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SB_HW_3-2
Fork of lightsense_kl46z_PWM_simple by
main.cpp
- Committer:
- scohennm
- Date:
- 2016-01-25
- Revision:
- 8:ea818c9220fc
- Parent:
- 7:8d7089b514ae
- Child:
- 9:cc1bae13d6be
File content as of revision 8:ea818c9220fc:
#include "mbed.h" #include "SLCD.h" #define PROGNAME "lightsense_kl46z_PWM v1\n\r" #define DATATIME 400 // milliseconds #define LCDLEN 10 #define LIGHTSENSORPORT PTE22 SLCD slcd; //define LCD display globally define Serial pc(USBTX, USBRX); Timer LEDTimer; void LCDMess(char *lMess){ slcd.Home(); slcd.clear(); slcd.printf(lMess); } int main() { PwmOut greenColor(LED_GREEN); PwmOut redColor(LED_RED); AnalogIn LightSensor(LIGHTSENSORPORT); float lightData; char lcdData[LCDLEN]; int timeToChangeDF = DATATIME; // set up timer for next step of Duty Factor timing LEDTimer.start(); LEDTimer.reset(); pc.printf(PROGNAME); while(true) { if (LEDTimer.read_ms() > timeToChangeDF){ // check for timer time out transtion lightData = (1.0 - LightSensor.read()); // show as increasiing with increasing intensity greenColor.write(1.0- lightData); redColor.write(1.0-lightData); sprintf(lcdData,"%4.3f",lightData); LCDMess(lcdData); pc.printf("%4.3f\r\n",lightData); timeToChangeDF = DATATIME; LEDTimer.reset(); } }// emd while }