| 11,6 → 11,9 |
|---|
| * PC2 SCK speed option. |
| * GND -> slow (8khz SCK), |
| * open -> software set speed (default is 375kHz SCK) |
| * |
| * 2014_02_09 miho@mlab.cz - cleaned code and defined IO port better, automatic compile prodcess for more target CPUs |
| * |
| */ |
| |
| #include <avr/io.h> |
| 44,7 → 47,7 |
|---|
| if (data[1] == USBASP_FUNC_CONNECT) { |
| |
| /* set SCK speed */ |
| if ((PINC & (1 << PC2)) == 0) { |
| if ((PIN(CLKSW_PORT) & (1 << CLKSW_BIT)) == 0) { |
| ispSetSCKOption(USBASP_ISP_SCK_8); |
| } else { |
| ispSetSCKOption(prog_sck); |
| 303,16 → 306,24 |
|---|
| int main(void) { |
| uchar i, j; |
| |
| /* no pullups on USB and ISP pins */ |
| PORTD = 0; |
| PORTB = 0; |
| /* all outputs except PD2 = INT0 */ |
| DDRD = ~(1 << 2); |
| /* unused pins with pullups */ |
| PORTB = PORTB_UNUSED_MASK; |
| PORTC = PORTC_UNUSED_MASK; |
| PORTD = PORTD_UNUSED_MASK; |
| |
| /* LED ports as output */ |
| ledInit(); |
| ledGreenOn(); |
| ledRedOff(); |
| |
| /* CLKSW input with PullUp (external jumper to GND) */ |
| clkswInit(); |
| |
| /* output SE0 for USB reset */ |
| DDRB = ~0; |
| DDR(USB_CFG_IOPORTNAME) |= (1 << USB_CFG_DPLUS_BIT | 1<<USB_CFG_DMINUS_BIT); |
| |
| /* USB Reset by device only required on Watchdog Reset */ |
| j = 0; |
| /* USB Reset by device only required on Watchdog Reset */ |
| while (--j) { |
| i = 0; |
| /* delay >10ms for USB reset */ |
| 319,13 → 330,10 |
|---|
| while (--i) |
| ; |
| } |
| |
| /* all USB and ISP pins inputs */ |
| DDRB = 0; |
| DDR(USB_CFG_IOPORTNAME) &= ~(1 << USB_CFG_DPLUS_BIT | 1<<USB_CFG_DMINUS_BIT); |
| |
| /* all inputs except PC0, PC1 */ |
| DDRC = 0x03; |
| PORTC = 0xfe; |
| |
| /* init timer */ |
| clockInit(); |
| |
| 337,4 → 345,3 |
|---|
| } |
| return 0; |
| } |
| |