/// Configure the device for bootloader mode and loop responding to bootloader commands
void runBootloader(void){
// Turn on LED
LED_PORT.DIRSET = (1<<LED_PIN);
LED_PORT.OUTCLR = (1<<LED_PIN); // active low
// power down RF section.
VCC_EN_PORT.DIRSET |= (1<<VCC_EN_PIN);
VCC_EN_PORT.OUTCLR = (1<<VCC_EN_PIN);
USB_ConfigureClock();
_delay_us(100000); // 0.1s
USB_Init();
USB_ep_out_init(1, USB_EP_TYPE_BULK_gc, EP1_SIZE);
sei();
uint16_t i=0;
while (1){
USB_Task();
pollEndpoint();
if (++i == 0) LED_PORT.OUTTGL = (1 << LED_PIN);
}
}
/* Configures the board hardware and chip peripherals for the project's functionality. */
void configHardware(void){
USB_ConfigureClock();
PORTR.DIRSET = 1 << 1;
PORTR.OUTSET = 1 << 1;
_delay_ms(50);
PORTR.OUTCLR = 1 << 1;
DAC_init();
initADC();
initChannels();
USB_Init();
}
int main(void){
USB_ConfigureClock();
USB_Init();
USB.INTCTRLA = USB_BUSEVIE_bm | USB_INTLVL_MED_gc;
USB.INTCTRLB = USB_TRNIE_bm | USB_SETUPIE_bm;
PMIC.CTRL = PMIC_LOLVLEN_bm | PMIC_MEDLVLEN_bm;
sei();
for (;;){
}
}
int main(void){
PORTE.DIRSET = (1<<0) | (1<<1);
PORTE.OUTSET = (1<<0);
PORTR.DIRSET = 1 << 1;
USB_ConfigureClock();
// Enable USB interrupts
USB.INTCTRLA = /*USB_SOFIE_bm |*/ USB_BUSEVIE_bm | USB_INTLVL_MED_gc;
USB.INTCTRLB = USB_TRNIE_bm | USB_SETUPIE_bm;
USB_Init();
PMIC.CTRL = PMIC_LOLVLEN_bm | PMIC_MEDLVLEN_bm | PMIC_HILVLEN_bm;
sei();
while (1){
}
}
int main(void){
_delay_ms(100);
USB_ConfigureClock();
PORTR.DIRSET = 1 << 1;
USB_Init();
// Enable USB interrupts
USB.INTCTRLA = USB_BUSEVIE_bm | USB_INTLVL_MED_gc;
USB.INTCTRLB = USB_TRNIE_bm | USB_SETUPIE_bm;
PMIC.CTRL = PMIC_LOLVLEN_bm | PMIC_MEDLVLEN_bm;
sei();
// setup TWI bus for master-mode I2C comms
TWIC.MASTER.BAUD = TWI_BAUD;
TWIC.MASTER.CTRLA = TWI_MASTER_ENABLE_bm;
TWIC.MASTER.STATUS = TWI_MASTER_BUSSTATE_IDLE_gc;
// setup TCC0 for sample timing
TCC0.CTRLA = TC_CLKSEL_DIV256_gc;
TCC0.CTRLB = TC0_CCAEN_bm | TC_WGMODE_SINGLESLOPE_gc;
TCC0.INTCTRLB = TC_CCAINTLVL_LO_gc;
TCC0.CCA = 120;
TCC0.PER = 0;
// config PORTE for serial transmission
PORTE.DIRSET = 1 << 3;
USARTE0.BAUDCTRLA = 0x01;
USARTE0.CTRLC = USART_PMODE_EVEN_gc | USART_CHSIZE_8BIT_gc;
USARTE0.CTRLB = USART_TXEN_bm | USART_CLK2X_bm;
// configure general DMA settings
DMA.CTRL = DMA_ENABLE_bm | DMA_DBUFMODE_DISABLED_gc | DMA_PRIMODE_RR0123_gc;
// use DMA CH0 for transmitting data after a frame snapshot
// reload SRC address register every transaction
// increment SRC every packet
// don't reload the destination address
// the destination address is fixed
DMA.CH0.ADDRCTRL = DMA_CH_SRCRELOAD_TRANSACTION_gc | DMA_CH_SRCDIR_INC_gc | DMA_CH_DESTRELOAD_NONE_gc | DMA_CH_DESTDIR_FIXED_gc;
// DMA.CH1.ADDRCTRL = DMA_CH_SRCRELOAD_NONE_gc | DMA_CH_SRCDIR_FIXED_gc | DMA_CH_DESTRELOAD_TRANSACTION_gc | DMA_CH_DESTDIR_INC_gc;
// trigger DMA transfer on data ready event - USARTE0.DATA is ready to get another byte
DMA.CH0.TRIGSRC = DMA_CH_TRIGSRC_USARTE0_DRE_gc;
// DMA.CH1.TRIGSRC = DMA_CH_TRIGSRC_USARTE0_RXC_gc;
// eww.
DMA.CH0.SRCADDR0 = ((uint32_t)(&sensorData) >> (8*0)) & 0xFF;
DMA.CH0.SRCADDR1 = ((uint32_t)(&sensorData) >> (8*1)) & 0xFF;
DMA.CH0.SRCADDR2 = ((uint32_t)(&sensorData) >> (8*2)) & 0xFF;
DMA.CH0.DESTADDR0 = ((uint32_t)(&USARTE0.DATA) >> (8*0)) & 0xFF;
DMA.CH0.DESTADDR1 = ((uint32_t)(&USARTE0.DATA) >> (8*1)) & 0xFF;
DMA.CH0.DESTADDR2 = ((uint32_t)(&USARTE0.DATA) >> (8*2)) & 0xFF;
// enable CH0, set to one byte bursts
DMA.CH0.CTRLA = DMA_CH_ENABLE_bm | DMA_CH_SINGLE_bm | DMA_CH_BURSTLEN_1BYTE_gc;
getAlive();
getCalibrationData();
PORTR.OUTSET = 1 << 1;
for (;;){}
}
