int
main (void)
{
/* Initialize GPIO (sets up clock) */
GPIOInit ();
/* Set LED port pin to output */
GPIOSetDir (LED_PORT, LED_BIT, 1);
GPIOSetValue (LED_PORT, LED_BIT, LED_OFF);
/* Init Power Management Routines */
pmu_init ();
/* UART setup */
UARTInit (115200, 0);
/* CDC USB Initialization */
init_usbserial ();
/* Init RFID */
rfid_init ();
/* Init emulation triggers */
trigger_init ();
/* RUN RFID loop */
loop_rfid ();
return 0;
}
int
main (void)
{
uint64_t time_us;
/* Initialize GPIO (sets up clock) */
GPIOInit ();
/* Set eMeter port pin to input/pullup/hysteresis/CAP0 */
LPC_IOCON->PIO1_5 = 2| 2<<3 | 1<<5;
GPIOSetDir (EMETER_PORT, EMETER_PIN, 0);
GPIOSetValue (EMETER_PORT, EMETER_PIN, 0);
/* Set LED port pin to output */
GPIOSetDir (LED_PORT, LED_PIN0, 1);
GPIOSetDir (LED_PORT, LED_PIN1, 1);
GPIOSetValue (LED_PORT, LED_PIN0, LED_OFF);
GPIOSetValue (LED_PORT, LED_PIN1, LED_OFF);
/* Init Power Management Routines */
pmu_init ();
/* CDC USB Initialization */
init_usbserial ();
/* configure TMR32B0 for capturing eMeter pulse duration in us */
LPC_SYSCON->SYSAHBCLKCTRL |= (1 << 9);
LPC_TMR32B0->PR = SYSTEM_CORE_CLOCK/1000000;
LPC_TMR32B0->TCR = 2;
LPC_TMR32B0->CCR = 6;
/* enable TMR32B0 timer IRQ */
pulse_count = pulse_length = 0;
timer_old = LPC_TMR32B0->TC;
NVIC_EnableIRQ(TIMER_32_0_IRQn);
/* release counter */
LPC_TMR32B0->TCR = 1;
time_us=0;
while(TRUE)
{
if(pulse_length)
{
time_us+=pulse_length;
/* print count, time[s], power[mWh] */
debug_printf (
"%u,%u,%u\n",
pulse_count,
(uint32_t)(time_us/1000000UL),
(uint32_t)(3600000000000ULL/pulse_length)
);
pulse_length = 0;
}
/* blink once per second */
GPIOSetValue (LED_PORT, LED_PIN0, LED_ON);
pmu_wait_ms(50);
GPIOSetValue (LED_PORT, LED_PIN0, LED_OFF);
pmu_wait_ms(950);
}
return 0;
}
