daniel/lolra
1
0
Fork 0
mirror of https://github.com/cnlohr/lolra.git synced 2026-06-15 07:19:25 +00:00
Code Issues Packages Projects Releases Wiki Activity

Update with 27.025MHz receiver too

Browse Source
This commit is contained in:
cnlohr
2024-06-25 02:55:45 -07:00
parent e0db86d513
commit 41ec379ad6
2 changed files with 16 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files
ch32v/ch32v203-goertzel/adcgoertzel.c
+13 -5
View File
@@ -112,13 +112,21 @@ const int32_t g_goertzel_coefficient_s = 1984016189;
#endif
#if 0
#define PWM_PERIOD (30-1)
#define GOERTZEL_BUFFER (320)
const int32_t g_goertzel_omega_per_sample = 990894956; // 0.146875 of whole per step / 101.505000MHz
const int32_t g_goertzel_coefficient = 1296126516;
const int32_t g_goertzel_coefficient_s = 1712233066;
#endif
#if 1
#define PWM_PERIOD (30-1)
#define GOERTZEL_BUFFER (396)
const int32_t g_goertzel_omega_per_sample = 5485805733; // 0.813131 of whole per step / 90.303030MHz
const int32_t g_goertzel_coefficient = 829669840;
const int32_t g_goertzel_coefficient_s = -1980740764;
#define GOERTZEL_BUFFER (384)
const int32_t g_goertzel_omega_per_sample = 4251712402; // 0.630208 of whole per step / 27.025000MHz
const int32_t g_goertzel_coefficient = -1468003291;
const int32_t g_goertzel_coefficient_s = -1567371161;
#endif
int intensity_max = 1;
ch32v/lib/calculator.html
+3 -1
View File
@@ -80,7 +80,9 @@ function computeTable()
"<TR><TD>Goertzel</TD></TR>" +
"<TR><TD>Goertzel (Inverse)</TD></TR>" +
"</TABLE><TEXTAREA ROWS=6 COLS=120 ID=goertzeloutput></TEXTAREA>" +
"<P>Click on a ordinal offset to create the C code needed for that tuning parameter. Clicking will copy-to-clipboard.</P>";
"<P>Click on a ordinal offset to create the C code needed for that tuning parameter. Clicking will copy-to-clipboard.</P>" +
"<P>N Divisor #30 (row 3) is usually pretty good. And, try to select things near 0.25 / 0.75, and avoid 0.0, 0.5, and 1.0.</P>" +
"<P>Goertzel's mode is for the ch32v203</P>";
}
contents += "<TABLE BORDER=1>";