kopia lustrzana https://github.com/amedes/pico_tnc
168 wiersze
4.0 KiB
C
168 wiersze
4.0 KiB
C
/*
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Copyright (c) 2021, JN1DFF
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright notice,
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this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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* Neither the name of the <organization> nor the names of its contributors
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may be used to endorse or promote products derived from this software
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without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
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DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <math.h>
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#include "pico/stdlib.h"
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#include "hardware/dma.h"
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#include "hardware/pwm.h"
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#include "hardware/irq.h"
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#include "hardware/sync.h"
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#include "hardware/structs/uart.h"
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#include "pico/util/queue.h"
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#include "hardware/watchdog.h"
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#include "tnc.h"
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#include "receive.h"
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#include "send.h"
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#include "ax25.h"
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//#define TEST_PACKET 1
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#ifdef TEST_PACKET
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#include "test.h"
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//#include "packet_table.h"
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#endif
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#include "cmd.h"
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//#include "usb_input.h"
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#include "usb_output.h"
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#include "serial.h"
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#include "tty.h"
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#include "beacon.h"
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#define TIME_10MS (10 * 1000) // 10 ms = 10 * 1000 us
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// greeting message
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static const uint8_t greeting[] =
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"\r\nJN1DFF MODELESS TNC V 1.00\r\n"
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"Type HELP for Info\r\n"
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"\r\n"
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"cmd: ";
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int main()
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{
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stdio_init_all();
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if (watchdog_caused_reboot()) {
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printf("Watch Dog Timer Failure\n");
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}
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// create usb output queue
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usb_output_init();
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// initialize tnc
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tnc_init();
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send_init();
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receive_init();
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serial_init();
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tty_init(); // should call after tnc_init()
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//bell202_init();
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#ifdef TEST_PACKET
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//test_init((1 << PORT_N) - 1); // test packet for all port
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test_init(1); // only port 0
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#endif
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#ifdef BUSY_PIN
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gpio_init(BUSY_PIN);
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gpio_set_dir(BUSY_PIN, true); // output
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#endif
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#define SMPS_PIN 23
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#if 1
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gpio_init(SMPS_PIN);
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gpio_set_dir(SMPS_PIN, true); // output
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gpio_put(SMPS_PIN, 0);
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#endif
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// output greeting text
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tty_write_str(&tty[0], greeting);
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tty_write_str(&tty[1], greeting);
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//uint32_t ts = time_us_32();
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// set watchdog, timeout 1000 ms
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watchdog_enable(1000, true);
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// main loop
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while (1) {
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// update watchdog timer
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watchdog_update();
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#if 0
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// advance tnc time
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if (time_us_32() - ts >= TIME_10MS) {
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++tnc_time;
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ts += TIME_10MS;
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}
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#endif
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// receive packet
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receive();
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// send packet
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send();
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// incoming KISS frame to serial
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//kiss_input();
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// output KISS frame to serial
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//kiss_output();
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// process uart I/O
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serial_input();
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serial_output();
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#ifdef TEST_PACKET
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// send test packet
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test();
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#endif
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// send beacon
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beacon();
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// calibrate off
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calibrate();
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#ifdef BUSY_PIN
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// gpio_put(BUSY_PIN, 0);
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#endif
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// wait small time
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__wfi();
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#ifdef BUSY_PIN
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// gpio_put(BUSY_PIN, 1);
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#endif
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}
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return 0;
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}
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