mirror of
https://github.com/eddyem/stm32samples.git
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83 lines
2.4 KiB
C
83 lines
2.4 KiB
C
/*
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* This file is part of the canrelay project.
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* Copyright 2021 Edward V. Emelianov <edward.emelianoff@gmail.com>.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "adc.h"
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#include "buttons.h"
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#include "can.h"
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#include "custom_buttons.h"
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#include "hardware.h"
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#include "proto.h"
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#include "usb.h"
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#include "usb_lib.h"
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#define MAXSTRLEN 128
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volatile uint32_t Tms = 0;
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/* Called when systick fires */
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void sys_tick_handler(void){
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++Tms;
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}
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int main(void){
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char inbuff[MAXSTRLEN];
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uint8_t ctr, len;
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CAN_message *can_mesg;
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sysreset();
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SysTick_Config(6000, 1);
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gpio_setup();
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adc_setup();
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tim1_setup();
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USB_setup();
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CAN_setup(DEFAULT_CAN_SPEED);
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RCC->CSR |= RCC_CSR_RMVF; // remove reset flags
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iwdg_setup();
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while (1){
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IWDG->KR = IWDG_REFRESH; // refresh watchdog
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process_keys();
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custom_buttons_process();
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can_proc();
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if(CAN_get_status() == CAN_FIFO_OVERRUN){
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USND("CAN bus fifo overrun occured!");
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}
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while((can_mesg = CAN_messagebuf_pop())){
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if(can_mesg && isgood(can_mesg->ID)){
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if(ShowMsgs){ // new data in buff
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IWDG->KR = IWDG_REFRESH;
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len = can_mesg->length;
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printu(Tms);
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USB_sendstr(" #");
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printuhex(can_mesg->ID);
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for(ctr = 0; ctr < len; ++ctr){
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USB_putbyte(' ');
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printuhex(can_mesg->data[ctr]);
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}
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newline();
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}
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}
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}
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int l = USB_receivestr(inbuff, MAXSTRLEN);
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IWDG->KR = IWDG_REFRESH;
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if(l < 0) USB_sendstr("ERROR: USB buffer overflow or string was too long\n");
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else if(l) cmd_parser(inbuff);
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}
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return 0;
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}
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