DA module library for MCU Gear with LPC1114FN28. This library contains wiring setting function.
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DAmoduleLPC1114
This library is for MCU Gear 12bit DA module with LPC1114FN28. You do not need thik about wiring to DA module. It contain wiring setting function.
How to use it?
include
#include "mbed.h" #include "MCUGearBaseALPC1114.h" #include "MCUGearALPC1114.h" #include "commonALPC1114.h" #include "DAmoduleLPC1114.h"
You need SPI bus, cs pin, dout1 pin and I2C bus.
bus
SPI spi(dp2, dp1, dp6); // mosi, miso, sclk DigitalOut cs(dp25); //for SPI communications DigitalOut Dout1(dp26);
make MCU Gear instance.
MCU Gear instance
MCUGear DAM(dp5, dp27, N_SCL_SCL_SCL); //DA Module
make DAmodule instance.
DAmodule instance
DAM.detectModule(); //save location data in MCUGear class. DAmodule myDA(spi,dp25,dp26,&DAM); //make instance for DA module
There are 2 type of DA function. These are same operation,
1, separately connect (you can check the operation separately.)
1, separately connect
myDA.initDA(&DAM); DAM.connectModuleA(); myDA.writeDAm(&DAM, data); DAM.disconnectModule();
2, automatically connect (same as separately connect )
1, manually connect
myDA.writeDAa(&DAM, data);
The sample progarm is here.
sample
#include "mbed.h" #include "MCUGearBaseALPC1114.h" #include "MCUGearALPC1114.h" #include "commonALPC1114.h" #include "DAmoduleLPC1114.h" Serial pc(dp16, dp15); // tx, rx SPI spi(dp2, dp1, dp6); // mosi, miso, sclk DigitalOut cs(dp25); //for SPI communications MCUGear DAM(dp5, dp27, N_SCL_SCL_SCL); //DA Module //output pins = P0_3, P0_7, P0_11, P1_0, P1_1, P1_2, P1_4, P1_5 DigitalOut Dout1(dp26); DigitalOut Dout2(dp28); DigitalOut Dout3(dp4); DigitalOut Dout4(dp9); DigitalOut Dout5(dp10); DigitalOut Dout6(dp11); DigitalOut Dout7(dp14); DigitalOut Dout8(dp15); //inputpins = P1_8, P1_9 DigitalIn Din1(dp17); DigitalIn Din2(dp18); int main() { pc.printf("Hello World!\r\n"); wait(1); initBase(); //initialize Baseboard DAM.detectModule(); //save location data in MCUGear class. DAmodule myDA(spi,dp25,dp26,&DAM); //make instance for DA module int data = 0x00; int pm = 1; while(1) { //manually connect /* myDA.initDA(&DAM); DAM.connectModuleA(); myDA.writeDAm(&DAM, data); DAM.disconnectModule(); */ //automatically connect myDA.writeDAa(&DAM, data); //automatically initDA(), connectA() and disconnect() data = data + 10 * pm; wait(0.001); if(data > 0xfff){ data = 0xfff; pm = -1; }else if(data < 0){ data = 0; pm = 1; } } }