C6:52 Channel_3

threshold setting 115,000 always 1 so change it to 11,500,000 can do it
first_version of 16-point FFT on offline
2021-03-29 13:44:11 +08:00 · 2021-03-29 11:05:49 +08:00
2 changed files with 6 additions and 5 deletions
@@ -19,7 +19,7 @@
            </property>
            <property Type="choicelist" Value="1" id="Debug Probe Selection">
                <choice Name="Select by serial number" value="0">
-                    <property Type="stringfield" Value="L1000537" id="-- Enter the serial number"/>
+                    <property Type="stringfield" Value="L1000628" id="-- Enter the serial number"/>
                </choice>
            </property>
            <platform XML_version="1.2" id="platform_0">
@@ -79,7 +79,7 @@ static void headstage_neu_append_notify_data() {
    borshin_b = CaliTable.Ch[channel].Offset[ rec_register_value[REC_CHANNEL_INDEX] ];
    borshin_real = borshin_raw * borshin_a + borshin_b; //  range from [ FFF , 000 ]
    borshin_sample_rate = 2000000/10/rec_register_value[REC_ADC_CLOCK_INDEX];
-    CLP(borshin_real);              //  This function input is 12-bit value
+    CLP( borshin_raw );              //  This function input is 12-bit value
                                    //  the function will buffer 16-point then
                                    //  perform 16-point FFT.
                                    //  Afterwards, calculate sum of PSD then
@@ -269,7 +269,8 @@ static void CLP(uint16_t unsigned_real_data){
    static int          count_data;
    int                 abs_tmp;
    static int          present, past1, past2, hvs;
-    static int          w[6] = {1597,-1909,1856,-1190,630,23};
+//    static int          w[6] = {1597,-1909,1856,-1190,630,23};
+    static int          w[6] = { 1, -2, 2, -1, 1, 0};

    count_sample++;                         //  count+1 every 1-ms
    if (count_sample>=24){                  //  ensure sample LFP data every 24-ms(41.6667Hz)
@@ -287,7 +288,7 @@ static void CLP(uint16_t unsigned_real_data){
                          + w[2] * real[i-3] \
                          + w[3] * real[i-4] \
                          + w[4] * real[i-5] \
-                          + w[5] * real[i-6] )>>10;
+                          + w[5] * real[i-6] );
                imag[i] = 0;
            }
            BitReverse( real, numFFT);
@@ -300,7 +301,7 @@ static void CLP(uint16_t unsigned_real_data){
                imag[i-1] = 0;
                x_in[i-1] = x_in[i];
            }
-            present = (  (accumu_sum>>12)  >  45000 )?1:0;
+            present = (  (accumu_sum)  >  11500000 )?1:0;
            if (present+past1+past2==3)
                hvs = 1;
            else
Author	SHA1	Message	Date
borshin_chang@gapp.nthu.edu.tw	8cc4ebea74	C6:52 Channel_3 threshold setting 115,000 always 1 so change it to 11,500,000 can do it	2021-03-29 13:44:11 +08:00
borshin_chang@gapp.nthu.edu.tw	81b99ce4b1	first_version of 16-point FFT on offline with refer to MATLAB code cc6250_emulation_closed_loop.m	2021-03-29 11:05:49 +08:00