finish up rev2 design

README.md

@@ -16,14 +16,6 @@ You need:
 
 Extract ChibiOS to a folder, edit the `Makefile` so CHIBIOS points to that folder, then run `make`.
 
-### Flashing the card
-
-You'll need a 6-pin Tag-Connect cable (e.g. [TC2030-CTX-NL](https://www.tag-connect.com/product/tc2030-ctx-nl-6-pin-no-legs-cable-with-10-pin-micro-connector-for-cortex-processors)), compatible programmer, and OpenOCD. Power up the card and run the following command (using the appropriate interface scripts for your programmer):
-
-```
-openocd -f interface/ftdi/olimex-arm-usb-ocd-h.cfg -f interface/ftdi/olimex-arm-jtag-swd.cfg -f target/stm32g0x.cfg -c "program build/ch.hex verify reset exit"
-```
-
 ## Credits
 
 * [ESP32-I2S-SLM](https://hackaday.io/project/166867-esp32-i2s-slm) for a starting point with accurate decibel-measuring code.

qfplib-m0-full-20240105/qfplib-m0-full.h

@@ -23,6 +23,8 @@ Fifth Floor, Boston, MA  02110-1301, USA.
 
 typedef unsigned           int ui32;
 typedef                    int i32;
+typedef unsigned long long int ui64;
+typedef          long long int i64;
 
 extern float  qfp_fadd          (float x,float y);
 extern float  qfp_fsub          (float x,float y);
@@ -38,7 +40,58 @@ extern float  qfp_int2float     (i32 x);
 extern float  qfp_fix2float     (i32 x,int f);
 extern float  qfp_uint2float    (ui32 x);
 extern float  qfp_ufix2float    (ui32 x,int f);
+extern float  qfp_int642float   (i64 x);
+extern float  qfp_fix642float   (i64 x,int f);
+extern float  qfp_uint642float  (ui64 x);
+extern float  qfp_ufix642float  (ui64 x,int f);
+extern float  qfp_fcos          (float x);
+extern float  qfp_fsin          (float x);
+extern float  qfp_ftan          (float x);
+extern float  qfp_fatan2        (float y,float x);
 extern float  qfp_fexp          (float x);
 extern float  qfp_fln           (float x);
 
+extern double qfp_dadd          (double x,double y);
+extern double qfp_dsub          (double x,double y);
+extern double qfp_dmul          (double x,double y);
+extern double qfp_ddiv          (double x,double y);
+extern double qfp_dsqrt         (double x);
+extern double qfp_dcos          (double x);
+extern double qfp_dsin          (double x);
+extern double qfp_dtan          (double x);
+extern double qfp_datan2        (double y,double x);
+extern double qfp_dexp          (double x);
+extern double qfp_dln           (double x);
+extern int    qfp_dcmp          (double x,double y);
+
+extern i64    qfp_float2int64   (float x);
+extern i64    qfp_float2fix64   (float x,int f);
+extern ui64   qfp_float2uint64  (float x);
+extern ui64   qfp_float2ufix64  (float x,int f);
+extern i32    qfp_float2int_z   (float x);
+extern i64    qfp_float2int64_z (float x);
+
+extern i32    qfp_double2int    (double x);
+extern i32    qfp_double2fix    (double x,int f);
+extern ui32   qfp_double2uint   (double x);
+extern ui32   qfp_double2ufix   (double x,int f);
+extern i64    qfp_double2int64  (double x);
+extern i64    qfp_double2fix64  (double x,int f);
+extern ui64   qfp_double2uint64 (double x);
+extern ui64   qfp_double2ufix64 (double x,int f);
+extern i32    qfp_double2int_z  (double x);
+extern i64    qfp_double2int64_z(double x);
+
+extern double qfp_int2double    (i32  x);
+extern double qfp_fix2double    (i32  x,int f);
+extern double qfp_uint2double   (ui32 x);
+extern double qfp_ufix2double   (ui32 x,int f);
+extern double qfp_int642double  (i64  x);
+extern double qfp_fix642double  (i64  x,int f);
+extern double qfp_uint642double (ui64 x);
+extern double qfp_ufix642double (ui64 x,int f);
+
+extern float  qfp_double2float  (double x);
+extern double qfp_float2double  (float x);
+
 #endif