Hello Martyn, I just found my error in code and wanted to write it here, but I see you just suggest it. :) Yes this was the Problem, the variable sampleCountRead had different values (not initialized) and pointed to different values ... Extract from Help: noOfSamples, on entry: the number of samples...

I made some examples with different ways of reading Values. Try 1. Function_Start_Read_Pico - ps4000SetChannel -ps4000GetTimebase -ps4000RunBlock(...,CallBackBlock,..) wait for values: while (gState==0) DelayWithEventProcessing(0.1); -ps4000SetDataBuffer -ps4000GetValues In this case I always get th...

Hello, I'm using this code to read data from scope: typedef struct { int16_t handle; int *ptrIdPicoDevice; int state;// 0 - waiting for trigger/values read, 1- values are in buffer int armed;// 1 - a read operation was started for this device int16_t *buffers[MAX_NR_PICO_CHANNELS]; // array of buffe...