gists/CosmicPiV2I2CSPItest.ino-fd4767be
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James Devine 2018-08-12 15:06:38 +02:00 committed by GitHub
parent 309120a9f4
commit aa9558e99e
1 changed files with 86 additions and 10 deletions
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96
CosmicPiV2I2CSPItest.ino
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@ -1,6 +1,6 @@
#include <SPI.h>
#include <Wire.h>
//updated to include a whole bunch of extra functions 120818
/* Cosmic Pi SPI test routines - Master version, slave is commented out below. Runs on an Arduino DUE,
Pinouts:
MOSI - MOSI
@ -36,7 +36,14 @@
11 WRITE STATUS
12 READ STATUS
13 READ ADC CH1
14 READ ADC CH2
15 WRITE PWM PERIOD MSB
16 WRITE PWM PERIOD LSB
17 READ PWM PERIOD MSB
18 READ PWM PERIOD LSB
*/
byte CMD = 1;
@ -78,14 +85,14 @@ void setup() {
//begin serial
Serial.begin(9600);
Serial.setTimeout(65535);
}
void loop() {
Serial.println("Input a command!");
Serial.println("[1= set thrshold1; 2= set threshold2, 3= set HV ch1, 4 = set HV ch2, 5 = set HV enables]");
Serial.println("[1= set thrshold1; 2= set threshold2, 3= set HV ch1, 4 = set HV ch2, 5 = set HV enables, 6= generic 2 part command, 7 = generic read]");
int cmd = readIntFromSerial();
switch (cmd) {
case 1:
@ -106,24 +113,44 @@ void loop() {
}
case 3:
{
Serial.println("Input a voltage value Ch1[1=highest,255=lowest,56=nominal]");
//MSB
Serial.println("Input a voltage value Ch1 msb[1=highest,255=lowest,56=nominal]");
int sendValue = readIntFromSerial();
//if (sendValue < HV_MAX_VAL) {
// Serial.print("HV Value is too high! Setting HV ch2 to:");
// Serial.println(HV_MAX_VAL);
//send the command code
spi_exchange(1);
spi_exchange(sendValue);
//LSB
Serial.println("Input a voltage value Ch1 LSB[1=highest,255=lowest,56=nominal]");
sendValue = readIntFromSerial();
//if (sendValue < HV_MAX_VAL) {
// Serial.print("HV Value is too high! Setting HV ch2 to:");
// Serial.println(HV_MAX_VAL);
//send the command code
spi_exchange(2);
spi_exchange(sendValue);
break;
}
case 4:
{
Serial.println("Input a voltage value Ch2[1=highest,255=lowest,56=nominal]");
//MSB
Serial.println("Input a voltage value Ch1 msb[1=highest,255=lowest,56=nominal]");
int sendValue = readIntFromSerial();
//if (sendValue < HV_MAX_VAL) {
// Serial.print("HV Value is too high! Setting HV ch2 to:");
// Serial.println(HV_MAX_VAL);
//send the command code
spi_exchange(3);
spi_exchange(sendValue);
//LSB
Serial.println("Input a voltage value Ch1 LSB[1=highest,255=lowest,56=nominal]");
sendValue = readIntFromSerial();
//if (sendValue < HV_MAX_VAL) {
// Serial.print("HV Value is too high! Setting HV ch2 to:");
// Serial.println(HV_MAX_VAL);
//send the command code
spi_exchange(4);
spi_exchange(sendValue);
break;
@ -139,6 +166,55 @@ void loop() {
spi_exchange(3);
break;
}
//generic command sender
case 6:
{
Serial.println("Input a command to send");
Serial.println(" 01 WRITE MSB(16 high bits) HV1_DUTY_CYCLE");
Serial.println(" 02 WRITE LSB(16 low bits) HV1_DUTY_CYCLE");
Serial.println(" 03 WRITE MSB(16 high bits) HV2_DUTY_CYCLE");
Serial.println(" 04 WRITE LSB(16 low bits) HV2_DUTY_CYCLE");
Serial.println(" 05 WRITE 16 bits LED_DUTY_CYCLE");
Serial.println(" 11 WRITE STATUS");
Serial.println(" 15 WRITE PWM PERIOD MSB");
Serial.println(" 16 WRITE PWM PERIOD LSB");
int sendValue = readIntFromSerial();
//if (sendValue < HV_MAX_VAL) {
// Serial.print("HV Value is too high! Setting HV ch2 to:");
// Serial.println(HV_MAX_VAL);
//send the command code
spi_exchange(sendValue);
Serial.println("Input a value to send");
sendValue = readIntFromSerial();
spi_exchange(sendValue);
break;
}
//generic command sender
case 7:
{
Serial.println("Input a value to read");
Serial.println(" 06 READ MSB(16 high bits) HV1_DUTY_CYCLE");
Serial.println(" 07 READ LSB(16 low bits) HV1_DUTY_CYCLE");
Serial.println(" 08 READ MSB(16 high bits) HV2_DUTY_CYCLE");
Serial.println(" 09 READ LSB(16 low bits) HV2_DUTY_CYCLE");
Serial.println(" 10 READ 16 bits LED_DUTY_CYCLE");
Serial.println(" 12 READ STATUS");
Serial.println(" 13 READ ADC CH1");
Serial.println(" 14 READ ADC CH2");
Serial.println(" 17 READ PWM PERIOD MSB");
Serial.println(" 18 READ PWM PERIOD LSB");
int sendValue = readIntFromSerial();
//if (sendValue < HV_MAX_VAL) {
// Serial.print("HV Value is too high! Setting HV ch2 to:");
// Serial.println(HV_MAX_VAL);
//send the command code
spi_exchange(sendValue);
spi_exchange(0); //send a null to get the value we wanted back.
break;
}
}
delay(500);
@ -159,10 +235,10 @@ int spi_exchange(int data) {
int readIntFromSerial(){
int val = Serial.parseInt();
while (val == 0){
delay(100);
val = Serial.parseInt();
}
//while (val == 0){
//delay(100);
//val = Serial.parseInt();
//}
return val;
}
@ -173,7 +249,7 @@ void DacUpd(int address, int packet1)
Wire.write(64); // cmd to update the DAC
Wire.write(packet1 >> 4); // the 8 most significant bits...
Wire.write((packet1 & 15) << 4); // the 4 least significant bits...
Wire.endTransmission();
Serial.println(Wire.endTransmission());
Serial.println("I2C send command:" + String(address) + " data:" + String(packet1));