int
main(void)
{
u2_init();
puts("\nburn_dbsrx_eeprom\n");
hal_set_leds(0, ~0); // all off
int i2c_addr = I2C_ADDR_RX_A;
int dbid = read_dboard_eeprom(i2c_addr);
bool ok;
const char *msg = 0;
switch (dbid){
case -1:
msg = "No RX daughterboard found";
goto bad;
case -2:
msg = "Invalid RX EEPROM contents";
goto bad;
case USRP_DBID_DBS_RX_WITH_CLOCK_MOD:
msg = "RX Daughterboard already reports being a DBS RX w/ CLOCK_MOD";
goto good;
case USRP_DBID_DBS_RX:
// Says it's a DBS_RX, attempt to burn the EEPROM
ok = eeprom_write(i2c_addr, 0,
dbs_rx_rev2_eeprom, sizeof(dbs_rx_rev2_eeprom));
if (ok){
msg = "Successfully programmed db as DBS RX Rev 2.1";
goto good;
}
else {
msg = "Failed to write daugherboard eeprom";
goto bad;
}
default:
msg = "Daughterboard is not a DBS RX; ignored";
goto bad;
}
good:
puts(msg);
hal_set_leds(LED_VALS, LED_MASK);
while (1)
;
bad:
puts(msg);
while(1){
hal_toggle_leds(LED_VALS);
mdelay(50);
}
}
/*
* Called when eth phy state changes (w/ interrupts disabled)
*/
void link_changed_callback(int speed){
printf("\neth link changed: speed = %d\n", speed);
if (speed != 0){
hal_set_leds(LED_RJ45, LED_RJ45);
pkt_ctrl_set_routing_mode(PKT_CTRL_ROUTING_MODE_MASTER);
send_gratuitous_arp();
}
else{
hal_set_leds(0x0, LED_RJ45);
pkt_ctrl_set_routing_mode(PKT_CTRL_ROUTING_MODE_SLAVE);
}
}
int
main(void)
{
u2_init();
// setup tx gpio bits for GPIOM_FPGA_1 -- fpga debug output
//hal_gpio_set_sels(GPIO_TX_BANK, "1111111111111111");
//hal_gpio_set_sels(GPIO_RX_BANK, "1111111111111111");
putstr("\ntx_only\n");
// Control LEDs
hal_set_leds(0x0, 0x3);
if (USE_BUFFER_INTERRUPT)
pic_register_handler(IRQ_BUFFER, buffer_irq_handler);
pic_register_handler(IRQ_OVERRUN, overrun_irq_handler);
pic_register_handler(IRQ_UNDERRUN, underrun_irq_handler);
//pic_register_handler(IRQ_TIMER, timer_irq_handler);
//hal_set_timeout(timer_delta);
ethernet_register_link_changed_callback(link_changed_callback);
ethernet_init();
// initialize double buffering state machine for DSP RX -> Ethernet
dbsm_init(&dsp_rx_sm, DSP_RX_BUF_0,
&dsp_rx_recv_args, &dsp_rx_send_args,
dbsm_nop_inspector);
// setup receive from ETH
// bp_receive_to_buf(CPU_RX_BUF, PORT_ETH, 1, 0, BP_LAST_LINE);
#if 0
if (hwconfig_simulation_p()){
// If we're simulating, pretend that we got a start command from the host
u2_mac_addr_t host = {{ 0x00, 0x0A, 0xE4, 0x3E, 0xD2, 0xD5 }};
start_rx_cmd(&host);
}
#endif
start_tx_transfers(); // send constant buffers to DSP TX
while(1){
if (!USE_BUFFER_INTERRUPT)
buffer_irq_handler(0);
}
}
/*
* We ought to arrange for this to be called before main, but for now,
* we require that the user's main call u2_init as the first thing...
*/
bool
u2_init(void)
{
hal_disable_ints();
hal_io_init();
// init spi, so that we can switch over to the high-speed clock
spi_init();
// set up the default clocks
clocks_init();
hal_uart_init();
// init i2c so we can read our rev
pic_init(); // progammable interrupt controller
i2c_init();
hal_enable_ints();
// flash all leds to let us know board is alive
hal_set_led_src(0x0, 0x1f); /* software ctrl */
hal_set_leds(0x0, 0x1f); mdelay(300);
hal_set_leds(LED_E, LED_E); mdelay(300);
hal_set_leds(LED_C, LED_C); mdelay(300);
hal_set_leds(LED_A, LED_A); mdelay(300);
for (int i = 0; i < 3; i++){ //blink all
static const int blinks = LED_E | LED_C | LED_A;
hal_set_leds(0x0, 0x1f); mdelay(100);
hal_set_leds(blinks, 0x1f); mdelay(100);
}
hal_set_led_src(0x1f & ~LED_D, 0x1f); /* hardware ctrl */
hal_set_leds(LED_D, 0x1f); // Leave one on
#if 0
// test register readback
int rr, vv;
vv = ad9777_read_reg(0);
printf("ad9777 reg[0] = 0x%x\n", vv);
for (rr = 0x04; rr <= 0x0d; rr++){
vv = ad9510_read_reg(rr);
printf("ad9510 reg[0x%x] = 0x%x\n", rr, vv);
}
#endif
output_regs->serdes_ctrl = (SERDES_ENABLE | SERDES_RXEN);
return true;
}
