f/mini-led-cube
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Code optimized for size.

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This commit is contained in:
Kai Lauterbach 2011-12-09 22:57:26 +01:00
parent e6a5e55a3e
commit 9aca5cf6f9
2 changed files with 8 additions and 18 deletions
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6
client/test.c
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@ -75,19 +75,19 @@ int main(int argc, char **argv)
// bitwise set/get
//usb_control_msg(handle, USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_ENDPOINT_OUT, CUSTOM_RQ_SET_STATUS, 0, 25, buffer, 0, 5000);
sleep(5);
sleep(2);
int i = 0;
for (i = 0; i < 27; i++)
{
usb_control_msg(handle, USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_ENDPOINT_OUT, CUSTOM_RQ_SET_LED, 1, i, buffer, 0, 300);
sleep(1);
usleep(250000);
}
for (i = 26; i >= 0; i--)
{
usb_control_msg(handle, USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_ENDPOINT_OUT, CUSTOM_RQ_SET_LED, 0, i, buffer, 0, 300);
sleep(1);
usleep(250000);
}
usb_close(handle);

18
firmware/main.c
View file

@ -65,10 +65,9 @@ void init()
PORTD = 0b01000000;
// Timer-Interrupt "TIMER1" vorbereiten
//cli(); //
set_bit(TIMSK, OCIE1A); // Interrupt für ISR COMPA
//set_bit(TCCR1B, WGM12); // Überlauf
//set_bit(TCCR1B, WGM12); // Überlauf wird unten gesetzt
// Animations-Geschwindigkeit
// (vergleichswert bei dem der Interrupt ausgelöst wird)
@ -93,25 +92,16 @@ ISR (TIMER1_COMPA_vect)
// PORTD = __, 9, C, B, A,D+,D-,__
PORTD &= 0b10000111; // 7tes Bit löschen (Leitung 9) und alle Ebenen deaktivieren
PORTD |= ((1 << cube_level) << 3); // cube_level setzen (Ebene A=0, B=1, C=2)
PORTD |= (1 << 6) | ((1 << cube_level) << 3); // cube_level setzen (Ebene A=0, B=1, C=2)
uint32_t tmp = cube_level * 9;
// PORTB = 1..8
// 0 = leuchtet, 1 = leuchtet nicht (invertiert!)
//PORTB = ~((uint32_t)(cube & (0b11111111 << tmp)) >> tmp);
//PORTB = ((uint32_t)(~cube & (uint32_t)(0xff << tmp)) >> tmp);
PORTB = ~((cube >> tmp) & 0xff);
// PORTD &= 0b10111111; // bereits oben erledigt
//PORTD |= ~(((uint32_t)(cube & (1 << (tmp+8))) >> (tmp+8)) << 6);
//PORTD |= (((~cube & (1 << tmp)) >> tmp) << 6);
if ( (((cube >> tmp) >> 8) & 0x01) == 1 )
PORTD &= ~(1 << 6);
else
PORTD |= (1 << 6);
//PORTD |= (1 << 6); // test to always off
if ( (((cube >> tmp) >> 8) & 0x01) )
PORTD &= ~(1 << 6); // 9. led setzen falls notwendig
cube_level++;
if (cube_level > 2) cube_level = 0;