philippe laurent / bloc_io

communication mbed/pld altera lib

Dependents:   scooter_mbed_etudiant scooter_mbed_correction_mbed_os scooter_ scooter_mbed_etudiant_fini_1 ... more

bloc_io.h@1:7b4e6771a530, 2015-08-11 (annotated)

Committer:
superphil06
Date:
Tue Aug 11 15:00:09 2015 +0000
Revision:
1:7b4e6771a530
Parent:
0:49abff3f269a
Child:
2:01a42472c867
version beta1: web, pertistant data on text file

Who changed what in which revision?

UserRevisionLine numberNew contents of line
superphil06 0:49abff3f269a 1 #ifndef BLOC_IO_H
superphil06 0:49abff3f269a 2 #define BLOC_IO_H
superphil06 1:7b4e6771a530 3
superphil06 0:49abff3f269a 4 #include "mbed.h"
superphil06 0:49abff3f269a 5
superphil06 0:49abff3f269a 6
superphil06 0:49abff3f269a 7 /** bloc_io class.
superphil06 0:49abff3f269a 8 * Used for exchange byte with altera 7064 PLD.
superphil06 0:49abff3f269a 9 *
superphil06 0:49abff3f269a 10 * Example:
superphil06 0:49abff3f269a 11 * @code
superphil06 0:49abff3f269a 12 * #include "mbed.h"
superphil06 0:49abff3f269a 13 * #include "bloc_io.h"
superphil06 0:49abff3f269a 14 *
superphil06 0:49abff3f269a 15 * Bloc_IO My_PLD (pin RD_WRn,pin CS, pin D0......,pin D7);
superphil06 0:49abff3f269a 16 * unsigned char byVal;
superphil06 0:49abff3f269a 17 *
superphil06 0:49abff3f269a 18 * int main() {
superphil06 0:49abff3f269a 19 * My_PLD.write (byVal);// send byte from Mbed to PLD
superphil06 0:49abff3f269a 20 * byVal=My_PLD.read();// read byre from PLD to Mbed
superphil06 0:49abff3f269a 21 * }
superphil06 0:49abff3f269a 22 * @endcode
superphil06 0:49abff3f269a 23 */
superphil06 0:49abff3f269a 24
superphil06 0:49abff3f269a 25 class Bloc_IO {
superphil06 0:49abff3f269a 26 public:
superphil06 0:49abff3f269a 27 /** Bloc_IO construct
superphil06 0:49abff3f269a 28 *
superphil06 0:49abff3f269a 29 * @param RD_WRn pin reserved for R/W control signal on mbed
superphil06 0:49abff3f269a 30 * @param CS pin reserved for chip select control signal on mbed
superphil06 0:49abff3f269a 31 * @param __D0 pin reserved for lsb on Mbed data bus
superphil06 0:49abff3f269a 32 * @param __D7 pin reserved for msb on Mbed data bus
superphil06 0:49abff3f269a 33 * @returns
superphil06 0:49abff3f269a 34 * no return
superphil06 0:49abff3f269a 35 */
superphil06 0:49abff3f269a 36 Bloc_IO(PinName RD_WRn,PinName CS,PinName __D0,PinName __D1,PinName __D2,PinName __D3,PinName __D4,PinName __D5,PinName __D6,PinName __D7);
superphil06 0:49abff3f269a 37
superphil06 0:49abff3f269a 38 /** read byte method
superphil06 1:7b4e6771a530 39 * @param : no parameter
superphil06 0:49abff3f269a 40 * @returns
superphil06 1:7b4e6771a530 41 * byte red from PLD
superphil06 0:49abff3f269a 42 */
superphil06 0:49abff3f269a 43 unsigned char read(void);
superphil06 0:49abff3f269a 44
superphil06 0:49abff3f269a 45 /** write byte method
superphil06 0:49abff3f269a 46 *@param byWrVal: byte to write to PLD
superphil06 0:49abff3f269a 47 * @returns
superphil06 0:49abff3f269a 48 * no returns
superphil06 0:49abff3f269a 49 */
superphil06 0:49abff3f269a 50 void write (unsigned char byWrVal);
superphil06 0:49abff3f269a 51
superphil06 0:49abff3f269a 52
superphil06 0:49abff3f269a 53 private:
superphil06 0:49abff3f269a 54 DigitalOut _RD_WRn;
superphil06 0:49abff3f269a 55 DigitalOut _CS;
superphil06 0:49abff3f269a 56 BusInOut Bloc_IoPort;
superphil06 1:7b4e6771a530 57
superphil06 0:49abff3f269a 58
superphil06 0:49abff3f269a 59
superphil06 0:49abff3f269a 60 };
superphil06 0:49abff3f269a 61
superphil06 0:49abff3f269a 62
superphil06 1:7b4e6771a530 63 #endif