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STM32H750XB_RT-THREAD/I2C—AP3216C（光照三合一）/4.AP3216C全功能例程_(模拟I2C)/User/i2c/bsp_i2c.c

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STM32H750 RTThread 例程
2025-07-21 06:34:29 +00:00
/**
******************************************************************************
* @file bsp_i2c.c
* @author fire
* @version V1.0
* @date 2019-xx-xx
* @brief I2C <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD>
******************************************************************************
* @attention
*
* ʵ<EFBFBD><EFBFBD>ƽ̨:Ұ<EFBFBD><EFBFBD> STM32 H750 <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* <EFBFBD><EFBFBD>̳ :http://www.firebbs.cn
* <EFBFBD>Ա<EFBFBD> :http://firestm32.taobao.com
*
******************************************************************************
*/
#include "./i2c/bsp_i2c.h"
#include "./usart/bsp_debug_usart.h"
/**
* @brief I2C I/O<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* @param <EFBFBD><EFBFBD>
* @retval <EFBFBD><EFBFBD>
*/
static void I2C_GPIO_Config(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
/*ʹ<><CAB9><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1>*/
AP3216C_I2C_SCL_GPIO_CLK_ENABLE();
AP3216C_I2C_SDA_GPIO_CLK_ENABLE();
/*<2A><><EFBFBD><EFBFBD>SCL<43><4C><EFBFBD><EFBFBD> */
GPIO_InitStructure.Pin = AP3216C_I2C_SCL_PIN;
GPIO_InitStructure.Mode = GPIO_MODE_OUTPUT_OD;
GPIO_InitStructure.Speed = GPIO_SPEED_FREQ_HIGH;
GPIO_InitStructure.Pull = GPIO_NOPULL;
HAL_GPIO_Init(AP3216C_I2C_SCL_GPIO_PORT, &GPIO_InitStructure);
/*<2A><><EFBFBD><EFBFBD>SDA<44><41><EFBFBD><EFBFBD> */
GPIO_InitStructure.Pin = AP3216C_I2C_SDA_PIN;
HAL_GPIO_Init(AP3216C_I2C_SCL_GPIO_PORT, &GPIO_InitStructure);
}
/**
* @brief I2C <EFBFBD><EFBFBD><EFBFBD><EFBFBD>(GT91xx)<EFBFBD><EFBFBD>ʼ<EFBFBD><EFBFBD>
* @param <EFBFBD><EFBFBD>
* @retval <EFBFBD><EFBFBD>
*/
void I2C_Init(void)
{
I2C_GPIO_Config();
}
/*
*********************************************************************************************************
* <EFBFBD><EFBFBD> <EFBFBD><EFBFBD> <EFBFBD><EFBFBD>: i2c_Delay
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD>˵<EFBFBD><EFBFBD>: I2C<EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ<EFBFBD>ӳ٣<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>400KHz
* <EFBFBD><EFBFBD> <EFBFBD>Σ<EFBFBD><EFBFBD><EFBFBD>
* <EFBFBD><EFBFBD> <EFBFBD><EFBFBD> ֵ: <EFBFBD><EFBFBD>
*********************************************************************************************************
*/
static void i2c_Delay(void)
{
uint16_t i;
/*<2A><>
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͨ<EFBFBD><EFBFBD><EFBFBD>߼<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Dz<EFBFBD><EFBFBD>Եõ<EFBFBD><EFBFBD>ġ<EFBFBD>
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>CPU<EFBFBD><EFBFBD>Ƶ216MHz <EFBFBD><EFBFBD>MDK<EFBFBD><EFBFBD><EFBFBD>뻷<EFBFBD><EFBFBD><EFBFBD><EFBFBD>1<EFBFBD><EFBFBD><EFBFBD>Ż<EFBFBD>
ѭ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ200ʱ<EFBFBD><EFBFBD>SCLƵ<EFBFBD><EFBFBD> = 100KHz
ѭ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ30ʱ<EFBFBD><EFBFBD>SCLƵ<EFBFBD><EFBFBD> = 400KHz
*/
for (i = 0; i < 200; i++);
}
/*
*********************************************************************************************************
* <EFBFBD><EFBFBD> <EFBFBD><EFBFBD> <EFBFBD><EFBFBD>: i2c_Start
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD>˵<EFBFBD><EFBFBD>: CPU<EFBFBD><EFBFBD><EFBFBD><EFBFBD>I2C<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ź<EFBFBD>
* <EFBFBD><EFBFBD> <EFBFBD>Σ<EFBFBD><EFBFBD><EFBFBD>
* <EFBFBD><EFBFBD> <EFBFBD><EFBFBD> ֵ: <EFBFBD><EFBFBD>
*********************************************************************************************************
*/
void i2c_Start(void)
{
/* <20><>SCL<43>ߵ<EFBFBD>ƽʱ<C6BD><CAB1>SDA<44><41><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ر<EFBFBD>ʾI2C<32><43><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ź<EFBFBD> */
I2C_SDA_1();
I2C_SCL_1();
i2c_Delay();
I2C_SDA_0();
i2c_Delay();
I2C_SCL_0();
i2c_Delay();
}
/*
*********************************************************************************************************
* <EFBFBD><EFBFBD> <EFBFBD><EFBFBD> <EFBFBD><EFBFBD>: i2c_Start
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD>˵<EFBFBD><EFBFBD>: CPU<EFBFBD><EFBFBD><EFBFBD><EFBFBD>I2C<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֹͣ<EFBFBD>ź<EFBFBD>
* <EFBFBD><EFBFBD> <EFBFBD>Σ<EFBFBD><EFBFBD><EFBFBD>
* <EFBFBD><EFBFBD> <EFBFBD><EFBFBD> ֵ: <EFBFBD><EFBFBD>
*********************************************************************************************************
*/
void i2c_Stop(void)
{
/* <20><>SCL<43>ߵ<EFBFBD>ƽʱ<C6BD><CAB1>SDA<44><41><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ر<EFBFBD>ʾI2C<32><43><EFBFBD><EFBFBD>ֹͣ<CDA3>ź<EFBFBD> */
I2C_SDA_0();
I2C_SCL_1();
i2c_Delay();
I2C_SDA_1();
}
/*
*********************************************************************************************************
* <EFBFBD><EFBFBD> <EFBFBD><EFBFBD> <EFBFBD><EFBFBD>: i2c_SendByte
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD>˵<EFBFBD><EFBFBD>: CPU<EFBFBD><EFBFBD>I2C<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>豸<EFBFBD><EFBFBD><EFBFBD><EFBFBD>8bit<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* <EFBFBD><EFBFBD> <EFBFBD>Σ<EFBFBD>_ucByte <EFBFBD><EFBFBD> <EFBFBD>ȴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>͵<EFBFBD><EFBFBD>ֽ<EFBFBD>
* <EFBFBD><EFBFBD> <EFBFBD><EFBFBD> ֵ: <EFBFBD><EFBFBD>
*********************************************************************************************************
*/
void i2c_SendByte(uint8_t _ucByte)
{
uint8_t i;
/* <20>ȷ<EFBFBD><C8B7><EFBFBD><EFBFBD>ֽڵĸ<DAB5>λbit7 */
for (i = 0; i < 8; i++)
{
if (_ucByte & 0x80)
{
I2C_SDA_1();
}
else
{
I2C_SDA_0();
}
i2c_Delay();
I2C_SCL_1();
i2c_Delay();
I2C_SCL_0();
if (i == 7)
{
I2C_SDA_1(); // <20>ͷ<EFBFBD><CDB7><EFBFBD><EFBFBD><EFBFBD>
}
_ucByte <<= 1; /* <20><><EFBFBD><EFBFBD>һ<EFBFBD><D2BB>bit */
i2c_Delay();
}
}
/*
*********************************************************************************************************
* <EFBFBD><EFBFBD> <EFBFBD><EFBFBD> <EFBFBD><EFBFBD>: i2c_ReadByte
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD>˵<EFBFBD><EFBFBD>: CPU<EFBFBD><EFBFBD>I2C<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>豸<EFBFBD><EFBFBD>ȡ8bit<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* <EFBFBD><EFBFBD> <EFBFBD>Σ<EFBFBD><EFBFBD><EFBFBD>
* <EFBFBD><EFBFBD> <EFBFBD><EFBFBD> ֵ: <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
*********************************************************************************************************
*/
uint8_t i2c_ReadByte(void)
{
uint8_t i;
uint8_t value;
/* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>1<EFBFBD><31>bitΪ<74><CEAA><EFBFBD>ݵ<EFBFBD>bit7 */
value = 0;
for (i = 0; i < 8; i++)
{
value <<= 1;
I2C_SCL_1();
i2c_Delay();
if (I2C_SDA_READ())
{
value++;
}
I2C_SCL_0();
i2c_Delay();
}
return value;
}
/*
*********************************************************************************************************
* <EFBFBD><EFBFBD> <EFBFBD><EFBFBD> <EFBFBD><EFBFBD>: i2c_WaitAck
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD>˵<EFBFBD><EFBFBD>: CPU<EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD>ʱ<EFBFBD>ӣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȡ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ACKӦ<EFBFBD><EFBFBD><EFBFBD>ź<EFBFBD>
* <EFBFBD><EFBFBD> <EFBFBD>Σ<EFBFBD><EFBFBD><EFBFBD>
* <EFBFBD><EFBFBD> <EFBFBD><EFBFBD> ֵ: <EFBFBD><EFBFBD><EFBFBD><EFBFBD>0<EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD>ȷӦ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>1<EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧ
*********************************************************************************************************
*/
uint8_t i2c_WaitAck(void)
{
uint8_t re;
I2C_SDA_1(); /* CPU<50>ͷ<EFBFBD>SDA<44><41><EFBFBD><EFBFBD> */
i2c_Delay();
I2C_SCL_1(); /* CPU<50><55><EFBFBD><EFBFBD>SCL = 1, <20><>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD>᷵<EFBFBD><E1B7B5>ACKӦ<4B><D3A6> */
i2c_Delay();
if (I2C_SDA_READ()) /* CPU<50><55>ȡSDA<44><41><EFBFBD><EFBFBD>״̬ */
{
re = 1;
}
else
{
re = 0;
}
I2C_SCL_0();
i2c_Delay();
return re;
}
/*
*********************************************************************************************************
* <EFBFBD><EFBFBD> <EFBFBD><EFBFBD> <EFBFBD><EFBFBD>: i2c_Ack
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD>˵<EFBFBD><EFBFBD>: CPU<EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD>ACK<EFBFBD>ź<EFBFBD>
* <EFBFBD><EFBFBD> <EFBFBD>Σ<EFBFBD><EFBFBD><EFBFBD>
* <EFBFBD><EFBFBD> <EFBFBD><EFBFBD> ֵ: <EFBFBD><EFBFBD>
*********************************************************************************************************
*/
void i2c_Ack(void)
{
I2C_SDA_0(); /* CPU<50><55><EFBFBD><EFBFBD>SDA = 0 */
i2c_Delay();
I2C_SCL_1(); /* CPU<50><55><EFBFBD><EFBFBD>1<EFBFBD><31>ʱ<EFBFBD><CAB1> */
i2c_Delay();
I2C_SCL_0();
i2c_Delay();
I2C_SDA_1(); /* CPU<50>ͷ<EFBFBD>SDA<44><41><EFBFBD><EFBFBD> */
}
/*
*********************************************************************************************************
* <EFBFBD><EFBFBD> <EFBFBD><EFBFBD> <EFBFBD><EFBFBD>: i2c_NAck
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD>˵<EFBFBD><EFBFBD>: CPU<EFBFBD><EFBFBD><EFBFBD><EFBFBD>1<EFBFBD><EFBFBD>NACK<EFBFBD>ź<EFBFBD>
* <EFBFBD><EFBFBD> <EFBFBD>Σ<EFBFBD><EFBFBD><EFBFBD>
* <EFBFBD><EFBFBD> <EFBFBD><EFBFBD> ֵ: <EFBFBD><EFBFBD>
*********************************************************************************************************
*/
void i2c_NAck(void)
{
I2C_SDA_1(); /* CPU<50><55><EFBFBD><EFBFBD>SDA = 1 */
i2c_Delay();
I2C_SCL_1(); /* CPU<50><55><EFBFBD><EFBFBD>1<EFBFBD><31>ʱ<EFBFBD><CAB1> */
i2c_Delay();
I2C_SCL_0();
i2c_Delay();
}
#define I2C_DIR_WR 0 /* д<><D0B4><EFBFBD><EFBFBD>bit */
#define I2C_DIR_RD 1 /* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>bit */
/**
* @brief ʹ<EFBFBD><EFBFBD>IIC<EFBFBD><EFBFBD>ȡ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* @param
* @arg ClientAddr:<EFBFBD><EFBFBD><EFBFBD>豸<EFBFBD><EFBFBD>ַ
* @arg pBuffer:<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɴӻ<EFBFBD><EFBFBD><EFBFBD>ȡ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݵĻ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD>
* @arg NumByteToRead:<EFBFBD><EFBFBD>ȡ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݳ<EFBFBD><EFBFBD><EFBFBD>
* @retval <EFBFBD><EFBFBD>
*/
uint32_t I2C_ReadBytes(uint8_t ClientAddr,uint8_t* pBuffer, uint16_t NumByteToRead)
{
/* <20><>1<EFBFBD><31><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>I2C<32><43><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ź<EFBFBD> */
i2c_Start();
/* <20><>2<EFBFBD><32><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֽڣ<D6BD><DAA3><EFBFBD>7bit<69>ǵ<EFBFBD>ַ<EFBFBD><D6B7>bit0<74>Ƕ<EFBFBD>д<EFBFBD><D0B4><EFBFBD><EFBFBD>λ<EFBFBD><CEBB>0<EFBFBD><30>ʾд<CABE><D0B4>1<EFBFBD><31>ʾ<EFBFBD><CABE> */
i2c_SendByte(ClientAddr | I2C_DIR_RD); /* <20>˴<EFBFBD><CBB4>Ƕ<EFBFBD>ָ<EFBFBD><D6B8> */
/* <20><>3<EFBFBD><33><EFBFBD><EFBFBD><EFBFBD>ȴ<EFBFBD>ACK */
if (i2c_WaitAck() != 0)
{
goto cmd_fail; /* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD><D3A6> */
}
while(NumByteToRead)
{
if(NumByteToRead == 1)
{
i2c_NAck(); /* <20><><EFBFBD><EFBFBD>1<EFBFBD><31><EFBFBD>ֽڶ<D6BD><DAB6><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>CPU<50><55><EFBFBD><EFBFBD>NACK<43>ź<EFBFBD>(<28><><EFBFBD><EFBFBD>SDA = 1) */
/* <20><><EFBFBD><EFBFBD>I2C<32><43><EFBFBD><EFBFBD>ֹͣ<CDA3>ź<EFBFBD> */
i2c_Stop();
}
*pBuffer = i2c_ReadByte();
/* <20><>ָ<EFBFBD><D6B8><EFBFBD><EFBFBD><EFBFBD><EFBFBD> */
pBuffer++;
/*<2A><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Լ<EFBFBD> */
NumByteToRead--;
i2c_Ack(); /* <20>м<EFBFBD><D0BC>ֽڶ<D6BD><DAB6><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>CPU<50><55><EFBFBD><EFBFBD>ACK<43>ź<EFBFBD>(<28><><EFBFBD><EFBFBD>SDA = 0) */
}
/* <20><><EFBFBD><EFBFBD>I2C<32><43><EFBFBD><EFBFBD>ֹͣ<CDA3>ź<EFBFBD> */
i2c_Stop();
return 0; /* ִ<>гɹ<D0B3> */
cmd_fail: /* <20><><EFBFBD><EFBFBD>ִ<EFBFBD><D6B4>ʧ<EFBFBD>ܺ<EFBFBD><DCBA><EFBFBD><EFBFBD>мǷ<D0BC><C7B7><EFBFBD>ֹͣ<CDA3>źţ<C5BA><C5A3><EFBFBD><EFBFBD><EFBFBD>Ӱ<EFBFBD><D3B0>I2C<32><43><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>豸 */
/* <20><><EFBFBD><EFBFBD>I2C<32><43><EFBFBD><EFBFBD>ֹͣ<CDA3>ź<EFBFBD> */
i2c_Stop();
return 1;
}
/**
* @brief ʹ<EFBFBD><EFBFBD>IICд<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* @param
* @arg ClientAddr:<EFBFBD><EFBFBD><EFBFBD>豸<EFBFBD><EFBFBD>ַ
* @arg pBuffer:<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD>
* @arg NumByteToWrite:д<EFBFBD><EFBFBD><EFBFBD>ֽ<EFBFBD><EFBFBD><EFBFBD>
* @retval <EFBFBD><EFBFBD>
*/
uint32_t I2C_WriteBytes(uint8_t ClientAddr,uint8_t* pBuffer, uint8_t NumByteToWrite)
{
uint16_t m;
/*<2A><><EFBFBD><EFBFBD>0<EFBFBD><30><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֹͣ<CDA3>źţ<C5BA><C5A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڲ<EFBFBD>д<EFBFBD><D0B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD>*/
i2c_Stop();
/* ͨ<><CDA8><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD><D3A6><EFBFBD>ķ<EFBFBD>ʽ<EFBFBD><CABD><EFBFBD>ж<EFBFBD><D0B6>ڲ<EFBFBD>д<EFBFBD><D0B4><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><C7B7><EFBFBD><EFBFBD><EFBFBD>, һ<><D2BB>С<EFBFBD><D0A1> 10ms
CLKƵ<EFBFBD><EFBFBD>Ϊ200KHzʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѯ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ30<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
*/
for (m = 0; m < 1000; m++)
{
/* <20><>1<EFBFBD><31><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>I2C<32><43><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ź<EFBFBD> */
i2c_Start();
/* <20><>2<EFBFBD><32><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֽڣ<D6BD><DAA3><EFBFBD>7bit<69>ǵ<EFBFBD>ַ<EFBFBD><D6B7>bit0<74>Ƕ<EFBFBD>д<EFBFBD><D0B4><EFBFBD><EFBFBD>λ<EFBFBD><CEBB>0<EFBFBD><30>ʾд<CABE><D0B4>1<EFBFBD><31>ʾ<EFBFBD><CABE> */
i2c_SendByte(ClientAddr | I2C_DIR_WR); /* <20>˴<EFBFBD><CBB4><EFBFBD>дָ<D0B4><D6B8> */
/* <20><>3<EFBFBD><33><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><D2BB>ʱ<EFBFBD>ӣ<EFBFBD><D3A3>ж<EFBFBD><D0B6><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><C7B7><EFBFBD>ȷӦ<C8B7><D3A6> */
if (i2c_WaitAck() == 0)
{
break;
}
}
if (m == 1000)
{
goto cmd_fail; /* EEPROM<4F><4D><EFBFBD><EFBFBD>д<EFBFBD><D0B4>ʱ */
}
while(NumByteToWrite--)
{
/* <20><>4<EFBFBD><34><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʼд<CABC><D0B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD> */
i2c_SendByte(*pBuffer);
/* <20><>5<EFBFBD><35><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ACK */
if (i2c_WaitAck() != 0)
{
goto cmd_fail; /* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD><D3A6> */
}
pBuffer++; /* <20><>ַ<EFBFBD><D6B7>1 */
}
/* <20><><EFBFBD><EFBFBD>ִ<EFBFBD>гɹ<D0B3><C9B9><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>I2C<32><43><EFBFBD><EFBFBD>ֹͣ<CDA3>ź<EFBFBD> */
i2c_Stop();
return 0;
cmd_fail: /* <20><><EFBFBD><EFBFBD>ִ<EFBFBD><D6B4>ʧ<EFBFBD>ܺ<EFBFBD><DCBA><EFBFBD><EFBFBD>мǷ<D0BC><C7B7><EFBFBD>ֹͣ<CDA3>źţ<C5BA><C5A3><EFBFBD><EFBFBD><EFBFBD>Ӱ<EFBFBD><D3B0>I2C<32><43><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>豸 */
/* <20><><EFBFBD><EFBFBD>I2C<32><43><EFBFBD><EFBFBD>ֹͣ<CDA3>ź<EFBFBD> */
i2c_Stop();
return 1;
}
/**
* @brief д<EFBFBD><EFBFBD><EFBFBD>ݵ<EFBFBD>AP3216C<EFBFBD>Ĵ<EFBFBD><EFBFBD><EFBFBD>
* @param reg_add:<EFBFBD>Ĵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ
* @param reg_data:Ҫд<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* @retval
*/
uint32_t Sensor_write(uint8_t reg_add,uint8_t reg_dat)
{
/*<2A><><EFBFBD><EFBFBD>0<EFBFBD><30><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֹͣ<CDA3>źţ<C5BA><C5A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڲ<EFBFBD>д<EFBFBD><D0B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD>*/
i2c_Stop();
/* <20><>1<EFBFBD><31><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>I2C<32><43><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ź<EFBFBD> */
i2c_Start();
/* <20><>2<EFBFBD><32><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֽڣ<D6BD><DAA3><EFBFBD>7bit<69>ǵ<EFBFBD>ַ<EFBFBD><D6B7>bit0<74>Ƕ<EFBFBD>д<EFBFBD><D0B4><EFBFBD><EFBFBD>λ<EFBFBD><CEBB>0<EFBFBD><30>ʾд<CABE><D0B4>1<EFBFBD><31>ʾ<EFBFBD><CABE> */
i2c_SendByte(AP3216C_ADDR | I2C_DIR_WR); /* <20>˴<EFBFBD><CBB4><EFBFBD>дָ<D0B4><D6B8> */
/* <20><>3<EFBFBD><33><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><D2BB>ʱ<EFBFBD>ӣ<EFBFBD><D3A3>ж<EFBFBD><D0B6><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><C7B7><EFBFBD>ȷӦ<C8B7><D3A6> */
if (i2c_WaitAck() != 0)
{
goto cmd_fail; /* EEPROM<4F><4D><EFBFBD><EFBFBD>д<EFBFBD><D0B4>ʱ */
}
/* <20><>4<EFBFBD><34><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʼд<CABC><D0B4><EFBFBD>Ĵ<EFBFBD><C4B4><EFBFBD><EFBFBD><EFBFBD>ַ */
i2c_SendByte(reg_add);
/* <20><>5<EFBFBD><35><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ACK */
if (i2c_WaitAck() != 0)
{
goto cmd_fail; /* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD><D3A6> */
}
/* <20><>5<EFBFBD><35><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʼд<CABC><D0B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD> */
i2c_SendByte(reg_dat);
/* <20><>5<EFBFBD><35><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ACK */
if (i2c_WaitAck() != 0)
{
goto cmd_fail; /* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD><D3A6> */
}
/* <20><><EFBFBD><EFBFBD>ִ<EFBFBD>гɹ<D0B3><C9B9><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>I2C<32><43><EFBFBD><EFBFBD>ֹͣ<CDA3>ź<EFBFBD> */
i2c_Stop();
return 0;
cmd_fail: /* <20><><EFBFBD><EFBFBD>ִ<EFBFBD><D6B4>ʧ<EFBFBD>ܺ<EFBFBD><DCBA><EFBFBD><EFBFBD>мǷ<D0BC><C7B7><EFBFBD>ֹͣ<CDA3>źţ<C5BA><C5A3><EFBFBD><EFBFBD><EFBFBD>Ӱ<EFBFBD><D3B0>I2C<32><43><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>豸 */
/* <20><><EFBFBD><EFBFBD>I2C<32><43><EFBFBD><EFBFBD>ֹͣ<CDA3>ź<EFBFBD> */
i2c_Stop();
return 1;
}
/**
* @brief д<EFBFBD><EFBFBD><EFBFBD>ݵ<EFBFBD>AP3216C<EFBFBD>Ĵ<EFBFBD><EFBFBD><EFBFBD>
* @param reg_add:<EFBFBD>Ĵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ
* @param reg_data:Ҫд<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* @retval
*/
uint32_t Sensor_Read(uint8_t reg_add,unsigned char* Read,uint8_t num)
{
/* <20><>0<EFBFBD><30><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֹͣ<CDA3>źţ<C5BA><C5A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڲ<EFBFBD>д<EFBFBD><D0B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD>*/
i2c_Stop();
/* <20><>1<EFBFBD><31><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>I2C<32><43><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ź<EFBFBD> */
i2c_Start();
/* <20><>2<EFBFBD><32><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֽڣ<D6BD><DAA3><EFBFBD>7bit<69>ǵ<EFBFBD>ַ<EFBFBD><D6B7>bit0<74>Ƕ<EFBFBD>д<EFBFBD><D0B4><EFBFBD><EFBFBD>λ<EFBFBD><CEBB>0<EFBFBD><30>ʾд<CABE><D0B4>1<EFBFBD><31>ʾ<EFBFBD><CABE> */
i2c_SendByte(AP3216C_ADDR | I2C_DIR_WR); /* <20>˴<EFBFBD><CBB4><EFBFBD>дָ<D0B4><D6B8> */
/* <20><>3<EFBFBD><33><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><D2BB>ʱ<EFBFBD>ӣ<EFBFBD><D3A3>ж<EFBFBD><D0B6><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><C7B7><EFBFBD>ȷӦ<C8B7><D3A6> */
if (i2c_WaitAck() != 0)
{
goto cmd_fail; /* EEPROM<4F><4D><EFBFBD><EFBFBD>д<EFBFBD><D0B4>ʱ */
}
/* <20><>4<EFBFBD><34><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʼд<CABC><D0B4><EFBFBD>Ĵ<EFBFBD><C4B4><EFBFBD><EFBFBD><EFBFBD>ַ */
i2c_SendByte(reg_add);
/* <20><>5<EFBFBD><35><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ACK */
if (i2c_WaitAck() != 0)
{
goto cmd_fail; /* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD><D3A6> */
}
/* <20><><EFBFBD><EFBFBD>I2C<32><43><EFBFBD><EFBFBD>ֹͣ<CDA3>ź<EFBFBD> */
i2c_Stop();
/* <20><>6<EFBFBD><36><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>I2C<32><43><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ź<EFBFBD> */
i2c_Start();
/* <20><>7<EFBFBD><37><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֽڣ<D6BD><DAA3><EFBFBD>7bit<69>ǵ<EFBFBD>ַ<EFBFBD><D6B7>bit0<74>Ƕ<EFBFBD>д<EFBFBD><D0B4><EFBFBD><EFBFBD>λ<EFBFBD><CEBB>0<EFBFBD><30>ʾд<CABE><D0B4>1<EFBFBD><31>ʾ<EFBFBD><CABE> */
i2c_SendByte(AP3216C_ADDR | I2C_DIR_RD); /* <20>˴<EFBFBD><CBB4>Ƕ<EFBFBD>ָ<EFBFBD><D6B8> */
/* <20><>8<EFBFBD><38><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ACK */
if (i2c_WaitAck() != 0)
{
goto cmd_fail; /* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD><D3A6> */
}
while(num)
{
*Read = i2c_ReadByte();
/* <20><>ָ<EFBFBD><D6B8><EFBFBD><EFBFBD><EFBFBD><EFBFBD> */
Read++;
if(num == 1)
{
i2c_NAck(); /* <20><><EFBFBD><EFBFBD>1<EFBFBD><31><EFBFBD>ֽڶ<D6BD><DAB6><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>CPU<50><55><EFBFBD><EFBFBD>NACK<43>ź<EFBFBD>(<28><><EFBFBD><EFBFBD>SDA = 1) */
}
else
{
i2c_Ack(); /* <20>м<EFBFBD><D0BC>ֽڶ<D6BD><DAB6><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>CPU<50><55><EFBFBD><EFBFBD>ACK<43>ź<EFBFBD>(<28><><EFBFBD><EFBFBD>SDA = 0) */
}
/*<2A><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Լ<EFBFBD> */
num--;
}
/* <20><><EFBFBD><EFBFBD>I2C<32><43><EFBFBD><EFBFBD>ֹͣ<CDA3>ź<EFBFBD> */
i2c_Stop();
return 0; /* ִ<>гɹ<D0B3> */
cmd_fail: /* <20><><EFBFBD><EFBFBD>ִ<EFBFBD><D6B4>ʧ<EFBFBD>ܺ<EFBFBD><DCBA><EFBFBD><EFBFBD>мǷ<D0BC><C7B7><EFBFBD>ֹͣ<CDA3>źţ<C5BA><C5A3><EFBFBD><EFBFBD><EFBFBD>Ӱ<EFBFBD><D3B0>I2C<32><43><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>豸 */
/* <20><><EFBFBD><EFBFBD>I2C<32><43><EFBFBD><EFBFBD>ֹͣ<CDA3>ź<EFBFBD> */
i2c_Stop();
return 1;
}
/*********************************************END OF FILE**********************/
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