ƽ<EFBFBD>ڼ䣬SDA<EFBFBD>ɵ͵<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD>ʼ<EFBFBD>ź<EFBFBD>
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******************************************************************************************/
void Touch_IIC_Stop(void)
{
Touch_IIC_SCL(0);
Touch_IIC_Delay(IIC_DelayVaule);
Touch_IIC_SDA(0);
Touch_IIC_Delay(IIC_DelayVaule);
Touch_IIC_SCL(1);
Touch_IIC_Delay(IIC_DelayVaule);
Touch_IIC_SDA(1);
Touch_IIC_Delay(IIC_DelayVaule);
}
/*****************************************************************************************
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* <EFBFBD><EFBFBD> <EFBFBD><EFBFBD> <EFBFBD><EFBFBD>: Touch_IIC_ACK
* <EFBFBD><EFBFBD><EFBFBD>ڲ<EFBFBD><EFBFBD><EFBFBD>: <EFBFBD><EFBFBD>
* <EFBFBD><EFBFBD> <EFBFBD><EFBFBD> ֵ: <EFBFBD><EFBFBD>
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: IICӦ<EFBFBD><EFBFBD><EFBFBD>ź<EFBFBD>
* ˵ <EFBFBD><EFBFBD>: <EFBFBD><EFBFBD>SCLΪ<EFBFBD>ߵ<EFBFBD>ƽ<EFBFBD>ڼ䣬SDA<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD>͵<EFBFBD>ƽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD><EFBFBD><EFBFBD>ź<EFBFBD>
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******************************************************************************************/
void Touch_IIC_ACK(void)
{
Touch_IIC_SCL(0);
Touch_IIC_Delay(IIC_DelayVaule);
Touch_IIC_SDA(0);
Touch_IIC_Delay(IIC_DelayVaule);
Touch_IIC_SCL(1);
Touch_IIC_Delay(IIC_DelayVaule);
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Touch_IIC_SCL(0); // SCL<43><4C><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1>SDAӦ<41><D3A6><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ߣ<EFBFBD><DFA3>ͷ<EFBFBD><CDB7><EFBFBD><EFBFBD><EFBFBD>
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Touch_IIC_SDA(1);
Touch_IIC_Delay(IIC_DelayVaule);
}
/*****************************************************************************************
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* <EFBFBD><EFBFBD> <EFBFBD><EFBFBD> <EFBFBD><EFBFBD>: Touch_IIC_NoACK
* <EFBFBD><EFBFBD><EFBFBD>ڲ<EFBFBD><EFBFBD><EFBFBD>: <EFBFBD><EFBFBD>
* <EFBFBD><EFBFBD> <EFBFBD><EFBFBD> ֵ: <EFBFBD><EFBFBD>
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: IIC<EFBFBD><EFBFBD>Ӧ<EFBFBD><EFBFBD><EFBFBD>ź<EFBFBD>
* ˵ <EFBFBD><EFBFBD>: <EFBFBD><EFBFBD>SCLΪ<EFBFBD>ߵ<EFBFBD>ƽ<EFBFBD>ڼ䣬<EFBFBD><EFBFBD>SDA<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD>ߵ<EFBFBD>ƽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD><EFBFBD><EFBFBD>ź<EFBFBD>
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******************************************************************************************/
void Touch_IIC_NoACK(void)
{
Touch_IIC_SCL(0);
Touch_IIC_Delay(IIC_DelayVaule);
Touch_IIC_SDA(1);
Touch_IIC_Delay(IIC_DelayVaule);
Touch_IIC_SCL(1);
Touch_IIC_Delay(IIC_DelayVaule);
Touch_IIC_SCL(0);
Touch_IIC_Delay(IIC_DelayVaule);
}
/*****************************************************************************************
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* <EFBFBD><EFBFBD> <EFBFBD><EFBFBD> <EFBFBD><EFBFBD>: Touch_IIC_WaitACK
* <EFBFBD><EFBFBD><EFBFBD>ڲ<EFBFBD><EFBFBD><EFBFBD>: <EFBFBD><EFBFBD>
* <EFBFBD><EFBFBD> <EFBFBD><EFBFBD> ֵ: <EFBFBD><EFBFBD>
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: <EFBFBD>ȴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>豸<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD><EFBFBD><EFBFBD>ź<EFBFBD>
* ˵ <EFBFBD><EFBFBD>: <EFBFBD><EFBFBD>SCLΪ<EFBFBD>ߵ<EFBFBD>ƽ<EFBFBD>ڼ䣬<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>⵽SDA<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD>͵<EFBFBD>ƽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>豸<EFBFBD><EFBFBD>Ӧ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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******************************************************************************************/
u8 Touch_IIC_WaitACK(void)
{
Touch_IIC_SDA(1);
Touch_IIC_Delay(IIC_DelayVaule);
Touch_IIC_SCL(1);
Touch_IIC_Delay(IIC_DelayVaule);
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if( GPIO_ReadInputDataBit(Touch_IIC_SDA_PORT,Touch_IIC_SDA_PIN) != 0) //<2F>ж<EFBFBD><D0B6>豸<EFBFBD>Ƿ<EFBFBD><C7B7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧ
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{
Touch_IIC_SCL(0);
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return ACK_ERR; //<2F><>Ӧ<EFBFBD><D3A6>
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}
else
{
Touch_IIC_SCL(0);
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return ACK_OK; //Ӧ<><D3A6><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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}
}
/*****************************************************************************************
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* <EFBFBD><EFBFBD> <EFBFBD><EFBFBD> <EFBFBD><EFBFBD>: Touch_IIC_WriteByte
* <EFBFBD><EFBFBD><EFBFBD>ڲ<EFBFBD><EFBFBD><EFBFBD>: IIC_Data - Ҫд<EFBFBD><EFBFBD><EFBFBD><EFBFBD>8λ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* <EFBFBD><EFBFBD> <EFBFBD><EFBFBD> ֵ: ACK_OK - <EFBFBD>豸<EFBFBD><EFBFBD>Ӧ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* ACK_ERR - <EFBFBD>豸<EFBFBD><EFBFBD>Ӧ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: дһ<EFBFBD>ֽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* ˵ <EFBFBD><EFBFBD>:<EFBFBD><EFBFBD>λ<EFBFBD><EFBFBD>ǰ
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******************************************************************************************/
u8 Touch_IIC_WriteByte(u8 IIC_Data)
{
u8 i;
for (i = 0; i < 8; i++)
{
Touch_IIC_SDA(IIC_Data & 0x80);
Touch_IIC_Delay( IIC_DelayVaule );
Touch_IIC_SCL(1);
Touch_IIC_Delay( IIC_DelayVaule );
Touch_IIC_SCL(0);
if(i == 7)
{
Touch_IIC_SDA(1);
}
IIC_Data <<= 1;
}
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return Touch_IIC_WaitACK(); //<2F>ȴ<EFBFBD><C8B4>豸<EFBFBD><E8B1B8>Ӧ
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}
/*****************************************************************************************
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* <EFBFBD><EFBFBD> <EFBFBD><EFBFBD> <EFBFBD><EFBFBD>: Touch_IIC_ReadByte
* <EFBFBD><EFBFBD><EFBFBD>ڲ<EFBFBD><EFBFBD><EFBFBD>: ACK_Mode - <EFBFBD><EFBFBD>Ӧģʽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>1<EFBFBD>򷢳<EFBFBD>Ӧ<EFBFBD><EFBFBD><EFBFBD>źţ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>0<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD><EFBFBD><EFBFBD>ź<EFBFBD>
* <EFBFBD><EFBFBD> <EFBFBD><EFBFBD> ֵ: ACK_OK - <EFBFBD>豸<EFBFBD><EFBFBD>Ӧ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* ACK_ERR - <EFBFBD>豸<EFBFBD><EFBFBD>Ӧ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>:<EFBFBD><EFBFBD>һ<EFBFBD>ֽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* ˵ <EFBFBD><EFBFBD>:1.<EFBFBD><EFBFBD>λ<EFBFBD><EFBFBD>ǰ
* 2.Ӧ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD>ֽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD>ͷ<EFBFBD>Ӧ<EFBFBD><EFBFBD><EFBFBD>ź<EFBFBD>
初始提交
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******************************************************************************************/
u8 Touch_IIC_ReadByte(u8 ACK_Mode)
{
u8 IIC_Data = 0;
u8 i = 0;
for (i = 0; i < 8; i++)
{
IIC_Data <<= 1;
Touch_IIC_SCL(1);
Touch_IIC_Delay( IIC_DelayVaule );
IIC_Data |= (GPIO_ReadInputDataBit(Touch_IIC_SDA_PORT,Touch_IIC_SDA_PIN) & 0x01);
Touch_IIC_SCL(0);
Touch_IIC_Delay( IIC_DelayVaule );
}
ת»»Ϊgb2312±àÂë
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if ( ACK_Mode == 1 ) // Ӧ<><D3A6><EFBFBD>ź<EFBFBD>
初始提交
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Touch_IIC_ACK();
else
ת»»Ϊgb2312±àÂë
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Touch_IIC_NoACK(); // <20><>Ӧ<EFBFBD><D3A6><EFBFBD>ź<EFBFBD>
初始提交
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return IIC_Data;
}
/********************************************************************************************/
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