A B
3d hall demo code, as of 02092016
Revision 0:644d21a11da3, committed 2016-09-02
- Comitter:
- adambalkan
- Date:
- Fri Sep 02 06:55:21 2016 +0000
- Commit message:
- 3d hall demo code 02092016
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/USBDevice.lib Fri Sep 02 06:55:21 2016 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/USBDevice/#5bf05f9b3c7b
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Fri Sep 02 06:55:21 2016 +0000
@@ -0,0 +1,92 @@
+#include "mbed.h"
+#include "USBSerial.h"
+
+USBSerial pc;
+
+DigitalOut ASIC_CS(P0_2);
+DigitalOut CNV_ADC(P1_26);
+
+
+
+
+
+SPI ASIC(P0_9, P0_8, P1_29);//MOSI, MISO, SCLK
+SPI ADC(P1_22, P1_21, P1_20);// MOSI, MISO, SCLK //ADC LTC2311-16
+
+
+int sixteen_bit_result;
+int ASIC_SPI_REGISTER;
+char command, p1, p2, p3, p4;
+void variable_defaults()
+{
+ ASIC_SPI_REGISTER = (0x0000);
+ ASIC_CS=1;
+ CNV_ADC=1;
+}
+
+
+int READ_ADC() // sets the value of MCP4922 DAC channel A
+{
+ int response= ADC.write(0); // write byte
+ return response;
+}
+
+
+void Send_ASIC_SPI(char to_send)
+{
+ ASIC_CS=0;
+ int junk = ASIC.write(to_send);
+ ASIC_CS=1;
+}
+
+int main() {
+ variable_defaults();
+ ASIC.format(8, 1);// the ASIC should operate in SPI mode 1
+ ADC.format(16, 2);// the ADC should operate in SPI mode 3
+
+ while(1) {
+ if (pc.readable()){
+ command = pc.getc(); // Data from PC (command)
+ p1 = pc.getc(); // Data from PC (param p1)
+ p2 = pc.getc(); // Data from PC (param p2)
+ p3 = pc.getc(); // Data from PC (param p2)
+ p4 = pc.getc(); // Data from PC (param p2)
+ int scrap = pc.getc(); // Carriage Return
+
+ if (command=='A') // update ASIC SPI REGISTER
+ {
+ ASIC_SPI_REGISTER=0x0000; //clear register
+ ASIC_SPI_REGISTER = ASIC_SPI_REGISTER|p2<<16;
+ ASIC_SPI_REGISTER = ASIC_SPI_REGISTER|p3<<8;
+ ASIC_SPI_REGISTER = ASIC_SPI_REGISTER|p4;
+ Send_ASIC_SPI((p2));
+ Send_ASIC_SPI((p3));
+ Send_ASIC_SPI((p4));
+ // pc.printf("%d\n",ASIC_SPI_REGISTER);
+ // pc.printf("%d\n",0xff&(ASIC_SPI_REGISTER>>16));
+ // pc.printf("%d\n",0xff&(ASIC_SPI_REGISTER>>8));
+ // pc.printf("%d\n",0xff&(ASIC_SPI_REGISTER));
+ }
+ else if (command=='a') // read adc value
+ {
+ pc.printf("%d,%d\n",(sixteen_bit_result>>8)&0xff,(sixteen_bit_result&0xff));
+ }
+
+ }
+ else
+ {
+ //CNV_ADC=0;
+ // wait_us(100);
+ // pc.printf("reading adc...\n");
+ //sixteen_bit_result = 0;
+ CNV_ADC=1;
+ //wait_us(1);
+ CNV_ADC=0;
+ sixteen_bit_result = ADC.write(0);
+ //wait_us(1);
+ CNV_ADC=1;
+ //ADC.format(16, 0);// the ADC should operate in SPI mode
+ }
+
+ }
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Fri Sep 02 06:55:21 2016 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/f9eeca106725 \ No newline at end of file