This Automatic mode is the most simple lib for MCU Gear with LPC1114FN28. You don't need to think about Bank.
Dependents: MCUGearALPC1114FN28
Fork of MCUGearA by
Diff: MCUGearALPC1114.cpp
- Revision:
- 2:aa2e471e8317
- Parent:
- 1:95255bae41c8
- Child:
- 3:69b10f9cdd14
diff -r 95255bae41c8 -r aa2e471e8317 MCUGearALPC1114.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/MCUGearALPC1114.cpp Sat May 03 17:09:14 2014 +0000 @@ -0,0 +1,123 @@ +/* MCU Gear Library, only for testing MCUGear without any circuit you connected. + * Copyright (c) 2013, NestEgg Inc., http://www.mcugear.com/ + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + + +#include "mbed.h" +#include "MCUGearALPC1114.h" +#include "MCUGearBaseALPC1114.h" + +MCUGear::MCUGear(PinName scl, PinName sda, char addr) + : _i2c(scl, sda) { + //_i2c.frequency(FPGA_I2C_CLOCK); + _addr = addr; //save address + write(0xff); //close Module gate + _counter = 0; +} + +void MCUGear::disconnectModule(void){ + write(0xff); //close module gate + deleteBank(0); +} + +void MCUGear::connectModuleA(void){ + int i = 0; + + //make circuit + if(_counter!=0){ + + startReg(0); + + for(i = 0; i < _counter; ++i){ + fpga_write(_mcuIO[i], _moduleIO[i]); + } + + endReg(); + + changeBank(0); + } + + write(0xf8); //1111 1000 +} + +void MCUGear::fpga_write(unsigned char adr, unsigned char data) { + char cmd[2]; + cmd[0] = adr; + cmd[1] = data; + _i2c.write(FPGA_I2C_ADR, cmd, 2); +} + +void MCUGear::startReg(char bank){ + _bank = bank; + fpga_write(0x0c,_bank); //End regist +} + +uint8_t MCUGear::setWireA(uint8_t mcuIO, uint8_t direction, uint8_t moduleIO){ + + uint8_t location = ( _pnum + moduleIO ); + + if(moduleIO >= numMaxModuleIO){ + return 255; //error + } + + if(location >= numBaseboardIO){ + location = location - numBaseboardIO; + } + + //fpga_write(mcuIO, (IO_REG_EN | (direction | (location)))); + saveWire(mcuIO, (IO_REG_EN | (direction | (location)))); + + return location; +} + +void MCUGear::saveWire(uint8_t mcuIO, uint8_t moduleIO){ + _mcuIO[_counter] = mcuIO; + _moduleIO[_counter] = moduleIO; + ++_counter; +} + +void MCUGear::endReg(void){ + fpga_write(0x10,_bank);//init regist/////// +} + + +//send I2C signal function +void MCUGear::write(uint8_t c){ + + char cmd[1]; + cmd[0] = c; + _i2c.write(_addr, cmd, 1); + +} + +////detect module +uint8_t MCUGear::detectModule(void) { + + write(0x7f); //0111 1111 //1pin GND + _pnum = fpga_read(FPGA_I2C_ADR,FPGA_DETECT);//save location + write(0xff); //1111 1111 //close + + _counter = 0; + + return _pnum; + +} +