fw/main.c (902aa40) - mips_sys · BlinkenArea

main.c

/* MIPS I system
 * Copyright 2011-2012 Stefan Schuermans <stefan@blinkenarea.org>
 * Copyleft GNU public license V2 or later
 *          http://www.gnu.org/copyleft/gpl.html
 */

#include "arp.h"
#include "cyc_cnt.h"
#include "debug.h"
#include "dhcp.h"
#include "eth.h"
#include "ip.h"
#include "leds.h"
#include "menu.h"
#include "uart.h"
#include "udp.h"

unsigned char leds_val = 0x88;

void uart_rx_task(void)
{
  unsigned short chr;

while (uart_can_rx()) {
    chr = uart_rx();
    if (!uart_is_err(chr))
      uart_tx(chr);
  }
}

void eth_rx_task(void)
{
  void *vptr;
  unsigned int sz;

while (eth_rx(&vptr, &sz))
    ethernet_recv(vptr, sz);
}

void tasks(void)
{
  uart_rx_task();
  eth_rx_task();
  menu_task();
}

void leds_tick200(void)
{
  leds_val = leds_val << 1 | leds_val >> 7;
  leds_set_state(leds_val);
}

void tick200(void)
{
  leds_tick200();
  arp_tick200();
  ip_tick200();
  udp_tick200();
  dhcp_tick200();
}

int main()
{
  leds_set_state(0x01);

uart_cfg_scale(62); /* 115200 */
  uart_cfg_bits(8);
  uart_cfg_stop(1);
  debug_str("MIPS I\r\n");

leds_set_state(0x02);

menu_init();

leds_set_state(0x04);

eth_mac_init();
  eth_rx_init();
  eth_tx_init();

leds_set_state(0x08);

arp_init();
  ip_init();

leds_set_state(0x10);

while (1) {
    unsigned int start_cyc = cyc_cnt_read();
    while (cyc_cnt_read() - start_cyc < 200 * CYC_CNT_MS)
      tasks();
    tick200();
  }

return 0;
}

mips_sys

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