Mike Moore / mmSPI

SPI library used to communicate with an altera development board attached to four zigbee-header pins.

mmSPI.cpp@3:de99451ab3c0, 2013-08-14 (annotated)

Committer:
gatedClock
Date:
Wed Aug 14 10:45:33 2013 +0000
Revision:
3:de99451ab3c0
Parent:
2:bebcf53b72dc
Child:
4:aa1fe8707bef
working on spi interface class.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
gatedClock 0:fb42c5acf810 1 /*----------------------------------------------//------------------------------
gatedClock 0:fb42c5acf810 2 student : m-moore
gatedClock 0:fb42c5acf810 3 class : external SPI interface
gatedClock 0:fb42c5acf810 4 directory : mmSPI
gatedClock 0:fb42c5acf810 5 file : mmSPI.cpp
gatedClock 0:fb42c5acf810 6 ------------------------------------------------//----------------------------*/
gatedClock 0:fb42c5acf810 7 #include "mmSPI.h"
gatedClock 0:fb42c5acf810 8 /*----------------------------------------------//------------------------------
gatedClock 0:fb42c5acf810 9 ------------------------------------------------//----------------------------*/
gatedClock 0:fb42c5acf810 10 //==============================================//==============================
gatedClock 0:fb42c5acf810 11 mmSPI::mmSPI() // constructor.
gatedClock 0:fb42c5acf810 12 {
gatedClock 3:de99451ab3c0 13 allocations(); // object allocations.
gatedClock 0:fb42c5acf810 14 }
gatedClock 0:fb42c5acf810 15 //----------------------------------------------//------------------------------
gatedClock 0:fb42c5acf810 16 mmSPI::~mmSPI() // destructor.
gatedClock 0:fb42c5acf810 17 {
gatedClock 3:de99451ab3c0 18 if (pMOSI) {delete pMOSI; pMOSI = NULL;} // delete allocation.
gatedClock 3:de99451ab3c0 19 if (pMISO) {delete pMISO; pMISO = NULL;} // delete allocation.
gatedClock 3:de99451ab3c0 20 if (pSCLK) {delete pSCLK; pSCLK = NULL;} // delete allocation.
gatedClock 3:de99451ab3c0 21 }
gatedClock 3:de99451ab3c0 22 //----------------------------------------------//------------------------------
gatedClock 3:de99451ab3c0 23 void mmSPI::allocations(void) // object allocations.
gatedClock 3:de99451ab3c0 24 {
gatedClock 3:de99451ab3c0 25 pMOSI = new DigitalOut(mmSPI_MOSI); // SPI MOSI pin object.
gatedClock 3:de99451ab3c0 26 if (!pMOSI) error("\n\r mmSPI::allocations : FATAL malloc error for pMOSI. \n\r");
gatedClock 3:de99451ab3c0 27
gatedClock 3:de99451ab3c0 28 pMISO = new DigitalOut(mmSPI_MISO); // SPI MISO pin object.
gatedClock 3:de99451ab3c0 29 if (!pMISO) error("\n\r mmSPI::allocations : FATAL malloc error for pMISO. \n\r");
gatedClock 3:de99451ab3c0 30
gatedClock 3:de99451ab3c0 31 pSCLK = new DigitalOut(mmSPI_SCLK); // SPI SCLK pin object.
gatedClock 3:de99451ab3c0 32 if (!pSCLK) error("\n\r mmSPI::allocations : FATAL malloc error for pSCLK. \n\r");
gatedClock 3:de99451ab3c0 33 }
gatedClock 0:fb42c5acf810 34 //----------------------------------------------//------------------------------
gatedClock 1:15706d15d123 35 char mmSPI::transceive_byte(char cSend) // send/receive a byte.
gatedClock 1:15706d15d123 36 {
gatedClock 2:bebcf53b72dc 37 *pSCLK = 1;
gatedClock 1:15706d15d123 38
gatedClock 1:15706d15d123 39
gatedClock 1:15706d15d123 40
gatedClock 1:15706d15d123 41 }
gatedClock 1:15706d15d123 42 //----------------------------------------------//------------------------------