Davi Cussan / Mbed 2 deprecated pc052c_configurator_original

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Dependencies:   mbed

spi_functions.cpp@8:2196f2f75947, 2019-06-28 (annotated)

Committer:
cussans
Date:
Fri Jun 28 14:43:03 2019 +0000
Revision:
8:2196f2f75947
Parent:
6:4d64960c7908
Child:
9:81e2caa80fdf
Pushing to repo. before hacking on readback

Who changed what in which revision?

UserRevisionLine numberNew contents of line
PaoloB 0:15d9f9050d21 1 #include "mbed.h"
PaoloB 0:15d9f9050d21 2 #include <spi_functions.h>
PaoloB 0:15d9f9050d21 3
PaoloB 2:ac580453441f 4 ////////////////////////////////////////////////////////
PaoloB 0:15d9f9050d21 5 int sendConfiguration(Serial &serialOut, SPI &dac_port, DigitalOut &sync)
PaoloB 0:15d9f9050d21 6 {
PaoloB 0:15d9f9050d21 7 int nWords= 12;
PaoloB 0:15d9f9050d21 8 unsigned short dac_data[nWords];
PaoloB 0:15d9f9050d21 9
PaoloB 0:15d9f9050d21 10 //CONFIGURE ALL PORTS AS OUTPUTS
PaoloB 0:15d9f9050d21 11 dac_data[0] = 0x0955; //
PaoloB 0:15d9f9050d21 12 dac_data[1] = 0x0A55; //
PaoloB 0:15d9f9050d21 13 dac_data[2] = 0x0B55; //
PaoloB 0:15d9f9050d21 14 dac_data[3] = 0x0C55; //
PaoloB 0:15d9f9050d21 15 dac_data[4] = 0x0D55; //
PaoloB 0:15d9f9050d21 16 dac_data[5] = 0x0E55; //
PaoloB 0:15d9f9050d21 17 dac_data[6] = 0x0F55; //
PaoloB 0:15d9f9050d21 18
PaoloB 2:ac580453441f 19 //SET ALL OUTPUTS TO 0
PaoloB 2:ac580453441f 20 dac_data[7] = 0x4400; // P4 - P11
PaoloB 2:ac580453441f 21 dac_data[8] = 0x4C00; // P12 - P19
PaoloB 2:ac580453441f 22 dac_data[9] = 0x5400; // P20 - P27
PaoloB 2:ac580453441f 23 dac_data[10]= 0x5C00; // P28 - P31
PaoloB 0:15d9f9050d21 24
PaoloB 0:15d9f9050d21 25 //EXIT SHUTDOWN MODE
PaoloB 0:15d9f9050d21 26 dac_data[11]= 0x0401;
PaoloB 0:15d9f9050d21 27 for (int i = 0; i < nWords; i++)
PaoloB 0:15d9f9050d21 28 {
PaoloB 0:15d9f9050d21 29 serialOut.printf("WRITING %d (0x%04x).\n", dac_data[i], dac_data[i]);
PaoloB 0:15d9f9050d21 30 mySPISend(dac_data[i], dac_port, sync);
PaoloB 0:15d9f9050d21 31 }
PaoloB 0:15d9f9050d21 32 return 0;
PaoloB 0:15d9f9050d21 33 }
PaoloB 0:15d9f9050d21 34
PaoloB 2:ac580453441f 35 ////////////////////////////////////////////////////////
PaoloB 0:15d9f9050d21 36 int sendTransfer(unsigned short data, SPI &dac_port, DigitalOut &sync)
PaoloB 0:15d9f9050d21 37 {
PaoloB 2:ac580453441f 38
PaoloB 0:15d9f9050d21 39 return 0;
PaoloB 0:15d9f9050d21 40 }
PaoloB 0:15d9f9050d21 41
PaoloB 2:ac580453441f 42 ////////////////////////////////////////////////////////
PaoloB 0:15d9f9050d21 43 int mySPISend( unsigned short data, SPI &dac_port, DigitalOut &sync)
PaoloB 0:15d9f9050d21 44 // This is the basic function used to send the signals.
PaoloB 0:15d9f9050d21 45 {
PaoloB 0:15d9f9050d21 46 //sync = 1;
cussans 6:4d64960c7908 47 wait (0.001); // Changed from 0.5, DGC, 1 Oct 18
PaoloB 0:15d9f9050d21 48
PaoloB 0:15d9f9050d21 49 sync = 0;
PaoloB 0:15d9f9050d21 50
cussans 6:4d64960c7908 51 wait(0.0001); // wait 100us for select line to go fully low after .
cussans 6:4d64960c7908 52
PaoloB 0:15d9f9050d21 53 dac_port.write(data >> 8);// We have a 8 bit interface but need to write 16 bits. Two write in sequence (or use "transfer" instead)
PaoloB 0:15d9f9050d21 54 dac_port.write(data);
PaoloB 0:15d9f9050d21 55
cussans 6:4d64960c7908 56 wait(0.0001); // wait 100us for select line to go fully high.
PaoloB 0:15d9f9050d21 57 sync = 1;
PaoloB 0:15d9f9050d21 58
cussans 8:2196f2f75947 59 wait (0.05); // changed from 0.5 , DGC, May 2019
PaoloB 0:15d9f9050d21 60 return 0;
PaoloB 0:15d9f9050d21 61 }
PaoloB 0:15d9f9050d21 62
PaoloB 2:ac580453441f 63 ////////////////////////////////////////////////////////
PaoloB 2:ac580453441f 64 int mySPIRead(Serial &serialOut, unsigned short data, SPI &dac_port, DigitalOut &sync)
PaoloB 2:ac580453441f 65 // This is the basic function used to send the signals.
PaoloB 2:ac580453441f 66 {
PaoloB 2:ac580453441f 67 unsigned short nopdata= 0x0000;
PaoloB 2:ac580453441f 68 unsigned short return1, return2;
PaoloB 2:ac580453441f 69 wait (0.5);
PaoloB 2:ac580453441f 70
PaoloB 2:ac580453441f 71 sync = 0;
PaoloB 2:ac580453441f 72
PaoloB 2:ac580453441f 73 dac_port.write(data >> 8);// We have a 8 bit interface but need to write 16 bits. Two write in sequence (or use "transfer" instead)
PaoloB 2:ac580453441f 74 dac_port.write(data);
PaoloB 2:ac580453441f 75
PaoloB 2:ac580453441f 76 wait(0.000005); //
PaoloB 2:ac580453441f 77 sync = 1;
PaoloB 2:ac580453441f 78
PaoloB 2:ac580453441f 79 wait (0.2);
PaoloB 2:ac580453441f 80 sync = 0;
PaoloB 2:ac580453441f 81
PaoloB 2:ac580453441f 82 return1= dac_port.write(nopdata >> 8);// No operation. Used to flush the 16 bits.
PaoloB 2:ac580453441f 83 return2= dac_port.write(nopdata);
PaoloB 2:ac580453441f 84
PaoloB 2:ac580453441f 85 wait(0.000005); //
PaoloB 2:ac580453441f 86 sync = 1;
PaoloB 2:ac580453441f 87 wait (0.5);
PaoloB 2:ac580453441f 88 serialOut.printf("Returned data = %d (0x%04x), %d (0x%04x).\n", return1, return1, return2, return2);
PaoloB 2:ac580453441f 89 return 0;
PaoloB 2:ac580453441f 90 }
PaoloB 2:ac580453441f 91
PaoloB 2:ac580453441f 92 ////////////////////////////////////////////////////////
PaoloB 2:ac580453441f 93 int powerMode(SPI &dac_port, DigitalOut &sync, int mode)
PaoloB 2:ac580453441f 94 {
PaoloB 2:ac580453441f 95 int nWords= 2;
PaoloB 2:ac580453441f 96 unsigned short dac_data[nWords];
PaoloB 2:ac580453441f 97
PaoloB 2:ac580453441f 98
PaoloB 2:ac580453441f 99 dac_data[0]= 0x0400;//ENTER SHUTDOWN MODE
PaoloB 2:ac580453441f 100 dac_data[1]= 0x0401;//EXIT SHUTDOWN MODE
PaoloB 2:ac580453441f 101
PaoloB 2:ac580453441f 102 if ((mode==0) || (mode==1))
PaoloB 2:ac580453441f 103 {
PaoloB 2:ac580453441f 104 mySPISend(dac_data[mode], dac_port, sync);
PaoloB 2:ac580453441f 105 }
PaoloB 2:ac580453441f 106
PaoloB 2:ac580453441f 107 return 0;
PaoloB 2:ac580453441f 108 }
PaoloB 2:ac580453441f 109
PaoloB 2:ac580453441f 110 ////////////////////////////////////////////////////////
PaoloB 2:ac580453441f 111 int setPort(SPI &dac_port, DigitalOut &sync, int myPort, int newState)
PaoloB 2:ac580453441f 112 {
PaoloB 2:ac580453441f 113 int nWords= 1;
PaoloB 2:ac580453441f 114 unsigned short dac_data[nWords];
PaoloB 2:ac580453441f 115
PaoloB 2:ac580453441f 116 dac_data[0]= (myPort + 0x0020)*0x0100 + newState;
PaoloB 2:ac580453441f 117 mySPISend(dac_data[0], dac_port, sync);
PaoloB 2:ac580453441f 118 /*
PaoloB 2:ac580453441f 119 dac_data[0]= 0x0400;//ENTER SHUTDOWN MODE
PaoloB 2:ac580453441f 120 dac_data[1]= 0x0401;//EXIT SHUTDOWN MODE
PaoloB 2:ac580453441f 121
PaoloB 2:ac580453441f 122 if ((mode==0) || (mode==1))
PaoloB 2:ac580453441f 123 {
PaoloB 2:ac580453441f 124 mySPISend(dac_data[mode], dac_port, sync);
PaoloB 2:ac580453441f 125 }*/
PaoloB 2:ac580453441f 126 return 0;
PaoloB 2:ac580453441f 127 }