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Author SHA1 Message Date
PaulStoffregen
54c4315c84 Update readme with SCLK overshoot info 2023-04-06 16:19:08 -07:00
Paul Stoffregen
73fa88476a
Merge pull request #20 from h4yn0nnym0u5e/warningfix/TD158 
Fix warnings raised by gcc toolchain 11.3.1
 2022-09-21 10:58:42 -07:00
Jonathan Oakley
82119a9138 Fix warnings raised by gcc toolchain 11.3.1 2022-09-21 16:30:33 +01:00
2 changed files with 9 additions and 3 deletions
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8
README.md
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@ -1,4 +1,4 @@
#Tlc5940 Library#
# Tlc5940 Library
16 channel PWM LED driver based on the Texas Instruments TLC5940 chip.
@ -11,3 +11,9 @@ http://playground.arduino.cc/Learning/TLC5940
https://github.com/PaulStoffregen/Tlc5940
![Tlc5940 with Teensy 2.0](http://www.pjrc.com/teensy/td_libs_Tlc5940_1.jpg)
The TLC5940 chip SCK pin is sensitive to signal overshoot. When used with
Teensy 4.0 or other high speed hardware, especially if using long wires, you
may need to add a resistor inline with the SCLK signal.
https://forum.pjrc.com/threads/71009?p=323766&viewfull=1#post323766

4
tlc_animations.h
View File

@ -39,7 +39,7 @@ volatile uint16_t tlc_animationPeriodsPerFrame;
volatile uint16_t tlc_animationPeriodsWait;
volatile void tlc_animationXLATCallback(void);
void tlc_playAnimation(const uint8_t PROGMEM *animation, uint16_t frames, uint16_t periodsPerFrame);
void tlc_playAnimation(const uint8_t /* PROGMEM */ *animation, uint16_t frames, uint16_t periodsPerFrame);
/** \addtogroup ExtendedFunctions
\code #include "tlc_animations.h" \endcode
@ -55,7 +55,7 @@ void tlc_playAnimation(const uint8_t PROGMEM *animation, uint16_t frames, uint16
\param periodsPerFrame number of PWM periods to wait between each frame
(0 means play the animation as fast as possible).
The default PWM period for a 16MHz clock is 1.024ms. */
void tlc_playAnimation(const uint8_t PROGMEM *animation, uint16_t frames, uint16_t periodsPerFrame)
void tlc_playAnimation(const uint8_t /* PROGMEM */ *animation, uint16_t frames, uint16_t periodsPerFrame)
{
tlc_currentAnimation = animation;
tlc_animationFrames = frames;