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more directionalThreshold...

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This commit is contained in:
iceman1001 2017-07-27 22:17:16 +02:00
parent 16b494fa71
commit 998d752bd5
2 changed files with 33 additions and 27 deletions
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51
client/cmddata.c
View file

@ -2397,6 +2397,33 @@ int CmdScale(const char *Cmd)
RepaintGraphWindow();
return 0;
}
int directionalThreshold(const int* in, int *out, size_t len, int8_t up, int8_t down)
{
int lastValue = in[0];
out[0] = 0; // Will be changed at the end, but init 0 as we adjust to last samples value if no threshold kicks in.
for (size_t i = 1; i < len; ++i) {
// Apply first threshold to samples heading up
if (in[i] >= up && in[i] > lastValue)
{
lastValue = out[i]; // Buffer last value as we overwrite it.
out[i] = 1;
}
// Apply second threshold to samples heading down
else if (in[i] <= down && in[i] < lastValue)
{
lastValue = out[i]; // Buffer last value as we overwrite it.
out[i] = -1;
}
else
{
lastValue = out[i]; // Buffer last value as we overwrite it.
out[i] = out[i-1];
}
}
out[0] = out[1]; // Align with first edited sample.
return 0;
}
int CmdDirectionalThreshold(const char *Cmd)
{
@ -2405,29 +2432,7 @@ int CmdDirectionalThreshold(const char *Cmd)
printf("Applying Up Threshold: %d, Down Threshold: %d\n", upThres, downThres);
int lastValue = GraphBuffer[0];
GraphBuffer[0] = 0; // Will be changed at the end, but init 0 as we adjust to last samples value if no threshold kicks in.
for (int i = 1; i < GraphTraceLen; ++i) {
// Apply first threshold to samples heading up
if (GraphBuffer[i] >= upThres && GraphBuffer[i] > lastValue)
{
lastValue = GraphBuffer[i]; // Buffer last value as we overwrite it.
GraphBuffer[i] = 1;
}
// Apply second threshold to samples heading down
else if (GraphBuffer[i] <= downThres && GraphBuffer[i] < lastValue)
{
lastValue = GraphBuffer[i]; // Buffer last value as we overwrite it.
GraphBuffer[i] = -1;
}
else
{
lastValue = GraphBuffer[i]; // Buffer last value as we overwrite it.
GraphBuffer[i] = GraphBuffer[i-1];
}
}
GraphBuffer[0] = GraphBuffer[1]; // Aline with first edited sample.
directionalThreshold(GraphBuffer, GraphBuffer,GraphTraceLen, upThres, downThres);
RepaintGraphWindow();
return 0;
}

9
client/cmddata.h
View file

@ -16,9 +16,6 @@
#include <stdbool.h> //bool
#include "cmdparser.h" // for command_t
#define MAX_DEMOD_BUF_LEN (1024*128)
#define BIGBUF_SIZE 40000
command_t * CmdDataCommands();
int CmdData(const char *Cmd);
@ -80,11 +77,15 @@ void printEM410x(uint32_t hi, uint64_t id);
int getSamples(const char *Cmd, bool silent);
void setGrid_Clock(uint8_t clock);
int directionalThreshold(const int* in, int *out, size_t len, int8_t up, int8_t down);
int CmdDataIIR(const char *Cmd);
#define MAX_DEMOD_BUF_LEN (1024*128)
#define BIGBUF_SIZE 40000
extern uint8_t DemodBuffer[MAX_DEMOD_BUF_LEN];
extern size_t DemodBufferLen;
extern int g_DemodStartIdx;
extern int g_DemodClock;
extern uint8_t g_debugMode;
#endif