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mbc.c
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#include <modbus/modbus.h>
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <time.h>
#include <string.h>
#include <math.h>
/*
DRT-301M Multi Tariff Energy Meter with MODBUS RTU
COM parameter Setting:
Default: 1200bps, 8bits, EVEN, 1Stop bit
2400, 4800, 9600, 19200 Optional
meter default / slave address ist: 01
ToDo:
* prevent multiple instances from interfering
* prefix output with timestamp of now
* several commandline options
* proper error handling
* proper error reporting
* Verbose structure bit select
2x MODBUS IO
Commandline Option Parsing
Intra Function logging
*/
modbus_t *ctx;
typedef struct {
uint16_t regNr;
uint16_t regLen;
uint8_t regType;
int regBase10;
const char * unitStr;
const char * descStr;
} regDef_s_t;
regDef_s_t regDef[] = {
{ 0x0010, 2, 1, 0, "V", "Voltage L1" }
, { 0x0012, 2, 1, 0, "V", "Voltage L2" }
, { 0x0014, 2, 1, 0, "V", "Voltage L3" }
, { 0x004E, 2, 1, 0, "Hz", "Frequency" } // !
, { 0x0050, 2, 2, -2, "A", "Current L1" }
, { 0x0052, 2, 2, -2, "A", "Current L2" }
, { 0x0054, 2, 2, -2, "A", "Current L3" }
, { 0x0056, 2, 2, -2, "A", "Current N" }
, { 0x0090, 2, 2, -4, "kW", "Power L1" }
, { 0x0092, 2, 2, -4, "kW", "Power L2" }
, { 0x0094, 2, 2, -4, "kW", "Power L3" }
, { 0x0096, 2, 2, -4, "kW", "Power Total" }
, { 0x00D0, 2, 2, -4, "kVA", "Apparent Power L1" }
, { 0x00D2, 2, 2, -4, "kVA", "Apparent Power L2" }
, { 0x00D4, 2, 2, -4, "kVA", "Apparent Power L3" }
, { 0x00D6, 2, 2, -4, "kVA", "Apparent Power Total" }
, { 0x0110, 2, 2, -2, "kvar", "Reactive Power L1" }
, { 0x0112, 2, 2, -2, "kvar", "Reactive Power L2" }
, { 0x0114, 2, 2, -2, "kvar", "Reactive Power L3" }
, { 0x0116, 2, 2, -2, "kvar", "Reactive Power Total" }
, { 0x0150, 2, 2, -3, "cos phi", "Power Factor L1" }
, { 0x0152, 2, 2, -3, "cos phi", "Power Factor L2" }
, { 0x0154, 2, 2, -3, "cos phi", "Power Factor L3" }
, { 0x0156, 2, 2, -3, "cos phi", "Power Factor Total" }
, { 0x0160, 2, 2, -2, "kWh", "Import Energy" }
, { 0x0166, 2, 2, -2, "kWh", "Export Energy" }
, { 0x07D0, 2, 2, -2, "kWh", "Import Energy Rate 1" }
, { 0x07D2, 2, 2, -2, "kWh", "Import Energy Rate 2" }
, { 0x07D4, 2, 2, -2, "kWh", "Import Energy Rate 3" }
, { 0x07D6, 2, 2, -2, "kWh", "Import Energy Rate 4" }
, { 0x08D0, 2, 2, -2, "kWh", "Export Energy Rate 1" }
, { 0x08D2, 2, 2, -2, "kWh", "Export Energy Rate 2" }
, { 0x08D4, 2, 2, -2, "kWh", "Export Energy Rate 3" }
, { 0x08D6, 2, 2, -2, "kWh", "Export Energy Rate 4" }
, { 0xF000, 4, 3, 0, "", "Time/Date" }
, { 0xF111, 10, 4, -2, "kWh", "Last 1 month positive Energy" }
, { 0xF121, 10, 4, -2, "kWh", "Last 2 month positive Energy" }
, { 0xF131, 10, 4, -2, "kWh", "Last 3 month positive Energy" }
, { 0xF141, 10, 4, -2, "kWh", "Last 4 month positive Energy" }
, { 0xF151, 10, 4, -2, "kWh", "Last 5 month positive Energy" }
, { 0xF161, 10, 4, -2, "kWh", "Last 6 month positive Energy" }
, { 0xF171, 10, 4, -2, "kWh", "Last 7 month positive Energy" }
, { 0xF181, 10, 4, -2, "kWh", "Last 8 month positive Energy" }
, { 0xF191, 10, 4, -2, "kWh", "Last 9 month positive Energy" }
, { 0xF1A1, 10, 4, -2, "kWh", "Last 10 month positive Energy" }
, { 0xF1B1, 10, 4, -2, "kWh", "Last 11 month positive Energy" }
, { 0xF1C1, 10, 4, -2, "kWh", "Last 12 month positive Energy" }
, { 0xF211, 10, 4, -2, "kWh", "Last 1 month reverse Energy" }
, { 0xF221, 10, 4, -2, "kWh", "Last 2 month reverse Energy" }
, { 0xF231, 10, 4, -2, "kWh", "Last 3 month reverse Energy" }
, { 0xF241, 10, 4, -2, "kWh", "Last 4 month reverse Energy" }
, { 0xF251, 10, 4, -2, "kWh", "Last 5 month reverse Energy" }
, { 0xF261, 10, 4, -2, "kWh", "Last 6 month reverse Energy" }
, { 0xF271, 10, 4, -2, "kWh", "Last 7 month reverse Energy" }
, { 0xF281, 10, 4, -2, "kWh", "Last 8 month reverse Energy" }
, { 0xF291, 10, 4, -2, "kWh", "Last 9 month reverse Energy" }
, { 0xF2A1, 10, 4, -2, "kWh", "Last 10 month reverse Energy" }
, { 0xF2B1, 10, 4, -2, "kWh", "Last 11 month reverse Energy" }
, { 0xF2C1, 10, 4, -2, "kWh", "Last 12 month reverse Energy" }
, { 0xF311, 10, 4, -4, "kW", "Last 1 month positive max Demand" }
, { 0xF321, 10, 4, -4, "kW", "Last 2 month positive max Demand" }
, { 0xF331, 10, 4, -4, "kW", "Last 3 month positive max Demand" }
, { 0xF341, 10, 4, -4, "kW", "Last 4 month positive max Demand" }
, { 0xF351, 10, 4, -4, "kW", "Last 5 month positive max Demand" }
, { 0xF361, 10, 4, -4, "kW", "Last 6 month positive max Demand" }
, { 0xF371, 10, 4, -4, "kW", "Last 7 month positive max Demand" }
, { 0xF381, 10, 4, -4, "kW", "Last 8 month positive max Demand" }
, { 0xF391, 10, 4, -4, "kW", "Last 9 month positive max Demand" }
, { 0xF3A1, 10, 4, -4, "kW", "Last 10 month positive max Demand" }
, { 0xF3B1, 10, 4, -4, "kW", "Last 11 month positive max Demand" }
, { 0xF3C1, 10, 4, -4, "kW", "Last 12 month positive max Demand" }
, { 0xF411, 10, 4, -4, "kW", "Last 1 month reverse max Demand" }
, { 0xF421, 10, 4, -4, "kW", "Last 2 month reverse max Demand" }
, { 0xF431, 10, 4, -4, "kW", "Last 3 month reverse max Demand" }
, { 0xF441, 10, 4, -4, "kW", "Last 4 month reverse max Demand" }
, { 0xF451, 10, 4, -4, "kW", "Last 5 month reverse max Demand" }
, { 0xF461, 10, 4, -4, "kW", "Last 6 month reverse max Demand" }
, { 0xF471, 10, 4, -4, "kW", "Last 7 month reverse max Demand" }
, { 0xF481, 10, 4, -4, "kW", "Last 8 month reverse max Demand" }
, { 0xF491, 10, 4, -4, "kW", "Last 9 month reverse max Demand" }
, { 0xF4A1, 10, 4, -4, "kW", "Last 10 month reverse max Demand" }
, { 0xF4B1, 10, 4, -4, "kW", "Last 11 month reverse max Demand" }
, { 0xF4C1, 10, 4, -4, "kW", "Last 12 month reverse max Demand" }
, { 0xF500, 2, 5, 0, "", "Intervals & Times" }
, { 0xF600, 0, 6, 0, "", "!!! Meter Number" } // ! Not working?
, { 0xF700, 15, 7, 0, "", "Tariff" }
, { 0xF800, 2, 1, 0, "Baud", "!!!Baudrate" } // ! Baudrate write only?
, { 0xFA01, 10, 4, -4, "kW", "Current month positive max Demand" }
, { 0xFB01, 10, 4, -4, "kW", "Current month reverse max Demand" }
, { 0x0000, 0, 0, 0, "", "" }
};
char optSetDate = 0;
char optCheckDate = 0;
int optSetBaudrate = 0;
char optUnit = 0;
char optTitle = 0;
char optReport = 0;
char optHelp = 0;
char optVerbose = 0;
char optSlaveAddress = 0;
char *optSerialParms = NULL;
char *optSerialDevice = NULL;
unsigned int *optRegsToDump = NULL;
int countRegs = 0;
struct timeval *optByteTimeout = NULL;
struct timeval *optResponseTimeout = NULL;
struct timeval byteTimeout, responseTimeout;
char dateNow[] = "YYYY-MM-DD hh:mm:ss";
char compileDate[] = __DATE__;
char compileTime[] = __TIME__;
#define defaultSerialDevice "/dev/DRT-301"
#define defaultSerialBaud 1200
#define defaultSerialDataBits 8
#define defaultSerialParity 'E'
#define defaultSerialStopBits 1
#define defaultSlaveAddress 1
char *serialDevice;
int serialBaud;
int serialDataBits;
char serialParity;
int serialStopBits;
char slaveAddress = defaultSlaveAddress;
char verbose;
/**********************************************************************
**********************************************************************/
#if 0
uint32_t read32(uint16_t addr)
{
uint16_t tab16[2];
uint32_t q = 0;
int rc = modbus_read_registers(ctx, addr, 2, tab16);
if (rc == -1)
{
fprintf(stderr, "MODBUS read registers failed for addr %04X: %s\n", addr, modbus_strerror(errno));
return 0;
}
fprintf(stderr, "Read32[%04X]: %4X %4X %5d %5d %d\n", addr, tab16[0], tab16[1], tab16[0], tab16[1], (tab16[0] << 16) + tab16[1]);
return q;
} // read32
#endif
/**********************************************************************
**********************************************************************/
int setDate(modbus_t *_ctx, struct tm *_tm)
{
struct tm *raw_tm;
if (_tm)
{
raw_tm = _tm;
}
else
{ // use now as time
time_t raw_time;
time(&raw_time);
raw_tm = localtime(&raw_time);
}
raw_tm->tm_year += 1900;
raw_tm->tm_mon += 1;
if (verbose > 3)
printf("Set Time: %04d-%02d-%02d %02d:%02d:%02d\n", raw_tm->tm_year, raw_tm->tm_mon, raw_tm->tm_mday, raw_tm->tm_hour, raw_tm->tm_min, raw_tm->tm_sec);
// return 0;
// write to DRT
// 0xF000: sec, min, hour, week, day, month, year, 20
uint8_t raw_req[] = {
0x01, // Device ID
0x10, // Write multiple register
0xF0, 0x00, // Start address
0x00, 0x04, // Quantity of registers
0x08, // Byte count
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
}; // Date
#define OFFSET 7
#define INT2BCD(A) ( ((A) / 10 * 16) + ((A) % 10) )
raw_req[OFFSET + 0] = INT2BCD(raw_tm->tm_sec);
raw_req[OFFSET + 1] = INT2BCD(raw_tm->tm_min);
raw_req[OFFSET + 2] = INT2BCD(raw_tm->tm_hour);
raw_req[OFFSET + 3] = INT2BCD(raw_tm->tm_wday);
raw_req[OFFSET + 4] = INT2BCD(raw_tm->tm_mday);
raw_req[OFFSET + 5] = INT2BCD(raw_tm->tm_mon);
raw_req[OFFSET + 6] = INT2BCD(raw_tm->tm_year - 2000);
raw_req[OFFSET + 7] = INT2BCD(20);
uint8_t rsp[MODBUS_TCP_MAX_ADU_LENGTH];
int req_length = modbus_send_raw_request(ctx, raw_req, sizeof(raw_req));
int res_length = modbus_receive_confirmation(ctx, rsp);
if (verbose > 2)
printf("0x%04X REQ Length: %d RES Length: %d\n", 0xF000, req_length, res_length);
if (res_length <= 0)
return(-1);
if (verbose > 2)
{
printf("0x%04X Response [", 0xF000);
for (int i = 0; i < res_length; i++)
{
printf("%02X", rsp[i]);
if (i < res_length - 1)
printf(" ");
}
printf("]\n");
}
return 0;
} // setDate
/**********************************************************************
**********************************************************************/
int dumpRegister(unsigned int reg)
{
uint16_t dest[256];
uint8_t *bp = (uint8_t *) dest;
int rc;
int i;
for (i = 0; regDef[i].regNr && (regDef[i].regNr != reg); i++)
if (verbose > 3)
printf("Search Register Definition: %04X, %d, %d, %d\n", regDef[i].regNr, regDef[i].regLen, regDef[i].regType, regDef[i].regBase10)
;
if (! regDef[i].regNr)
{
printf("Undefined register %04X (%d)\n", reg, i);
abort();
}
int reg_addr = regDef[i].regNr;
int reg_size = regDef[i].regLen;
int reg_type = regDef[i].regType;
int reg_base = regDef[i].regBase10;
if (verbose > 3)
printf("Found Register Definition: %04X, %d, %d, %d\n", reg_addr, reg_size, reg_type, reg_base);
if (verbose > 3)
printf("To Dump %04X: reg_def[%d]=%04X, %d, %d, %d\n", reg, i, reg_addr, reg_size, reg_type, reg_base);
rc = modbus_read_registers(ctx, reg_addr, reg_size, dest);
if (rc == -1)
{
printf("Read register failed: %s\n", modbus_strerror(errno));
abort();
}
unsigned int ul = 0;
float f = 0;
switch (reg_type)
{
case 0:
printf("Register disabled\n");
return(0);
break;
case 1:
if (verbose > 3)
printf("Unsigned Int Register:\n");
ul = (dest[0] << 16) + dest[1];
if (optTitle)
printf("%s: ", regDef[i].descStr);
printf("%u", ul);
if (optUnit)
printf("%s", regDef[i].unitStr);
printf("\n");
return(0);
break;
case 2:
if (verbose > 3)
printf("Float Register:\n");
f = dest[0];
f *= 256 * 256;
f += dest[1];
// f *= exp10(reg_base);
f *= pow(10, reg_base);
if (optTitle)
printf("%s: ", regDef[i].descStr);
printf("%.*f", abs(reg_base), f);
if (optUnit)
printf("%s", regDef[i].unitStr);
printf("\n");
return(0);
break;
case 3:
if (verbose > 3)
printf("Time Register:\n");
printf("%02X%02X-%02X-%02X %02X:%02X:%02X %02X\n", bp[6], bp[7], bp[4], bp[5], bp[3], bp[0], bp[1], bp[2]);
return(0);
break;
case 4:
if (verbose > 3)
printf("Rate Summary:\n");
if (optTitle)
printf("%s: ", regDef[i].descStr);
for (int j = 0; j < 8; j += 2)
{
f = (dest[j] * 256 * 256 + dest[j + 1]) * pow(10, reg_base);
printf("%.*f", abs(reg_base), f);
if (optUnit)
printf("%s ", regDef[i].unitStr);
}
printf("\n");
return(0);
break;
default:
printf("dumpRegister: Unimplemented Register Type: %d\n", reg_type);
return(0);
break;
}
return(0);
} // dumpRegister
/**********************************************************************
**********************************************************************/
int setBaudrate(modbus_t * _ctx, int _baudrate)
{
int value = 0;
switch (_baudrate)
{
case 1200:
value = 1;
break;
case 2400:
value = 2;
break;
case 4800:
value = 3;
break;
case 9600:
value = 4;
break;
default:
printf("Error setBaudrate: %i Baud not supported.\n", _baudrate);
return -1;
}
//0xF800
// 0x01, 0x10, 0xF8, 0x00, value
uint8_t raw_req[] = {
0x01, // Device ID
0x10, // Write multiple register
0xF8, 0x00, // Start address
0x00, 0x01, // Quantity of registers
0x02, // Byte count
0x00, 0x00
}; // Date
#define OFFSET 7
raw_req[OFFSET + 0] = 0;
raw_req[OFFSET + 1] = value;
uint8_t rsp[MODBUS_TCP_MAX_ADU_LENGTH];
int req_length = modbus_send_raw_request(ctx, raw_req, sizeof(raw_req));
int res_length = modbus_receive_confirmation(ctx, rsp);
if (verbose > 2)
printf("0x%04X REQ Length: %d RES Length: %d\n", 0xF000, req_length, res_length);
if (res_length <= 0)
return(-1);
if (verbose > 2)
{
printf("0x%04X Response [", 0xF000);
for (int i = 0; i < res_length; i++)
{
printf("%02X", rsp[i]);
if (i < res_length - 1)
printf(" ");
}
printf("]\n");
}
return 0;
} // setBaudrate
/**********************************************************************
**********************************************************************/
void dumpRegDef()
{
for (int i = 0; regDef[i].regNr; i++ )
{
printf("0x%04X %4d %4d %4d\t%s\t%s\n",
regDef[i].regNr,
regDef[i].regLen,
regDef[i].regType,
regDef[i].regBase10,
regDef[i].unitStr,
regDef[i].descStr
);
}
exit(0);
} // dumpRegDef
/**********************************************************************
**********************************************************************/
void usage(void)
{
printf("usage: \n"
" -h this help\n"
" -v [n] [-v ...] verbose\n"
" -V version\n"
" -i /dev/... device (%s) - best a symlink to the real device via udev rule\n"
" * -s 1200,8,E,1 not implemented yet - serial parameter (%d,%d,%c,%d)\n"
" -sa nr slave address (%d)\n"
" -u units of measure\n"
" -t title of register\n"
" -setDate set date on energy meter\n"
" * -checkDate n not implemented yet - check date on energy meter and report if off more than n sec\n"
" -setBaudrate n set baudrate to either 1200, 2400, 4800, 9600\n"
" -l list register configuration\n"
" -r 0x1,0x2,0x3,... dump register\n"
" -bt n byte timeout [ms]\n"
" -rt n response timeout [ms]\n"
" -R n report n\n"
" 1 Export Energy\n"
" 2 Current Volt and Current\n"
" 3 Power & cos phi\n"
" * 4 Monthly reports - not implemented yet\n"
" For write operations:\n"
" Unlock meter - no lock symbol on LCD\n"
" Increase timeout values\n"
"",
defaultSerialDevice,
defaultSerialBaud, defaultSerialDataBits, defaultSerialParity, defaultSerialStopBits,
defaultSlaveAddress
);
abort();
} // help
/**********************************************************************
**********************************************************************/
int main(int argc, char *argv[])
{
int rc;
if (argc == 1)
usage();
for (int i = 1; i < argc; i++)
{ // Process commandline parameters
if (verbose > 3)
printf("Process commandline arg: argc=%d argv[%d]=%s.\n", argc, i, argv[i]);
if (strcmp(argv[i], "-v") == 0)
{ // Verbose: -v [n]
optVerbose = 1;
verbose ++;
// printf("optVerbose: %d verbose: %d argc: %d\n", optVerbose, verbose, argc);
if (argc - i > 1)
{ // check for optional verbosity level
i++;
// printf("optVerbose: %d verbose: %d argc: %d argv[i+1]: %s\n", optVerbose, verbose, argc, argv[i]);
if (argv[i][0] != '-')
{ // next command line parameter could be an unsigned integer
char temp;
char *cp = NULL;
temp = (char) strtol(argv[i], &cp, 0);
// printf("optVerbose: %d verbose: %d temp: %d cp: %p, *cp: %s\n", optVerbose, verbose, temp, cp, cp);
if (*cp == '\0')
{ // success! whole parameter converted by strtol
verbose = temp;
} else {
optVerbose = 0;
}
// printf("optVerbose: %d verbose: %d temp: %d cp: %s\n", optVerbose, verbose, temp, cp);
} else {
// printf("verbose next arg starts with '-': %s.\n", argv[i]);
i--;
}
}
if (! optVerbose)
{
printf("Error in -v, strange value: '%s'.\n", argv[i]);
optHelp++;
i = argc;
break;
}
}
else if (strcmp(argv[i], "-V") == 0)
{
printf("Compiled at: %s %s\n", compileDate, compileTime);
exit(0);
}
else if (strcmp(argv[i], "-u") == 0)
optUnit ++;
else if (strcmp(argv[i], "-t") == 0)
optTitle ++;
else if (strcmp(argv[i], "-l") == 0)
dumpRegDef(); // does not return
else if (strcmp(argv[i], "-setDate") == 0)
optSetDate ++;
else if (strcmp(argv[i], "-setBaudrate") == 0)
{
if (argc - i > 1)
{
i++;
optSetBaudrate = strtol(argv[i], NULL, 0);
}
if (! optSetBaudrate)
{
optHelp++;
i = argc;
break;
}
}
else if (strcmp(argv[i], "-h") == 0)
optHelp ++;
else if (strcmp(argv[i], "-i") == 0)
{ // Set serial device
if (argc - i > 1)
{
i++;
optSerialDevice = argv[i];
if (verbose > 3)
printf("optSerialDevice: %s\n", optSerialDevice);
}
else
printf("optSerialDevice missing device string.\n");
if (! optSerialDevice)
{
optHelp++;
i = argc;
}
}
else if (strcmp(argv[i], "-s") == 0)
{ // Set serial parameters
printf("-s not implemented yet. Always using %d,%d,%c,%d.\n", defaultSerialBaud, defaultSerialDataBits, defaultSerialParity, defaultSerialStopBits); abort();
if (argc - i > 2)
{
optSerialParms = argv[i + 1];
i++;
}
else
{
optHelp++;
i = argc;
}
}
else if (strcmp(argv[i], "-sa") == 0)
{ // Set slave address
// printf("-sa not implemented yet. Always using %d.\n", defaultSlaveAddress); abort();
optSlaveAddress++;
char *cp = NULL;
if (argc - i > 1)
{
i++;
slaveAddress = (char) strtol(argv[i], &cp, 0);
if ((*cp != '\0') || (slaveAddress == 0))
{
printf("-sa strange parameter '%s'.\n", argv[i]);
optHelp++;
i = argc;
}
}
else {
printf("-sa requires parameter for slave address.\n");
optHelp++;
i = argc;
}
// if (verbose > 2) printf("Set Slave Address to %d.\n", )
}
else if (strcmp(argv[i], "-r") == 0)
{ // Dump registers
if (argc - i > 1)
{
#define DELIMITER ','
i++;
if (verbose > 3)
printf("optRegsToDump: registers: %s\n", argv[i]);
// countRegs = 0;
char *cp = argv[i];
cp = strtok(argv[i], ","); // read man page for features and behaviour (",.." "...," ".,,,.")
if (cp) // if /,+/ is given, cp is NULL
do {
countRegs++;
long int li = strtol(cp, NULL, 0); // convert ASCII dec, hex, oct to number
if (verbose > 3)
printf("Token[%d]: %s %ld %ld\n", countRegs, cp, strlen(cp), li);
// extend reg array by one and add new value to end
unsigned int *ui_p = realloc(optRegsToDump, countRegs * sizeof(*optRegsToDump));
if (! ui_p)
{
printf("optRegsToDump realloc failed\n");
abort();
}
optRegsToDump = ui_p;
optRegsToDump[countRegs - 1] = (unsigned int) li;
} while ((cp = strtok(NULL, ",")));
// Dump reg array
if (verbose > 3)
for (int i = 0; i < countRegs; i++)
printf("optRegsToDump[%02d] = %5d, %04X\n", i, optRegsToDump[i], optRegsToDump[i]);
if (verbose > 3)
printf("optRegsToDump: %d\n", countRegs);
}
else
printf("optRegsToDump missing device string.\n");
if (! optRegsToDump)
{
optHelp++;
i = argc;
break;
}
} // -r
else if (strcmp(argv[i], "-R") == 0)
{ // Print predefined report
if (argc - i > 1)
{
i++;
optReport = strtol(argv[i], NULL, 0);
}
if (! optReport)
{
optHelp++;
i = argc;
break;
}
}
else if (strcmp(argv[i], "-bt") == 0)
{ // Print predefined report
if (argc - i > 1)
{
i++;
optByteTimeout = malloc(sizeof(*optByteTimeout));
if (! optByteTimeout)
{
printf("ERROR malloc optByteTimeout failed\n");
abort();
}
int millis = strtol(argv[i], NULL, 0);
optByteTimeout->tv_sec = millis / 1000;
optByteTimeout->tv_usec = (millis % 1000) * 1000; // micro seconds
} else {
}
if (! optByteTimeout)
{
printf("-bt missing or invalid parameter.\n");
optHelp++;
i = argc;
break;
}
}
else if (strcmp(argv[i], "-rt") == 0)
{ // Print predefined report
if (argc - i > 1)
{
i++;
optResponseTimeout = malloc(sizeof(*optResponseTimeout));
if (! optResponseTimeout)
{
printf("ERROR malloc optResponseTimeout failed\n");
abort();
}
int millis = strtol(argv[i], NULL, 0);
optResponseTimeout->tv_sec = millis / 1000;
optResponseTimeout->tv_usec = (millis % 1000) * 1000; // micro seconds
}
if (! optResponseTimeout)
{
printf("-rt missing or invalid parameter.\n");
optHelp++;
i = argc;
break;
}
}
else
{ // Unknown option
printf("Unkown option: %s.\n", argv[i]);
optHelp++;
i = argc;
}
} // Process command line arguments
if (optHelp) usage();
if (! optSerialDevice)
{ // Set default serial device
serialDevice = strdup(defaultSerialDevice);
} else {
serialDevice = strdup(optSerialDevice);
}
if (! optSerialParms)
{ // Set serial default parameters
serialBaud = defaultSerialBaud;
serialDataBits = defaultSerialDataBits;
serialParity = defaultSerialParity;
serialStopBits = defaultSerialStopBits;
if (verbose > 2)
printf("Serial: set default parameters: %s,%d,%d,%c,%d\n",
serialDevice, serialBaud, serialDataBits, serialParity, serialStopBits);
}
#if 1 // modbus related stuff
// Create modbus rtu context
// ctx = modbus_new_rtu("/dev/ttyUSB0", 1200, 'E', 8, 1);
ctx = modbus_new_rtu(serialDevice, serialBaud, serialParity, serialDataBits, serialStopBits);
if (ctx == NULL)
{
fprintf(stderr, "MODBUS new failed: %s\n", modbus_strerror(errno));
exit(-1);
}
modbus_set_debug(ctx, FALSE);
if (verbose > 1)
modbus_set_debug(ctx, TRUE);
rc = modbus_connect(ctx);
if (rc == -1)
{
fprintf(stderr, "MODBUS connect failed: %s\n", modbus_strerror(errno));
abort();
}
// Select slave to talk to
if (verbose > 2) printf("Set slave address to %d.\n", slaveAddress);
rc = modbus_set_slave(ctx, slaveAddress);
if (rc)
{
fprintf(stderr, "MODBUS set slave address to %d failed: %d, %s\n", slaveAddress, rc, modbus_strerror(errno));
exit(-1);
}
if (optByteTimeout)
{
// modbus_set_byte_timeout(ctx, optByteTimeout); ####
modbus_set_byte_timeout(ctx, optByteTimeout->tv_sec, optByteTimeout->tv_usec);
}
if (optResponseTimeout)
{
// modbus_set_response_timeout(ctx, optResponseTimeout); ####
modbus_set_response_timeout(ctx, optResponseTimeout->tv_sec, optResponseTimeout->tv_usec);
}
if (verbose > 2)
{
uint32_t sec, usec;
// void modbus_set_byte_timeout(modbus_t *ctx, struct timeval *timeout);
modbus_get_byte_timeout(ctx, &sec, &usec);
byteTimeout.tv_sec = sec;
byteTimeout.tv_usec = usec;
// modbus_get_response_timeout(ctx, &responseTimeout); ####
modbus_get_response_timeout(ctx, &sec, &usec);
responseTimeout.tv_sec = sec;
responseTimeout.tv_usec = usec;
printf("MODBUS Byte Timeout: %lus %luus\n", byteTimeout.tv_sec, byteTimeout.tv_usec);
printf("MODBUS Response Timeout: %lus %luus\n", responseTimeout.tv_sec, responseTimeout.tv_usec);
}
#endif
if (optReport)
{
switch (optReport)
{
case 1:
// kWh
dumpRegister(0x0160);
break;
case 2:
// Voltage
dumpRegister(0x0010);
dumpRegister(0x0012);
dumpRegister(0x0014);
// Current
dumpRegister(0x0050);
dumpRegister(0x0052);
dumpRegister(0x0054);
dumpRegister(0x0056);
break;
case 3:
// Power
dumpRegister(0x0090);
dumpRegister(0x0092);
dumpRegister(0x0094);
dumpRegister(0x0096);
// Apparent Power
dumpRegister(0x00D0);
dumpRegister(0x00D2);
dumpRegister(0x00D4);
dumpRegister(0x00D6);
// Reactive Power
dumpRegister(0x0110);
dumpRegister(0x0112);
dumpRegister(0x0114);
dumpRegister(0x0116);
// Power Factor
dumpRegister(0x0150);
dumpRegister(0x0152);
dumpRegister(0x0154);
dumpRegister(0x0156);
break;
case 4:
dumpRegister(0xF111);
break;
default:
break;
}
exit(0);
} // optReport
if (optSetDate)
{ // Set current date on device
int rc = setDate(ctx, NULL);
exit(rc);
}
if (optSetBaudrate)
{ // Set new baudrate on device
int rc = setBaudrate(ctx, optSetBaudrate);
exit(rc);
}
if (optRegsToDump)
{
int rc = 0;
for (int i = 0; i < countRegs; i++)
{
rc = dumpRegister(optRegsToDump[i]);
// if (rc) break;
}
exit(rc);
} // optRegsToDump
modbus_close(ctx);
modbus_free(ctx);
exit(0);
} // main
/**********************************************************************
Some weird test stuff below this point only
**********************************************************************/
//uint8_t *tab_bytes;
//uint16_t tab_word[64];
//uint32_t tab_quad[64];
#if 0
for (int i = 0; reg_def[i]; i += 4)
{
uint8_t hi = reg_def[i] >> 8;
uint8_t lo = reg_def[i] & 0xFF;
uint8_t len = reg_def[i + 1];
printf("0x%04X Request [%02X:%02X:%4d]\n", reg_def[i], hi, lo, len);
uint8_t raw_req[] = { 0x01, 0x03, 0x00, 0x00 , 0x00, 0x00};
raw_req[2] = hi;
raw_req[3] = lo;