mirror of
https://github.com/eddyem/tsys01.git
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99 lines
3.0 KiB
C
99 lines
3.0 KiB
C
/*
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* main.c
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*
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* Copyright 2017 Edward V. Emelianoff <eddy@sao.ru, 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 2 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, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*/
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#include "hardware.h"
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#include "usart.h"
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#include "i2c.h"
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#include "sensors_manage.h"
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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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uint32_t lastT = 0;
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int16_t L = 0;
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char *txt;
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sysreset();
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SysTick_Config(6000, 1);
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gpio_setup();
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usart_setup();
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i2c_setup(LOW_SPEED);
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// reset on start
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write_i2c(TSYS01_ADDR0, TSYS01_RESET);
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write_i2c(TSYS01_ADDR1, TSYS01_RESET);
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while (1){
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if(lastT > Tms || Tms - lastT > 499){
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LED_blink(LED0);
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lastT = Tms;
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}
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sensors_process();
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if(usartrx()){ // usart1 received data, store in in buffer
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L = usart_getline(&txt);
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char _1st = txt[0];
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if(L == 2 && txt[1] == '\n'){
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L = 0;
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switch(_1st){
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case 'C': // 'C' - show coefficients
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showcoeffs();
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break;
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case 'D':
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sensors_on();
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break;
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case 'T': // 'T' - get temperature
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showtemperature();
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break;
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case 'R':
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i2c_setup(CURRENT_SPEED);
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SEND("Reinit I2C\n");
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break;
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case 'L':
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i2c_setup(LOW_SPEED);
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SEND("Low speed\n");
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break;
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case 'H':
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i2c_setup(HIGH_SPEED);
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SEND("High speed\n");
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break;
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default: // help
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SEND("'C' - show coefficients\n"
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"'D' - slave discovery\n"
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"'T' - get raw temperature\n"
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"'R' - reinit I2C\n"
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"'L' - low speed\n"
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"'H' - high speed\n");
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break;
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}
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}
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}
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if(L){ // text waits for sending
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while(LINE_BUSY == usart_send(txt, L));
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L = 0;
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}
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}
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return 0;
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}
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