H2M Teststand
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Multiplexer-Test
Multiplexer lauffähig
Fork of Multiplexer-Test by
Revision 4:57163b0e7dbc, committed 2014-09-08
- Comitter:
- O_Shovah
- Date:
- Mon Sep 08 18:21:48 2014 +0000
- Parent:
- 3:cb991a9ba6a6
- Child:
- 5:c89afbb7d0b2
- Commit message:
- Stand vor Rebuild wg. Mutliplexer;
Changed in this revision
Multiplexer_read.cpp | Show annotated file Show diff for this revision Revisions of this file |
--- a/Multiplexer_read.cpp Mon Sep 08 15:53:42 2014 +0000 +++ b/Multiplexer_read.cpp Mon Sep 08 18:21:48 2014 +0000 @@ -42,7 +42,7 @@ float MOSFET_duty_cycle = 0; -volatile float Motorspannung, Bremsenspannung , Motorstrom, Aux,Bremsenstrom, Temperatur_0, Temperatur_1, Temperatur_2 ; +volatile float Motorspannung, Bremsenspannung , Motorstrom, Aux, Bremsenstrom, Temperatur_1, Temperatur_2, Temperatur_3 ; //int Motor_ratio = 0, curr_Motor_pwm_pulsewidth = 0,curr_MOSFET_pwm_pulsewidth = 0, Drehzahl = 0; @@ -57,92 +57,94 @@ void interr_read_sensors() { - int Messwert_0, Messwert_1,select_0 = 0, select_1 = 0; + int Messwert_0 = 0, Messwert_1 = 0, select_0 = 0, select_1 = 0; Multiplex_select_0 = 0, Multiplex_select_1 = 0; //Selection of Multiplexer states - - for (int i=0; i!=5; ++i) - - { + for (int i=0; i<=4; i++) { + //while(i<=4) { select_0 = Multiplex_select_0; select_1 = Multiplex_select_1; Messwert_0 = Messkanal_0.read_u16(); Messwert_1 = Messkanal_1.read_u16(); + + Multiplex_select_0 = i&0x01; + Multiplex_select_1 = (i>>1)&0x01; + wait(0.001); switch(i) { case 0: { - Temperatur_0 = Messwert_0; + Temperatur_1 = Messwert_0; Motorspannung = Messwert_1 * 0.000515 - 0.05 ; //Gute Näherung von 2- ~23V. Dannach zu niedrig.Z-Diode - + break; } + case 3: { + Aux = Messwert_0; + Bremsenstrom = Messwert_1; // * 0.00032 - 15.8; + + break; + } case 1: { - Temperatur_1 = Messwert_0; + Temperatur_2 = Messwert_0; Motorstrom = Messwert_1 * 0.000396 - 4.15; break; } case 2: { - Temperatur_2 = Messwert_0; + Temperatur_3 = Messwert_0; Bremsenspannung = Messwert_1 * 0.000515 - 0.05;//Gute Näherung von 2- ~23V. Dannach zu niedrig.Z-Diode - - break; - } - case 3: { - Aux = Messwert_0; - Bremsenstrom = Messwert_1;// * 0.00032 - 15.8; - break; } - default: { + /* default: { //i =0; - break; - } + break; */ + } - - Multiplex_select_0 = i&0x01; + + /* Multiplex_select_0 = i&0x01; Multiplex_select_1 = (i>>1)&0x01; wait(0.001); + //i++;*/ } - + } //*************************************************************************************************** -//Control Motor rpm +//Control Motor rpm int rpm_control(float motor_n_cmd, float motor_n_cur) { - + static int motor_pwm_cmd_last = 900; //static float motor_n_last = 0; - + if (motor_n_cmd < 1.0) { Motroregler_PWM.pulsewidth_us(900); motor_pwm_cmd_last = 900; // motor_n_last = 0; return 1; } - + float motor_n_dif = motor_n_cmd - motor_n_cur; - + int motor_pwm_cmd = (int)(motor_pwm_cmd_last + motor_n_dif * 0.6 + 0.5); // round() ... works only for positive values - + pc.printf("cmd: %7.2f, cur: %7.2f, dif: %7.2f, motor_pwm_cmd: %4d, motor_pwm_dif: %4d, DMS: %f\n\r", - motor_n_cmd*60, motor_n_cur*60, motor_n_dif*60, motor_pwm_cmd, motor_pwm_cmd-motor_pwm_cmd_last, ((int)DMS_0.read_u16())/65536.0*3.3); - + motor_n_cmd*60, motor_n_cur*60, motor_n_dif*60, motor_pwm_cmd, motor_pwm_cmd-motor_pwm_cmd_last, ((int)DMS_0.read_u16())/65536.0*3.3); + if (motor_pwm_cmd > 1900) motor_pwm_cmd = 1900; else if (motor_pwm_cmd < 1010) motor_pwm_cmd = 1005; - + Motroregler_PWM.pulsewidth_us(motor_pwm_cmd); motor_pwm_cmd_last = motor_pwm_cmd; @@ -155,29 +157,29 @@ //Control MOSFET pwm int brk_mosfet_control(float mosfet_pwm_cmd, float mosfet_pwm_cur) { - + static int mosfet_pwm_cmd_last = 0; - - + + if (mosfet_pwm_cmd < 1.0) { Bremsenstrom_MOSFET.pulsewidth_us(00); mosfet_pwm_cmd_last = 0; return 1; } - + float mosfet_pwm_dif = mosfet_pwm_cmd - mosfet_pwm_cur; - - // int mosfet_pwm_cmd = (int)(mosfet_pwm_cmd_last + mosfet_pwm_dif * 0.6 + 0.5); // round() ... works only for positive values - + + // int mosfet_pwm_cmd = (int)(mosfet_pwm_cmd_last + mosfet_pwm_dif * 0.6 + 0.5); // round() ... works only for positive values + pc.printf("cmd: %7.2f, cur: %7.2f, dif: %7.2f, mosfet_pwm_cmd: %4d, mosfet_pwm_dif: %4d", - mosfet_pwm_cmd, mosfet_pwm_cur, mosfet_pwm_dif, mosfet_pwm_cmd, mosfet_pwm_cmd-mosfet_pwm_cmd_last); - + mosfet_pwm_cmd, mosfet_pwm_cur, mosfet_pwm_dif, mosfet_pwm_cmd, mosfet_pwm_cmd-mosfet_pwm_cmd_last); + if (mosfet_pwm_cmd > 20000) mosfet_pwm_cmd = 20000; else if (mosfet_pwm_cmd < 0) mosfet_pwm_cmd = 0; - - Bremsenstrom_MOSFET.pulsewidth_us(mosfet_pwm_cmd); - + + Bremsenstrom_MOSFET.pulsewidth_us(mosfet_pwm_cmd); + mosfet_pwm_cmd_last = mosfet_pwm_cmd; return 1; @@ -191,9 +193,13 @@ static bool first_run = true; // Umlaufzeit.stop(); int tmp = Umlaufzeit.read_us(); - if (first_run) { Umlaufzeit.start(); first_run = false; return; } + if (first_run) { + Umlaufzeit.start(); + first_run = false; + return; + } if (tmp < 1000) return; - + // Cache last 3 values for averaging Drehzeit[Drehzeit_counter % DREHZEIT_SIZE] = tmp; ++Drehzeit_counter; @@ -205,34 +211,35 @@ // MAIN: int main(void) { - // Init networking - EthernetInterface eth; - int err = eth.init(); - if (err) - pc.printf("eth.init() failed. (%d)\n\r", err); - else - pc.printf("eth.init() successful.\n\r"); - err = eth.connect(); - if (err) - pc.printf("eth.connect() failed. (%d)\n\r", err); - else - pc.printf("eth.connect() successful.\n\r"); - - char *ip_address = eth.getIPAddress(); - pc.printf("IP-Address: %s\n\r", ip_address); - - err = udp.init(); - if (err) - pc.printf("udp.init() failed. (%d)\n\r", err); - else - pc.printf("udp.init() successful.\n\r"); - - err = udp_dest.set_address("192.168.0.183", 1234); - if (err) - pc.printf("udp_dest.set_address() failed. (%d)\n\r", err); - else - pc.printf("udp_dest.set_address() successful.\n\r"); - + /* + // Init networking + EthernetInterface eth; + int err = eth.init(); + if (err) + pc.printf("eth.init() failed. (%d)\n\r", err); + else + pc.printf("eth.init() successful.\n\r"); + err = eth.connect(); + if (err) + pc.printf("eth.connect() failed. (%d)\n\r", err); + else + pc.printf("eth.connect() successful.\n\r"); + + char *ip_address = eth.getIPAddress(); + pc.printf("IP-Address: %s\n\r", ip_address); + + err = udp.init(); + if (err) + pc.printf("udp.init() failed. (%d)\n\r", err); + else + pc.printf("udp.init() successful.\n\r"); + + err = udp_dest.set_address("192.168.0.183", 1234); + if (err) + pc.printf("udp_dest.set_address() failed. (%d)\n\r", err); + else + pc.printf("udp_dest.set_address() successful.\n\r"); + */ // Init PWM Bremsenstrom_MOSFET.period(0.020); @@ -240,15 +247,15 @@ Motroregler_PWM.pulsewidth_us(900); wait(1.0); - + Drehzahl_lichtschranke.fall(&Motor_drehzahl); ticker_read_sensor.attach(&interr_read_sensors, 1.0); - // Time counters + // Time counters Timer timer_print, timer_pwm; timer_print.start(); timer_pwm.start(); - + float motor_rpm_cmd = 0; float motor_n_cur = 0; @@ -256,65 +263,65 @@ while(true) { + /* + + if (pc.readable()) { + pc.printf("\n\r Motor rpm\n\r"); + pc.scanf("%f",&motor_rpm_cmd); + pc.printf("%f\n\r",motor_rpm_cmd); + + } + + // Calculate motor_n_cur by averaging + int drehzeit_sum = 0; + for (int i=0; i != DREHZEIT_SIZE; ++i) + drehzeit_sum += Drehzeit[i]; + + motor_n_cur = (drehzeit_sum ? (1.0e6/drehzeit_sum)*DREHZEIT_SIZE : 0.0); - if (pc.readable()) { - pc.printf("\n\r Motor rpm\n\r"); - pc.scanf("%f",&motor_rpm_cmd); - pc.printf("%f\n\r",motor_rpm_cmd); - - } -/* - // Calculate motor_n_cur by averaging - int drehzeit_sum = 0; - for (int i=0; i != DREHZEIT_SIZE; ++i) - drehzeit_sum += Drehzeit[i]; - - motor_n_cur = (drehzeit_sum ? (1.0e6/drehzeit_sum)*DREHZEIT_SIZE : 0.0); + // Set motor_n_cur to 0 if the interrupt wasn't called for a specified time + if (Umlaufzeit.read_ms() > 200) + motor_n_cur = 0.0; + - - // Set motor_n_cur to 0 if the interrupt wasn't called for a specified time - if (Umlaufzeit.read_ms() > 200) - motor_n_cur = 0.0; - - - // Controller is only called every n ms - if (timer_pwm.read_ms() > 500) { -// pc.printf("drehzeit_sum: %d, motor_n_cur: %f\n\r", drehzeit_sum, motor_n_cur); -// pc.printf("%d %d %d\n\r", Drehzeit[0], Drehzeit[1], Drehzeit[2]); - //timetest_0 = 1; - - timer_pwm.reset(); - rpm_control(motor_rpm_cmd/60.0, motor_n_cur); - // timetest_0 = 0; - } - */ - + // Controller is only called every n ms + if (timer_pwm.read_ms() > 500) { + // pc.printf("drehzeit_sum: %d, motor_n_cur: %f\n\r", drehzeit_sum, motor_n_cur); + // pc.printf("%d %d %d\n\r", Drehzeit[0], Drehzeit[1], Drehzeit[2]); + //timetest_0 = 1; + + timer_pwm.reset(); + rpm_control(motor_rpm_cmd/60.0, motor_n_cur); + // timetest_0 = 0; + } + */ + // Myled = 0; // wait (0.5); - - - + if (timer_print.read_ms() > 1000) { timer_print.reset(); - pc.printf(" [%Temperatur0, Motorspannung]; 0 %5.2f deg; 1 %5.2f V;", Temperatur_0, Motorspannung); - pc.printf(" [%Temperatur1, Motorstrom]; 0 %5.2f deg; 1 %5.2f A;", Temperatur_1, Motorstrom); - pc.printf(" [%Temperatur0, Bremsenspannung]; 0 %5.2f deg; 1 %5.2f V;", Temperatur_2, Bremsenspannung); + pc.printf(" [Temperatur1, Motorspannung]; 0 %5.2f deg; 1 %5.2f V;", Temperatur_1, Motorspannung); + pc.printf(" [Temperatur2, Motorstrom]; 0 %5.2f deg; 1 %5.2f A;", Temperatur_2, Motorstrom); + pc.printf(" [Temperatur3, Bremsenspannung]; 0 %5.2f deg; 1 %5.2f V;", Temperatur_3, Bremsenspannung); pc.printf(" [Aux, Bremsenstrom]; 0 %5.2f NA; 1 %5.2f A;", Aux, Bremsenstrom); - - float drehzahl = (Drehzeit ? 1.0e6/Drehzeit : 0.0); - pc.printf("\n\rCounter: %d, Drehzahl: %f rpm (%f Hz)\n\r\n\r", Drehzeit_counter, drehzahl*60, drehzahl); + pc.printf(" \n\r\n\r"); + + float drehzahl = 1;//(Drehzeit ? 1.0e6/Drehzeit : 0.0); - char udb_buf[] = "123"; + /* pc.printf("\n\rCounter: %d, Drehzahl: %f rpm (%f Hz)\n\r\n\r", Drehzeit_counter, drehzahl*60, drehzahl); + + char udb_buf[] = "Tescht"; err = udp.sendTo(udp_dest, udb_buf, sizeof(udb_buf)); if (err == -1) - pc.printf("udp.sendTo() failed. (%d)\n\r", err); - } - + pc.printf("udp.sendTo() failed. (%d)\n\r", err); + */ +} } } \ No newline at end of file