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Small cleanup and added random blinking option.

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This commit is contained in:
Piotr Esden-Tempski 2011-03-14 11:09:18 -07:00
parent 5754b9856c
commit 4095c167d3
1 changed files with 13 additions and 5 deletions
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18
examples/stm32/stm32-h103/led_stripe/led_stripe.c
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@ -24,6 +24,8 @@
* http://www.adafruit.com/datasheets/LPD6803.pdf * http://www.adafruit.com/datasheets/LPD6803.pdf
*/ */
#include <stdlib.h>
#include <libopencm3/stm32/rcc.h> #include <libopencm3/stm32/rcc.h>
#include <libopencm3/stm32/gpio.h> #include <libopencm3/stm32/gpio.h>
@ -173,7 +175,16 @@ void step_colors(struct color *colors, int count) {
struct color tmp_color1; struct color tmp_color1;
struct color tmp_color2; struct color tmp_color2;
/* random blinking */
/*
for (i=0; i<count; i++) {
colors[i].r = rand()&0x01;
colors[i].g = rand()&0x01;
colors[i].b = rand()&0x01;
}
*/
/* generate next colors */ /* generate next colors */
tmp_color1.r = colors[0].r; tmp_color1.r = colors[0].r;
tmp_color1.g = colors[0].g; tmp_color1.g = colors[0].g;
tmp_color1.b = colors[0].b; tmp_color1.b = colors[0].b;
@ -191,6 +202,7 @@ void step_colors(struct color *colors, int count) {
tmp_color1.g = tmp_color2.g; tmp_color1.g = tmp_color2.g;
tmp_color1.b = tmp_color2.b; tmp_color1.b = tmp_color2.b;
} }
} }
int main(void) int main(void)
@ -213,14 +225,10 @@ int main(void)
step_colors(colors, COLOR_COUNT); step_colors(colors, COLOR_COUNT);
/* Wait a little */ /* Wait a little */
for (i = 0; i < 500000; i++) /* Wait a bit. */ for (i = 0; i < 1000000; i++) /* Wait a bit. */
__asm__("nop"); __asm__("nop");
} }
/* Blink the LED (PC12) on the board. */
while (1) {
}
return 0; return 0;
} }