void MCU_init(void) {
clocks_init();
interrupts_init();
RCC_ClockSecuritySystemCmd(ENABLE);
}
/*
* 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;
}
int main(int argc, char *argv[]) {
hal_disable_ints();
hal_uart_init();
spi_init();
puts("Hardware testbed. Init clocks...");
clocks_init();
//now, hopefully, we should be running at 100MHz instead of 50MHz, meaning our UART is twice as fast and we're talking at 230400.
while(1) {
delay(500000);
puts("Eat at Joe's.");
}
return 0;
}
/*FUNCTION*---------------------------------------------------------------------
*
* Function Name : init_hardware
* Returned Value : void
* Comments :
* Initialize device.
*
*END*-------------------------------------------------------------------------*/
void init_hardware(void)
{
clocks_init();
ddr_init();
}
