Projektseminar 3
Displayansteuerung mit einzelansteuerung der Module mit 1, 2, 3, 4
Dependencies: mbed
Diff: main.cpp
- Revision:
- 0:5dc28ed27b01
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Tue Dec 12 12:33:43 2017 +0000
@@ -0,0 +1,465 @@
+#include "mbed.h"
+#include <string>
+#include <stdio.h> /* printf, scanf, puts, NULL */
+#include <stdlib.h> /* srand, rand */
+#include <time.h> /* time */
+using std::string;
+// p5: DIN, p7: CLK, p8: LOAD/CS
+SPI max72_spi(PA_7, PA_6, PA_5);
+DigitalOut load(D2);
+Serial pc(SERIAL_TX, SERIAL_RX);
+InterruptIn mybutton(USER_BUTTON);
+int maxInUse = 4; //Anzahl der Benutzen MAX7219
+
+// define max7219 registers
+#define max7219_reg_noop 0x00
+#define max7219_reg_digit0 0x01
+#define max7219_reg_digit1 0x02
+#define max7219_reg_digit2 0x03
+#define max7219_reg_digit3 0x04
+#define max7219_reg_digit4 0x05
+#define max7219_reg_digit5 0x06
+#define max7219_reg_digit6 0x07
+#define max7219_reg_digit7 0x08
+#define max7219_reg_decodeMode 0x09
+#define max7219_reg_intensity 0x0a
+#define max7219_reg_scanLimit 0x0b
+#define max7219_reg_shutdown 0x0c
+#define max7219_reg_displayTest 0x0f
+
+#define LOW 0
+#define HIGH 1
+#define MHZ 1000000
+
+void maxSingle( int reg, int col) {
+//maxSingle is the "easy" function to use for a
+//single max7219
+ load = LOW; // begin
+ max72_spi.write(reg); // specify register
+ max72_spi.write(col); // put data
+ load = HIGH; // make sure data is loaded (on rising edge of LOAD/CS)
+}
+
+void maxAll (int reg, int col) { // initialize all MAX7219's in the system
+ load = LOW; // begin
+ for ( int c=1; c<= maxInUse; c++) {
+ max72_spi.write(reg); // specify register
+ max72_spi.write(col); // put data
+ }
+ load = HIGH;
+}
+
+void maxOne(int maxNr, int reg, int col) {
+//maxOne is for adressing different MAX7219's,
+//while having a couple of them cascaded
+ int c = 0;
+ load = LOW;
+
+ for ( c = maxInUse; c > maxNr; c--) {
+ max72_spi.write(0); // no-op
+ max72_spi.write(0); // no-op
+ }
+
+ max72_spi.write(reg); // specify register
+ max72_spi.write(col); // put data
+
+ for ( c=maxNr-1; c >= 1; c--) {
+ max72_spi.write(0); // no-op
+ max72_spi.write(0); // no-op
+ }
+ load = HIGH;
+}
+
+
+
+void setup () {
+ // initiation of the max 7219
+ // SPI setup: 8 bits, mode 0
+ max72_spi.format(8, 0);
+
+ // going by the datasheet, min clk is 100ns so theoretically 10MHz should work...
+ max72_spi.frequency(10*MHZ);
+
+ maxAll(max7219_reg_scanLimit, 0x07);
+ maxAll(max7219_reg_decodeMode, 0x00); // using an led matrix (not digits)
+ maxAll(max7219_reg_shutdown, 0x01); // not in shutdown mode
+ maxAll(max7219_reg_displayTest, 0x00); // no display test
+ for (int e=1; e<=8; e++) { // empty registers, turn all LEDs off
+ maxAll(e,0);
+ }
+ maxAll(max7219_reg_intensity, 0x01 & 0x0f); // the first 0x0f is the value you can set
+ // range: 0x00 to 0x0f
+}
+
+
+
+int getBitValue(int bit)
+{
+ pc.printf("bit = %d\n\r", bit);
+ switch(bit)
+ {
+ case 0: return 1;
+ case 1: return 2;
+ case 2: return 4;
+ case 3: return 8;
+ case 4: return 16;
+ case 5: return 32;
+ case 6: return 64;
+ case 7: return 128;
+ }
+ return 0;
+}
+void interpret(string data, int maxId, int rowId)
+{
+ int value = 0;
+ for(int c=0;c<8;c++)
+ {
+ if(data.substr(c,1) == "+")
+ {
+ value += getBitValue(c);
+ pc.printf("value = %d\n\r",value);
+ }
+ }
+ pc.printf("value = %d\n\r",value);
+ maxOne(maxId, rowId ,value);
+}
+
+int _GameMode1 = 1;
+int _GameMode2 = 2;
+int _GameMode3 = 3;
+int _GameMode4 = 4;
+int _Step1 = 0;
+int _MaxStep1 = 1;
+int _Step2 = 0;
+int _MaxStep2 = 1;
+int _Step3 = 0;
+int _MaxStep3 = 1;
+int _Step4 = 0;
+int _MaxStep4 = 1;
+int _Step5 = 0;
+int _MaxStep5 = 1;
+int _LastGameMode1 = 0;
+int _LastGameMode2 = 0;
+int _LastGameMode3 = 0;
+int _LastGameMode4 = 0;
+
+void Mode1(int index)
+{
+ switch(index)
+ {
+ case 1:
+ if(_LastGameMode1 != 1)
+ {
+ _Step1 = 0;
+ _MaxStep1 = 9;
+ _LastGameMode1 = _GameMode1;
+ }
+ break;
+ case 2:
+ if(_LastGameMode2 != 1)
+ {
+ _Step1 = 0;
+ _MaxStep1 = 9;
+ _LastGameMode2 = _GameMode2;
+ }
+ break;
+ case 3:
+ if(_LastGameMode3 != 1)
+ {
+ _Step1 = 0;
+ _MaxStep1 = 9;
+ _LastGameMode3 = _GameMode3;
+ }
+ break;
+ case 4:
+ if(_LastGameMode4 != 1)
+ {
+ _Step1 = 0;
+ _MaxStep1 = 9;
+ _LastGameMode4 = _GameMode4;
+ }
+ break;
+ }
+ switch(_Step1)
+ {
+ while (_Step1 ==1) {
+ case 0:
+ interpret("--------",index,1);
+ interpret("----+---",index,2);
+ interpret("----+---",index,3);
+ interpret("----+---",index,4);
+ interpret("----+---",index,5);
+ interpret("----+---",index,6);
+ interpret("--------",index,7);
+ interpret("--------",index,8);
+ break;
+ case 1:
+ interpret("--------",index,1);
+ interpret("--------",index,2);
+ interpret("--------",index,3);
+ interpret("--------",index,4);
+ interpret("--------",index,5);
+ interpret("--------",index,6);
+ interpret("--------",index,7);
+ interpret("--------",index,8);
+ break;
+
+ }
+ }
+ wait_ms(20);
+}
+void Mode2(int index)
+{
+ switch(index)
+ {
+ case 1:
+ if(_LastGameMode1 != 2)
+ {
+ _Step2 = 0;
+ _MaxStep2 = 9;
+ _LastGameMode1 = _GameMode1;
+ }
+ break;
+ case 2:
+ if(_LastGameMode2 != 2)
+ {
+ _Step2 = 0;
+ _MaxStep2 = 9;
+ _LastGameMode2 = _GameMode2;
+ }
+ break;
+ case 3:
+ if(_LastGameMode3 != 2)
+ {
+ _Step2 = 0;
+ _MaxStep2 = 9;
+ _LastGameMode3 = _GameMode3;
+ }
+ break;
+ case 4:
+ if(_LastGameMode4 != 2)
+ {
+ _Step2 = 0;
+ _MaxStep2 = 9;
+ _LastGameMode4 = _GameMode4;
+ }
+ break;
+ }
+
+ switch(_Step2)
+ {
+ case 0:
+ interpret("--------",index,1);
+ interpret("-++++++-",index,2);
+ interpret("-+-----",index,3);
+ interpret("-++++++-",index,4);
+ interpret("------+-",index,5);
+ interpret("-++++++-",index,6);
+ interpret("--------",index,7);
+ interpret("--------",index,8);
+ break;
+ case 1:
+ interpret("--------",index,1);
+ interpret("--------",index,2);
+ interpret("--------",index,3);
+ interpret("--------",index,4);
+ interpret("--------",index,5);
+ interpret("--------",index,6);
+ interpret("--------",index,7);
+ interpret("--------",index,8);
+ break;
+
+ }
+ wait_ms(5);
+}
+void Mode3(int index)
+{
+ switch(index)
+ {
+ case 1:
+ if(_LastGameMode1 != 3)
+ {
+ _Step3 = 0;
+ _MaxStep3 = 9;
+ _LastGameMode1 = _GameMode1;
+ }
+ break;
+ case 2:
+ if(_LastGameMode2 != 3)
+ {
+ _Step3 = 0;
+ _MaxStep3 = 9;
+ _LastGameMode2 = _GameMode2;
+ }
+ break;
+ case 3:
+ if(_LastGameMode3 != 3)
+ {
+ _Step3 = 0;
+ _MaxStep3 = 9;
+ _LastGameMode3 = _GameMode3;
+ }
+ break;
+ case 4:
+ if(_LastGameMode4 != 3)
+ {
+ _Step3 = 0;
+ _MaxStep3 = 9;
+ _LastGameMode4 = _GameMode4;
+ }
+ break;
+ }
+
+ switch(_Step3)
+ {
+ case 0:
+ interpret("--------",index,1);
+ interpret("-++++++-",index,2);
+ interpret("------+-",index,3);
+ interpret("-++++++-",index,4);
+ interpret("------+-",index,5);
+ interpret("-++++++-",index,6);
+ interpret("--------",index,7);
+ interpret("--------",index,8);
+ break;
+ case 1:
+ interpret("--------",index,1);
+ interpret("--------",index,2);
+ interpret("--------",index,3);
+ interpret("--------",index,4);
+ interpret("--------",index,5);
+ interpret("--------",index,6);
+ interpret("--------",index,7);
+ interpret("--------",index,8);
+ break;
+
+ }
+ wait_ms(5);
+}
+void Mode4(int index)
+{
+ switch(index)
+ {
+ case 1:
+ if(_LastGameMode1 != 4)
+ {
+ _Step4 = 0;
+ _MaxStep4 = 9;
+ _LastGameMode1 = _GameMode1;
+ }
+ break;
+ case 2:
+ if(_LastGameMode2 != 4)
+ {
+ _Step4 = 0;
+ _MaxStep4 = 9;
+ _LastGameMode2 = _GameMode2;
+ }
+ break;
+ case 3:
+ if(_LastGameMode3 != 4)
+ {
+ _Step4 = 0;
+ _MaxStep4 = 9;
+ _LastGameMode3 = _GameMode3;
+ }
+ break;
+ case 4:
+ if(_LastGameMode4 != 4)
+ {
+ _Step4 = 0;
+ _MaxStep4 = 9;
+ _LastGameMode4 = _GameMode4;
+ }
+ break;
+ }
+ switch(_Step4)
+ {
+ case 0:
+ interpret("--------",index,1);
+ interpret("------+-",index,2);
+ interpret("------+-",index,3);
+ interpret("-++++++-",index,4);
+ interpret("-+----+-",index,5);
+ interpret("-+----+-",index,6);
+ interpret("--------",index,7);
+ interpret("--------",index,8);
+
+ break;
+
+ case 1:
+ interpret("--------",index,1);
+ interpret("--------",index,2);
+ interpret("--------",index,3);
+ interpret("--------",index,4);
+ interpret("--------",index,5);
+ interpret("--------",index,6);
+ interpret("--------",index,7);
+ interpret("--------",index,8);
+ break;
+
+ }
+ wait_ms(5);
+}
+
+
+int MAX_MODE = 4;
+void pressed()
+{
+ _GameMode1++;
+ if(_GameMode1 > MAX_MODE) _GameMode1 = 1;
+ _GameMode2++;
+ if(_GameMode2 > MAX_MODE) _GameMode2 = 1;
+ _GameMode3++;
+ if(_GameMode3 > MAX_MODE) _GameMode3 = 1;
+ _GameMode4++;
+ if(_GameMode4 > MAX_MODE) _GameMode4 = 1;
+}
+
+void DisplayGameMode()
+{
+ switch(_GameMode1)
+ {
+ case 1: Mode1(1); break;
+ case 2: Mode2(1); break;
+ case 3: Mode3(1); break;
+ case 4: Mode4(1); break;
+ }
+ switch(_GameMode2)
+ {
+ case 1: Mode1(2); break;
+ case 2: Mode2(2); break;
+ case 3: Mode3(2); break;
+ case 4: Mode4(2); break;
+ }
+ switch(_GameMode3)
+ {
+ case 1: Mode1(3); break;
+ case 2: Mode2(3); break;
+ case 3: Mode3(3); break;
+ case 4: Mode4(3); break;
+ }
+ switch(_GameMode4)
+ {
+ case 1: Mode1(4); break;
+ case 2: Mode2(4); break;
+ case 3: Mode3(4); break;
+ case 4: Mode4(4); break;
+ }
+ _Step1++;
+ if(_Step1 > _MaxStep1)_Step1 = 0;
+ _Step2++;
+ if(_Step2 > _MaxStep2)_Step2 = 0;
+ _Step3++;
+ if(_Step3 > _MaxStep3)_Step3 = 0;
+ _Step4++;
+ if(_Step4 > _MaxStep4)_Step4 = 0;
+
+
+}
+int main() {
+ mybutton.fall(&pressed);
+ srand (time(NULL));
+ setup ();
+ while(true){DisplayGameMode();}
+}
\ No newline at end of file