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ps3000aCon.c
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ps3000aCon.c
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/*******************************************************************************
*
* Filename: ps3000aCon.c
*
* Description:
* This is a console mode program that demonstrates how to use the
* PicoScope 3000 Series (ps3000a) driver functions.
*
* Supported PicoScope models:
*
* PicoScope 3203A/B/D
* PicoScope 3204A/B/D
* PicoScope 3205A/B/D
* PicoScope 3206A/B/D
* PicoScope 3207A/B
* PicoScope 3203D MSO
* PicoScope 3204 MSO & D MSO
* PicoScope 3205 MSO & D MSO
* PicoScope 3206 MSO & D MSO
* PicoScope 3403D/D MSO
* PicoScope 3404A/B/D/D MSO
* PicoScope 3405A/B/D/D MSO
* PicoScope 3406A/B/D/D MSO
*
* Examples:
* Collect a block of samples immediately
* Collect a block of samples when a trigger event occurs
* Collect a block of samples using Equivalent Time Sampling (ETS)
* Collect samples using a rapid block capture with trigger
* Collect a stream of data immediately
* Collect a stream of data when a trigger event occurs
* Set Signal Generator, using standard or custom signals
* Change timebase & voltage scales
* Display data in mV or ADC counts
* Handle power source changes (PicoScope 34XXA/B, 32XX D/D MSO, &
* 34XX D/D MSO devices only)
*
* Digital Examples (MSO variants only):
* Collect a block of digital samples immediately
* Collect a block of digital samples when a trigger event occurs
* Collect a block of analogue & digital samples when analogue AND digital trigger events occurs
* Collect a block of analogue & digital samples when analogue OR digital trigger events occurs
* Collect a stream of digital data immediately
* Collect a stream of digital data and show aggregated values
*
*
* To build this application:
*
* If Microsoft Visual Studio (including Express) is being used:
*
* Select the solution configuration (Debug/Release) and platform (x86/x64)
* Ensure that the 32-/64-bit ps3000a.lib can be located
* Ensure that the ps3000aApi.h and PicoStatus.h files can be located
*
* Otherwise:
*
* Set up a project for a 32-/64-bit console mode application
* Add this file to the project
* Add 32-/64-bit ps3000a.lib to the project
* Add ps3000aApi.h and PicoStatus.h to the project
* Build the project
*
* Linux platforms:
*
* Ensure that the libps3000a driver package has been installed using the
* instructions from https://www.picotech.com/downloads/linux
*
* Place this file in the same folder as the files from the linux-build-files
* folder. In a terminal window, use the following commands to build
* the ps3000aCon application:
*
* ./autogen.sh <ENTER>
* make <ENTER>
*
* Copyright (C) 2011-2018 Pico Technology Ltd. See LICENSE file for terms.
*
******************************************************************************/
#include <stdio.h>
/* Headers for Windows */
#ifdef _WIN32
#include "windows.h"
#include <conio.h>
#include "ps3000aApi.h"
#else
#include <sys/types.h>
#include <string.h>
#include <termios.h>
#include <sys/ioctl.h>
#include <sys/types.h>
#include <unistd.h>
#include <stdlib.h>
#include <libps3000a-1.1/ps3000aApi.h>
#ifndef PICO_STATUS
#include <libps3000a-1.1/PicoStatus.h>
#endif
#define Sleep(a) usleep(1000*a)
#define scanf_s scanf
#define fscanf_s fscanf
#define memcpy_s(a,b,c,d) memcpy(a,c,d)
typedef enum enBOOL{FALSE,TRUE} BOOL;
/* A function to detect a keyboard press on Linux */
int32_t _getch()
{
struct termios oldt, newt;
int32_t ch;
int32_t bytesWaiting;
tcgetattr(STDIN_FILENO, &oldt);
newt = oldt;
newt.c_lflag &= ~( ICANON | ECHO );
tcsetattr(STDIN_FILENO, TCSANOW, &newt);
setbuf(stdin, NULL);
do {
ioctl(STDIN_FILENO, FIONREAD, &bytesWaiting);
if (bytesWaiting)
getchar();
} while (bytesWaiting);
ch = getchar();
tcsetattr(STDIN_FILENO, TCSANOW, &oldt);
return ch;
}
int32_t _kbhit()
{
struct termios oldt, newt;
int32_t bytesWaiting;
tcgetattr(STDIN_FILENO, &oldt);
newt = oldt;
newt.c_lflag &= ~( ICANON | ECHO );
tcsetattr(STDIN_FILENO, TCSANOW, &newt);
setbuf(stdin, NULL);
ioctl(STDIN_FILENO, FIONREAD, &bytesWaiting);
tcsetattr(STDIN_FILENO, TCSANOW, &oldt);
return bytesWaiting;
}
int32_t fopen_s(FILE ** a, const char * b, const char * c)
{
FILE * fp = fopen(b,c);
*a = fp;
return (fp>0)?0:-1;
}
/* A function to get a single character on Linux */
#define max(a,b) ((a) > (b) ? a : b)
#define min(a,b) ((a) < (b) ? a : b)
#endif
#define PREF4 __stdcall
int32_t cycles = 0;
#define BUFFER_SIZE 1024
#define QUAD_SCOPE 4
#define DUAL_SCOPE 2
// AWG Parameters
#define AWG_DAC_FREQUENCY 20e6
#define AWG_DAC_FREQUENCY_PS3207B 100e6
#define AWG_PHASE_ACCUMULATOR 4294967296.0
typedef enum
{
ANALOGUE,
DIGITAL,
AGGREGATED,
MIXED
}MODE;
typedef struct
{
int16_t DCcoupled;
int16_t range;
int16_t enabled;
}CHANNEL_SETTINGS;
typedef enum
{
SIGGEN_NONE = 0,
SIGGEN_FUNCTGEN = 1,
SIGGEN_AWG = 2
} SIGGEN_TYPE;
typedef struct tTriggerDirections
{
PS3000A_THRESHOLD_DIRECTION channelA;
PS3000A_THRESHOLD_DIRECTION channelB;
PS3000A_THRESHOLD_DIRECTION channelC;
PS3000A_THRESHOLD_DIRECTION channelD;
PS3000A_THRESHOLD_DIRECTION ext;
PS3000A_THRESHOLD_DIRECTION aux;
}TRIGGER_DIRECTIONS;
typedef struct tPwq
{
PS3000A_PWQ_CONDITIONS_V2 * conditions;
int16_t nConditions;
PS3000A_THRESHOLD_DIRECTION direction;
uint32_t lower;
uint32_t upper;
PS3000A_PULSE_WIDTH_TYPE type;
}PWQ;
typedef struct
{
int16_t handle;
int8_t model[8];
PS3000A_RANGE firstRange ;
PS3000A_RANGE lastRange;
int16_t channelCount;
int16_t maxValue;
int16_t sigGen;
int16_t ETS;
int32_t AWGFileSize;
CHANNEL_SETTINGS channelSettings [PS3000A_MAX_CHANNELS];
int16_t digitalPorts;
}UNIT;
uint32_t timebase = 8;
int16_t oversample = 1;
BOOL scaleVoltages = TRUE;
uint16_t inputRanges [PS3000A_MAX_RANGES] = {10, 20, 50, 100, 200, 500, 1000, 2000, 5000, 10000, 20000, 50000};
BOOL g_ready = FALSE;
int32_t g_times [PS3000A_MAX_CHANNELS] = {0, 0, 0, 0};
int16_t g_timeUnit;
int32_t g_sampleCount;
uint32_t g_startIndex;
int16_t g_autoStopped;
int16_t g_trig = 0;
uint32_t g_trigAt = 0;
char BlockFile[20] = "block.txt";
char DigiBlockFile[20] = "digiBlock.txt";
char StreamFile[20] = "stream.txt";
typedef struct tBufferInfo
{
UNIT * unit;
MODE mode;
int16_t **driverBuffers;
int16_t **appBuffers;
int16_t **driverDigBuffers;
int16_t **appDigBuffers;
} BUFFER_INFO;
/****************************************************************************
* Streaming callback
* Used by ps3000a data streaming collection calls, on receipt of data.
* Used to set global flags etc. checked by user routines
****************************************************************************/
void PREF4 callBackStreaming( int16_t handle,
int32_t noOfSamples,
uint32_t startIndex,
int16_t overflow,
uint32_t triggerAt,
int16_t triggered,
int16_t autoStop,
void *pParameter)
{
int32_t channel;
BUFFER_INFO * bufferInfo = NULL;
if (pParameter != NULL)
{
bufferInfo = (BUFFER_INFO *) pParameter;
}
// used for streaming
g_sampleCount = noOfSamples;
g_startIndex = startIndex;
g_autoStopped = autoStop;
// flag to say done reading data
g_ready = TRUE;
// flags to show if & where a trigger has occurred
g_trig = triggered;
g_trigAt = triggerAt;
if (bufferInfo != NULL && noOfSamples)
{
if (bufferInfo->mode == ANALOGUE)
{
for (channel = 0; channel < bufferInfo->unit->channelCount; channel++)
{
if (bufferInfo->unit->channelSettings[channel].enabled)
{
if (bufferInfo->appBuffers && bufferInfo->driverBuffers)
{
if (bufferInfo->appBuffers[channel * 2] && bufferInfo->driverBuffers[channel * 2])
{
memcpy_s (&bufferInfo->appBuffers[channel * 2][startIndex], noOfSamples * sizeof(int16_t),
&bufferInfo->driverBuffers[channel * 2][startIndex], noOfSamples * sizeof(int16_t));
}
if (bufferInfo->appBuffers[channel * 2 + 1] && bufferInfo->driverBuffers[channel * 2 + 1])
{
memcpy_s (&bufferInfo->appBuffers[channel * 2 + 1][startIndex], noOfSamples * sizeof(int16_t),
&bufferInfo->driverBuffers[channel * 2 + 1][startIndex], noOfSamples * sizeof(int16_t));
}
}
}
}
}
else if (bufferInfo->mode == AGGREGATED)
{
for (channel = 0; channel < bufferInfo->unit->digitalPorts; channel++)
{
if (bufferInfo->appDigBuffers && bufferInfo->driverDigBuffers)
{
if (bufferInfo->appDigBuffers[channel * 2] && bufferInfo->driverDigBuffers[channel * 2])
{
memcpy_s (&bufferInfo->appDigBuffers[channel * 2][startIndex], noOfSamples * sizeof(int16_t),
&bufferInfo->driverDigBuffers[channel * 2][startIndex], noOfSamples * sizeof(int16_t));
}
if (bufferInfo->appDigBuffers[channel * 2 + 1] && bufferInfo->driverDigBuffers[channel * 2 + 1])
{
memcpy_s (&bufferInfo->appDigBuffers[channel * 2 + 1][startIndex], noOfSamples * sizeof(int16_t),
&bufferInfo->driverDigBuffers[channel * 2 + 1][startIndex], noOfSamples * sizeof(int16_t));
}
}
}
}
else if (bufferInfo->mode == DIGITAL)
{
for (channel = 0; channel < bufferInfo->unit->digitalPorts; channel++)
{
if (bufferInfo->appDigBuffers && bufferInfo->driverDigBuffers)
{
if (bufferInfo->appDigBuffers[channel] && bufferInfo->driverDigBuffers[channel])
{
memcpy_s (&bufferInfo->appDigBuffers[channel][startIndex], noOfSamples * sizeof(int16_t),
&bufferInfo->driverDigBuffers[channel][startIndex], noOfSamples * sizeof(int16_t));
}
}
}
}
}
}
/****************************************************************************
* Block Callback
* used by ps3000a data block collection calls, on receipt of data.
* used to set global flags etc checked by user routines
****************************************************************************/
void PREF4 callBackBlock( int16_t handle, PICO_STATUS status, void * pParameter)
{
if (status != PICO_CANCELLED)
{
g_ready = TRUE;
}
}
/****************************************************************************
* setDefaults - restore default settings
****************************************************************************/
void setDefaults(UNIT * unit)
{
int32_t i;
PICO_STATUS status;
status = ps3000aSetEts(unit->handle, PS3000A_ETS_OFF, 0, 0, NULL); // Turn off ETS
printf(status?"SetDefaults:ps3000aSetEts------ 0x%08lx \n":"", status);
for (i = 0; i < unit->channelCount; i++) // reset channels to most recent settings
{
status = ps3000aSetChannel(unit->handle, (PS3000A_CHANNEL)(PS3000A_CHANNEL_A + i),
unit->channelSettings[PS3000A_CHANNEL_A + i].enabled,
(PS3000A_COUPLING)unit->channelSettings[PS3000A_CHANNEL_A + i].DCcoupled,
(PS3000A_RANGE)unit->channelSettings[PS3000A_CHANNEL_A + i].range, 0);
printf(status?"SetDefaults:ps3000aSetChannel------ 0x%08lx \n":"", status);
}
}
/****************************************************************************
* setDigitals - enable or disable Digital Channels
****************************************************************************/
PICO_STATUS setDigitals(UNIT *unit, int16_t state)
{
PICO_STATUS status;
int16_t logicLevel;
float logicVoltage = 1.5;
int16_t maxLogicVoltage = 5;
int16_t timebase = 1;
int16_t port;
// Set logic threshold
logicLevel = (int16_t) ((logicVoltage / maxLogicVoltage) * PS3000A_MAX_LOGIC_LEVEL);
// Enable Digital ports
for (port = PS3000A_DIGITAL_PORT0; port <= PS3000A_DIGITAL_PORT1; port++)
{
status = ps3000aSetDigitalPort(unit->handle, (PS3000A_DIGITAL_PORT)port, state, logicLevel);
printf(status?"SetDigitals:PS3000ASetDigitalPort(Port 0x%X) ------ 0x%08lx \n":"", port, status);
}
return status;
}
/****************************************************************************
* disableAnalogue - Disable Analogue Channels
****************************************************************************/
PICO_STATUS disableAnalogue(UNIT *unit)
{
PICO_STATUS status;
int16_t ch;
// Turn off analogue channels, keeping settings
for (ch = 0; ch < unit->channelCount; ch++)
{
unit->channelSettings[ch].enabled = FALSE;
status = ps3000aSetChannel(unit->handle, (PS3000A_CHANNEL) ch, unit->channelSettings[ch].enabled, (PS3000A_COUPLING) unit->channelSettings[ch].DCcoupled,
(PS3000A_RANGE) unit->channelSettings[ch].range, 0);
if(status != PICO_OK)
{
printf("disableAnalogue:ps3000aSetChannel(channel %d) ------ 0x%08lx \n", ch, status);
}
}
return status;
}
/****************************************************************************
* restoreAnalogueSettings - Restores Analogue Channel settings
****************************************************************************/
PICO_STATUS restoreAnalogueSettings(UNIT *unit)
{
PICO_STATUS status;
int16_t ch;
// Turn on analogue channels using previous settings
for (ch = 0; ch < unit->channelCount; ch++)
{
status = ps3000aSetChannel(unit->handle, (PS3000A_CHANNEL) ch, unit->channelSettings[ch].enabled, (PS3000A_COUPLING) unit->channelSettings[ch].DCcoupled,
(PS3000A_RANGE) unit->channelSettings[ch].range, 0);
if(status != PICO_OK)
{
printf("restoreAnalogueSettings:ps3000aSetChannel(channel %d) ------ 0x%08lx \n", ch, status);
}
}
return status;
}
/****************************************************************************
* adc_to_mv
*
* Convert an 16-bit ADC count into millivolts
****************************************************************************/
int32_t adc_to_mv(int32_t raw, int32_t ch, UNIT * unit)
{
return (raw * inputRanges[ch]) / unit->maxValue;
}
/****************************************************************************
* mv_to_adc
*
* Convert a millivolt value into a 16-bit ADC count
*
* (useful for setting trigger thresholds)
****************************************************************************/
int16_t mv_to_adc(int16_t mv, int16_t ch, UNIT * unit)
{
return (mv * unit->maxValue) / inputRanges[ch];
}
/****************************************************************************************
* changePowerSource - function to handle switches between +5 V supply, and USB-only power
* Only applies to PicoScope 34xxA/B/D/D MSO units
******************************************************************************************/
PICO_STATUS changePowerSource(int16_t handle, PICO_STATUS status)
{
char ch;
switch (status)
{
case PICO_POWER_SUPPLY_NOT_CONNECTED: // User must acknowledge they want to power via USB
do
{
printf("\n5 V power supply not connected");
printf("\nDo you want to run using USB only Y/N?\n");
ch = toupper(_getch());
if(ch == 'Y')
{
printf("\nPowering the unit via USB\n");
status = ps3000aChangePowerSource(handle, PICO_POWER_SUPPLY_NOT_CONNECTED); // Tell the driver that's ok
if (status == PICO_POWER_SUPPLY_UNDERVOLTAGE)
{
status = changePowerSource(handle, status);
}
}
}
while(ch != 'Y' && ch != 'N');
printf(ch == 'N'?"Please use the +5 V power supply to power this unit\n":"");
break;
case PICO_POWER_SUPPLY_CONNECTED:
printf("\nUsing +5V power supply voltage\n");
status = ps3000aChangePowerSource(handle, PICO_POWER_SUPPLY_CONNECTED); // Tell the driver we are powered from +5 V supply
break;
case PICO_USB3_0_DEVICE_NON_USB3_0_PORT:
printf("\nUSB 3.0 device on non-USB 3.0 port.\n");
status = ps3000aChangePowerSource(handle, PICO_USB3_0_DEVICE_NON_USB3_0_PORT); // Tell the driver that it is ok for the device to be on a non-USB 3.0 port
break;
case PICO_POWER_SUPPLY_UNDERVOLTAGE:
do
{
printf("\nUSB not supplying required voltage");
printf("\nPlease plug in the +5 V power supply\n");
printf("\nHit any key to continue, or Esc to exit...\n");
ch = _getch();
if (ch == 0x1B) // ESC key
{
exit(0);
}
else
{
status = ps3000aChangePowerSource(handle, PICO_POWER_SUPPLY_CONNECTED); // Tell the driver that's ok
}
}
while (status == PICO_POWER_SUPPLY_REQUEST_INVALID);
break;
}
return status;
}
/****************************************************************************
* clearDataBuffers
*
* stops GetData writing values to memory that has been released
****************************************************************************/
PICO_STATUS clearDataBuffers(UNIT * unit)
{
int32_t i;
PICO_STATUS status;
for (i = 0; i < unit->channelCount; i++)
{
if((status = ps3000aSetDataBuffers(unit->handle, (PS3000A_CHANNEL) i, NULL, NULL, 0, 0, PS3000A_RATIO_MODE_NONE)) != PICO_OK)
{
printf("ClearDataBuffers:ps3000aSetDataBuffers(channel %d) ------ 0x%08lx \n", i, status);
}
}
for (i= 0; i < unit->digitalPorts; i++)
{
if((status = ps3000aSetDataBuffer(unit->handle, (PS3000A_CHANNEL) (i + PS3000A_DIGITAL_PORT0), NULL, 0, 0, PS3000A_RATIO_MODE_NONE))!= PICO_OK)
{
printf("ClearDataBuffers:ps3000aSetDataBuffer(port 0x%X) ------ 0x%08lx \n", i + PS3000A_DIGITAL_PORT0, status);
}
}
return status;
}
/****************************************************************************
* blockDataHandler
* - Used by all block data routines
* - acquires data (user sets trigger mode before calling), displays 10 items
* and saves all to block.txt
* Input :
* - unit : the unit to use.
* - text : the text to display before the display of data slice
* - offset : the offset into the data buffer to start the display's slice.
****************************************************************************/
void blockDataHandler(UNIT * unit, char * text, int32_t offset, MODE mode)
{
int16_t retry;
int16_t bit;
uint16_t bitValue;
uint16_t digiValue;
int16_t * buffers[PS3000A_MAX_CHANNEL_BUFFERS];
int16_t * digiBuffer[PS3000A_MAX_DIGITAL_PORTS];
int32_t i, j;
int32_t timeInterval;
int32_t sampleCount = BUFFER_SIZE;
int32_t maxSamples;
int32_t timeIndisposed;
FILE * fp = NULL;
FILE * digiFp = NULL;
PICO_STATUS status;
PS3000A_RATIO_MODE ratioMode = PS3000A_RATIO_MODE_NONE;
if (mode == ANALOGUE || mode == MIXED) // Analogue or (MSO Only) MIXED
{
for (i = 0; i < unit->channelCount; i++)
{
if(unit->channelSettings[i].enabled)
{
buffers[i * 2] = (int16_t*) calloc(sampleCount, sizeof(int16_t));
buffers[i * 2 + 1] = (int16_t*) calloc(sampleCount, sizeof(int16_t));
status = ps3000aSetDataBuffers(unit->handle, (PS3000A_CHANNEL)i, buffers[i * 2], buffers[i * 2 + 1], sampleCount, 0, ratioMode);
printf(status?"BlockDataHandler:ps3000aSetDataBuffers(channel %d) ------ 0x%08lx \n":"", i, status);
}
}
}
if (mode == DIGITAL || mode == MIXED) // (MSO Only) Digital or MIXED
{
for (i= 0; i < unit->digitalPorts; i++)
{
digiBuffer[i] = (int16_t*) calloc(sampleCount, sizeof(int16_t));
status = ps3000aSetDataBuffer(unit->handle, (PS3000A_CHANNEL) (i + PS3000A_DIGITAL_PORT0), digiBuffer[i], sampleCount, 0, ratioMode);
printf(status?"BlockDataHandler:ps3000aSetDataBuffer(port 0x%X) ------ 0x%08lx \n":"", i + PS3000A_DIGITAL_PORT0, status);
}
}
/* Find the maximum number of samples and the time interval (in nanoseconds) */
while (ps3000aGetTimebase(unit->handle, timebase, sampleCount, &timeInterval, oversample, &maxSamples, 0))
{
timebase++;
}
printf("\nTimebase: %lu Sample interval: %ld ns \n", timebase, timeInterval);
/* Start the device collecting, then wait for completion*/
g_ready = FALSE;
do
{
retry = 0;
status = ps3000aRunBlock(unit->handle, 0, sampleCount, timebase, oversample, &timeIndisposed, 0, callBackBlock, NULL);
if (status != PICO_OK)
{
if (status == PICO_POWER_SUPPLY_CONNECTED || status == PICO_POWER_SUPPLY_NOT_CONNECTED ||
status == PICO_POWER_SUPPLY_UNDERVOLTAGE) // PicoScope 340XA/B/D/D MSO devices...+5 V PSU connected or removed
{
status = changePowerSource(unit->handle, status);
retry = 1;
}
else
{
printf("BlockDataHandler:ps3000aRunBlock ------ 0x%08lx \n", status);
return;
}
}
}
while (retry);
printf("Waiting for trigger...Press a key to abort\n");
while (!g_ready && !_kbhit())
{
Sleep(0);
}
if (g_ready)
{
status = ps3000aGetValues(unit->handle, 0, (uint32_t*) &sampleCount, 1, ratioMode, 0, NULL);
if (status != PICO_OK)
{
if (status == PICO_POWER_SUPPLY_CONNECTED || status == PICO_POWER_SUPPLY_NOT_CONNECTED || status == PICO_POWER_SUPPLY_UNDERVOLTAGE)
{
if (status == PICO_POWER_SUPPLY_UNDERVOLTAGE)
{
changePowerSource(unit->handle, status);
}
else
{
printf("\nPower Source Changed. Data collection aborted.\n");
}
}
else
{
printf("BlockDataHandler:ps3000aGetValues ------ 0x%08lx \n", status);
}
}
else
{
/* Print out the first 10 readings, converting the readings to mV if required */
printf("%s\n",text);
if (mode == ANALOGUE || mode == MIXED) // If we are capturing analogue or MIXED (analogue + digital) data
{
printf("Channels are in %s\n\n", ( scaleVoltages ) ? ("mV") : ("ADC Counts"));
for (j = 0; j < unit->channelCount; j++)
{
if (unit->channelSettings[j].enabled)
{
printf("Channel %c: ", 'A' + j);
}
}
printf("\n");
}
if (mode == DIGITAL || mode == MIXED) // If we are capturing digital or MIXED data
{
printf("Digital\n");
}
printf("\n");
for (i = offset; i < offset+10; i++)
{
if (mode == ANALOGUE || mode == MIXED) // If we are capturing analogue or MIXED data
{
for (j = 0; j < unit->channelCount; j++)
{
if (unit->channelSettings[j].enabled)
{
printf(" %d ", scaleVoltages ?
adc_to_mv(buffers[j * 2][i], unit->channelSettings[PS3000A_CHANNEL_A + j].range, unit) // If scaleVoltages, print mV value
: buffers[j * 2][i]); // else print ADC Count
}
}
}
if (mode == DIGITAL || mode == MIXED) // If we're doing digital or MIXED
{
digiValue = 0x00ff & digiBuffer[1][i]; // Mask Port 1 values to get lower 8 bits
digiValue <<= 8; // Shift by 8 bits to place in upper 8 bits of 16-bit word
digiValue |= digiBuffer[0][i]; // Mask Port 0 values to get lower 8 bits and apply bitwise inclusive OR to combine with Port 1 values
printf("0x%04X", digiValue);
}
printf("\n");
}
if (mode == ANALOGUE || mode == MIXED) // If we're doing analogue or MIXED
{
sampleCount = min(sampleCount, BUFFER_SIZE);
fopen_s(&fp, BlockFile, "w");
if (fp != NULL)
{
fprintf(fp, "Block Data log\n\n");
fprintf(fp,"Results shown for each of the %d Channels are......\n",unit->channelCount);
fprintf(fp,"Maximum Aggregated value ADC Count & mV, Minimum Aggregated value ADC Count & mV\n\n");
fprintf(fp, "Time ");
for (i = 0; i < unit->channelCount; i++)
{
if (unit->channelSettings[i].enabled)
{
fprintf(fp," Ch Max ADC Max mV Min ADC Min mV ");
}
}
fprintf(fp, "\n");
for (i = 0; i < sampleCount; i++)
{
fprintf(fp, "%d ", g_times[0] + (int32_t)(i * timeInterval));
for (j = 0; j < unit->channelCount; j++)
{
if (unit->channelSettings[j].enabled)
{
fprintf( fp,
"Ch%C %d = %+dmV, %d = %+dmV ",
'A' + j,
buffers[j * 2][i],
adc_to_mv(buffers[j * 2][i], unit->channelSettings[PS3000A_CHANNEL_A + j].range, unit),
buffers[j * 2 + 1][i],
adc_to_mv(buffers[j * 2 + 1][i], unit->channelSettings[PS3000A_CHANNEL_A + j].range, unit));
}
}
fprintf(fp, "\n");
}
}
else
{
printf( "Cannot open the file %s for writing.\n"
"Please ensure that you have permission to access.\n", BlockFile);
}
}
// Output digital values to separate file
if (mode == DIGITAL || mode == MIXED)
{
fopen_s(&digiFp, DigiBlockFile, "w");
if (digiFp != NULL)
{
fprintf(digiFp, "Block Digital Data log\n");
fprintf(digiFp, "Digital Channels will be in the order D15...D0\n");
fprintf(digiFp, "\n");
for (i = 0; i < sampleCount; i++)
{
digiValue = 0x00ff & digiBuffer[1][i]; // Mask Port 1 values to get lower 8 bits
digiValue <<= 8; // Shift by 8 bits to place in upper 8 bits of 16-bit word
digiValue |= digiBuffer[0][i]; // Mask Port 0 values to get lower 8 bits and apply bitwise inclusive OR to combine with Port 1 values
// Output data in binary form
for (bit = 0; bit < 16; bit++)
{
// Shift value (32768 - binary 1000 0000 0000 0000), AND with value to get 1 or 0 for channel
// Order will be D15 to D8, then D7 to D0
bitValue = (0x8000 >> bit) & digiValue? 1 : 0;
fprintf(digiFp, "%d, ", bitValue);
}
fprintf(digiFp, "\n");
}
}
}
}
}
else
{
printf("\nData collection aborted.\n");
_getch();
}
if ((status = ps3000aStop(unit->handle)) != PICO_OK)
{
printf("BlockDataHandler:ps3000aStop ------ 0x%08lx \n", status);
}
if (fp != NULL)
{
fclose(fp);
}
if (digiFp != NULL)
{
fclose(digiFp);
}
if (mode == ANALOGUE || mode == MIXED) // Only if we allocated these buffers
{
for (i = 0; i < unit->channelCount; i++)
{
if(unit->channelSettings[i].enabled)
{
free(buffers[i * 2]);
free(buffers[i * 2 + 1]);
}
}
}
if (mode == DIGITAL || mode == MIXED) // Only if we allocated these buffers
{
for (i = 0; i < unit->digitalPorts; i++)
{
free(digiBuffer[i]);
}
}
clearDataBuffers(unit);
}
/****************************************************************************
* Stream Data Handler
* - Used by the two stream data examples - untriggered and triggered
* Inputs:
* - unit - the unit to sample on
* - preTrigger - the number of samples in the pre-trigger phase
* (0 if no trigger has been set)
***************************************************************************/
void streamDataHandler(UNIT * unit, uint32_t preTrigger, MODE mode)
{
int16_t autostop;
int16_t retry = 0;
int16_t powerChange = 0;
uint16_t portValue, portValueOR, portValueAND;
int32_t i, j;
int32_t bit;
int32_t index = 0;
int32_t totalSamples;
uint32_t postTrigger;
uint32_t sampleCount = 100000; /* Make sure buffer large enough */
uint32_t sampleInterval;
uint32_t downsampleRatio;
uint32_t triggeredAt = 0;
int16_t * buffers[PS3000A_MAX_CHANNEL_BUFFERS];
int16_t * appBuffers[PS3000A_MAX_CHANNEL_BUFFERS];
int16_t * digiBuffers[PS3000A_MAX_DIGITAL_PORTS];
int16_t * appDigiBuffers[PS3000A_MAX_DIGITAL_PORTS];
PICO_STATUS status;
PS3000A_TIME_UNITS timeUnits;
PS3000A_RATIO_MODE ratioMode;
BUFFER_INFO bufferInfo;
FILE * fp = NULL;
if (mode == ANALOGUE) // Analogue - collect raw data
{
for (i = 0; i < unit->channelCount; i++)
{
if(unit->channelSettings[i].enabled)
{
buffers[i * 2] = (int16_t*) calloc(sampleCount, sizeof(int16_t));
buffers[i * 2 + 1] = (int16_t*) calloc(sampleCount, sizeof(int16_t));
status = ps3000aSetDataBuffers(unit->handle, (PS3000A_CHANNEL)i, buffers[i * 2], buffers[i * 2 + 1], sampleCount, 0, PS3000A_RATIO_MODE_NONE);
appBuffers[i * 2] = (int16_t*) calloc(sampleCount, sizeof(int16_t));
appBuffers[i * 2 + 1] = (int16_t*) calloc(sampleCount, sizeof(int16_t));
printf(status ? "StreamDataHandler:ps3000aSetDataBuffers(channel %ld) ------ 0x%08lx \n":"", i, status);
}
}
downsampleRatio = 1;
timeUnits = PS3000A_US;
sampleInterval = 10;
ratioMode = PS3000A_RATIO_MODE_NONE;
postTrigger = 1000000;
autostop = TRUE;
}
bufferInfo.unit = unit;
bufferInfo.mode = mode;
bufferInfo.driverBuffers = buffers;
bufferInfo.appBuffers = appBuffers;
bufferInfo.driverDigBuffers = digiBuffers;
bufferInfo.appDigBuffers = appDigiBuffers;
if (mode == AGGREGATED) // (MSO Only) AGGREGATED
{
for (i= 0; i < unit->digitalPorts; i++)
{
digiBuffers[i * 2] = (int16_t*) calloc(sampleCount, sizeof(int16_t));
digiBuffers[i * 2 + 1] = (int16_t*) calloc(sampleCount, sizeof(int16_t));
status = ps3000aSetDataBuffers(unit->handle, (PS3000A_CHANNEL) (i + PS3000A_DIGITAL_PORT0), digiBuffers[i * 2], digiBuffers[i * 2 + 1], sampleCount, 0, PS3000A_RATIO_MODE_AGGREGATE);
appDigiBuffers[i * 2] = (int16_t*) calloc(sampleCount, sizeof(int16_t));
appDigiBuffers[i * 2 + 1] = (int16_t*) calloc(sampleCount, sizeof(int16_t));
printf(status?"StreamDataHandler:ps3000aSetDataBuffer(channel %ld) ------ 0x%08lx \n":"", i, status);
}
downsampleRatio = 10;
timeUnits = PS3000A_MS;
sampleInterval = 10;
ratioMode = PS3000A_RATIO_MODE_AGGREGATE;
postTrigger = 10;
autostop = FALSE;
}
if (mode == DIGITAL) // (MSO Only) Digital
{
for (i= 0; i < unit->digitalPorts; i++)
{
digiBuffers[i] = (int16_t*) calloc(sampleCount, sizeof(int16_t));
status = ps3000aSetDataBuffer(unit->handle, (PS3000A_CHANNEL) (i + PS3000A_DIGITAL_PORT0), digiBuffers[i], sampleCount, 0, PS3000A_RATIO_MODE_NONE);