void led_rgb(uint32 color)
{
// clear all pins
gpio_data(port_f) &= ~pins;
// set desired pins
gpio_data(port_f) |= color;
}
void main(void) {
volatile packet_t *p;
volatile uint8_t t=20;
uint8_t chan;
char c;
gpio_data(0);
gpio_pad_dir_set( 1ULL << LED );
/* read from the data register instead of the pad */
/* this is needed because the led clamps the voltage low */
gpio_data_sel( 1ULL << LED);
/* trim the reference osc. to 24MHz */
trim_xtal();
uart_init(UART1, 115200);
vreg_init();
maca_init();
/* sets up tx_on, should be a board specific item */
*GPIO_FUNC_SEL2 = (0x01 << ((44-16*2)*2));
gpio_pad_dir_set( 1ULL << 44 );
set_power(0x0f); /* 0dbm */
chan = 0;
set_channel(chan); /* channel 11 */
*MACA_MACPANID = 0xaaaa;
*MACA_MAC16ADDR = 0x1111;
*MACA_TXACKDELAY = 68; /* 68 puts the tx ack at about the correct spot */
set_prm_mode(AUTOACK);
print_welcome("rftest-rx");
while(1) {
/* call check_maca() periodically --- this works around */
/* a few lockup conditions */
check_maca();
if((p = rx_packet())) {
/* print and free the packet */
printf("autoack-rx --- ");
print_packet(p);
maca_free_packet(p);
}
if(uart1_can_get()) {
c = uart1_getc();
if(c == 'z') t++;
if(c == 'x') t--;
*MACA_TXACKDELAY = t;
printf("tx ack delay: %d\n\r", t);
}
}
}
void main(void) {
volatile uint32_t i;
gpio_pad_dir(LED);
while(1) {
gpio_data(LED);
for(i=0; i<DELAY; i++) { continue; }
gpio_data(0);
for(i=0; i<DELAY; i++) { continue; }
};
}
void led_init(void)
{
// activate port f
sysctrl(rcgc2, port_f);
// output mode
gpio_dir(port_f) |= pins;
// regular gpio port
gpio_afsel(port_f) &= ~pins;
// 2ma current
gpio_dr2r(port_f) |= pins;
// digital mode
gpio_den(port_f) |= pins;
// clear all pins
gpio_data(port_f) &= ~pins;
}
/***************************************************************************//**
* @brief gpio_set_value
*******************************************************************************/
void gpio_set_value(unsigned gpio, int value)
{
gpio_data(gpio, value);
}
