diff options
Diffstat (limited to 'spaghetti-monster/fsm-main.c')
| -rw-r--r-- | spaghetti-monster/fsm-main.c | 56 |
1 files changed, 41 insertions, 15 deletions
diff --git a/spaghetti-monster/fsm-main.c b/spaghetti-monster/fsm-main.c index 1c28f5f..e537a9e 100644 --- a/spaghetti-monster/fsm-main.c +++ b/spaghetti-monster/fsm-main.c @@ -36,21 +36,8 @@ ISR(TIMER1_COMPA_vect) { } #endif -int main() { - // Don't allow interrupts while booting - cli(); - - #ifdef USE_REBOOT // prevent reboot loops - MCUSR &= ~(1<<WDRF); // reset status flag - wdt_disable(); - #endif - - #ifdef HALFSPEED - // run at half speed - CLKPR = 1<<CLKPCE; - CLKPR = 1; - #endif - +#if (ATTINY == 25) || (ATTINY == 45) || (ATTINY == 85) +inline void hw_setup() { // configure PWM channels #if PWM_CHANNELS >= 1 DDRB |= (1 << PWM1_PIN); @@ -80,6 +67,45 @@ int main() { // configure e-switch PORTB = (1 << SWITCH_PIN); // e-switch is the only input PCMSK = (1 << SWITCH_PIN); // pin change interrupt uses this pin +} +#elif (ATTINY == 1634) +inline void hw_setup() { + // this gets tricky with so many pins... + // ... so punt it to the hwdef file + hwdef_setup(); +} +#else + #error Unrecognized MCU type +#endif + + +#ifdef USE_REBOOT +void prevent_reboot_loop() { + // prevent WDT from rebooting MCU again + MCUSR &= ~(1<<WDRF); // reset status flag + wdt_disable(); +} +#endif + + +int main() { + // Don't allow interrupts while booting + cli(); + + #ifdef USE_REBOOT + prevent_reboot_loop(); + #endif + + hw_setup(); + + #if 0 + #ifdef HALFSPEED + // run at half speed + // FIXME: not portable (also not needed) + CLKPR = 1<<CLKPCE; + CLKPR = 1; + #endif + #endif #ifdef USE_DEBUG_BLINK //debug_blink(1); |