AppNearMe µNFC stack for the NXP PN532 chip License: You can use the stack free of charge to prototype with mbed; if you want to use the stack with your commercial product, get in touch!
Dependents: IOT_sensor_nfc AppNearMe_MuNFC_PN532_Test p2p_nfc_test NFCMoodLamp ... more
License
You can use the stack free of charge to prototype with mbed; if you want to use the stack with your commercial product, get in touch!
Diff: PN532/munfc/platform/spi.h
- Revision:
- 11:5be631376e5b
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/PN532/munfc/platform/spi.h Wed Nov 07 18:19:09 2012 +0000 @@ -0,0 +1,45 @@ +/* + spi.h + Copyright (c) Donatien Garnier 2012 + donatien.garnier@appnearme.com + http://www.appnearme.com/ +*/ + +#ifndef SPI_H_ +#define SPI_H_ + +#ifdef __cplusplus +extern "C" { +#endif + +#include "core/fwk.h" + +//These functions must be implemented for each platform + +/* + * After skipping outSkip bytes, write outLen bytes + * After skipping inSkip bytes, read inLen bytes + * This will generate MAX(outSkip + outLen, inSkip + inLen) transfers on the SPI bus + */ +int spi_transfer( uint8_t* outBuf, size_t outLen, size_t outSkip, uint8_t* inBuf, size_t inLen, size_t inSkip ); + +/* + * Write outLen bytes + */ +int spi_write( uint8_t* outBuf, size_t outLen ); + +/* + * Read inLen bytes + */ +int spi_read( uint8_t* inBuf, size_t inLen ); + +/* + * Skip len bytes + */ +int spi_skip( size_t len ); + +#ifdef __cplusplus +} +#endif + +#endif /* SPI_H_ */