nucleo version
Fork of PololuLedStrip by
Revision 22:7a2bda46a606, committed 2014-12-24
- Comitter:
- michaeljkoster
- Date:
- Wed Dec 24 18:15:59 2014 +0000
- Parent:
- 21:87fd6273e0ff
- Child:
- 23:aa89fb2a5769
- Commit message:
- ST Nucleo F411RE changes and tweaks
Changed in this revision
--- a/PololuLedStrip.cpp Tue Nov 26 23:05:08 2013 +0000 +++ b/PololuLedStrip.cpp Wed Dec 24 18:15:59 2014 +0000 @@ -1,4 +1,5 @@ #include "PololuLedStrip.h" +extern Serial pc; bool PololuLedStrip::interruptFriendly = false; @@ -25,8 +26,10 @@ // running; the most likely explanation is some kind of flash caching that affects the timing. // If you ever change these numbers, it is important to check the the subtractions below // will not overflow in the worst case (smallest possible f_mhz). - led_strip_write_delays[0] = 750*f_mhz/1000 - 33; - led_strip_write_delays[1] = 550*f_mhz/1000 - 20; + //led_strip_write_delays[0] = 750*f_mhz/1000 - 33; + //led_strip_write_delays[1] = 550*f_mhz/1000 - 20; + led_strip_write_delays[0] = 28; // for Nucleo F411RE + led_strip_write_delays[1] = 20; } // Convert from units of cycles to units of half-cycles; it makes the assembly faster. @@ -38,7 +41,8 @@ PololuLedStrip::PololuLedStrip(PinName pinName) { - gpio_init(&gpio, pinName, PIN_OUTPUT); +// gpio_init(&gpio, pinName, PIN_OUTPUT); + gpio_init_out(&gpio, pinName); // for Nucleo F411RE } void PololuLedStrip::write(rgb_color * colors, unsigned int count)
--- a/PololuLedStrip.h Tue Nov 26 23:05:08 2013 +0000 +++ b/PololuLedStrip.h Wed Dec 24 18:15:59 2014 +0000 @@ -17,7 +17,8 @@ } rgb_color; #endif - extern "C" int led_strip_write_color(rgb_color *, volatile uint32_t * set, volatile uint32_t * clear, uint32_t mask); +// extern "C" int led_strip_write_color(rgb_color *, volatile uint32_t * set, volatile uint32_t * clear, uint32_t mask); + extern "C" int led_strip_write_color(rgb_color *, volatile uint16_t * set, volatile uint16_t * clear, uint32_t mask); /** This class lets you control the addressable RGB LED strips from Pololu</a>, or any other LED strip based on the TM1804 chip. */
--- a/led_strip_write_color.s Tue Nov 26 23:05:08 2013 +0000 +++ b/led_strip_write_color.s Wed Dec 24 18:15:59 2014 +0000 @@ -56,6 +56,38 @@ nop nop nop + + nop + nop + nop + nop + nop + nop + nop + nop + nop + nop + nop + nop + nop + nop + nop + nop + nop + nop + nop + nop + nop + nop + nop + nop + nop + nop + nop + nop + nop + nop + ldr r4, =0x80000000 tst r6, r4