Diff: main.cpp

Revision:

0:61199d9d0aed

Child:

1:b732136485e0

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Wed Mar 15 20:45:14 2017 +0000
@@ -0,0 +1,89 @@
+
+#include "mbed.h"
+//#include "max7219.h"
+
+// ***************************************************************************
+// option 1 : use  SPI
+// ***************************************************************************
+SPI deviceM(PB_15, PB_14, PB_13);
+DigitalOut ssel (PB_12);
+
+#define  uint8_t unsigned char
+
+uint8_t vcol[8]={0,0,0,0,0,0,0,0};
+ 
+void sendSPI(uint8_t d1, uint8_t d2)
+{
+    deviceM.unlock();
+    ssel=0;
+    deviceM.write(d1); 
+    deviceM.write(d2);  
+    ssel=1;
+    deviceM.lock();
+};
+
+
+void printMatrix(uint8_t*  vC)
+
+{
+    uint8_t i =0;
+    for (i=1;i<9;i++){
+        sendSPI(i,*(vC+i));
+    }
+        
+    };
+    
+    
+int main() {
+                    sendSPI(0x0c,1);
+                    sendSPI(0x0F,1);
+                    wait (1);
+                    sendSPI(0x0f,0);
+                    wait (1);
+                    int i =0;
+                    while(1){
+                        i ++;
+                        vcol[1]=i;
+                        printMatrix(vcol);
+                        wait(0.5);
+                        }
+}
+// ***************************************************************************
+// option two: use maz7219 library
+
+// ***************************************************************************    
+/*
+Max7219 deviceM(PB_15, PB_14, PB_13, PB_12);
+
+
+int main() {
+    
+    max7219_configuration_t cfg = {
+    .device_number = 1,
+    .decode_mode = 0,
+    .intensity = Max7219::MAX7219_INTENSITY_8,
+    .scan_limit = Max7219::MAX7219_SCAN_8
+};
+   
+    deviceM.init_device(cfg);
+    
+    deviceM.enable_device(1);
+   
+    deviceM.set_display_test();
+    wait(1);   
+   deviceM.clear_display_test();
+    wait(1);
+  
+    while(1){
+         deviceM.write_digit(1,8,0b11111111);
+         deviceM.write_digit(1,1,0b01010101);
+         deviceM.write_digit(1,2,0b10101010);
+         deviceM.write_digit(1,3,0b01010101);
+         deviceM.write_digit(1,4,0b10101010);
+         deviceM.write_digit(1,5,0b01010101);
+         deviceM.write_digit(1,6,0b10101010);
+         deviceM.write_digit(1,7,0b01010101);
+        }
+}
+*/
+