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);
}
}
int
main(void)
{
int i;
u2_init();
// Control LEDs
output_regs->leds = 0x02;
// Turn on ADCs
output_regs->adc_ctrl = 0x0A;
// Set up TX Chain
dsp_tx_regs->freq = 0;
dsp_tx_regs->scale_iq = (1 << 16) | 1;
dsp_tx_regs->interp_rate = 8;
// Set up RX Chain
dsp_rx_regs->freq = 0;
dsp_rx_regs->scale_iq = (1 << 16) | 1;
dsp_rx_regs->decim_rate = 8;
// Set up buffer control, using only 4 for now
for(i=0;i<4;i++)
buffer_state[i] = EMPTY;
// Set up DSP RX
buffer_state[0] = FILLING;
serdes_tx_idle = 1;
bp_receive_to_buf(0, 1, 1, 10, 509); // DSP_RX to buffer 0, use 500 lines
//dsp_rx_regs->run_rx = 1; // Start DSP_RX
putstr("Done DSP RX setup\n");
// Set up serdes RX
buffer_state[2] = FILLING;
dsp_tx_idle = 1;
bp_receive_to_buf(2, PORT, 1, 5, 504);
while (buffer_pool_status->status == 0) // wait for completion of DSP RX
;
putstr("Done DSP TX setup\n");
//dsp_tx_regs->run_tx = 1;
// register interrupt handler
pic_register_handler(IRQ_BUFFER, buffer_irq_handler);
while (1)
;
hal_finish();
return 1;
}
void i2c_register_handler(void) {
pic_register_handler(IRQ_I2C, i2c_irq_handler);
}