MCUGear 12bit AD 8ch module for LPC1114. It contains wiring data.
AD8chModuleLPC1114.cpp@0:7a613ce304cd, 2014-05-06 (annotated)
- Committer:
- Info
- Date:
- Tue May 06 13:39:10 2014 +0000
- Revision:
- 0:7a613ce304cd
MCUGear 12bit AD 8ch module for LPC1114.
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
Info | 0:7a613ce304cd | 1 | |
Info | 0:7a613ce304cd | 2 | #include "mbed.h" |
Info | 0:7a613ce304cd | 3 | #include "MCUGearALPC1114.h" |
Info | 0:7a613ce304cd | 4 | #include "MCUGearBaseALPC1114.h" |
Info | 0:7a613ce304cd | 5 | #include "AD8chModuleLPC1114.h" |
Info | 0:7a613ce304cd | 6 | |
Info | 0:7a613ce304cd | 7 | AD8chModule::AD8chModule(SPI _spi, PinName _cs, MCUGear *mcugear) |
Info | 0:7a613ce304cd | 8 | :spi(_spi),cs(_cs) { |
Info | 0:7a613ce304cd | 9 | |
Info | 0:7a613ce304cd | 10 | //miso,mosi,sck,cs |
Info | 0:7a613ce304cd | 11 | mcugear->setWireA(IOMISO, IO_REG_IN_DIR, 0); |
Info | 0:7a613ce304cd | 12 | mcugear->setWireA(IOMOSI, IO_REG_OUT_DIR, 1); |
Info | 0:7a613ce304cd | 13 | mcugear->setWireA(IOSCK, IO_REG_OUT_DIR,2); |
Info | 0:7a613ce304cd | 14 | mcugear->setWireA(IOCS, IO_REG_OUT_DIR,3); |
Info | 0:7a613ce304cd | 15 | } |
Info | 0:7a613ce304cd | 16 | |
Info | 0:7a613ce304cd | 17 | |
Info | 0:7a613ce304cd | 18 | void AD8chModule::initAD8ch(MCUGear *mcugear){ |
Info | 0:7a613ce304cd | 19 | cs = 1; |
Info | 0:7a613ce304cd | 20 | spi.frequency(2000000); //1MHz |
Info | 0:7a613ce304cd | 21 | } |
Info | 0:7a613ce304cd | 22 | |
Info | 0:7a613ce304cd | 23 | int AD8chModule::readADm(MCUGear *mcugear, char ch){ |
Info | 0:7a613ce304cd | 24 | |
Info | 0:7a613ce304cd | 25 | char sendData; |
Info | 0:7a613ce304cd | 26 | int whoami[3]; |
Info | 0:7a613ce304cd | 27 | char sendData2; |
Info | 0:7a613ce304cd | 28 | |
Info | 0:7a613ce304cd | 29 | //0000 0000 0110 00 00 [0000 0000 0000] |
Info | 0:7a613ce304cd | 30 | |
Info | 0:7a613ce304cd | 31 | if(ch < 8){ |
Info | 0:7a613ce304cd | 32 | sendData = 0x18+ch; //0001 1000 |
Info | 0:7a613ce304cd | 33 | sendData2 = sendData >> 2; |
Info | 0:7a613ce304cd | 34 | sendData = sendData << 6; |
Info | 0:7a613ce304cd | 35 | |
Info | 0:7a613ce304cd | 36 | }else{ |
Info | 0:7a613ce304cd | 37 | return -1; |
Info | 0:7a613ce304cd | 38 | } |
Info | 0:7a613ce304cd | 39 | |
Info | 0:7a613ce304cd | 40 | //12bit AD Mobdule---------------- |
Info | 0:7a613ce304cd | 41 | //mcugear->connectModule(); //connect--- |
Info | 0:7a613ce304cd | 42 | cs = 0; |
Info | 0:7a613ce304cd | 43 | spi.write(sendData2); |
Info | 0:7a613ce304cd | 44 | whoami[2] = spi.write(sendData); |
Info | 0:7a613ce304cd | 45 | whoami[0] = whoami[2]<<8; |
Info | 0:7a613ce304cd | 46 | whoami[0] = whoami[0] + spi.write(0x00)-0xE000; //get data from AD device |
Info | 0:7a613ce304cd | 47 | cs = 1; |
Info | 0:7a613ce304cd | 48 | //mcugear->disconnectModule(); //disconnect--- |
Info | 0:7a613ce304cd | 49 | return whoami[0]; |
Info | 0:7a613ce304cd | 50 | |
Info | 0:7a613ce304cd | 51 | } |
Info | 0:7a613ce304cd | 52 | |
Info | 0:7a613ce304cd | 53 | int AD8chModule::readADa(MCUGear *mcugear, char ch){ |
Info | 0:7a613ce304cd | 54 | |
Info | 0:7a613ce304cd | 55 | char sendData; |
Info | 0:7a613ce304cd | 56 | int whoami[3]; |
Info | 0:7a613ce304cd | 57 | char sendData2; |
Info | 0:7a613ce304cd | 58 | |
Info | 0:7a613ce304cd | 59 | //0000 0000 0110 00 00 [0000 0000 0000] |
Info | 0:7a613ce304cd | 60 | |
Info | 0:7a613ce304cd | 61 | if(ch < 8){ |
Info | 0:7a613ce304cd | 62 | sendData = 0x18+ch; //0001 1000 |
Info | 0:7a613ce304cd | 63 | sendData2 = sendData >> 2; |
Info | 0:7a613ce304cd | 64 | sendData = sendData << 6; |
Info | 0:7a613ce304cd | 65 | |
Info | 0:7a613ce304cd | 66 | }else{ |
Info | 0:7a613ce304cd | 67 | return -1; |
Info | 0:7a613ce304cd | 68 | } |
Info | 0:7a613ce304cd | 69 | |
Info | 0:7a613ce304cd | 70 | //12bit AD Mobdule---------------- |
Info | 0:7a613ce304cd | 71 | spi.frequency(2000000); //1MHz |
Info | 0:7a613ce304cd | 72 | cs = 1; //reset CS pin |
Info | 0:7a613ce304cd | 73 | mcugear->connectModuleA(); //connect--- |
Info | 0:7a613ce304cd | 74 | cs = 0; |
Info | 0:7a613ce304cd | 75 | spi.write(sendData2); |
Info | 0:7a613ce304cd | 76 | whoami[2] = spi.write(sendData); |
Info | 0:7a613ce304cd | 77 | whoami[0] = whoami[2]<<8; |
Info | 0:7a613ce304cd | 78 | whoami[0] = whoami[0] + spi.write(0x00)-0xE000; //get data from AD device |
Info | 0:7a613ce304cd | 79 | cs = 1; |
Info | 0:7a613ce304cd | 80 | mcugear->disconnectModule(); //disconnect--- |
Info | 0:7a613ce304cd | 81 | return whoami[0]; |
Info | 0:7a613ce304cd | 82 | |
Info | 0:7a613ce304cd | 83 | } |