school project using led strip
Fork of PololuLedStrip by
Diff: PololuLedStrip.cpp
- Revision:
- 1:102307d9b701
- Child:
- 4:d3b60bd43811
diff -r 06475317f283 -r 102307d9b701 PololuLedStrip.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/PololuLedStrip.cpp Wed Feb 27 01:43:44 2013 +0000 @@ -0,0 +1,30 @@ +#include "PololuLedStrip.h" + +bool PololuLedStrip::interruptFriendly = false; + +PololuLedStrip::PololuLedStrip(PinName pinName) +{ + gpio_init(&gpio, pinName, PIN_OUTPUT); +} + +void PololuLedStrip::write(rgb_color * colors, unsigned int count) +{ + __disable_irq(); // Disable interrupts temporarily because we don't want our pulse timing to be messed up. + + while(count--) + { + led_strip_write_color(colors++, gpio.reg_set, gpio.reg_clr, gpio.mask); + + if (interruptFriendly) + { + __enable_irq(); + __nop(); + __nop(); + __nop(); + __disable_irq(); + } + } + + __enable_irq(); // Re-enable interrupts now that we are done. + wait_us(24); // Hold the line low for 24 microseconds to send the reset signal. +} \ No newline at end of file