SmartCharge
single current only
Diff: main.cpp
- Revision:
- 1:31e63b43238f
- Parent:
- 0:0ba5f6ec8fa5
- Child:
- 2:156af70e6f15
--- a/main.cpp Tue Jan 24 13:32:57 2017 +0000
+++ b/main.cpp Thu Jan 26 12:08:23 2017 +0000
@@ -1,5 +1,14 @@
-// Copyright (c) 2017 Smartcharge Ltd
-
+//////////////////////////////////////////
+// Copyright (c) 2017 Smartcharge Ltd //
+//////////////////////////////////////////
+// >>CONVEX 2017rev1 build<< //
+// MAIN FEATURES: //
+// - watchdog //
+// - 3 sec reset button //
+// - 32/16 Amp Charging //
+// - 9V & 6V timers not applied //
+// in this revision, line 315&325 //
+//////////////////////////////////////////
#include "mbed.h"
#include "Watchdog.h"
@@ -41,7 +50,7 @@
// * Variables and constants to set the charging current *
// ************************************************************
#define UPPER_CURRENT 32 // Sets the upper current value desired.
-#define LOWER_CURRENT 16 // Sets the lower current value desired.
+#define LOWER_CURRENT 16 // Sets the lower current value desired.
float pwm_duty_high = 1.0-((UPPER_CURRENT / 30.0) * 0.5); // Calculates the pwm duty cycle for the desired upper current.
float pwm_duty_low = 1.0-((LOWER_CURRENT / 30.0) * 0.5); // Calculates the pwm duty cycle for the desired lower current.
bool use_upper_current = false;
@@ -50,14 +59,14 @@
// * Variables and constants to allow state changes *
// ************************************************************
unsigned char control_pilot;
-#define PILOT_NOK 0 // Error state.
-#define PILOT_12V 1 // Standby state.
-#define PILOT_9V 2 // Vehicle detection state.
-#define PILOT_6V 3 // Charging state.
-#define PILOT_DIODE 4 // Charging state with ventilation (not currently implemented).
-#define PILOT_RESET 5 // Reset state.
-#define PWM_CHANGE 6 // New state added to allow change in PWM duty cycle and charging current.
-
+#define PILOT_NOK 0 // Error state.
+#define PILOT_12V 1 // Standby state.
+#define PILOT_9V 2 // Vehicle detection state.
+#define PILOT_6V 3 // Charging state.
+#define PILOT_DIODE 4 // Charging state with ventilation (not currently implemented).
+#define PILOT_RESET 5 // Reset state.
+#define PWM_CHANGE 6 // New state added to allow change in PWM duty cycle and charging current.
+#define PILOT_START_AGAIN 7 // Restart charger if stuck in stateB - 9V for defined amount of time.
// ************************************************************
// * Digital out definitions *
// ************************************************************
@@ -75,7 +84,7 @@
Serial pc(USBTX, USBRX); // Serial output to PC.
int TESTCOUNTER = 0; // Variable to count number of cycles of main loop. Used to determine when to switch the pwm in this test version.
-
+int stateB_COUNTER = 0; // Variable to count number of cycles of main loop. Used to reset charger from state B - 9V to state A and re-initiate charging.
// ************************************************************
// * New Acquisition Routine for Capturing CP Signal Data *
// ************************************************************
@@ -278,13 +287,16 @@
control_pilot = PILOT_12V;
reset_charger = false;
}
+ if (cp_check_voltage(12) == false && cp_check_voltage(-12) == false)control_pilot = PILOT_NOK; // voltage not at 12 or -12, error accured
}
if (cable_connected == true)
{
+ if (cp_check_voltage(12) == true) control_pilot = PILOT_12V;
if (cp_check_voltage(9) == true) control_pilot = PILOT_9V;
if (cp_check_voltage(6) == true) control_pilot = PILOT_6V;
if (reset_charger == true) control_pilot = PILOT_RESET;
+ //if (cp_check_voltage(9) == false && cp_check_voltage(6) == false && cp_check_voltage(12) == false && reset_charger == false )control_pilot = PILOT_NOK; // voltage not at expected values, error accured
}
// ************************************************************
// * Switching PWM Cycle & TEST Counter Timer *
@@ -298,12 +310,13 @@
// ************************************************************
// ************************************************************
-// * PWM cycle basen on cable instered *
+// * PWM cycle based on cable instered *
// ************************************************************
if (cable_32A == false) pwm_duty_cycle = pwm_duty_low;
if (cable_32A == true) pwm_duty_cycle = pwm_duty_high;
-
-
+
+ //if (stateB_COUNTER > 3600) control_pilot = PILOT_START_AGAIN; // Each cycle takes approximately 1 second, so 3600 seconds is a change of pwm every hour or so.
+ //9V monitorin & time reser disabled for this version
switch(control_pilot)
{
@@ -314,10 +327,14 @@
green = 0;
blue = 1;
my_pwm = 0;
+ my_pwm.write(0);
pwm_state = false;
- pc.printf("Charger in STATE A. \r\n");
+ pc.printf("Charger in STATE:------------------------------------------------ A. \r\n");
pc.printf("PILOT_12V - Pilot at 12 V. \r\n");
- TESTCOUNTER = 0;
+ TESTCOUNTER =0;
+ pc.printf("TESTCOUNTER timer:----------------------------------- %u seconds \r\n", TESTCOUNTER);
+ stateB_COUNTER =0;
+ pc.printf("stateB_COUNTER timer:-------------------------------- %u seconds \r\n", stateB_COUNTER);
break;
case PILOT_9V:
@@ -332,12 +349,15 @@
my_pwm.period_us(1000);
my_pwm.pulsewidth_us(1000);
my_pwm.write(pwm_duty_cycle);
- pwm_state = true;
+ pwm_state = true;
}
- pc.printf("PWM duty cycle is at: %.1f %% \r\n", 100-pwm_duty_cycle*100);
- pc.printf("Charger in STATE B. \r\n");
+ pc.printf("PWM duty cycle is at: ------------------------------------------- %.1f %% \r\n",100-pwm_duty_cycle*100);
+ pc.printf("Charger in STATE:------------------------------------------------ B. \r\n");
pc.printf("PILOT_9V - Pilot at 9 V. \r\n");
- TESTCOUNTER = 0;
+ TESTCOUNTER =0;
+ pc.printf("TESTCOUNTER timer:----------------------------------- %u seconds \r\n", TESTCOUNTER);
+ //stateB_COUNTER+=1;
+ pc.printf("stateB_COUNTER timer: ------------------------------- %u seconds \r\n", stateB_COUNTER);
break;
case PILOT_6V:
@@ -355,21 +375,35 @@
pwm_state = true;
}
pc.printf("PWM duty cycle is at: %.1f %% \r\n", 100-pwm_duty_cycle*100);
- pc.printf("Charger in STATE C. \r\n");
+ pc.printf("Charger in STATE:------------------------------------------------ C. \r\n");
pc.printf("PILOT_6V - Pilot at 6 V. \r\n");
// TESTCOUNTER+=1;
// * TESTCOUNTER switched of
- pc.printf("TESTCOUNTER timer: %u seconds \r\n", TESTCOUNTER);
+ pc.printf("TESTCOUNTER timer:----------------------------------- %u seconds \r\n", TESTCOUNTER);
+ stateB_COUNTER = 0;
+ pc.printf("stateB_COUNTER timer:-------------------------------- %u seconds \r\n", stateB_COUNTER);
break;
case PILOT_NOK:
+ contactor = 0;
+ relay = 0;
lock = 0;
+ my_pwm.period_ms(1);
+ my_pwm.pulsewidth_ms(1);
+ my_pwm.write(1);
+ pwm_state = false;
red = 1;
green = 0;
blue = 0;
+ wait(0.5); // 500 ms
+ red = 0; // LED is OFF
+ wait(0.2); // 200 ms
pc.printf("Error. \r\n");
- pc.printf("PILOT_NOK - Pilot ERROR. \r\n");
- TESTCOUNTER = 0;
+ pc.printf("PILOT_NOK:------------------------------------------------------- Pilot ERROR. \r\n");
+ TESTCOUNTER =0;
+ pc.printf("TESTCOUNTER timer:----------------------------------- %u seconds \r\n", TESTCOUNTER);
+ stateB_COUNTER =0;
+ pc.printf("stateB_COUNTER timer:-------------------------------- %u seconds \r\n", stateB_COUNTER);
break;
case PILOT_RESET:
@@ -384,11 +418,14 @@
my_pwm.write(1);
pwm_state = false;
pc.printf("RESET IMPLEMENTED. \r\n");
- pc.printf("PILOT_RESET - Pilot at -12V. \r\n");
+ pc.printf("PILOT_RESET:----------------------------------------------------- Pilot at -12V. \r\n");
wait(0.5); // 500 ms
- red = 0; // LED is OFF
+ blue = 0; // LED is OFF
wait(0.2); // 200 ms
- TESTCOUNTER = 0;
+ TESTCOUNTER =0;
+ pc.printf("TESTCOUNTER timer:----------------------------------- %u seconds \r\n", TESTCOUNTER);
+ stateB_COUNTER =0;
+ pc.printf("stateB_COUNTER timer:-------------------------------- %u seconds \r\n", stateB_COUNTER);
use_upper_current = false;
break;
@@ -399,7 +436,7 @@
green = 1;
blue = 1;
wait(0.1);
- pc.printf("Charger changing PWM. \r\n");
+ pc.printf("----------------------------------------------------------------- Charger changing PWM. \r\n");
my_pwm.period_ms(1);
my_pwm.pulsewidth_ms(1);
my_pwm.write(1);
@@ -409,7 +446,10 @@
pc.printf("STOPPED PWM - Switching to +12 V. \r\n");
wait(1);
pwm_state = false;
- TESTCOUNTER = 0;
+ TESTCOUNTER =0;
+ pc.printf("TESTCOUNTER timer:----------------------------------- %u seconds \r\n", TESTCOUNTER);
+ stateB_COUNTER =0;
+ pc.printf("stateB_COUNTER timer:-------------------------------- %u seconds \r\n", stateB_COUNTER);
if(use_upper_current == false)
{
use_upper_current = true;
@@ -418,8 +458,31 @@
{
use_upper_current = false;
}
- break;
- }
+ break;
+
+ case PILOT_START_AGAIN:
+ red = 1;
+ green = 0;
+ blue = 1;
+ wait(0.1);
+ pc.printf("Charger:--------------------------------------------------------- RESTARTING stat B - 9V. \r\n");
+ my_pwm.period_ms(1);
+ my_pwm.pulsewidth_ms(1);
+ my_pwm.write(1);
+ wait(1);
+ pc.printf("STOPPED PWM - Switching to -12 V. \r\n");
+ my_pwm = 0;
+ pc.printf("STOPPED PWM - Switching to +12 V. \r\n");
+ wait(1);
+ pwm_state = false;
+ TESTCOUNTER =0;
+ pc.printf("TESTCOUNTER timer:----------------------------------- %u seconds \r\n", TESTCOUNTER);
+ stateB_COUNTER =0;
+ pc.printf("stateB_COUNTER timer:-------------------------------- %u seconds \r\n", stateB_COUNTER);
+ break;
+
+ }
+
pc.printf("#################\r\n");
//wait(1); // wait(); added to slow down the feed from nucleo for easier evaluation
}