Mike Moore / mmSPI

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

mmSPI.h@7:b3e8b537d5c2, 2013-08-14 (annotated)

Committer:
gatedClock
Date:
Wed Aug 14 15:34:10 2013 +0000
Revision:
7:b3e8b537d5c2
Parent:
6:b480fc4e87e5
Child:
8:e2d8bbc3e659
void mmSPI::transceive_vector(char *cReceive, char *cSend, char cNumBytes)

Who changed what in which revision?

UserRevisionLine numberNew contents of line
gatedClock 2:bebcf53b72dc 1 #ifndef mmSPI_H // include guard.
gatedClock 2:bebcf53b72dc 2 #define mmSPI_H // include guard.
gatedClock 0:fb42c5acf810 3 /*----------------------------------------------//------------------------------
gatedClock 0:fb42c5acf810 4 student : m-moore
gatedClock 0:fb42c5acf810 5 class : external SPI interface
gatedClock 0:fb42c5acf810 6 directory : mmSPI
gatedClock 0:fb42c5acf810 7 file : mmSPI.h
gatedClock 1:15706d15d123 8 ----description---------------------------------//------------------------------
gatedClock 1:15706d15d123 9 ----notes---------------------------------------//------------------------------
gatedClock 1:15706d15d123 10 1. the SPI interface pins are routed to the zigbee header.
gatedClock 0:fb42c5acf810 11 ------------------------------------------------//----------------------------*/
gatedClock 0:fb42c5acf810 12 #include "mbed.h" // standard mbed.org class.
gatedClock 1:15706d15d123 13 //---defines------------------------------------//------------------------------
gatedClock 3:de99451ab3c0 14 #define mmSPI_MOSI p9 // SPI interface pin.
gatedClock 3:de99451ab3c0 15 #define mmSPI_MISO p10 // SPI interface pin.
gatedClock 3:de99451ab3c0 16 #define mmSPI_SCLK p30 // SPI interface pin.
gatedClock 2:bebcf53b72dc 17
gatedClock 2:bebcf53b72dc 18
gatedClock 3:de99451ab3c0 19
gatedClock 0:fb42c5acf810 20 /*----------------------------------------------//------------------------------
gatedClock 0:fb42c5acf810 21 ------------------------------------------------//----------------------------*/
gatedClock 2:bebcf53b72dc 22
gatedClock 0:fb42c5acf810 23 //==============================================//==============================
gatedClock 0:fb42c5acf810 24 class mmSPI
gatedClock 0:fb42c5acf810 25 {
gatedClock 0:fb42c5acf810 26 public:
gatedClock 0:fb42c5acf810 27 mmSPI(); // constructor.
gatedClock 0:fb42c5acf810 28 ~mmSPI(); // destructor.
gatedClock 3:de99451ab3c0 29 void allocations(); // object allocations.
gatedClock 4:aa1fe8707bef 30 void setSPIfrequency(float); // set SPI clock frequency.
gatedClock 6:b480fc4e87e5 31
gatedClock 6:b480fc4e87e5 32 // byte transceive.
gatedClock 6:b480fc4e87e5 33 void transceive_byte(char *cReceive, char *cSend);
gatedClock 7:b3e8b537d5c2 34
gatedClock 7:b3e8b537d5c2 35 // byte-array transceive.
gatedClock 7:b3e8b537d5c2 36 void transceive_vector(char *cReceive, char *cSend, char cNumBytes);
gatedClock 0:fb42c5acf810 37 private:
gatedClock 2:bebcf53b72dc 38
gatedClock 3:de99451ab3c0 39 DigitalOut * pMOSI; // SPI pin.
gatedClock 3:de99451ab3c0 40 DigitalOut * pMISO; // SPI pin.
gatedClock 3:de99451ab3c0 41 DigitalOut * pSCLK; // SPI pin.
gatedClock 4:aa1fe8707bef 42 float fSPIfreq; // SPI clock frequency.
gatedClock 4:aa1fe8707bef 43 float fSPIquarterP; // SPI quarter period.
gatedClock 5:b14dcaae260e 44 char cLoop01; // loop index.
gatedClock 7:b3e8b537d5c2 45 char cLoop02; // loop index.
gatedClock 3:de99451ab3c0 46
gatedClock 2:bebcf53b72dc 47
gatedClock 2:bebcf53b72dc 48
gatedClock 0:fb42c5acf810 49 };
gatedClock 2:bebcf53b72dc 50 //----------------------------------------------//------------------------------
gatedClock 2:bebcf53b72dc 51 #endif // include guard.