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Found 4 results

  1. Hello again! I'm trying to use the AD2 to act as both a signal source (wavegen1) and a measurement (scope1) device for the purpose of tracking conduction delay of the signal. Currently, I simply have the wavegen1 connected directly to scope1 with 3 cycles of a sine wave being put out. I am aware of the measure command to find the maximum on my scope1 but I was wondering if there was a way to find N (3 in my case) maximums AND find the corresponding times with respect to the timing of wavegen1? I plan to assume the timing of the wavegen1 is relatively accurate to my input frequency and can find the theoretical maximum thus having the initial time from which to subtract from my scope1 maximum times. Code thus far function doPing(){ print("Amplitude and Time Delay Recorded"); // User Inputs var Freq = 5e3; var Amp = 1.0; var N = 3; // WaveGen Settinngs Wavegen1.Synchronization.text = "Synchronized"; Wavegen1.States.Trigger.text = "None"; Wavegen1.States.Wait.value = 0; Wavegen1.States.Run.value = N/Freq; Wavegen1.States.Repeat.value = 1; Wavegen1.Channel1.Mode.text = "Simple"; Wavegen1.Channel1.Simple.Offset.value = 0.0; Wavegen1.Channel1.Simple.Amplitude.value = Amp; Wavegen1.Channel1.Simple.Frequency.value = Freq; // Scope Settings Scope1.Trigger.Trigger.text = "Repeated"; Scope1.Trigger.Type.text = "Auto"; Scope1.Trigger.Source.text = "Wavegen 1"; Scope1.Trigger.Condition.Text = "Rising"; Scope1.Trigger.Level.value = Amp/2; // Start instruments; wait(0.1);; // Measure var maximum = Scope1.Channel1.measure("Maximum"); print(N+" Max: "+maximum+" V"); //Want to do for 1:N and get time and amplitude with relation to time zero being the zero of the wavegen //Close out instruments Scope1.stop(); Wavegen1.stop(); } if(!('Wavegen1' in this) || !('Scope1' in this)) { throw("Please open a Scope and a Wavegen instrument"); } doPing();
  2. How can Analog Discovery 2 O-scope acquire data after a given time delay after a trigger, or after a given number of triggers on Scope Channels 1 or 2? This is a common function on older scopes, can AD2 perform this function? Thank You - Phil S
  3. bakytzhan

    Divide a clock signal

    Hello everybody! Guys, I wanted to ask How to do a seconds, minutes signal with Basys 3 ? How can I delay a 100 Mhz clock?
  4. Hi, When I try to use the delay function (__delay_ms() in a simple code for turning LEDs on and off, the project does not build. I have defined _XTAL_FREQ as indicated in MPLABX help. When I include 'delays.h' as indicated in the help, I get a parse error. When I try to build without including delays.h I get the error below. Are the delay functions not available foe PIC32MZ devices? I am using Flow Cloud Skeleton App, and the device is PIC32MZ2048ECG100 ChipKit WiFire. Below is the error and the code. ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ Error: c:/microchip/harmony/current/apps/flow/flow_skeletonapp/src/main.c:35: undefined reference to `__delay_us' ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ Code: #include <stddef.h> // Defines NULL #include <stdbool.h> // Defines true #include <stdlib.h> // Defines EXIT_FAILURE #include <system/debug/sys_debug.h> #include <tcpip/src/system/system_debug.h> #include <app_core.h> #include "app.h" #include "command_handlers.h" #define _XTAL_FREQ=200000000; //App information given to libappbase. static APP_info info = { .appName = "Flow PIC32MZ WiFire Skeleton App", .appVersion = "1.0.0", .appVersionDate = "23 Mar 2015", .AppTask = SYS_AppTask, .CommandSet = CommandSet, .CommandShow = CommandShow, .AppCLI_ResetHandler = CommandHandlers_ResetHandler }; //char message [200]; int main ( void ) { //libappbase inits and then runs our task. TRISE=0; //set all pins as outputs ANSELE=0; //set all 8 pins as digital while(1){ PORTE=0x00ff; //set all 8 pins to HIGH __delay_ms(100); PORTE=0x0000; //set all pins to LOW __delay_ms(100); } return APPCORE_init(&info); }