Smart BIC
Blinker
Dependencies: TextLCD mbed MMA8451Q
Blinker.cpp@4:a0a518132c23, 2014-06-19 (annotated)
- Committer:
- Daniel90
- Date:
- Thu Jun 19 18:13:33 2014 +0000
- Revision:
- 4:a0a518132c23
- Parent:
- 3:05c8449bc489
- Child:
- 5:c64c025a4993
?nderungen
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| Daniel90 | 3:05c8449bc489 | 1 | //Multifunktionsblinker |
| Daniel90 | 3:05c8449bc489 | 2 | //Hardware: Freescale FRDM KL25Z & SaintSmart LCD Keypad Shield |
| Daniel90 | 3:05c8449bc489 | 3 | //Copyright: Andre Ehwein, Marcel Berrang, Daniel Knopp |
| Daniel90 | 3:05c8449bc489 | 4 | |
| Daniel90 | 3:05c8449bc489 | 5 | #include "mbed.h" //common library für mbed |
| Daniel90 | 4:a0a518132c23 | 6 | #include "TextLCD.h" //library für den LCD Shield |
| Daniel90 | 4:a0a518132c23 | 7 | #include "TSISensor.h" //library für den TSi Sensor Idee: Helligkeit der Blinker LEDs einstellen |
| Daniel90 | 4:a0a518132c23 | 8 | |
| Daniel90 | 4:a0a518132c23 | 9 | AnalogIn KEYS(PTB0); //Analog In um die Spannung an PTB0 zu bestimmen und die Buttons zu erkennen |
| Daniel90 | 4:a0a518132c23 | 10 | DigitalOut myLED_G(PTB19); //grüne LED Idee: stellt die grünen blinkenden Pfeile im Auto da |
| Daniel90 | 4:a0a518132c23 | 11 | |
| Daniel90 | 4:a0a518132c23 | 12 | #define NO_KEY 0 //definiert die Keys des LCD Shields |
| Daniel90 | 4:a0a518132c23 | 13 | #define UP_KEY 1 |
| Daniel90 | 4:a0a518132c23 | 14 | #define DOWN_KEY 2 |
| Daniel90 | 4:a0a518132c23 | 15 | #define LEFT_KEY 3 |
| Daniel90 | 4:a0a518132c23 | 16 | #define RIGHT_KEY 4 |
| Daniel90 | 4:a0a518132c23 | 17 | #define SELECT_KEY 5 |
| Daniel90 | 3:05c8449bc489 | 18 | |
| Daniel90 | 3:05c8449bc489 | 19 | TextLCD lcd(PTA13, PTD5, PTA4, PTA5, PTC8, PTC9, TextLCD::LCD16x2); //Config. für das LCD Shield |
| Daniel90 | 4:a0a518132c23 | 20 | int read_LCD_buttons(); |
| Daniel90 | 4:a0a518132c23 | 21 | |
| Daniel90 | 3:05c8449bc489 | 22 | |
| Daniel90 | 3:05c8449bc489 | 23 | int main() |
| Daniel90 | 3:05c8449bc489 | 24 | { |
| Daniel90 | 3:05c8449bc489 | 25 | lcd.cls(); |
| Daniel90 | 3:05c8449bc489 | 26 | } |
| Daniel90 | 3:05c8449bc489 | 27 | |
| Daniel90 | 4:a0a518132c23 | 28 | //Bestimmt, welche Taste gerade gedrückt wird |
| Daniel90 | 4:a0a518132c23 | 29 | int read_LCD_KEYS() |
| Daniel90 | 4:a0a518132c23 | 30 | { |
| Daniel90 | 4:a0a518132c23 | 31 | int adc_key_in = 0; |
| Daniel90 | 4:a0a518132c23 | 32 | adc_key_in = KEYS.read_u16 (); // read the value from the sensor //Read the input voltage, represented as an unsigned short in the range [0x0, 0xFFFF]. |
| Daniel90 | 4:a0a518132c23 | 33 | // watch approching values for pushbutton and set table below |
| Daniel90 | 4:a0a518132c23 | 34 | // add approx 500 for safety |
| Daniel90 | 4:a0a518132c23 | 35 | |
| Daniel90 | 4:a0a518132c23 | 36 | if (adc_key_in > 65000) {return NO_KEY;} |
| Daniel90 | 4:a0a518132c23 | 37 | if (adc_key_in < 50) {return RIGHT_KEY;} |
| Daniel90 | 4:a0a518132c23 | 38 | //if (adc_key_in < 790) {return SELECT_KEY;} |
| Daniel90 | 4:a0a518132c23 | 39 | if (adc_key_in < 15500) {return UP_KEY;} |
| Daniel90 | 4:a0a518132c23 | 40 | if (adc_key_in < 34600) {return DOWN_KEY;} |
| Daniel90 | 4:a0a518132c23 | 41 | if (adc_key_in < 54000) {return LEFT_KEY;} |
| Daniel90 | 4:a0a518132c23 | 42 | |
| Daniel90 | 4:a0a518132c23 | 43 | return NO_KEY; //when no value readable, also return NO_KEY... |
| Daniel90 | 4:a0a518132c23 | 44 | } |
| Daniel90 | 3:05c8449bc489 | 45 | //Ende |