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tsys01/STM32/TSYS_controller/proto.c

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/*
* geany_encoding=koi8-r
* proto.c
*
* Copyright 2018 Edward V. Emelianov <eddy@sao.ru, edward.emelianoff@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*
*/
#include <string.h>
#include "adc.h"
#include "can.h"
#include "can_process.h"
#include "hardware.h"
#include "proto.h"
#include "sensors_manage.h"
#include "strfunc.h"
#include "usb.h"
#include "version.inc"
extern volatile uint8_t canerror;
extern volatile uint32_t Tms;
static uint8_t debugmode = 0;
// LEDs are OFF by default
uint8_t noLED =
#ifdef EBUG
0
#else
1
#endif
;
static void CANsend(uint16_t targetID, uint8_t cmd, char echo){
if(targetID == 0){
USB_sendstr("Point number of controller (1..7), broadcast messages are deprecated!\n");
return;
}
if(CAN_OK == can_send_cmd(targetID, cmd) && echo){
USB_putbyte(echo);
newline();
}
}
// show all ADC values
static inline void showADCvals(){
char msg[] = "ADCn=";
for(int n = 0; n < NUMBER_OF_ADC_CHANNELS; ++n){
msg[3] = n + '0';
USB_sendstr(msg);
printu(getADCval(n));
newline();
}
}
static inline void printmcut(){
USB_sendstr("TMCU=");
int32_t T = getMCUtemp();
if(T < 0){
USB_putbyte('-');
T = -T;
}
printu(T);
newline();
}
static inline void showUIvals(){
uint16_t *vals = getUval();
USB_sendstr("V12="); printu(vals[0]);
USB_sendstr("\nV5="); printu(vals[1]);
USB_sendstr("\nV33="); printu(vals[3]);
USB_sendstr("\nI12="); printu(vals[2]);
newline();
}
static inline void setCANbrate(char *str){
if(!str || !*str) return;
uint32_t spd = 0;
str = omit_spaces(str);
char *e = getnum(str, &spd);
if(e == str){
USB_sendstr("BAUDRATE=");
printu(curcanspeed);
newline();
return;
}
if(spd < CAN_SPEED_MIN || spd > CAN_SPEED_MAX){
USB_sendstr("Wrong speed\n");
return;
}
CAN_setup(spd);
USB_sendstr("OK\n");
}
// parse `txt` to CAN_message
static CAN_message *parseCANmsg(char *txt){
static CAN_message canmsg;
uint32_t N;
char *n;
int ctr = -1;
canmsg.ID = 0xffff;
do{
txt = omit_spaces(txt);
n = getnum(txt, &N);
if(txt == n) break;
txt = n;
if(ctr == -1){
if(N > 0x7ff){
USB_sendstr("ID should be 11-bit number!\n");
return NULL;
}
canmsg.ID = (uint16_t)(N&0x7ff);
ctr = 0;
continue;
}
if(ctr > 7){
USB_sendstr("ONLY 8 data bytes allowed!\n");
return NULL;
}
if(N > 0xff){
USB_sendstr("Every data portion is a byte!\n");
return NULL;
}
canmsg.data[ctr++] = (uint8_t)(N&0xff);
}while(1);
if(canmsg.ID == 0xffff){
USB_sendstr("NO ID given, send nothing!\n");
return NULL;
}
USB_sendstr("Message parsed OK\n");
canmsg.length = (uint8_t) ctr;
return &canmsg;
}
// send command, format: ID (hex/bin/dec) data bytes (up to 8 bytes, space-delimeted)
static void sendCANcommand(char *txt){
CAN_message *msg = parseCANmsg(txt);
if(!msg) return;
uint32_t N = 1000;
while(CAN_BUSY == can_send(msg->data, msg->length, msg->ID)){
if(--N == 0) break;
}
}
/**
* @brief cmd_parser - command parsing
* @param txt - buffer with commands & data
* @param isUSB - == 1 if data got from USB
*/
void cmd_parser(char *txt){
int16_t L = strlen(txt), ID = 0;
char _1st = txt[0];
if(_1st >= '0' && _1st < '8'){ // send command to Nth controller, not broadcast
if(L == 3){ // with '\n' at end!
ID = CAN_ID_PREFIX | (_1st - '0');
_1st = txt[1];
}else{
_1st = '?'; // show help
}
}
switch(_1st){
case '@':
debugmode = !debugmode;
USB_sendstr("DEBUG mode ");
if(debugmode) USB_sendstr("ON");
else USB_sendstr("OFF");
newline();
break;
case 'A':
CANsend(ID, CMD_SPEAK, _1st);
break;
case 'a':
showADCvals();
break;
case 'B':
CANsend(ID, CMD_DUMMY0, _1st);
break;
case 'b':
setCANbrate(txt + 1);
break;
case 'c':
showcoeffs();
break;
case 'D':
CANsend(CAN_ID_PREFIX, CMD_DUMMY1, _1st);
break;
case 'd':
USB_sendstr("CAN_ID=");
printuhex(CANID);
newline();
break;
case 'E':
CANsend(ID, CMD_STOP_SCAN, _1st);
break;
case 'e':
sensors_scan_mode = 0;
break;
case 'F':
CANsend(ID, CMD_SENSORS_OFF, _1st);
break;
case 'f':
sensors_off();
break;
case 'g':
USB_sendstr("Sniffer CAN mode\n");
CAN_listenall();
break;
case 'H':
CANsend(ID, CMD_HIGH_SPEED, _1st);
break;
case 'h':
i2c_setup(HIGH_SPEED);
break;
case 'I':
CANsend(ID, CMD_REINIT_SENSORS, _1st);
break;
case 'i':
sensors_init();
break;
case 'J':
CANsend(ID, CMD_GETMCUTEMP, _1st);
break;
case 'j':
printmcut();
break;
case 'K':
CANsend(ID, CMD_GETUIVAL, _1st);
break;
case 'k':
showUIvals();
break;
case 'L':
CANsend(ID, CMD_LOW_SPEED, _1st);
break;
case 'l':
i2c_setup(LOW_SPEED);
break;
case 'N':
CANsend(ID, CMD_GETBUILDNO, _1st);
break;
case 'O':
noLED = 0;
USB_sendstr("LED on\n");
break;
case 'o':
noLED = 1;
LED_off(LED0);
LED_off(LED1);
USB_sendstr("LED off\n");
break;
case 'P':
CANsend(ID, CMD_PING, _1st);
break;
case 'Q':
CANsend(ID, CMD_SYSTIME, _1st);
break;
case 'q':
USB_sendstr("SYSTIME="); printu(Tms); newline();
break;
case 'R':
CANsend(ID, CMD_REINIT_I2C, _1st);
break;
case 'r':
i2c_setup(CURRENT_SPEED);
break;
case 'S':
CANsend(ID, CMD_SHUTUP, _1st);
break;
case 's':
sendCANcommand(txt+1);
break;
case 'T':
CANsend(ID, CMD_START_MEASUREMENT, _1st);
break;
case 't':
if(!sensors_scan_mode) sensors_start();
break;
case 'U':
CANsend(ID, CMD_USBSTATUS, _1st);
break;
case 'u':
USB_sendstr("Unique ID CAN mode\n");
CAN_listenone();
break;
case 'V':
CANsend(ID, CMD_LOWEST_SPEED, _1st);
break;
case 'v':
i2c_setup(VERYLOW_SPEED);
break;
case 'X':
CANsend(ID, CMD_START_SCAN, _1st);
break;
case 'x':
sensors_scan_mode = 1;
break;
case 'Y':
CANsend(ID, CMD_SENSORS_STATE, _1st);
break;
case 'y':
USB_sendstr("SSTATE=");
USB_sendstr(sensors_get_statename(Sstate));
USB_sendstr("\nNSENS=");
printu(Nsens_present);
USB_sendstr("\nSENSPRESENT=");
printuhex(sens_present[0] | (sens_present[1]<<8));
USB_sendstr("\nNTEMP=");
printu(Ntemp_measured);
newline();
break;
case 'z':
USB_sendstr("CANERROR=");
if(canerror){
canerror = 0;
USB_putbyte('1');
}else USB_putbyte('0');
newline();
break;
default: // help
USB_sendstr("https://github.com/eddyem/tsys01/tree/master/STM32/TSYS_controller " RLSDBG " build #" BUILD_NUMBER " @ " BUILD_DATE "\n");
USB_sendstr(
"ALL little letters - without CAN messaging\n"
"0..7 - send command to given controller (0 - master) instead of broadcast\n"
"@ - set/reset debug mode\n"
"a - get raw ADC values\n"
"A - allow given node to speak\n"
"B - send CAN dummy message\n"
"b - get/set CAN bus baudrate\n"
"c - show coefficients (current)\n"
"d - get last CAN address\n"
"D - send CAN dummy message to master\n"
"Ee- end themperature scan\n"
"Ff- turn oFf sensors\n"
"g - sniffer CAN mode\n"
"Hh- high I2C speed\n"
"Ii- (re)init sensors\n"
"Jj- get MCU temperature\n"
"Kk- get U/I values\n"
"Ll- low I2C speed\n"
"N - get build number\n"
"Oo- turn onboard diagnostic LEDs *O*n or *o*ff (both commands are local)\n"
"P - ping given node\n"
"Qq- get system time\n"
"Rr- reinit I2C\n"
"s - send CAN message\n"
"S - shut up given node\n"
"Tt- start temperature measurement\n"
"U - USB status of given slave (0 - off)\n"
"u - unique ID (default) CAN mode (only for slaves)\n"
"Vv- very low I2C speed\n"
"Xx- Start themperature scan\n"
"Yy- get sensors' state\n"
"z - check CAN status for errors\n"
);
break;
}
}
// show message in debug mode
void mesg(const char *txt){
if(!debugmode) return;
USB_sendstr("[DBG] ");
USB_sendstr(txt);
newline();
}
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