brmlab/ledbar
4
0
Fork 0
mirror of https://github.com/brmlab/ledbar.git synced 2025-08-02 15:13:35 +02:00
Code Issues Projects Releases Packages Wiki Activity

autonomous: Use new Ledbar::setAllPinPWM() method, much faster LED control

Browse source
This commit is contained in:
Petr Baudis 2012-07-20 22:37:07 +02:00 • committed by brmlab
parent db2cfc384b
commit 5a9884c360
2 changed files with 20 additions and 8 deletions
Download patch file Download diff file Expand all files Collapse all files

13
arduino/ledbar.h
View file

@ -16,6 +16,7 @@ class Ledbar {
/* pin is 0 .. 15 */
void setPinMode(int pin, enum LedbarPinMode pinMode);
void setPinPWM(int pin, unsigned char dutyCycle);
void setAllPinPWM(unsigned char dutyCycles[16]);
private:
unsigned char address;
unsigned char rawPinModes[4];
@ -49,16 +50,26 @@ void Ledbar::setPinPWM(int pin, unsigned char dutyCycle)
Wire.endTransmission();
}
void Ledbar::setAllPinPWM(unsigned char dutyCycles[16])
{
Wire.beginTransmission(address);
Wire.write(0b10100000 /* autoincrement */ | 0x2);
for (int i = 0; i < 16; i++)
Wire.write(dutyCycles[i]);
Wire.endTransmission();
}
/** Current ledbar configuration: */
#define NUM_TLCS 2
#define LEDS_PER_TLC 5
#define TLCCH(tlc_num, ch_num) ((tlc_num) << 4 | (ch_num))
#define CH 3
const int cpin[5 * NUM_TLCS][CH] = {
const int cpin[LEDS_PER_TLC * NUM_TLCS][CH] = {
{TLCCH(0, 0), TLCCH(0, 1), TLCCH(0, 2)},
{TLCCH(0, 3), TLCCH(0, 4), TLCCH(0, 5)},
{TLCCH(0, 6), TLCCH(0, 7), TLCCH(0, 8)},