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

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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
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15
arduino/autonomous/autonomous.ino
View file

@ -143,15 +143,16 @@ void loop()
//grey(led);
}
int i;
for (led = 0; led < cpinsets; led++) {
for (i = 0; i < CH; i++) {
//Serial.print(cpin[led][i], DEC); Serial.print("="); Serial.print(c[led][i], DEC); Serial.print("/"); Serial.print(cmax[led][i], DEC); Serial.print(" ");
lb[cpin[led][i] >> 4].setPinPWM(cpin[led][i] & 0xf, c[led][i]);
for (int i = 0; i < NUM_TLCS; i++) {
// XXX: We assume static allocation of channels to pins 0..14 (in order)
// TODO: Just use unsigned char for c[] ?
unsigned char dutycycles[16];
int *cblock = (int *) &c[i * LEDS_PER_TLC];
for (int j = 0; j < 16; j++) {
dutycycles[j] = cblock[j];
}
lb[i].setAllPinPWM(dutycycles);
}
//Serial.print(NUM_TLCS, DEC);
//Serial.println();
delay(wait);
}

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)},