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shorten em4x05 capture samples

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add cap option for 4469
add sample size option for  DoAcquisition so i can limit how many
samples i want to collect.
use with DoPartialAcquisition
This commit is contained in:
marshmellow42 2017-02-20 17:39:39 -05:00
parent 893534d3b5
commit a37228c8c2
4 changed files with 17 additions and 9 deletions
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13
armsrc/lfsampling.c
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@ -119,11 +119,11 @@ void LFSetupFPGAForADC(int divisor, bool lf_field)
* @param silent - is true, now outputs are made. If false, dbprints the status
* @return the number of bits occupied by the samples.
*/
uint32_t DoAcquisition(uint8_t decimation, uint32_t bits_per_sample, bool averaging, int trigger_threshold, bool silent)
uint32_t DoAcquisition(uint8_t decimation, uint32_t bits_per_sample, bool averaging, int trigger_threshold, bool silent, int bufsize)
{
//.
uint8_t *dest = BigBuf_get_addr();
int bufsize = BigBuf_max_traceLen();
bufsize = (bufsize > 0 && bufsize < BigBuf_max_traceLen()) ? bufsize : BigBuf_max_traceLen();
//memset(dest, 0, bufsize); //creates issues with cmdread (marshmellow)
@ -213,7 +213,7 @@ uint32_t DoAcquisition(uint8_t decimation, uint32_t bits_per_sample, bool averag
*/
uint32_t DoAcquisition_default(int trigger_threshold, bool silent)
{
return DoAcquisition(1,8,0,trigger_threshold,silent);
return DoAcquisition(1,8,0,trigger_threshold,silent,0);
}
uint32_t DoAcquisition_config( bool silent)
{
@ -221,7 +221,12 @@ uint32_t DoAcquisition_config( bool silent)
,config.bits_per_sample
,config.averaging
,config.trigger_threshold
,silent);
,silent
,0);
}
uint32_t DoPartialAcquisition(int trigger_threshold, bool silent, int sample_size) {
return DoAcquisition(1,8,0,trigger_threshold,silent,sample_size);
}
uint32_t ReadLF(bool activeField, bool silent)