void tmr3_isr(void) {
if(bit_is_set(*TMR(3,CSCTRL),TCF1)) {
current_clock++;
if((current_clock % CLOCK_CONF_SECOND) == 0) {
seconds++;
#if BLINK_SECONDS
leds_toggle(LEDS_GREEN);
#endif
}
if(etimer_pending() &&
(etimer_next_expiration_time() - current_clock - 1) > MAX_TICKS) {
etimer_request_poll();
}
/* clear the compare flags */
clear_bit(*TMR(3,SCTRL),TCF);
clear_bit(*TMR(3,CSCTRL),TCF1);
clear_bit(*TMR(3,CSCTRL),TCF2);
return;
} else {
/* this timer didn't create an interrupt condition */
return;
}
}
void tmr0_isr(void) {
if(bit_is_set(*TMR(0,CSCTRL),TCF1)) {
current_clock++;
if((current_clock % CLOCK_CONF_SECOND) == 0) {
seconds++;
/* ADC can be serviced every tick or every second */
#if CLOCK_CONF_SAMPLEADC > 1
adc_service();
#endif
}
#if CLOCK_CONF_SAMPLEADC == 1
adc_service();
#endif
if(etimer_pending() &&
(etimer_next_expiration_time() - current_clock - 1) > MAX_TICKS) {
etimer_request_poll();
}
/* clear the compare flags */
clear_bit(*TMR(0,SCTRL),TCF);
clear_bit(*TMR(0,CSCTRL),TCF1);
clear_bit(*TMR(0,CSCTRL),TCF2);
return;
} else {
/* this timer didn't create an interrupt condition */
return;
}
}
void config_oscillators()
{
CLOCK(CLK_RST_CONTROLLER_SPARE_REG0) = CLOCK(CLK_RST_CONTROLLER_SPARE_REG0) & 0xFFFFFFF3 | 4;
SYSCTR0(SYSCTR0_CNTFID0) = 19200000;
TMR(0x14) = 0x45F;
CLOCK(CLK_RST_CONTROLLER_OSC_CTRL) = 0x50000071;
PMC(APBDEV_PMC_OSC_EDPD_OVER) = PMC(APBDEV_PMC_OSC_EDPD_OVER) & 0xFFFFFF81 | 0xE;
PMC(APBDEV_PMC_OSC_EDPD_OVER) = PMC(APBDEV_PMC_OSC_EDPD_OVER) & 0xFFBFFFFF | 0x400000;
PMC(APBDEV_PMC_CNTRL2) = PMC(APBDEV_PMC_CNTRL2) & 0xFFFFEFFF | 0x1000;
PMC(APBDEV_PMC_SCRATCH188) = PMC(APBDEV_PMC_SCRATCH188) & 0xFCFFFFFF | 0x2000000;
CLOCK(CLK_RST_CONTROLLER_PLLMB_BASE) &= 0xBFFFFFFF;
PMC(APBDEV_PMC_TSC_MULT) = PMC(APBDEV_PMC_TSC_MULT) & 0xFFFF0000 | 0x249F; //0x249F = 19200000 * (16 / 32.768 kHz)
CLOCK(CLK_RST_CONTROLLER_SCLK_BURST_POLICY) = 0x20004444;
CLOCK(CLK_RST_CONTROLLER_SUPER_SCLK_DIVIDER) = 0x80000000;
CLOCK(CLK_RST_CONTROLLER_CLK_SYSTEM_RATE) = 2;
}
