Diff: main.cpp

Revision:

0:c77f1ad8d993

Child:

1:59c864633347

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Sun Aug 23 14:40:33 2015 +0000
@@ -0,0 +1,281 @@
+/* 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
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