File content as of revision 0:c77f1ad8d993:

/* mbed PT6961 Test program, for Princeton PT6961 LED controller
 * Copyright (c) 2015, v01: WH, Initial version
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
#include "mbed.h"
#include "PT6961.h"

#if(1)
Serial pc(USBTX, USBRX);

DigitalOut myled(LED1);

// DisplayData_t size is 12 bytes (6 digits max 12 segments) OR 14 bytes (7 digits at max 11 segments) 
PT6961::DisplayData_t mbed_str = {0xDA,0x00, 0x7C,0x00, 0x3C,0x01, 0xF6,0x00, 0x00,0x00, 0x00,0x00, 0x00,0x00};  
PT6961::DisplayData_t all_str  = {0xFF,0x0F, 0xFF,0x0F, 0xFF,0x0F, 0xFF,0x0F, 0xFF,0x0F, 0xFF,0x0F, 0xFF,0x0F};  
PT6961::DisplayData_t bye_str = {0x7C,0x00, 0xEC,0x00, 0x3C,0x01, 0x00,0x00, 0x00,0x00, 0x00,0x00, 0x00,0x00};  
PT6961::DisplayData_t hello_str = {0xDC,0x00, 0x3C,0x01, 0x38,0x00, 0x38,0x00, 0xF8,0x01, 0x00,0x00, 0x00,0x00};  

// KeyData_t size is 5 bytes  
PT6961::KeyData_t keydata; 

// PT6191 declaration, Default setting 7 Digits, 11 Segments
PT6961 pt6961(p5,p6,p7, p8);

int main() {
//    char c; 
//    int data;
    
    pc.printf("Hello World\r\n"); //    
    
    pt6961.cls(); 
    pt6961.writeData(all_str);
    wait(4);
    pt6961.setBrightness(PT6961_BRT3);    
    pt6961.writeData(mbed_str);    
    wait(1);
    pt6961.setBrightness(PT6961_BRT0);        
    wait(1);
    pt6961.setBrightness(PT6961_BRT3);            
    
    while (1) {
     
      // Check and read keydata
      if (pt6961.readKeys(&keydata)) {
//        pc.printf("Key\r\n"); // 
        pc.printf("Keydata 0..4 = 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x\r\n", keydata[0], keydata[1], keydata[2], keydata[3], keydata[4]);

        if (keydata[0] == 0x10) { //sw2   
          pt6961.cls(); 
          pt6961.writeData(all_str);
        }  

        if (keydata[0] == 0x02) { //sw8   
          pt6961.cls(); 
          pt6961.writeData(hello_str);
        }  

        if (keydata[0] == 0x20) { //sw6   
          pt6961.cls(); 
          pt6961.writeData(mbed_str);
        }       

        if (keydata[1] == 0x02) { //sw4   
          pt6961.cls(); 
          pt6961.writeData(bye_str);
        }       
        
      } //if

      myled = !myled;
      wait(0.3);      
    } //while
}

#else

Serial pc(USBTX, USBRX);

DigitalOut myled(LED1);

SPI spi(p5,p6,p7);
DigitalOut cs(p8);

int flip(char data) {
  char value=0;
  
  if ((data & 0x01) == 0x01) {value |= 0x80;} ;  
  if ((data & 0x02) == 0x02) {value |= 0x40;} ;
  if ((data & 0x04) == 0x04) {value |= 0x20;} ;
  if ((data & 0x08) == 0x08) {value |= 0x10;} ;
  if ((data & 0x10) == 0x10) {value |= 0x08;} ;
  if ((data & 0x20) == 0x20) {value |= 0x04;} ;
  if ((data & 0x40) == 0x40) {value |= 0x02;} ;
  if ((data & 0x80) == 0x80) {value |= 0x01;} ;
  return value;
}

void fill () {    
   cs=0;
    wait_us(1);    
    spi.write(flip(0xC0)); // address set cmd, 0
    
    spi.write(flip(0xFF)); // data 
    spi.write(flip(0x07)); // data
    
    spi.write(flip(0xFF)); // data
    spi.write(flip(0x07)); // data
 
    spi.write(flip(0xFF)); // data
    spi.write(flip(0x07)); // data
 
    spi.write(flip(0xFF)); // data
    spi.write(flip(0x07)); // data
 
    spi.write(flip(0xFF)); // data
    spi.write(flip(0x07)); // data
 
    spi.write(flip(0xFF)); // data
    spi.write(flip(0x07)); // data
 
    spi.write(flip(0xFF)); // data
    spi.write(flip(0x07)); // data
 
    wait_us(1);
    cs=1;   
}

void clear () {    
   cs=0;
    wait_us(1);    
    spi.write(flip(0xC0)); // address set cmd, 0
    
    spi.write(flip(0x00)); // data 
    spi.write(flip(0x00)); // data
    
    spi.write(flip(0x00)); // data
    spi.write(flip(0x00)); // data
 
    spi.write(flip(0x00)); // data
    spi.write(flip(0x00)); // data
 
    spi.write(flip(0x00)); // data
    spi.write(flip(0x00)); // data
 
    spi.write(flip(0x00)); // data
    spi.write(flip(0x00)); // data
 
    spi.write(flip(0x00)); // data
    spi.write(flip(0x00)); // data
 
    spi.write(flip(0x00)); // data
    spi.write(flip(0x00)); // data
 
    wait_us(1);
    cs=1;   
}

int main() {
    char c; 
    int data;
    
    pc.printf("Hello World\r\n"); //    
    
    cs=1;
    spi.format(8,3);
    spi.frequency(100000);
    
    cs=0;
    wait_us(1);
    spi.write(flip(0x03)); // display mode cmd, 7 digits, 11 segments
    wait_us(1);    
    cs=1;
    
    wait_us(50);
 
    cs=0;
    wait_us(1);    
    spi.write(flip(0x40)); // data set cmd, normal mode, auto incr, write data
    wait_us(1);
    cs=1;
    
    wait_us(50);
 
    cs=0;
    wait_us(1);    
    spi.write(flip(0x8B)); // display control cmd, display On, 10/16 pwm
    wait_us(1);
    cs=1;

    wait_us(50);

    fill();
        
    pc.printf("Press key\r\n"); //          
    c=pc.getc();

    clear();
   
 #if(0)
    for (int digit=0; digit<7; digit++) {
      for (int seg=0; seg<12; seg++) {
        data = 1 << seg;
        
        cs=0;
        wait_us(1);    
        spi.write(flip(0xC0 + (digit << 1))); // address set cmd, 0   
        spi.write(flip( data       & 0xFF));  // data
        spi.write(flip((data >> 8) & 0x07));  // data 
        wait_us(1);
        cs=1;
        
        //wait(0.5);  
        pc.printf("Dig=%d, Seg=%d, Press key\r\n", digit, seg); //
        c=pc.getc();  
                 
      } //seg 
     
      cs=0;
      wait_us(1);    
      spi.write(flip(0xC0 + digit)); // address set cmd, 0   
      spi.write(flip(0x00)); // data
      spi.write(flip(0x00)); // data 
      wait_us(1);
      cs=1;
        
   } //dig

#endif
   const char mbed[] = {0xDA,0x00, 0x7C,0x00, 0x3C,0x01, 0xF6,0x00, 0x00,0x00, 0x00,0x00, 0x00,0x00};  
   cs=0;
   wait_us(1);    
   spi.write(flip(0xC0)); // address set cmd, 0
   for (int dig=0; dig<7; dig++) {
     spi.write(flip(mbed[(dig<<1)])); // data      
     spi.write(flip(mbed[(dig<<1) + 1])); // data
   }
   wait_us(1);
   cs=1;  
 
    while(1) {
      myled = 1;
      wait(0.5);
      myled = 0;
      wait(0.5);
    
      cs=0;
      wait_us(1);    
      spi.write(flip(0x42));   // data set cmd, normal mode, auto incr, read data
      data = spi.write(0xFF); // read keys 0
      pc.printf("data=0x%02x ", flip(data)); //
      data = spi.write(0xFF); // read keys 1
      pc.printf("data=0x%02x ", flip(data)); //
      data = spi.write(0xFF); // read keys 2
      pc.printf("data=0x%02x ", flip(data)); //
      data = spi.write(0xFF); // read keys 3
      pc.printf("data=0x%02x ", flip(data)); //
      data = spi.write(0xFF); // read keys 4
      pc.printf("data=0x%02x\r\n", flip(data)); //
      wait_us(1);
      cs=1;
    }
}

#endif