int write_data(modbus_param_t *param, slavedata_t *slavedata, haldata_t *haldata) { // int write_data[MAX_WRITE_REGS]; int retval; hal_float_t hzcalc; if (haldata->motor_hz<10) haldata->motor_hz = 60; if ((haldata->motor_RPM < 600) || (haldata->motor_RPM > 5000)) haldata->motor_RPM = 1800; hzcalc = haldata->motor_hz/haldata->motor_RPM; retval=preset_single_register(param, slavedata->slave, slavedata->write_reg_start, abs((int)(*(haldata->speed_command)*hzcalc*10))); if (*(haldata->spindle_on) != haldata->old_run) { if (*haldata->spindle_on){ preset_single_register(param, slavedata->slave, slavedata->write_reg_start+1, 1); comm_delay=0; } else preset_single_register(param, slavedata->slave, slavedata->write_reg_start+1, 0); haldata->old_run = *(haldata->spindle_on); } if (*(haldata->spindle_fwd) != haldata->old_dir) { if (*haldata->spindle_fwd) preset_single_register(param, slavedata->slave, slavedata->write_reg_start+2, 0); else preset_single_register(param, slavedata->slave, slavedata->write_reg_start+2, 1); haldata->old_dir = *(haldata->spindle_fwd); } if (*(haldata->spindle_fwd) || !(*(haldata->spindle_on))) // JET turn on and off rev based on the status of fwd *(haldata->spindle_rev) = 0; if (!(*haldata->spindle_fwd) && *(haldata->spindle_on)) *(haldata->spindle_rev) = 1; if (*(haldata->err_reset) != haldata->old_err_reset) { if (*(haldata->err_reset)) preset_single_register(param, slavedata->slave, slavedata->write_reg_start+4, 1); else preset_single_register(param, slavedata->slave, slavedata->write_reg_start+4, 0); haldata->old_err_reset = *(haldata->err_reset); } if (comm_delay < haldata->ack_delay){ // JET allow time for communications between drive and EMC comm_delay++; } if ((*haldata->spindle_on) && comm_delay == haldata->ack_delay){ // JET test for up to speed if ((*(haldata->freq_cmd))==(*(haldata->freq_out))) *(haldata->at_speed) = 1; } if (*(haldata->spindle_on)==0){ // JET reset at-speed *(haldata->at_speed) = 0; } haldata->retval = retval; return retval; }
void set_options(modbus_param_t * mb_param, char * arg){ int ret; uint16_t set_val; reg r; char key[256]; char * val; strcpy (key, arg); strtok_r (key, "=", &val); if(debug > 0){ printf("arg %s, key %s, val %s\n", arg, key, val); } r = lookup_reg(key); if(NO_SUCH_REG == r.addr){ printf("Error, %s is not a register\n", key); usage(); exit(1); } set_val = (*(r.from_display))(strtof(val, NULL)); if(debug > 0){ printf("arg %s is %s at 0x%04x, as int is %d\n", key, r.name, r.addr, set_val); } if(dry > 0 ){ printf("Dry run, not setting anything\n"); } else { // Now actually set the stuff ret = preset_single_register(mb_param, SUNSAVERMPPT, r.addr, set_val); if(debug > 0){ printf("set returnd %d\n", ret); } sleep(5); // just to be sure. Lots of lights flash on this thing when writing. Why? } }
int main(void) { uint8_t *tab_rp_status; uint16_t *tab_rp_registers; modbus_param_t mb_param; int i; uint8_t value; int address; int nb_points; int ret; /* RTU parity : none, even, odd */ /* modbus_init_rtu(&mb_param, "/dev/ttyS0", 19200, "none", 8, 1); */ /* TCP */ modbus_init_tcp(&mb_param, "127.0.0.1", 1502); /* modbus_set_debug(&mb_param, TRUE);*/ if (modbus_connect(&mb_param) == -1) { printf("ERROR Connection failed\n"); exit(1); } /* Allocate and initialize the memory to store the status */ nb_points = (UT_COIL_STATUS_NB_POINTS > UT_INPUT_STATUS_NB_POINTS) ? UT_COIL_STATUS_NB_POINTS : UT_INPUT_STATUS_NB_POINTS; tab_rp_status = (uint8_t *) malloc(nb_points * sizeof(uint8_t)); memset(tab_rp_status, 0, nb_points * sizeof(uint8_t)); /* Allocate and initialize the memory to store the registers */ nb_points = (UT_HOLDING_REGISTERS_NB_POINTS > UT_INPUT_REGISTERS_NB_POINTS) ? UT_HOLDING_REGISTERS_NB_POINTS : UT_INPUT_REGISTERS_NB_POINTS; tab_rp_registers = (uint16_t *) malloc(nb_points * sizeof(uint16_t)); memset(tab_rp_registers, 0, nb_points * sizeof(uint16_t)); printf("** UNIT TESTING **\n"); printf("\nTEST WRITE/READ:\n"); /** COIL STATUS **/ /* Single */ ret = force_single_coil(&mb_param, SLAVE, UT_COIL_STATUS_ADDRESS, ON); printf("1/2 force_single_coil: "); if (ret == 1) { printf("OK\n"); } else { printf("FAILED\n"); goto close; } ret = read_coil_status(&mb_param, SLAVE, UT_COIL_STATUS_ADDRESS, 1, tab_rp_status); printf("2/2 read_coil_status: "); if (ret != 1) { printf("FAILED (nb points %d)\n", ret); goto close; } if (tab_rp_status[0] != ON) { printf("FAILED (%0X = != %0X)\n", tab_rp_status[0], ON); goto close; } printf("OK\n"); /* End single */ /* Multiple coils */ { uint8_t tab_value[UT_COIL_STATUS_NB_POINTS]; set_bits_from_bytes(tab_value, 0, UT_COIL_STATUS_NB_POINTS, UT_COIL_STATUS_TAB); ret = force_multiple_coils(&mb_param, SLAVE, UT_COIL_STATUS_ADDRESS, UT_COIL_STATUS_NB_POINTS, tab_value); printf("1/2 force_multiple_coils: "); if (ret == UT_COIL_STATUS_NB_POINTS) { printf("OK\n"); } else { printf("FAILED\n"); goto close; } } ret = read_coil_status(&mb_param, SLAVE, UT_COIL_STATUS_ADDRESS, UT_COIL_STATUS_NB_POINTS, tab_rp_status); printf("2/2 read_coil_status: "); if (ret != UT_COIL_STATUS_NB_POINTS) { printf("FAILED (nb points %d)\n", ret); goto close; } i = 0; address = UT_COIL_STATUS_ADDRESS; nb_points = UT_COIL_STATUS_NB_POINTS; while (nb_points > 0) { int nb_bits = (nb_points > 8) ? 8 : nb_points; value = get_byte_from_bits(tab_rp_status, i*8, nb_bits); if (value != UT_COIL_STATUS_TAB[i]) { printf("FAILED (%0X != %0X)\n", value, UT_COIL_STATUS_TAB[i]); goto close; } nb_points -= nb_bits; i++; } printf("OK\n"); /* End of multiple coils */ /** INPUT STATUS **/ ret = read_input_status(&mb_param, SLAVE, UT_INPUT_STATUS_ADDRESS, UT_INPUT_STATUS_NB_POINTS, tab_rp_status); printf("1/1 read_input_status: "); if (ret != UT_INPUT_STATUS_NB_POINTS) { printf("FAILED (nb points %d)\n", ret); goto close; } i = 0; address = UT_INPUT_STATUS_ADDRESS; nb_points = UT_INPUT_STATUS_NB_POINTS; while (nb_points > 0) { int nb_bits = (nb_points > 8) ? 8 : nb_points; value = get_byte_from_bits(tab_rp_status, i*8, nb_bits); if (value != UT_INPUT_STATUS_TAB[i]) { printf("FAILED (%0X != %0X)\n", value, UT_INPUT_STATUS_TAB[i]); goto close; } nb_points -= nb_bits; i++; } printf("OK\n"); /** HOLDING REGISTERS **/ /* Single register */ ret = preset_single_register(&mb_param, SLAVE, UT_HOLDING_REGISTERS_ADDRESS, 0x1234); printf("1/2 preset_single_register: "); if (ret == 1) { printf("OK\n"); } else { printf("FAILED\n"); goto close; } ret = read_holding_registers(&mb_param, SLAVE, UT_HOLDING_REGISTERS_ADDRESS, 1, tab_rp_registers); printf("2/2 read_holding_registers: "); if (ret != 1) { printf("FAILED (nb points %d)\n", ret); goto close; } if (tab_rp_registers[0] != 0x1234) { printf("FAILED (%0X != %0X)\n", tab_rp_registers[0], 0x1234); goto close; } printf("OK\n"); /* End of single register */ /* Many registers */ ret = preset_multiple_registers(&mb_param, SLAVE, UT_HOLDING_REGISTERS_ADDRESS, UT_HOLDING_REGISTERS_NB_POINTS, UT_HOLDING_REGISTERS_TAB); printf("1/2 preset_multiple_registers: "); if (ret == UT_HOLDING_REGISTERS_NB_POINTS) { printf("OK\n"); } else { printf("FAILED\n"); goto close; } ret = read_holding_registers(&mb_param, SLAVE, UT_HOLDING_REGISTERS_ADDRESS, UT_HOLDING_REGISTERS_NB_POINTS, tab_rp_registers); printf("2/2 read_holding_registers: "); if (ret != UT_HOLDING_REGISTERS_NB_POINTS) { printf("FAILED (nb points %d)\n", ret); goto close; } for (i=0; i < UT_HOLDING_REGISTERS_NB_POINTS; i++) { if (tab_rp_registers[i] != UT_HOLDING_REGISTERS_TAB[i]) { printf("FAILED (%0X != %0X)\n", tab_rp_registers[i], UT_HOLDING_REGISTERS_TAB[i]); goto close; } } printf("OK\n"); /* End of many registers */ /** INPUT REGISTERS **/ ret = read_input_registers(&mb_param, SLAVE, UT_INPUT_REGISTERS_ADDRESS, UT_INPUT_REGISTERS_NB_POINTS, tab_rp_registers); printf("1/1 read_input_registers: "); if (ret != UT_INPUT_REGISTERS_NB_POINTS) { printf("FAILED (nb points %d)\n", ret); goto close; } for (i=0; i < UT_INPUT_REGISTERS_NB_POINTS; i++) { if (tab_rp_registers[i] != UT_INPUT_REGISTERS_TAB[i]) { printf("FAILED (%0X != %0X)\n", tab_rp_registers[i], UT_INPUT_REGISTERS_TAB[i]); goto close; } } printf("OK\n"); /** ILLEGAL DATA ADDRESS **/ printf("\nTEST ILLEGAL DATA ADDRESS:\n"); /* The mapping begins at 0 and ending at address + nb_points so * the addresses below are not valid. */ ret = read_coil_status(&mb_param, SLAVE, UT_COIL_STATUS_ADDRESS, UT_COIL_STATUS_NB_POINTS + 1, tab_rp_status); printf("* read_coil_status: "); if (ret == ILLEGAL_DATA_ADDRESS) printf("OK\n"); else printf("FAILED\n"); ret = read_input_status(&mb_param, SLAVE, UT_INPUT_STATUS_ADDRESS, UT_INPUT_STATUS_NB_POINTS + 1, tab_rp_status); printf("* read_input_status: "); if (ret == ILLEGAL_DATA_ADDRESS) printf("OK\n"); else printf("FAILED\n"); ret = read_holding_registers(&mb_param, SLAVE, UT_HOLDING_REGISTERS_ADDRESS, UT_HOLDING_REGISTERS_NB_POINTS + 1, tab_rp_registers); printf("* read_holding_registers: "); if (ret == ILLEGAL_DATA_ADDRESS) printf("OK\n"); else printf("FAILED\n"); ret = read_input_registers(&mb_param, SLAVE, UT_INPUT_REGISTERS_ADDRESS, UT_INPUT_REGISTERS_NB_POINTS + 1, tab_rp_registers); printf("* read_input_registers: "); if (ret == ILLEGAL_DATA_ADDRESS) printf("OK\n"); else printf("FAILED\n"); ret = force_single_coil(&mb_param, SLAVE, UT_COIL_STATUS_ADDRESS + UT_COIL_STATUS_NB_POINTS, ON); printf("* force_single_coil: "); if (ret == ILLEGAL_DATA_ADDRESS) { printf("OK\n"); } else { printf("FAILED\n"); } ret = force_multiple_coils(&mb_param, SLAVE, UT_COIL_STATUS_ADDRESS + UT_COIL_STATUS_NB_POINTS, UT_COIL_STATUS_NB_POINTS, tab_rp_status); printf("* force_multiple_coils: "); if (ret == ILLEGAL_DATA_ADDRESS) { printf("OK\n"); } else { printf("FAILED\n"); } ret = preset_multiple_registers(&mb_param, SLAVE, UT_HOLDING_REGISTERS_ADDRESS + UT_HOLDING_REGISTERS_NB_POINTS, UT_HOLDING_REGISTERS_NB_POINTS, tab_rp_registers); printf("* preset_multiple_registers: "); if (ret == ILLEGAL_DATA_ADDRESS) { printf("OK\n"); } else { printf("FAILED\n"); } /** TOO MANY DATA **/ printf("\nTEST TOO MANY DATA ERROR:\n"); ret = read_coil_status(&mb_param, SLAVE, UT_COIL_STATUS_ADDRESS, MAX_STATUS + 1, tab_rp_status); printf("* read_coil_status: "); if (ret == TOO_MANY_DATA) printf("OK\n"); else printf("FAILED\n"); ret = read_input_status(&mb_param, SLAVE, UT_INPUT_STATUS_ADDRESS, MAX_STATUS + 1, tab_rp_status); printf("* read_input_status: "); if (ret == TOO_MANY_DATA) printf("OK\n"); else printf("FAILED\n"); ret = read_holding_registers(&mb_param, SLAVE, UT_HOLDING_REGISTERS_ADDRESS, MAX_REGISTERS + 1, tab_rp_registers); printf("* read_holding_registers: "); if (ret == TOO_MANY_DATA) printf("OK\n"); else printf("FAILED\n"); ret = read_input_registers(&mb_param, SLAVE, UT_INPUT_REGISTERS_ADDRESS, MAX_REGISTERS + 1, tab_rp_registers); printf("* read_input_registers: "); if (ret == TOO_MANY_DATA) printf("OK\n"); else printf("FAILED\n"); ret = force_multiple_coils(&mb_param, SLAVE, UT_COIL_STATUS_ADDRESS, MAX_STATUS + 1, tab_rp_status); printf("* force_multiple_coils: "); if (ret == TOO_MANY_DATA) { printf("OK\n"); } else { printf("FAILED\n"); } ret = preset_multiple_registers(&mb_param, SLAVE, UT_HOLDING_REGISTERS_ADDRESS, MAX_REGISTERS + 1, tab_rp_registers); printf("* preset_multiple_registers: "); if (ret == TOO_MANY_DATA) { printf("OK\n"); } else { printf("FAILED\n"); } /** BAD RESPONSE **/ printf("\nTEST BAD RESPONSE ERROR:\n"); /* Allocate only the required space */ uint16_t *tab_rp_registers_bad = (uint16_t *) malloc( UT_HOLDING_REGISTERS_NB_POINTS_SPECIAL * sizeof(uint16_t)); ret = read_holding_registers(&mb_param, SLAVE, UT_HOLDING_REGISTERS_ADDRESS, UT_HOLDING_REGISTERS_NB_POINTS_SPECIAL, tab_rp_registers_bad); printf("* read_holding_registers: "); if (ret > 0) { /* Error not detected */ printf("FAILED\n"); } else { printf("OK\n"); } free(tab_rp_registers_bad); close: /* Free the memory */ free(tab_rp_status); free(tab_rp_registers); /* Close the connection */ modbus_close(&mb_param); return 0; }