嗨，它似乎返回1或零。如果我阅读了正确的描述，它应该返回2。我今晚可以尝试一下，看看它是否修复了。我已经包括了SPI2.h的代码。
以上来自于百度翻译
以下为原文
Hi,
It seems to return 1 or zero.
If I am reading the right description, it is supposed to return 2.
I can try that tonight and see if it fixes it.
I've included the code for SPI2.h
/**
SPI2 Generated Driver API Header File
Company:
Microchip Technology Inc.
File Name:
spi2.h
@Summary
This is the generated header file for the SPI2 driver using MPLAB(c) Code Configurator
@Description
This header file provides APIs for driver for SPI2.
Generation Information :
Product Revision : MPLAB(c) Code Configurator - pic24-dspic-pic32mm : v1.25
Device : dsPIC33EP256MC502
Driver Version : 0.5
The generated drivers are tested against the following:
Compiler : XC16 1.26
MPLAB : MPLAB X 3.45
*/
/*
(c) 2016 Microchip Technology Inc. and its subsidiaries. You may use this
software and any derivatives exclusively with Microchip products.
THIS SOFTWARE IS SUPPLIED BY MICROCHIP "AS IS". NO WARRANTIES, WHETHER
EXPRESS, IMPLIED OR STATUTORY, APPLY TO THIS SOFTWARE, INCLUDING ANY IMPLIED
WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY, AND FITNESS FOR A
PARTICULAR PURPOSE, OR ITS INTERACTION WITH MICROCHIP PRODUCTS, COMBINATION
WITH ANY OTHER PRODUCTS, OR USE IN ANY APPLICATION.
IN NO EVENT WILL MICROCHIP BE LIABLE FOR ANY INDIRECT, SPECIAL, PUNITIVE,
INCIDENTAL OR CONSEQUENTIAL LOSS, DAMAGE, COST OR EXPENSE OF ANY KIND
WHATSOEVER RELATED TO THE SOFTWARE, HOWEVER CAUSED, EVEN IF MICROCHIP HAS
BEEN ADVISED OF THE POSSIBILITY OR THE DAMAGES ARE FORESEEABLE. TO THE
FULLEST EXTENT ALLOWED BY LAW, MICROCHIP'S TOTAL LIABILITY ON ALL CLAIMS IN
ANY WAY RELATED TO THIS SOFTWARE WILL NOT EXCEED THE AMOUNT OF FEES, IF ANY,
THAT YOU HAVE PAID DIRECTLY TO MICROCHIP FOR THIS SOFTWARE.
MICROCHIP PROVIDES THIS SOFTWARE CONDITIONALLY UPON YOUR ACCEPTANCE OF THESE
TERMS.
*/
#ifndef _SPI2_H
#define _SPI2_H
/**
Section: Included Files
*/
#include
#include
#include
#include
#ifdef __cplusplus // Provide C++ Compatibility
extern "C" {
#endif
/**
Section: Data Type Definitions
*/
/**
SPI2_DUMMY_DATA
@Summary
Dummy data to be sent.
@Description
Dummy data to be sent, when no input buffer is specified in the buffer APIs.
*/
#define SPI2_DUMMY_DATA 0x0
/**
SPI2_FIFO_FILL_LIMIT
@Summary
FIFO fill limit for data transmission.
@Description
The amount of data to be filled in the FIFO during transmission. The maximum limit allowed is 8.
*/
#define SPI2_FIFO_FILL_LIMIT 0x8
//Check to make sure that the FIFO limit does not exceed the maximum allowed limit of 8
#if (SPI2_FIFO_FILL_LIMIT > 8)
#define SPI2_FIFO_FILL_LIMIT 8
#endif
/**
SPI2 Status Enumeration
@Summary
Defines the status enumeration for SPI2.
@Description
This defines the status enumeration for SPI2.
*/
typedef enum {
SPI2_SHIFT_REGISTER_EMPTY = 1 << 7,
SPI2_RECEIVE_OVERFLOW = 1 << 6,
SPI2_RECEIVE_FIFO_EMPTY = 1 << 5,
SPI2_TRANSMIT_BUFFER_FULL = 1 << 1,
SPI2_RECEIVE_BUFFER_FULL = 1 << 0
}SPI2_STATUS;
/**
SPI2 Mode Enumeration
@Summary
Defines the mode of operation for SPI2.
@Description
This defines the mode of operation for SPI2.
*/
typedef enum {
SPI2_DRIVER_TRANSFER_MODE_8BIT = 0,
SPI2_DRIVER_TRANSFER_MODE_16BIT = 1,
SPI2_DRIVER_TRANSFER_MODE_32BIT = 2,
} SPI2_TRANSFER_MODE;
/**
Section: Interface Routines
*/
/**
@Summary
Initializes the SPI instance : 2
@Description
This routine initializes the spi2 driver instance for : 2
index, making it ready for clients to open and use it.
This routine must be called before any other SPI2 routine is called.
This routine should only be called once during system initialization.
@Preconditions
None.
@Returns
None.
@Param
None.
@Example
uint16_t myWriteBuffer[MY_BUFFER_SIZE];
uint16_t myReadBuffer[MY_BUFFER_SIZE];
uint16_t writeData;
uint16_t readData;
SPI2_STATUS status;
unsigned int total;
SPI2_Initialize;
total = 0;
do
{
total = SPI2_Exchange16bitBuffer( &myWriteBuffer[total], MY_BUFFER_SIZE - total, &myWriteBuffer[total]);
// Do something else...
} while( total < MY_BUFFER_SIZE );
readData = SPI2_Exchange16bit( writeData);
status = SPI2_StatusGet();
*/
void SPI2_Initialize (void);
/**
@Summary
Exchanges one word of data from SPI2
@Description
This routine exchanges one word of data from SPI2.
This is a blocking routine.
@Preconditions
The SPI2_Initialize routine must have been called for the specified
SPI2 driver instance.
The SPI transfer mode should be selected as 16bit mode in the initialization.
Do not select 8 bit mode, only the lower byte of the data will sent or received if selected.
@Returns
Data read from SPI2
@Param
data - Data to be written onto SPI2.
@Example
Refer to SPI2_Initialize() for an example
*/
uint16_t SPI2_Exchange16bit( uint16_t data );
/**
@Summary
Exchanges data from a buffer of size one word from SPI2
@Description
This routine exchanges data from a buffer of size one word from the SPI2.
This is a blocking routine.
@Preconditions
The SPI2_Initialize routine must have been called for the specified
SPI2 driver instance.
The SPI transfer mode should be selected as 16bit mode in the initialization.
Do not select 8 bit mode, only the lower byte of the data will sent or received if selected.
@Returns
Number of words written/read.
@Param
dataTransmitted - Buffer of data to be written onto SPI2.
@Param
byteCount - Number of bytes to be exchanged.
@Param
dataTransmitted - Buffer of data to be read from SPI2.
@Example
Refer to SPI2_Initialize() for an example
*/
uint16_t SPI2_Exchange16bitBuffer(uint16_t *dataTransmitted, uint16_t byteCount, uint16_t *dataReceived);
/**
@Summary
Returns the value of the status register of SPI instance : 2
@Description
This routine returns the value of the status register of SPI2 driver instance : 2
@Preconditions
None.
@Returns
Returns the value of the status register.
@Param
None.
@Example
Refer to SPI2_Initialize() for an example
*/
SPI2_STATUS SPI2_StatusGet(void);
#ifdef __cplusplus // Provide C++ Compatibility
}
#endif
#endif //_SPI2_H
/*******************************************************************************
End of File
*/
嗨，它似乎返回1或零。如果我阅读了正确的描述，它应该返回2。我今晚可以尝试一下，看看它是否修复了。我已经包括了SPI2.h的代码。
以上来自于百度翻译
以下为原文
Hi,
It seems to return 1 or zero.
If I am reading the right description, it is supposed to return 2.
I can try that tonight and see if it fixes it.
I've included the code for SPI2.h
/**
SPI2 Generated Driver API Header File
Company:
Microchip Technology Inc.
File Name:
spi2.h
@Summary
This is the generated header file for the SPI2 driver using MPLAB(c) Code Configurator
@Description
This header file provides APIs for driver for SPI2.
Generation Information :
Product Revision : MPLAB(c) Code Configurator - pic24-dspic-pic32mm : v1.25
Device : dsPIC33EP256MC502
Driver Version : 0.5
The generated drivers are tested against the following:
Compiler : XC16 1.26
MPLAB : MPLAB X 3.45
*/
/*
(c) 2016 Microchip Technology Inc. and its subsidiaries. You may use this
software and any derivatives exclusively with Microchip products.
THIS SOFTWARE IS SUPPLIED BY MICROCHIP "AS IS". NO WARRANTIES, WHETHER
EXPRESS, IMPLIED OR STATUTORY, APPLY TO THIS SOFTWARE, INCLUDING ANY IMPLIED
WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY, AND FITNESS FOR A
PARTICULAR PURPOSE, OR ITS INTERACTION WITH MICROCHIP PRODUCTS, COMBINATION
WITH ANY OTHER PRODUCTS, OR USE IN ANY APPLICATION.
IN NO EVENT WILL MICROCHIP BE LIABLE FOR ANY INDIRECT, SPECIAL, PUNITIVE,
INCIDENTAL OR CONSEQUENTIAL LOSS, DAMAGE, COST OR EXPENSE OF ANY KIND
WHATSOEVER RELATED TO THE SOFTWARE, HOWEVER CAUSED, EVEN IF MICROCHIP HAS
BEEN ADVISED OF THE POSSIBILITY OR THE DAMAGES ARE FORESEEABLE. TO THE
FULLEST EXTENT ALLOWED BY LAW, MICROCHIP'S TOTAL LIABILITY ON ALL CLAIMS IN
ANY WAY RELATED TO THIS SOFTWARE WILL NOT EXCEED THE AMOUNT OF FEES, IF ANY,
THAT YOU HAVE PAID DIRECTLY TO MICROCHIP FOR THIS SOFTWARE.
MICROCHIP PROVIDES THIS SOFTWARE CONDITIONALLY UPON YOUR ACCEPTANCE OF THESE
TERMS.
*/
#ifndef _SPI2_H
#define _SPI2_H
/**
Section: Included Files
*/
#include
#include
#include
#include
#ifdef __cplusplus // Provide C++ Compatibility
extern "C" {
#endif
/**
Section: Data Type Definitions
*/
/**
SPI2_DUMMY_DATA
@Summary
Dummy data to be sent.
@Description
Dummy data to be sent, when no input buffer is specified in the buffer APIs.
*/
#define SPI2_DUMMY_DATA 0x0
/**
SPI2_FIFO_FILL_LIMIT
@Summary
FIFO fill limit for data transmission.
@Description
The amount of data to be filled in the FIFO during transmission. The maximum limit allowed is 8.
*/
#define SPI2_FIFO_FILL_LIMIT 0x8
//Check to make sure that the FIFO limit does not exceed the maximum allowed limit of 8
#if (SPI2_FIFO_FILL_LIMIT > 8)
#define SPI2_FIFO_FILL_LIMIT 8
#endif
/**
SPI2 Status Enumeration
@Summary
Defines the status enumeration for SPI2.
@Description
This defines the status enumeration for SPI2.
*/
typedef enum {
SPI2_SHIFT_REGISTER_EMPTY = 1 << 7,
SPI2_RECEIVE_OVERFLOW = 1 << 6,
SPI2_RECEIVE_FIFO_EMPTY = 1 << 5,
SPI2_TRANSMIT_BUFFER_FULL = 1 << 1,
SPI2_RECEIVE_BUFFER_FULL = 1 << 0
}SPI2_STATUS;
/**
SPI2 Mode Enumeration
@Summary
Defines the mode of operation for SPI2.
@Description
This defines the mode of operation for SPI2.
*/
typedef enum {
SPI2_DRIVER_TRANSFER_MODE_8BIT = 0,
SPI2_DRIVER_TRANSFER_MODE_16BIT = 1,
SPI2_DRIVER_TRANSFER_MODE_32BIT = 2,
} SPI2_TRANSFER_MODE;
/**
Section: Interface Routines
*/
/**
@Summary
Initializes the SPI instance : 2
@Description
This routine initializes the spi2 driver instance for : 2
index, making it ready for clients to open and use it.
This routine must be called before any other SPI2 routine is called.
This routine should only be called once during system initialization.
@Preconditions
None.
@Returns
None.
@Param
None.
@Example
uint16_t myWriteBuffer[MY_BUFFER_SIZE];
uint16_t myReadBuffer[MY_BUFFER_SIZE];
uint16_t writeData;
uint16_t readData;
SPI2_STATUS status;
unsigned int total;
SPI2_Initialize;
total = 0;
do
{
total = SPI2_Exchange16bitBuffer( &myWriteBuffer[total], MY_BUFFER_SIZE - total, &myWriteBuffer[total]);
// Do something else...
} while( total < MY_BUFFER_SIZE );
readData = SPI2_Exchange16bit( writeData);
status = SPI2_StatusGet();
*/
void SPI2_Initialize (void);
/**
@Summary
Exchanges one word of data from SPI2
@Description
This routine exchanges one word of data from SPI2.
This is a blocking routine.
@Preconditions
The SPI2_Initialize routine must have been called for the specified
SPI2 driver instance.
The SPI transfer mode should be selected as 16bit mode in the initialization.
Do not select 8 bit mode, only the lower byte of the data will sent or received if selected.
@Returns
Data read from SPI2
@Param
data - Data to be written onto SPI2.
@Example
Refer to SPI2_Initialize() for an example
*/
uint16_t SPI2_Exchange16bit( uint16_t data );
/**
@Summary
Exchanges data from a buffer of size one word from SPI2
@Description
This routine exchanges data from a buffer of size one word from the SPI2.
This is a blocking routine.
@Preconditions
The SPI2_Initialize routine must have been called for the specified
SPI2 driver instance.
The SPI transfer mode should be selected as 16bit mode in the initialization.
Do not select 8 bit mode, only the lower byte of the data will sent or received if selected.
@Returns
Number of words written/read.
@Param
dataTransmitted - Buffer of data to be written onto SPI2.
@Param
byteCount - Number of bytes to be exchanged.
@Param
dataTransmitted - Buffer of data to be read from SPI2.
@Example
Refer to SPI2_Initialize() for an example
*/
uint16_t SPI2_Exchange16bitBuffer(uint16_t *dataTransmitted, uint16_t byteCount, uint16_t *dataReceived);
/**
@Summary
Returns the value of the status register of SPI instance : 2
@Description
This routine returns the value of the status register of SPI2 driver instance : 2
@Preconditions
None.
@Returns
Returns the value of the status register.
@Param
None.
@Example
Refer to SPI2_Initialize() for an example
*/
SPI2_STATUS SPI2_StatusGet(void);
#ifdef __cplusplus // Provide C++ Compatibility
}
#endif
#endif //_SPI2_H
/*******************************************************************************
End of File
*/
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