Rivian Irvine Team
Control Code with I/O and ADC working
Revision 21:f87464a7e7c6, committed 2018-07-18
- Comitter:
- jrodenburg
- Date:
- Wed Jul 18 21:28:45 2018 +0000
- Parent:
- 20:cdeed4dad690
- Commit message:
- Code with diagnostics
Changed in this revision
diff -r cdeed4dad690 -r f87464a7e7c6 MCP23008/MCP23008.cpp
--- a/MCP23008/MCP23008.cpp Mon Jul 16 03:53:59 2018 +0000
+++ b/MCP23008/MCP23008.cpp Wed Jul 18 21:28:45 2018 +0000
@@ -28,7 +28,7 @@
addrI2C = address;
}
-void MCP23008::writeOutput(int chn1, int chn2, int chn3, int chn4){
+int MCP23008::writeOutput(int chn1, int chn2, int chn3, int chn4){
char data[2];
char data2[2];
uint8_t val = 0x00;
@@ -45,8 +45,8 @@
data2[1] = 0x00;
i2c.write((addrI2C<<1)|(I2C_WRITE), data, 2);
- i2c.write((addrI2C<<1)|(I2C_WRITE), data2, 2);
- wait(0.02);
+ return i2c.write((addrI2C<<1)|(I2C_WRITE), data2, 2);
+ //wait(0.02);
}
void MCP23008::init(){
diff -r cdeed4dad690 -r f87464a7e7c6 MCP23008/MCP23008.h
--- a/MCP23008/MCP23008.h Mon Jul 16 03:53:59 2018 +0000
+++ b/MCP23008/MCP23008.h Wed Jul 18 21:28:45 2018 +0000
@@ -1,5 +1,5 @@
#include "mbed.h"
-
+
class MCP23008 {
public:
@@ -11,41 +11,41 @@
* value that is physically set via A0, A1, and A2.
* @param freq The I2C frequency.
*/
-
+
MCP23008(PinName sda, PinName scl, uint8_t address, int freq);
-
+
/** Setup the port direction of each of the pins
*
*/
-
+
void init();
-
-
+
+
/** Write to the output pins.
*
* This function is used to set output pins on or off.
*
* @param val The GPIO channels to turn on
*/
-
- void writeOutput(int chn1, int chn2, int chn3, int chn4);
-
-
+
+ int writeOutput(int chn1, int chn2, int chn3, int chn4);
+
+
/** Sets I2C address
*
* This function is used to set the I2C address
*
* @param address The I2C address
*/
-
+
void setAddress(int address);
-
+
private:
I2C i2c;
-
- uint8_t addrI2C;
-
+
+ uint8_t addrI2C;
+
uint8_t GPIO_Pin_Status;
};
-
+
diff -r cdeed4dad690 -r f87464a7e7c6 main.cpp
--- a/main.cpp Mon Jul 16 03:53:59 2018 +0000
+++ b/main.cpp Wed Jul 18 21:28:45 2018 +0000
@@ -1,5 +1,6 @@
// MBED SCRIPT FOR CONTROLLING THE TEMPERATURE CONTROLLED TEST FIXTURE (TCTF)
// DATE: SEPTEMBER 2017
+//CHANGE THE PYTHON CODE TO REFLECT ERROR STATE ENTERED
#include "mbed.h"
#include "MODSERIAL.h"
@@ -23,39 +24,32 @@
#define IO_I2C_LINE 1
#define ADC_I2C_LINE 2
-
#define CHAN_COUNT 8
+#define ERROR_COUNT 6
#define MIN_TEMP 10
#define MAX_TEMP 65
-#define MEGA_MAX_TEMP 75
#define TEMP_MARGIN 10
#define HYST_LOW 0.3
#define HYST_HIGH 1
-#define SAMPLES 5
-#define I2C_Freq 2000
-#define VALVE 1
-#define HEATER 2
+#define VALVE_ON 1
+#define HEATER_ON 2
#define GREEN_STATUS_ON 3
-#define RED_STATUS_ON 0
-#define ERROR_STATUS_ON 1
-#define STATUS_OFF 4
+#define RED_STATUS_ON 4
+#define ERROR_STATUS_ON 5
+#define ALL_OFF 6
#define sizeLUT 34
#define BACK_THERM 0
#define FRONT_THERM 1
#define HEAT_FET_AMP 2
#define VALVE_FET_AMP 3
-#define FET_ON_CURRENT 1.12
-#define ROOM_TEMP 22
-#define MAX_HEATER_ON_TIME 25
-#define MAX_CHILL_TIME 10 //10sec
-#define MIN_ERROR_CNT_1 4 //ALL SAFETY RELATEDD CHECKS
-#define MIN_ERROR_CNT_2 600 //PEFORMANCE TIME (HAVE TO GIVE FIXTURE TIME TO SETTLE)
-#define MIN_ERROR_CNT_3 60
#define NUM_EMAIL_SEND 2
#define STATUS_COOLING 1
#define STATUS_HEATING 2
#define STATUS_INACTIVE 3
#define STATUS_STANDBY 4
+#define MIN_AD_COUNT 10428 //65C
+#define MAX_AD_COUNT 49169 //10C
+#define MAX_TIME_TO_SP 60 //allow 60 minutes for channel to reach set point
#define READ_TEMP_TASK_TIME .300f //300ms to read one A/D value
#define I2C_READ_WAIT_TIME 0.08f
@@ -78,8 +72,22 @@
#define FW_VERSION_DATA 0xD3
#define ERROR_DATA 0xDF
+// Defines for errors
+#define ERR_OVER_TEMP 0
+#define ERR_UNDER_TEMP 1
+#define ERR_TEMP_DIFF 2
+#define ERR_ACK_LTC 3
+#define ERR_ACK_MCP 4
+#define ERR_SP_TIME 5
+#define MAX_ERROR_CNT 8
-const char FW_Version[8] = "V0.01C";
+#define PRINT_ERROR_CHECK_VALS 0
+#define PRINT_ERRORS 0
+
+
+
+
+const char FW_Version[8] = "V0.01D";
unsigned int chanSel_SendTemp = 0;
unsigned int chanSel_SetTemp = 0;
// Default to chan 0
@@ -89,7 +97,7 @@
bool newTempData = false;
bool newTempDataAvailable = false;
unsigned int UID_print_count = 0;
-unsigned int debug_control = 0x2;
+unsigned int debug_control = 0x80;
//***********************************************
// Timers
@@ -99,6 +107,7 @@
Ticker readThermistorTicker;
Ticker frontTempInProgTicker;
Ticker backTempInProgTicker;
+Ticker setPointTimeTicker;
//***********************************************
// LEDs
@@ -200,21 +209,23 @@
struct CHNL_DATA{
bool status;
float setTemp;
- int error;
+ bool error;
int state;
- int errorEmailSent;
- int i2cRxed;
+ int LTCi2cAckRxed;
+ int MCPi2cAckRxed;
+ bool SPReached;
+ int SPTime;
};
CHNL_DATA chnlStatus[] = {
- {0, NULL, 0, 0, 0, 1},
- {0, NULL, 0, 0, 0, 1},
- {0, NULL, 0, 0, 0, 1},
- {0, NULL, 0, 0, 0, 1},
- {0, NULL, 0, 0, 0, 1},
- {0, NULL, 0, 0, 0, 1},
- {0, NULL, 0, 0, 0, 1},
- {0, NULL, 0, 0, 0, 1}
+ {0, NULL, false, 0, 0, 0, false, 0},
+ {0, NULL, false, 0, 0, 0, false, 0},
+ {0, NULL, false, 0, 0, 0, false, 0},
+ {0, NULL, false, 0, 0, 0, false, 0},
+ {0, NULL, false, 0, 0, 0, false, 0},
+ {0, NULL, false, 0, 0, 0, false, 0},
+ {0, NULL, false, 0, 0, 0, false, 0},
+ {0, NULL, false, 0, 0, 0, false, 0}
};
@@ -282,6 +293,8 @@
//TCTF CHANNEL TEMPERATURE
typedef struct{
+ float currADCFront;
+ float currADCBack;
float currTempFront;
float currTempBack;
}CHNL_TEMP;
@@ -307,6 +320,39 @@
int chnlSel;
bool standbyLED[CHAN_COUNT] = {false,false,false,false,false,false,false,false};
+int errorCount[CHAN_COUNT][ERROR_COUNT] =
+ {
+ {0,0,0,0,0,0},
+ {0,0,0,0,0,0},
+ {0,0,0,0,0,0},
+ {0,0,0,0,0,0},
+ {0,0,0,0,0,0},
+ {0,0,0,0,0,0},
+ {0,0,0,0,0,0},
+ {0,0,0,0,0,0}
+ };
+
+int errorEmailSent[CHAN_COUNT][ERROR_COUNT] =
+ {
+ {0,0,0,0,0,0},
+ {0,0,0,0,0,0},
+ {0,0,0,0,0,0},
+ {0,0,0,0,0,0},
+ {0,0,0,0,0,0},
+ {0,0,0,0,0,0},
+ {0,0,0,0,0,0},
+ {0,0,0,0,0,0}
+ };
+
+void resetErrorCount(){
+ for(int i = 0; i < CHAN_COUNT; i++){
+ for(int i = 0; i < ERROR_COUNT; i++){
+ errorCount[CHAN_COUNT][ERROR_COUNT] = 0;
+ errorEmailSent[CHAN_COUNT][ERROR_COUNT] = 0;
+ }
+ }
+}
+
/* Function: turnOffChannel
**************************************************************
Description: Turns off a channel
@@ -393,14 +439,20 @@
pc.printf("DBG: Error\n");
}
else {
- chanSel_SetTemp = pRxPkt->chanID;
- chnlStatus[pRxPkt->chanID].status = pRxPkt->chanStat;
- chnlStatus[pRxPkt->chanID].state = STATUS_INACTIVE;
- chnlStatus[pRxPkt->chanID].setTemp = pRxPkt->setTemp;
- chnlStatus[pRxPkt->chanID].error = 0;
- chnlStatus[pRxPkt->chanID].errorEmailSent = 0;
- chnlStatus[pRxPkt->chanID].i2cRxed = 0;
- newTempSet = true;
+ if((pRxPkt->setTemp < MAX_TEMP) && (pRxPkt->setTemp > MIN_TEMP)){
+ chanSel_SetTemp = pRxPkt->chanID;
+ chnlStatus[pRxPkt->chanID].status = pRxPkt->chanStat;
+ chnlStatus[pRxPkt->chanID].state = STATUS_INACTIVE;
+ chnlStatus[pRxPkt->chanID].setTemp = pRxPkt->setTemp;
+ chnlStatus[pRxPkt->chanID].error = false;
+ chnlStatus[pRxPkt->chanID].LTCi2cAckRxed = 0;
+ chnlStatus[pRxPkt->chanID].MCPi2cAckRxed = 0;
+ chnlStatus[pRxPkt->chanID].SPReached = false;
+ chnlStatus[pRxPkt->chanID].SPTime = 0;
+ memset(errorCount[pRxPkt->chanID], 0, sizeof(int)*ERROR_COUNT);
+ memset(errorEmailSent[pRxPkt->chanID], 0, sizeof(int)*ERROR_COUNT);
+ newTempSet = true;
+ }
}
}
break;
@@ -502,22 +554,24 @@
readThermistorTicker.detach();
//Write to all 8 channels selecting the front port to read
for(int chnl = 0; chnl < CHAN_COUNT; chnl++){
- chnlStatus[chnl].i2cRxed = 0;
+ chnlStatus[chnl].LTCi2cAckRxed = 0;
ltc2487.setAddress(addrLUT[chnl].adc);
//Check if write was ack'ed (0 = ACK, (non)0 = NACK)
- chnlStatus[chnl].i2cRxed = !ltc2487.writePort(FRONT_THERM);
+ chnlStatus[chnl].LTCi2cAckRxed = !ltc2487.writePort(FRONT_THERM);
}
//wait until next clock cycle on LTC
//wait(I2C_READ_WAIT_TIME);
frontTempInProgTicker.attach(&update_front_temp_data, I2C_READ_WAIT_TIME);
}
-void update_front_temp_data()
-{
+void update_front_temp_data(){
+ float countVal;
frontTempInProgTicker.detach();
for(int chnl = 0; chnl < CHAN_COUNT; chnl++){
ltc2487.setAddress(addrLUT[chnl].adc);
- channelTempData[chnl].currTempFront = get_temp(ltc2487.read());
+ countVal = ltc2487.read();
+ channelTempData[chnl].currADCFront = countVal;
+ channelTempData[chnl].currTempFront = get_temp(countVal);
}
//wait until next clock cycle on LTC
//wait(0.08);
@@ -537,10 +591,10 @@
frontTempDoneTicker.detach();
//Write to all 8 channels selecting the front port to read
for(int chnl = 0; chnl < CHAN_COUNT; chnl++){
- chnlStatus[chnl].i2cRxed = 0;
+ chnlStatus[chnl].LTCi2cAckRxed = 0;
ltc2487.setAddress(addrLUT[chnl].adc);
//Check if write was ack'ed (0 = ACK, (non)0 = NACK)
- chnlStatus[chnl].i2cRxed = !ltc2487.writePort(BACK_THERM);
+ chnlStatus[chnl].LTCi2cAckRxed = !ltc2487.writePort(BACK_THERM);
}
//wait until next clock cycle on LTC
@@ -548,12 +602,14 @@
backTempInProgTicker.attach(&update_back_temp_data, I2C_READ_WAIT_TIME);
}
-void update_back_temp_data()
-{
+void update_back_temp_data(){
+ float countVal;
backTempInProgTicker.detach();
for(int chnl = 0; chnl < CHAN_COUNT; chnl++){
ltc2487.setAddress(addrLUT[chnl].adc);
- channelTempData[chnl].currTempBack = get_temp(ltc2487.read());
+ countVal = ltc2487.read();
+ channelTempData[chnl].currADCBack = countVal;
+ channelTempData[chnl].currTempBack = get_temp(countVal);
}
//wait until next clock cycle on LTC
//wait(0.08);
@@ -605,132 +661,73 @@
wait(0.08);
}
-/* Function: turn_valve_on
- **************************************************************
- Description: Turn valve on and green status LED on
- Receives: chn: the channel of the fixture
- Returns: N/A
-*/
-
-void turn_valve_on(int chn){
- io_control.setAddress(addrLUT[chn].io);
- io_control.init();
- io_control.writeOutput(1,0,1,0);
-}
-
-/* Function: turn_valve_off
- **************************************************************
- Description: Turn valve off and green status LED on
- Receives: chn: the channel of the fixture
- Returns: N/A
-*/
-
-void turn_valve_off(int chn){
- io_control.setAddress(addrLUT[chn].io);
- io_control.init();
- io_control.writeOutput(0,0,1,0);
-}
-
-/* Function: turn_heater_on
+/* Function: MCP_Control
**************************************************************
- Description: Turn heater on and green status LED on
- Receives: chn: the channel of the fixture
- Returns: N/A
-*/
-
-void turn_heater_on(int chn){
- io_control.setAddress(addrLUT[chn].io);
- io_control.init();
- io_control.writeOutput(0,1,1,0);
-}
-
-/* Function: turn_heater_off
- **************************************************************
- Description: Turn heater off and green status LED on
- Receives: chn: the channel of the fixture
- Returns: N/A
-*/
-
-void turn_heater_off(int chn){
- io_control.setAddress(addrLUT[chn].io);
- io_control.init();
- io_control.writeOutput(0,0,1,0);
-}
-
-/* Function: status_led
- **************************************************************
- Description: Turn status LED on (turns on green or red)
+ Description: Controls valves/status LEDs
Receives: chn: the channel of the fixture
status: the status of channel (good (1) or bad (0))
Returns: N/A
*/
-void status_led(int chn, int status){
+void Chn_Control(int chn, int status){
+ //writeOutput(VALVE, HEATER, GREEN STATUS LED, RED STATUS LED)
+ pc.printf("[%i] CHANNEL CONTROL \r\n", chn);
+ if(status == VALVE_ON){
+ //valve ON, heater OFF, green status LED ON, red status led OFF
+ if(debug_control & LED_PRINT) pc.printf("VALVE ON %d \r\n", chn);
+ io_control.setAddress(addrLUT[chn].io);
+ io_control.init();
+ chnlStatus[chn].MCPi2cAckRxed = 0;
+ //Check if write was ack'ed (0 = ACK, (non)0 = NACK)
+ chnlStatus[chn].MCPi2cAckRxed = !io_control.writeOutput(1,0,1,0);
+ }
+ if(status == HEATER_ON){
+ //valve ON, heater ON, green status LED ON, red status led OFF
+ if(debug_control & LED_PRINT) pc.printf("HEATER ON %d \r\n", chn);
+ io_control.setAddress(addrLUT[chn].io);
+ io_control.init();
+ chnlStatus[chn].MCPi2cAckRxed = 0;
+ //Check if write was ack'ed (0 = ACK, (non)0 = NACK)
+ chnlStatus[chn].MCPi2cAckRxed = !io_control.writeOutput(0,1,1,0);
+ }
if(status == GREEN_STATUS_ON){
- //green LED
+ //valve OFF, heater OFF, green status LED ON, red status led OFF
if(debug_control & LED_PRINT) pc.printf("GREEN LED %d \r\n", chn);
io_control.setAddress(addrLUT[chn].io);
io_control.init();
- io_control.writeOutput(0,0,1,0);
+ chnlStatus[chn].MCPi2cAckRxed = 0;
+ //Check if write was ack'ed (0 = ACK, (non)0 = NACK)
+ chnlStatus[chn].MCPi2cAckRxed = !io_control.writeOutput(0,0,1,0);
}
if(status == RED_STATUS_ON){
- //red LED
+ //valve OFF, heater OFF, green status LED OFF, red status led ON
if(debug_control & LED_PRINT) pc.printf("RED LED %d \r\n", chn);
io_control.setAddress(addrLUT[chn].io);
io_control.init();
- io_control.writeOutput(0,0,0,1);
+ chnlStatus[chn].MCPi2cAckRxed = 0;
+ //Check if write was ack'ed (0 = ACK, (non)0 = NACK)
+ chnlStatus[chn].MCPi2cAckRxed = !io_control.writeOutput(0,0,0,1);
}
if(status == ERROR_STATUS_ON){
- //turn valve on too
+ //valve ON, heater OFF, green status LED OFF, red status led ON
if(debug_control & LED_PRINT) pc.printf("RED AND BLUE LED %d \r\n", chn);
io_control.setAddress(addrLUT[chn].io);
io_control.init();
- io_control.writeOutput(1,0,0,1);
+ chnlStatus[chn].MCPi2cAckRxed = 0;
+ //Check if write was ack'ed (0 = ACK, (non)0 = NACK)
+ chnlStatus[chn].MCPi2cAckRxed = !io_control.writeOutput(1,0,0,1);
}
- if(status == STATUS_OFF){
- //turn valve on too
- if(debug_control & LED_PRINT) pc.printf("ALL OFF %d \r\n", chn);
+ if(status == ALL_OFF){
+ //valve OFF, heater OFF, green status LED OFF, red status led OFF
+ if(debug_control & LED_PRINT) pc.printf("ALL OFF %d \r\n", chn);
io_control.setAddress(addrLUT[chn].io);
io_control.init();
- io_control.writeOutput(0,0,0,0);
+ chnlStatus[chn].MCPi2cAckRxed = 0;
+ //Check if write was ack'ed (0 = ACK, (non)0 = NACK)
+ chnlStatus[chn].MCPi2cAckRxed = !io_control.writeOutput(0,0,0,0);
}
}
-/* Function: test_mcp23008
- **************************************************************
- Description: Test each output of the MCP23009
- Receives: N/A
- Returns: N/A
-*/
-
-void test_mcp23008(int chn){
- turn_valve_on(chn);
- wait(0.5);
- turn_valve_off(chn);
- wait(0.5);
- turn_heater_on(chn);
- wait(0.5);
- turn_heater_off(chn);
- wait(0.5);
- status_led(chn, 0);
- wait(0.5);
- status_led(chn, 1);
-}
-
-/* Function: test_ltc2487
- **************************************************************
- Description: Test the reading from LTC2487
- Receives: N/A
- Returns: N/A
-*/
-
-void test_ltc2487(){
- for(int chnl = 0; chnl < CHAN_COUNT; chnl++){
- float frontTemp = channelTempData[chnl].currTempFront;
- float backTemp = channelTempData[chnl].currTempBack;
- pc.printf("TEMPERATURE READING [%i]:: BACK: %f FRONT: %f \r\n", chnl, backTemp, frontTemp);
- }
-}
//***************************************************************
// Build packet with temperature readings to send to GUI
@@ -829,9 +826,6 @@
unsigned char *ptr = (unsigned char *)&response;
int i;
- if(chnlStatus[chan].errorEmailSent >= NUM_EMAIL_SEND)
- return;
-
response.SOF_flag = TX_SOF;
response.cmd_type = ERROR_DATA;
response.len = 13;
@@ -846,7 +840,6 @@
pc.printf("%02x", *ptr);
pc.printf("\n");
- chnlStatus[chan].errorEmailSent++;
}
/* Function: toggleI2C
@@ -888,9 +881,58 @@
}
+/* Function: sendErrorEmail
+ **************************************************************
+ Description: sends error email
+ Receives: chn: channel to check error on
+ Returns: N/A
+*/
+
+void sendErrorEmail(int chn){
+ int error;
+
+ for (error=0; error < ERROR_COUNT; error++){
+ if((errorCount[chn][error] == MAX_ERROR_CNT) && (!errorEmailSent[chn][error])){
+ sendError(chn, error);
+ errorEmailSent[chn][error] = 1;
+ }
+ }
+}
+
+/* Function: errorCheck
+ **************************************************************
+ Description: Updates error count for the channel
+ Receives: chn: channel to update
+ errorFlag: if the error was encountered
+ errorNum: number of error encountered
+ Returns: N/A
+*/
+
+void errorCheck(int chn, bool errorFlag, int errorNum){
+ if(errorFlag){
+ if(errorCount[chn][errorNum] < MAX_ERROR_CNT){
+ //increase error count
+ errorCount[chn][errorNum]++;
+ pc.printf("[%i] ERROR ENCOUNTERED: %i %i \r\n", chn, errorNum, errorCount[chn][errorNum]);
+ }
+ else{
+ //this is an error, set error flag
+ chnlStatus[chn].error = true;
+ //pc.printf("[%i] ERROR FLAGGED: %i %i\r\n", chn, errorNum, errorCount[chn][errorNum]);
+ }
+ }
+ else{
+ if(errorCount[chn][errorNum] > 0){
+ //decrease error count
+ errorCount[chn][errorNum]--;
+ }
+ //pc.printf("[%i] NO ERROR FLAGGED: %i \r\n\n", chn, errorNum);
+ }
+}
+
/* Function: softwareReset
**************************************************************
- Description: soft Reset
+ Description: soft reset
Recieves: N/A
Returns: N/A
*/
@@ -900,6 +942,28 @@
for(;;){}
}
+/* Function: SP_Time_Check
+ **************************************************************
+ Description: Reset the SP time for each channel every minute
+ (minutes since SP has been set and SP hasn't been reach)
+ Recieves: N/A
+ Returns: N/A
+*/
+
+void SP_Time_Check(){
+ int chan;
+
+ for (chan=0; chan < CHAN_COUNT; chan++){
+ if(chnlStatus[chan].status == 1){
+ if(!chnlStatus[chan].SPReached){
+ if(chnlStatus[chan].SPTime != MAX_TIME_TO_SP){
+ chnlStatus[chan].SPTime++;
+ }
+ }
+ }
+ }
+}
+
/* Function: read I2C Line
**************************************************************
Description: Read the I2C line to check if pulled high
@@ -926,113 +990,11 @@
return 0;
}
-/* Function: error_check
- **************************************************************
- Description: Checks for any system errors
- Recieves: frontTemp: temp. of front thermistor
- backTemp: temp. of back thermistor
- currTimeMin: currentTime in minutes
- ioSDA: voltage on the SDA line
- adcSDA: voltage on the SDA line
- Returns: N/A
-*/
-
-int error_check(int chnl, float currentTempFront, float currentTempBack, int currTimeMin, int ioSDA, int adcSDA){
- //check if the thermistors are disconnected
- if((currentTempFront == 0) || (currentTempBack == 0)){
- if(chnlStatus[chnl].error >= MIN_ERROR_CNT_1){
- sendError(chnl, 2);
- status_led(chnl, RED_STATUS_ON);
- }
- else{
- chnlStatus[chnl].error++;
- }
- if(debug_control & ERROR_PRINT) pc.printf("DBG: [%d] ERROR 2 \r\n", chnl);
- return 1;
- }
- //check if the channels are disconnected
- if(currentTempBack == currentTempFront){
- if(chnlStatus[chnl].error >= MIN_ERROR_CNT_1){
- sendError(chnl, 8);
- status_led(chnl, RED_STATUS_ON);
- }
- else{
- chnlStatus[chnl].error++;
- }
- if(debug_control & ERROR_PRINT) pc.printf("DBG: [%d] ERROR 2A \r\n", chnl);
- return 1;
- }
-
- //check if there is a temperature difference |b| front and back
- if((abs(currentTempBack - currentTempFront) >= TEMP_MARGIN)){
- if(chnlStatus[chnl].error >= MIN_ERROR_CNT_2){
- sendError(chnl, 3);
- status_led(chnl, RED_STATUS_ON);
- }
- else{
- chnlStatus[chnl].error++;
- }
- if(debug_control & ERROR_PRINT) pc.printf("DBG: [%d] ERROR 3 \r\n", chnl);
- return 1;
- }
- //check if channels are over the MAX temperature
- if((currentTempFront >= MAX_TEMP) || (currentTempBack >= MAX_TEMP)){
- //if fixture over 65C for more than ~60s
- if(chnlStatus[chnl].error >= MIN_ERROR_CNT_3){
- sendError(chnl, 1);
- status_led(chnl, RED_STATUS_ON);
- if(debug_control & ERROR_PRINT) pc.printf("DBG: [%d] ERROR 1 SOFTWARE RESET %d \r\n", chnl, chnlStatus[chnl].error);
- softwareReset();
- }
- //if fixture over 65C for more than ~1s
- else if(chnlStatus[chnl].error >= MIN_ERROR_CNT_1){
- sendError(chnl, 1);
- status_led(chnl, RED_STATUS_ON);
- if(debug_control & ERROR_PRINT) pc.printf("DBG: [%d] ERROR 1.9 SOFTWARE RESET %d \r\n", chnl, chnlStatus[chnl].error);
- chnlStatus[chnl].error++;
- }
- else{
- chnlStatus[chnl].error++;
- }
- if(debug_control & ERROR_PRINT) pc.printf("DBG: [%d] ERROR 1 \r\n", chnl);
- return 1;
- }
- //check if the valves are stuck open
- if(((currentTempFront <= MIN_TEMP) && (currentTempBack <= MIN_TEMP))){
- if(chnlStatus[chnl].error >= MIN_ERROR_CNT_1){
- sendError(chnl, 4);
- status_led(chnl, RED_STATUS_ON );
- }
- else{
- chnlStatus[chnl].error++;
- }
- if(debug_control & ERROR_PRINT) pc.printf("DBG: [%d] ERROR 4 \r\n", chnl);
- return 1;
- }
-
- //check that the SDA lines aren't stuck low
- if((ioSDA != 1) || (adcSDA != 1)){
- if(chnlStatus[chnl].error >= MIN_ERROR_CNT_1){
- sendError(chnl, 6);
- status_led(chnl, RED_STATUS_ON );
- softwareReset();
- }
- else{
- toggleI2C();
- chnlStatus[chnl].error++;
- }
- if(debug_control & ERROR_PRINT) pc.printf("DBG: [%d] ERROR 6 \r\n", chnl);
- return 1;
- }
- //no errors
- return 0;
-}
-
/* Function: systemLogic
**************************************************************
- Description: Checks for any system errors
- Receives: Channel to modify
+ Description: Sets setting for fixture needed to maintain temperature at SP
+ Receives: N/A
Returns: N/A
*/
@@ -1061,6 +1023,7 @@
}
else{
//FIXTURE STANDBY
+ pc.printf("FIXTURE IN STANDBY \r\n");
chnlStatus[chan].state = STATUS_STANDBY;
}
}
@@ -1069,48 +1032,124 @@
/* Function: systemControl
**************************************************************
- Description: Checks for any system errors
- Receives: chn: Channel to modify
+ Description: Changes fixture setting in accordance to logic set in systemLOGIC function
+ Receives: N/A
Returns: N/A
*/
void systemControl()
{
int chan;
-
+
for (chan=0; chan < CHAN_COUNT; chan++){
- if(chnlStatus[chan].status == 1){
- if(chnlStatus[chan].state == STATUS_COOLING){
- //TURN COOLING ON
- turn_valve_on(chan);
- }
- else if(chnlStatus[chan].state == STATUS_HEATING){
- //TURN HEATER ON
- turn_heater_off(chan);
- turn_heater_on(chan);
- }
- else{
- //FIXTURE INACTIVE
- status_led(chan, GREEN_STATUS_ON );
+ pc.printf("[%i] CHANNEL ERRORS: %d \r\n", chan, chnlStatus[chan].error);
+ if(!chnlStatus[chan].error){
+ //pc.printf("[%i] CHANNEL NO ERRORS \r\n", chan);
+ if(errorCount[chan][ERR_ACK_LTC] == 0){
+ if(chnlStatus[chan].state == STATUS_INACTIVE){
+ //FIXTURE INACTIVE
+ Chn_Control(chan, GREEN_STATUS_ON);
+ //SP reached
+ chnlStatus[chan].SPReached = true;
+ }
+ else if(chnlStatus[chan].state == STATUS_COOLING){
+ //TURN COOLING ON
+ Chn_Control(chan, VALVE_ON);
+ }
+ else if(chnlStatus[chan].state == STATUS_HEATING){
+ //TURN HEATER ON (have to toggle bc of charge pump in circuit)
+ Chn_Control(chan, GREEN_STATUS_ON); //turn heater off
+ Chn_Control(chan, HEATER_ON);
+ }
+ else if(chnlStatus[chan].state == STATUS_STANDBY){
+ //FIXTURE IN STANDBY (i.e. off)
+ if(standbyLED[chan]){
+ Chn_Control(chan, GREEN_STATUS_ON);
+ standbyLED[chan] = !standbyLED[chan];
+ }
+ else{
+ Chn_Control(chan, ALL_OFF);
+ standbyLED[chan] = !standbyLED[chan];
+ }
+ }
}
}
- else
- {
- //FIXTURE INACTIVE
- if(standbyLED[chan]){
- status_led(chan, GREEN_STATUS_ON);
- standbyLED[chan] = !standbyLED[chan];
- }
- else{
- status_led(chan, STATUS_OFF);
- standbyLED[chan] = !standbyLED[chan];
- }
+ else{
+ sendErrorEmail(chan);
}
}
}
-void systemDiagnostic()
-{
+/* Function: systemDiagnostic
+ **************************************************************
+ Description: Checks for any system errors
+ Receives: chn: Channel to modify
+ Returns: N/A
+*/
+
+void systemDiagnostic(){
+ int chan;
+ float backCount;
+ float frontCount;
+ float backTemp;
+ float frontTemp;
+ bool errorFlag;
+ float tempDiff;
+ int LTC_Ack;
+ int MCP_Ack;
+ int timeToSP;
+ bool reachedSP;
+
+ for (chan=0; chan < CHAN_COUNT; chan++){
+ backCount = channelTempData[chan].currADCBack;
+ frontCount = channelTempData[chan].currADCFront;
+ frontTemp = channelTempData[chan].currTempFront;
+ backTemp = channelTempData[chan].currTempBack;
+ LTC_Ack = chnlStatus[chan].LTCi2cAckRxed;
+ MCP_Ack = chnlStatus[chan].MCPi2cAckRxed;
+ timeToSP = chnlStatus[chan].SPTime;
+ reachedSP = chnlStatus[chan].SPReached;
+
+ if(PRINT_ERROR_CHECK_VALS){
+ pc.printf("BAKC COUNT: %f \r\n", backCount);
+ pc.printf("FRONT COUNT: %f \r\n", frontCount);
+ pc.printf("TEMP DIFF: %f \r\n", abs(frontTemp-backTemp));
+ pc.printf("LTC ACK: %f \r\n", LTC_Ack);
+ pc.printf("MCP ACK: %f \r\n", MCP_Ack);
+ }
+
+ //Check if the ADC temperature is too high (low ADC count)
+ errorFlag = false;
+ if((backCount < MIN_AD_COUNT) || (frontCount < MIN_AD_COUNT)) errorFlag = true;
+ errorCheck(chan, errorFlag, ERR_OVER_TEMP);
+
+ //Check if the ADC temperature is too low (high ADC count), valve stuck on
+ errorFlag = false;
+ if((backCount > MAX_AD_COUNT) || (frontCount > MAX_AD_COUNT)) errorFlag = true;
+ errorCheck(chan, errorFlag, ERR_UNDER_TEMP);
+
+ //Check for a substantial temp. diff. |b| the front & back of the fixture
+ errorFlag = false;
+ tempDiff = abs(frontTemp-backTemp);
+ if(tempDiff > TEMP_MARGIN) errorFlag = true;
+ errorCheck(chan, errorFlag, ERR_TEMP_DIFF);
+
+ //Check for ACK from the LTC2487 chip (temperature reading)
+ errorFlag = false;
+ if(!LTC_Ack) errorFlag = true;
+ errorCheck(chan, errorFlag, ERR_ACK_LTC);
+
+ //Check for ACK from the MCP23008 chip (valve/heater controller)
+ /*errorFlag = false;
+ if(!MCP_Ack) errorFlag = true;
+ errorCheck(chan, errorFlag, ERR_ACK_MCP);*/
+
+ //Check if the fixture has not reached SP in X amount of time
+ errorFlag = false;
+ if(!reachedSP && (timeToSP == MAX_TIME_TO_SP)) errorFlag = true;
+ errorCheck(chan, errorFlag, ERR_SP_TIME);
+
+ }
}
/*************************************************************/
@@ -1123,14 +1162,17 @@
// Look for RX_EOF
uint32_t UIDMH, UIDML, UIDL;
int UID_print_count = 0;
+ //resetErrorCount();
//*********************************
// Initial thermistors readings
- // Kick off temperature reding
+ // Kick of SP time updates
+ // Kick off temperature reading
// state machine
//*********************************
readThermistorTicker.attach(&read_front_temp_data, .0001);
+ //setPointTimeTicker.attach(&SP_Time_Check, 60);
pc.baud(9600);
pc.autoDetectChar(RX_EOF);
@@ -1149,6 +1191,7 @@
//*********************************
// Process Rx UART data from GUI
//*********************************
+ //pc.printf("LOOP \r\n");
if (dataReceived)
{
dataReceived = false;
@@ -1187,5 +1230,4 @@
newTempDataAvailable = false;
}
}
-
-}
+}
\ No newline at end of file