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rt-thread-official/bsp/essemi/es8p508x/libraries/Library/Source/lib_iic.c

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[bsp]add bsp essemi/es8p508x.
2019-11-07 10:00:14 +08:00
/***************************************************************
*Copyright (C), 2017, Shanghai Eastsoft Microelectronics Co., Ltd
*<EFBFBD>ļ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> lib_iic.c
*<EFBFBD><EFBFBD> <EFBFBD>ߣ<EFBFBD> Liut
*<EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD> V1.00
*<EFBFBD><EFBFBD> <EFBFBD>ڣ<EFBFBD> 2017/07/14
*<EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD> IICģ<EFBFBD><EFBFBD><EFBFBD>⺯<EFBFBD><EFBFBD>
*<EFBFBD><EFBFBD> ע<EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> ES8P508xоƬ
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѧϰ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʾʹ<EFBFBD>ã<EFBFBD><EFBFBD><EFBFBD><EFBFBD>û<EFBFBD>ֱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ô<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ķ<EFBFBD><EFBFBD>ջ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>е<EFBFBD><EFBFBD>κη<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ρ<EFBFBD>
***************************************************************/
#include "lib_iic.h"
/***************************************************************
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>I2C_Init
<EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD>I2C<EFBFBD><EFBFBD>ʼ<EFBFBD><EFBFBD>
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD>I2C_InitStruct<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ýṹ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
***************************************************************/
void I2C_Init(I2C_InitStruType* I2C_InitStruct)
{
uint32_t temp;
if(I2C_InitStruct->I2C_Mode == I2C_Mode_Master)
{
if(I2C_InitStruct->I2C_16XSamp != DISABLE)
temp = SystemCoreClock/24/I2C_InitStruct->I2C_Clk - 1;
else
temp = SystemCoreClock/16/I2C_InitStruct->I2C_Clk - 1;
if(temp > 254)
temp = 255;
I2C0->CON.TJP = temp; //<2F><><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
I2C0->CON.TJE = 0x1; //ʹ<><CAB9>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1>
}
I2C0->CON.SDASE = I2C_InitStruct->I2C_16XSamp; //16<31><36><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
I2C0->CON.SCKSE = I2C_InitStruct->I2C_16XSamp;
I2C0->CON.SCKOD = I2C_InitStruct->I2C_SclOd; //<2F>˿ڿ<CBBF>©<EFBFBD><C2A9><EFBFBD><EFBFBD>
I2C0->CON.SDAOD = I2C_InitStruct->I2C_SdaOd;
I2C0->MOD.MS = I2C_InitStruct->I2C_Mode; //<2F><><EFBFBD><EFBFBD>ģʽ<C4A3><CABD><EFBFBD><EFBFBD>
I2C0->MOD.SPAE = I2C_InitStruct->I2C_AutoStop; //<2F>Զ<EFBFBD>ֹͣ<CDA3><D6B9><EFBFBD><EFBFBD>
I2C0->MOD.SRAE = I2C_InitStruct->I2C_AutoCall; //<2F>Զ<EFBFBD>Ѱ<EFBFBD><D1B0><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
}
/***************************************************************
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>I2C_ITConfig
<EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD>I2C<EFBFBD>ж<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD>I2C_IT<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD><EFBFBD><EFBFBD>õ<EFBFBD><EFBFBD>ж<EFBFBD> <EFBFBD><EFBFBD> NewState<EFBFBD><EFBFBD>ʹ<EFBFBD>ܻ<EFBFBD><EFBFBD>ر<EFBFBD>
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
***************************************************************/
void I2C_ITConfig(I2C_TYPE_IT I2C_IT,TYPE_FUNCEN NewState)
{
if (NewState != DISABLE)
I2C0->IE.Word |= (uint32_t)I2C_IT;
else
I2C0->IE.Word &= ~((uint32_t)I2C_IT);
}
/***************************************************************
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>I2C_SendAddress
<EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD>I2C<EFBFBD><EFBFBD><EFBFBD>ʹӻ<EFBFBD><EFBFBD><EFBFBD>ַ
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD>I2C_Address<EFBFBD><EFBFBD>7λ<EFBFBD>ӻ<EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 0x00~0xfe <EFBFBD><EFBFBD> Mode<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>д
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
***************************************************************/
void I2C_SendAddress(uint8_t I2C_Address,I2C_TYPE_RWMODE Mode)
{
I2C0->CON.SA = I2C_Address>>1;
I2C0->CON.RW = Mode;
}
/***************************************************************
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>I2C_SetAddress
<EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD>I2C<EFBFBD><EFBFBD><EFBFBD>õ<EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڴӻ<EFBFBD>ģʽ<EFBFBD><EFBFBD>
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD>I2C_Address<EFBFBD><EFBFBD>7λ<EFBFBD>ӻ<EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 0x00~0xfe
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
***************************************************************/
void I2C_SetAddress(uint8_t I2C_Address)
{
I2C0->CON.SA = I2C_Address>>1;
}
/***************************************************************
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>I2C_RecModeConfig
<EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD>I2C<EFBFBD><EFBFBD><EFBFBD>ý<EFBFBD><EFBFBD><EFBFBD>ģʽ
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD>RecType<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ģʽ
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
***************************************************************/
void I2C_RecModeConfig(I2C_TYPE_RECMODE RecType)
{
I2C0->MOD.RDM = RecType;
}
/***************************************************************
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>I2C_TBIMConfig
<EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD>I2C<EFBFBD><EFBFBD><EFBFBD>ͻ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD>ģʽѡ<EFBFBD><EFBFBD>
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD>Type<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD>ģʽ
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
***************************************************************/
void I2C_TBIMConfig(I2C_TYPE_TRBIM Type)
{
I2C0->IE.TBIM = Type;
}
/***************************************************************
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>I2C_RBIMConfig
<EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD>I2C<EFBFBD><EFBFBD><EFBFBD>ջ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD>ģʽѡ<EFBFBD><EFBFBD>
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD>Type<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD>ģʽ
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
***************************************************************/
void I2C_RBIMConfig(I2C_TYPE_TRBIM Type)
{
I2C0->IE.RBIM = Type;
}
/***************************************************************
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>I2C_AckDelay
<EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD>I2CӦ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD>Type<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱʱ<EFBFBD><EFBFBD> <EFBFBD><EFBFBD> NewStatus<EFBFBD><EFBFBD>ʹ<EFBFBD>ܡ<EFBFBD>ʧ<EFBFBD><EFBFBD>
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
***************************************************************/
void I2C_AckDelay(I2C_TYPE_ADLY Type,TYPE_FUNCEN NewStatus)
{
I2C0->MOD.ADLY = Type;
I2C0->MOD.ADE = NewStatus;
}
/***************************************************************
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>I2C_TISConfig
<EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD>I2C<EFBFBD><EFBFBD><EFBFBD><EFBFBD>֡<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD>Time<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
***************************************************************/
void I2C_TISConfig(I2C_TYPE_TIS Time)
{
I2C0->MOD.TIS = Time;
}
/***************************************************************
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>I2C_SendByte
<EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD>I2C<EFBFBD>ֽڷ<EFBFBD><EFBFBD><EFBFBD>
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD>Byte<EFBFBD><EFBFBD><EFBFBD>ֽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
***************************************************************/
void I2C_SendByte(uint8_t Byte)
{
I2C0->TBW.Byte[0] = Byte;
}
/***************************************************************
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>I2C_SendHalfWord
<EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD>I2C<EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD>
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD>HalfWord<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
***************************************************************/
void I2C_SendHalfWord(uint16_t HalfWord)
{
I2C0->TBW.HalfWord[0] = HalfWord;
}
/***************************************************************
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>I2C_SendWord
<EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD>I2C<EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD>
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD>Word<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
***************************************************************/
void I2C_SendWord(uint32_t Word)
{
I2C0->TBW.Word = Word;
}
/***************************************************************
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>I2C_RecByte
<EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD>I2C<EFBFBD><EFBFBD><EFBFBD><EFBFBD>-<EFBFBD>ֽ<EFBFBD>
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>յ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
***************************************************************/
uint8_t I2C_RecByte(void)
{
return I2C0->RBR.Byte[0] ;
}
/***************************************************************
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>I2C_RecHalfWord
<EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD>I2C<EFBFBD><EFBFBD><EFBFBD><EFBFBD>-<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>յ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
***************************************************************/
uint16_t I2C_RecHalfWord(void)
{
return I2C0->RBR.HalfWord[0];
}
/***************************************************************
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>I2C_RecWord
<EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD>I2C<EFBFBD><EFBFBD><EFBFBD><EFBFBD>-<EFBFBD><EFBFBD>
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>յ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
***************************************************************/
uint32_t I2C_RecWord(void)
{
return I2C0->RBR.Word ;
}
/***************************************************************
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>I2C_GetRWMode
<EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD>I2C<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>д״̬<EFBFBD><EFBFBD>ȡ
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>/д
***************************************************************/
I2C_TYPE_RWMODE I2C_GetRWMode(void)
{
I2C_TYPE_RWMODE Status = I2C_Mode_Write;
if(I2C0->CON.RW != 0)
Status = I2C_Mode_Read;
else
Status = I2C_Mode_Write;
return Status;
}
/***************************************************************
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>I2C_GetTBStatus
<EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD>I2C<EFBFBD><EFBFBD>ȡ<EFBFBD><EFBFBD><EFBFBD>ͻ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ĵ<EFBFBD><EFBFBD><EFBFBD>״̬,TB0-TB3ȫ<EFBFBD><EFBFBD><EFBFBD>򷵻<EFBFBD>SET,<EFBFBD><EFBFBD><EFBFBD>򷵻<EFBFBD>RESET
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD>SET/RESET
***************************************************************/
FlagStatus I2C_GetTBStatus(void)
{
FlagStatus bitstatus = RESET;
if((I2C0->STA.Word&(uint32_t)0x0f00) != (uint32_t)0x0f00)
bitstatus = RESET;
else
bitstatus = SET;
return bitstatus;
}
/***************************************************************
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>I2C_GetFlagStatus
<EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD>I2C<EFBFBD><EFBFBD>ȡ<EFBFBD><EFBFBD>־λ״̬
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD>I2C_Flag<EFBFBD><EFBFBD>ѡ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD>ı<EFBFBD>־λ
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD>SET/RESET
***************************************************************/
FlagStatus I2C_GetFlagStatus(I2C_TYPE_FLAG I2C_Flag)
{
FlagStatus bitstatus = RESET;
if ((I2C0->IF.Word & (uint32_t)I2C_Flag) != RESET)
bitstatus = SET;
else
bitstatus = RESET;
return bitstatus;
}
/*************************************
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>I2C_GetITStatus
<EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȡ<EFBFBD>ж<EFBFBD>ʹ<EFBFBD><EFBFBD>״̬
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD>I2C_Flag <EFBFBD>ж<EFBFBD>ʹ<EFBFBD><EFBFBD>λ
<EFBFBD>ж<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD>SET/RESET
**************************************/
FlagStatus I2C_GetITStatus( I2C_TYPE_IT I2C_Flag)
{
FlagStatus status = RESET;
if ((I2C0->IE.Word & (uint32_t)I2C_Flag) == RESET)
return status;
if ((I2C0->IF.Word & (uint32_t)I2C_Flag) != RESET)
status = SET;
return status;
}
/***************************************************************
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>I2C_ClearITPendingBit
<EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD>I2C<EFBFBD>жϱ<EFBFBD>־<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD>I2C_IT<EFBFBD><EFBFBD><EFBFBD><EFBFBD>־λ
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
***************************************************************/
void I2C_ClearITPendingBit(I2C_CLR_IF I2C_IT)
{
I2C0->IF.Word = (uint32_t)I2C_IT;
}
/*************************END OF FILE**********************/