Diff: main.cpp

Revision:

0:e77768001bf6

Child:

1:513c1ae9298f

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Sat Dec 13 11:51:17 2014 +0000
@@ -0,0 +1,198 @@
+#include "mbed.h"
+#include "tsi_sensor.h"
+
+union message{
+    unsigned short body;
+    struct {
+        char data:8;
+        char cmd:8;
+    };
+};
+
+//defines
+#define ERROR_CMD(x) x = x | 0xC0
+#define ERROR_MSG(x) x = x | 0xC000
+#define MSG_DEFAULT 0x8000 | MIN_DIMM_VALUE
+
+#define MAX_PERIOD 9600 // us // teoretic 10ms 
+#define TRIAC_ON_TIME 25 //us // latimea pulsului pentru activarea triacului.
+#define DIMM_RX_BUFFER 6
+#define CONNECTION 3 // 1-PC // 2 - BT // 3 - PC + BT
+
+char STEPS = 255;
+signed char AUTO_DIMM_STEP = 1;
+float AUTO_DIMM_PERIOD = 0.01;
+char MIN_DIMM_VALUE = 1;
+char MAX_DIMM_VALUE = STEPS;
+
+PwmOut LED(LED_GREEN); // on board LED
+DigitalOut triacOut(PTD5); //output to Opto Triac
+InterruptIn zerroCross(PTA13); // only port A or D
+TSIAnalogSlider tsi(9, 10, 39); // board slider
+Serial pc(USBTX, USBRX);
+Serial bt(PTA2,PTA1);
+
+Ticker cycling;
+Timeout timer;
+
+char buffer[DIMM_RX_BUFFER]; // rx buffer
+signed char direction = AUTO_DIMM_STEP; 
+char dimmingLevel = MIN_DIMM_VALUE;
+char regDimmingLevel = MIN_DIMM_VALUE;
+union message msg, aux;
+
+void setTriacOff(void){
+    triacOut = 0;
+    timer.detach();
+}
+
+void setTriacOn(void){
+    triacOut = 1;
+    timer.detach();
+    timer.attach_us(&setTriacOff,TRIAC_ON_TIME);
+}
+
+void changeDimmingLevel(int val){
+    if(val >= MIN_DIMM_VALUE && val <= MAX_DIMM_VALUE)
+        dimmingLevel = val;
+}
+
+void dimmingInterval(){
+    if(dimmingLevel < msg.data)
+        changeDimmingLevel(dimmingLevel + AUTO_DIMM_STEP);  // direction up
+    else if (dimmingLevel > msg.data)
+        changeDimmingLevel(dimmingLevel - AUTO_DIMM_STEP); // direccion down
+    else{
+        cycling.detach();
+        direction = 0;
+    }
+}
+
+void printMessage(message msg, char *s, char err){
+    switch(CONNECTION){
+        case 1:
+            if(!err)
+                pc.printf("%s#    MSG: %u    CMD: %u    DATA: %u\n", s, msg.body, msg.cmd, msg.data);
+            else
+                pc.printf("%s#    CMD: %u   DATA %u \n",s, ERROR_CMD(msg.cmd), msg.data);
+            break;
+        case 2:
+            if(!err)
+                bt.printf("%u",msg.body);
+            else
+                bt.printf("%u",ERROR_MSG(msg.body));
+            break;
+        case 3:
+            if(!err){
+                pc.printf("%s#    MSG: %u    CMD: %u    DATA: %u\n",s,msg.body, msg.cmd, msg.data);
+                bt.printf("%u",msg.body);
+            }else{
+                pc.printf("%s#    CMD: %u   DATA %u \n",s, ERROR_CMD(msg.cmd), msg.data);
+                bt.printf("%u",ERROR_MSG(msg.body));
+            }      
+            break;
+    }
+}   
+
+
+
+void ISR_zerroCross(void){
+    timer.attach_us(&setTriacOn,(MAX_PERIOD/STEPS) * (STEPS - dimmingLevel));
+}
+
+void ISR_Serial(void){
+    bt.gets(buffer, DIMM_RX_BUFFER);
+    LED = !LED;
+}
+
+void readData(void)
+{
+    if(bt.readable()) {
+
+        bt.gets(buffer, DIMM_RX_BUFFER);
+        sscanf(buffer,"%u",&msg.body);
+        
+        switch(msg.cmd){
+            case 0x81: //CONN
+               if(msg.data == 0xA5){   
+                    msg.body = MSG_DEFAULT;
+                    printMessage(msg,"CONN",0);
+                    }else
+                        printMessage(msg,"ERR-CONN",1);   
+                break;
+            case 0x82: //ON
+                if(msg.data == 0xFF){
+                    cycling.attach(&dimmingInterval,AUTO_DIMM_PERIOD); 
+                    printMessage(msg,"ON",0);                  
+                    }else
+                        printMessage(msg,"ERR-ON",1); 
+                break;
+            case 0x83: //OFF
+                if(msg.data == 0x01){
+                    cycling.attach(&dimmingInterval,AUTO_DIMM_PERIOD);    
+                    printMessage(msg,"OFF",0);               
+                    }else
+                        printMessage(msg,"ERR-OFF",1);               
+                break;
+            case 0x84: //DIMM
+                cycling.attach(&dimmingInterval,AUTO_DIMM_PERIOD); 
+                printMessage(msg,"DIMM",0);
+                break;
+            case 0x85: //TIME/STEP
+                if(msg.data <= 0xFF && msg.data > 0x00){
+                    AUTO_DIMM_PERIOD = (float)((float)msg.data /1000);
+                    printMessage(msg,"TIME/STEP (ms)",0);
+                }else
+                     printMessage(msg,"ERR-TIME/STEP",1);  
+                break;
+            case 0x8A: //ASK
+                aux.cmd = 0x8A;
+                switch(msg.data){
+                    case 0x01: //DIMM
+                        aux.data = dimmingLevel;
+                        printMessage(aux,"DIMM LEVEL",0);
+                        break;
+                    case 0x02: // TIME/STEP
+                        aux.data = (unsigned short)(AUTO_DIMM_PERIOD*1000);
+                        printMessage(aux,"TIME/STEP (ms)",0);                                          
+                        break;
+                    default:
+                        aux.data = 0x00;
+                        printMessage(aux, "ERR-ASK-CMD", 1);
+                        break;
+                    }
+                break;
+            default:
+                printMessage(msg, "ERR-CMD", 1);
+                break;
+        }
+    }
+}
+
+void testSlider(void){
+    if (tsi.readPercentage())
+        dimmingLevel= STEPS * (1.0 - tsi.readPercentage());
+}
+
+void testDimming(void){  
+    if(dimmingLevel % (STEPS - AUTO_DIMM_STEP) == MIN_DIMM_VALUE)
+        direction *= -1;  
+   changeDimmingLevel(dimmingLevel + direction);
+}
+
+int main()
+{
+    zerroCross.enable_irq(); //enable routine
+    zerroCross.fall(&ISR_zerroCross); // falling edge interrupt routine
+    
+    //cycling.attach(&testDimming,AUTO_DIMM_PERIOD);
+    bt.attach(&ISR_Serial); // e mai bine fara intrerupere pentru ca nu apare intreruperea dimmingului 
+    
+    LED = 1; // led off.
+    triacOut = 0; // triac off
+    
+    while(true){
+        //testSlider();
+        //readData();
+    }
+}
\ No newline at end of file