Neel Shah
This program will run for https://www.sparkfun.com/products/760 as well as https://www.sparkfun.com/products/759 products from sparkfun
Revision 0:ad2e87d4b20e, committed 2013-04-20
- Comitter:
- Neel
- Date:
- Sat Apr 20 20:05:35 2013 +0000
- Commit message:
- LED Matrix SPI controller from Sparkfun.com
Changed in this revision
| main.cpp | Show annotated file Show diff for this revision Revisions of this file |
| mbed.bld | Show annotated file Show diff for this revision Revisions of this file |
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Sat Apr 20 20:05:35 2013 +0000
@@ -0,0 +1,225 @@
+#include "mbed.h"
+
+void draw_pattern(int pattern);
+DigitalOut myled(LED1);
+SPI spi(p5, p6, p7); // mosi, miso, sclk
+DigitalOut cs(p14);
+SPI spi1(p11, p12, p13);
+DigitalOut cs1(p18);
+
+/*volatile uint8_t arrow_green_right[] = {
+ 0, 0, 0, 1, 1, 1, 0, 0,
+ 0, 0, 0, 1, 1, 1, 0, 0,
+ 0, 0, 0, 1, 1, 1, 0, 0,
+ 0, 0, 0, 1, 1, 1, 0, 0,
+ 0, 0, 0, 1, 1, 1, 0, 0,
+ 0, 1, 0, 1, 1, 1, 0, 1,
+ 0, 0, 1, 1, 1, 1, 1, 0,
+ 0, 0, 0, 1, 1, 1, 0, 0,
+};*/
+
+volatile uint8_t arrow_red_left[] = {
+ 0, 0, 0, 224, 224, 224, 0, 0,
+ 0, 0, 224, 224, 224, 224, 224, 0,
+ 0, 224, 0, 224, 224, 224, 0, 224,
+ 0, 0, 0, 224, 224, 224, 0, 0,
+ 0, 0, 0, 224, 224, 224, 0, 0,
+ 0, 0, 0, 224, 224, 224, 0, 0,
+ 0, 0, 0, 224, 224, 224, 0, 0,
+ 0, 0, 0, 224, 224, 224, 0, 0,
+};
+
+volatile uint8_t arrow_blue_left[] = {
+ 0, 0, 0, 3, 3, 3, 0, 0,
+ 0, 0, 3, 3, 3, 3, 3, 0,
+ 0, 3, 0, 3, 3, 3, 0, 3,
+ 0, 0, 0, 3, 3, 3, 0, 0,
+ 0, 0, 0, 3, 3, 3, 0, 0,
+ 0, 0, 0, 3, 3, 3, 0, 0,
+ 0, 0, 0, 3, 3, 3, 0, 0,
+ 0, 0, 0, 3, 3, 3, 0, 0,
+};
+
+volatile uint8_t arrow_white_left[] = {
+ 0, 0, 0, 95, 95, 95, 0, 0,
+ 0, 0, 95, 95, 95, 95, 95, 0,
+ 0, 95, 0, 95, 95, 95, 0, 95,
+ 0, 0, 0, 95, 95, 95, 0, 0,
+ 0, 0, 0, 95, 95, 95, 0, 0,
+ 0, 0, 0, 95, 95, 95, 0, 0,
+ 0, 0, 0, 95, 95, 95, 0, 0,
+ 0, 0, 0, 95, 95, 95, 0, 0,
+};
+
+volatile uint8_t arrow_white_up[] = {
+ 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 95, 0, 0,
+ 0, 0, 0, 0, 0, 0, 95, 0,
+ 0, 95, 95, 95, 95, 95, 95, 95,
+ 0, 95, 95, 95, 95, 95, 95, 95,
+ 95, 95, 95, 95, 95, 95, 95, 95,
+ 0, 0, 0, 0, 0, 0, 95, 0,
+ 0, 0, 0, 0, 0, 95, 0, 0,
+};
+
+volatile uint8_t arrow_blue_up[] = {
+ 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 3, 0, 0,
+ 0, 0, 0, 0, 0, 0, 3, 0,
+ 0, 3, 3, 3, 3, 3, 3, 3,
+ 0, 3, 3, 3, 3, 3, 3, 3,
+ 3, 3, 3, 3, 3, 3, 3, 3,
+ 0, 0, 0, 0, 0, 0, 3, 0,
+ 0, 0, 0, 0, 0, 3, 0, 0,
+};
+
+volatile uint8_t arrow_white_down[] = {
+ 0, 0, 0, 0, 95, 0, 0, 0,
+ 0, 0, 0, 95, 0, 0, 0, 0,
+ 0, 0, 95, 95, 95, 95, 95, 95,
+ 95, 95, 95, 95, 95, 95, 95, 95,
+ 95, 0, 95, 95, 95, 95, 95, 95,
+ 95, 0, 0, 95, 0, 0, 0, 0,
+ 0, 0, 0, 0, 95, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0,
+};
+
+volatile uint8_t arrow_blue_down[] = {
+ 0, 0, 0, 0, 3, 0, 0, 0,
+ 0, 0, 0, 3, 0, 0, 0, 0,
+ 0, 0, 3, 3, 3, 3, 3, 3,
+ 3, 3, 3, 3, 3, 3, 3, 3,
+ 3, 0, 3, 3, 3, 3, 3, 3,
+ 3, 0, 0, 3, 0, 0, 0, 0,
+ 0, 0, 0, 0, 3, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0,
+};
+int main()
+{
+ // Setup the spi for 8 bit data, high steady state clock,
+ // second edge capture, with a 100kHz clock rate
+ spi.format(8,3);
+ spi.frequency(100000);
+ /*cs = 0;
+ wait(0.5);
+ spi.write(0x25);
+ spi.write(2);
+ wait(0.5);
+ cs=1;*/
+ spi1.format(8,3);
+ spi1.frequency(100000);
+ //draw_pattern(0);
+ //draw_pattern(1);
+ draw_pattern(2);
+ draw_pattern(3);
+}
+
+
+void draw_pattern(int pattern)
+{
+ switch(pattern)
+ {
+ case 0:
+ {
+ while(1)
+ {
+ cs = 0;
+ //cs1 = 0;
+ myled = 0;
+ wait_ms(0.5);
+ for(int k = 0; k<65;k++ )
+ {
+ spi.write(arrow_blue_down[k+1]);
+ //spi1.write(arrow_blue_up[k+1]);
+ }
+ wait_ms(0.5);
+ cs = 1;
+ //cs1 = 1;
+ }
+
+ /* {
+ cs = 0;
+ //cs1 = 0;
+ myled = 0;
+ wait_ms(0.5);
+ for(int k = 0; k<65;k++ )
+ {
+ spi.write(arrow_blue_up[k+1]);
+ //spi1.write(arrow_blue_up[k+1]);
+ }
+ wait_ms(0.5);
+ cs = 1;
+ //cs1 = 1;
+ }*/
+
+
+ }
+ case 1:
+ {
+ int i=0;
+ do
+ {
+ cs = 0;
+ //cs1 = 0;
+ myled = 1;
+ wait_ms(0.5);
+ for(int k=0;k<65;k++)
+ {
+ spi.write(arrow_red_left[k+1]);
+ //spi1.write(image[k+1]);
+ }
+ wait_ms(0.5);
+ cs = 1;
+ myled=0;
+ wait(1);
+ i++;
+ }while(i<10);
+ break;
+ }
+ case 2:
+ {
+ int i=0;
+ do
+ {
+ cs1 = 0;
+ //cs1 = 0;
+ myled = 1;
+ wait_ms(0.5);
+ for(int k=0;k<65;k++)
+ {
+ spi1.write(arrow_white_up[k+1]);
+ //spi1.write(image[k+1]);
+ }
+ wait_ms(0.5);
+ cs1 = 1;
+ myled=0;
+ wait(1);
+ i++;
+ }while(i<10);
+ break;
+ }
+
+ case 3:
+ {
+ int i=0;
+ do
+ {
+ cs = 0;
+ //cs1 = 0;
+ myled = 1;
+ wait_ms(0.5);
+ for(int k=0;k<65;k++)
+ {
+ spi.write(arrow_white_down[k+1]);
+ //spi1.write(image[k+1]);
+ }
+ wait_ms(0.5);
+ cs = 1;
+ myled=0;
+ wait(1);
+ i++;
+ }while(i<10);
+ break;
+ }
+ }
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Sat Apr 20 20:05:35 2013 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/3d0ef94e36ec \ No newline at end of file