support Re/DeltaT/F0/Q readout during normal music playback (FTCLib: 1.0.0.5)

12 files changed, 227 insertions, 66 deletions

diff --git a/Android.mk b/Android.mk
index 8790baf..5f9584e 100755
--- a/Android.mk
+++ b/Android.mk
@@ -5,7 +5,8 @@ LOCAL_SRC_FILES += \
       factorytest.c \
       system.c \
       tas2557.c \
-      tas2557dm_ftc.c     
+        tas2557dm_ftc.c \
+        tas2557dm_chk.c
 
 LOCAL_C_INCLUDES += ${LOCAL_PATH}/
 
diff --git a/factorytest.c b/factorytest.c
index cd82ac8..c5470db 100755
--- a/factorytest.c
+++ b/factorytest.c
@@ -41,6 +41,9 @@
 
 // Obtained from PurePath Console 3 (PPC3)
 #define PPC3_RE0             7.41   // Re0 (ohm)
+#define PPC3_FWARP           891
+#define PPC3_BL              0.814
+#define PPC3_MMS             0.0666
 #define PPC3_RTV             46.5   // Rtv (K/W)
 #define PPC3_RTM             78.2   // Rtm (K/W)
 #define PPC3_RTVA            2460   // Rtva (K/W)
@@ -61,7 +64,8 @@ void ExitWithHint(char *pHint)
 
 void InitFTCC(struct TFTCConfiguration *pFTCC)
 {
-        pFTCC->nCalibrationTime = 4000;
+        pFTCC->nCalibrationTime = 2000;
+        pFTCC->nPPC3_FS = 48000;
 
         pFTCC->bVerbose = false;
         pFTCC->bLoadCalibration = false;
@@ -72,6 +76,9 @@ void InitFTCC(struct TFTCConfiguration *pFTCC)
         pFTCC->nTSpkCharDevA.nReHi = PPC3_RE0*1.15;
         pFTCC->nTSpkCharDevA.nReLo = PPC3_RE0*0.85;
         pFTCC->nTSpkCharDevA.nPPC3_Re0 = PPC3_RE0;
+        pFTCC->nTSpkCharDevA.nPPC3_FWarp = PPC3_FWARP;
+        pFTCC->nTSpkCharDevA.nPPC3_Bl = PPC3_BL;
+        pFTCC->nTSpkCharDevA.nPPC3_Mms = PPC3_MMS;
         pFTCC->nTSpkCharDevA.nPPC3_RTV = PPC3_RTV;
         pFTCC->nTSpkCharDevA.nPPC3_RTM = PPC3_RTM;
         pFTCC->nTSpkCharDevA.nPPC3_RTVA = PPC3_RTVA;
@@ -86,6 +93,9 @@ void InitFTCC(struct TFTCConfiguration *pFTCC)
         pFTCC->nTSpkCharDevB.nReHi = PPC3_RE0*1.15;
         pFTCC->nTSpkCharDevB.nReLo = PPC3_RE0*0.85;     
         pFTCC->nTSpkCharDevB.nPPC3_Re0 = PPC3_RE0;
+        pFTCC->nTSpkCharDevB.nPPC3_FWarp = PPC3_FWARP;
+        pFTCC->nTSpkCharDevB.nPPC3_Bl = PPC3_BL;
+        pFTCC->nTSpkCharDevB.nPPC3_Mms = PPC3_MMS;
         pFTCC->nTSpkCharDevB.nPPC3_RTV = PPC3_RTV;
         pFTCC->nTSpkCharDevB.nPPC3_RTM = PPC3_RTM;
         pFTCC->nTSpkCharDevB.nPPC3_RTVA = PPC3_RTVA;
@@ -124,10 +134,14 @@ unsigned int RemoveComments(char *pData, char cCharacter, unsigned int nSize)
 void ReadValue(struct TFTCConfiguration *pFTCC, struct TSPKCharData *pSpk, char *pLine, char *pValue)
 {
         if (!strcmp(pLine, "CALIBRATION_TIME")) {pFTCC->nCalibrationTime = atoi(pValue); return;};
+        if (!strcmp(pLine, "FS_RATE")) {pFTCC->nPPC3_FS = atof(pValue); return;};
         if (!strcmp(pLine, "SPK_T_MAX")) {pSpk->nSpkTMax = atof(pValue); return;};
         if (!strcmp(pLine, "SPK_RE_TOL_PER")) {pSpk->nSpkReTolPer = atof(pValue); return;};
-        if (!strcmp(pLine, "SPK_RE_ALPHA")) {pSpk->nSpkReAlpha = atof(pValue); return;};
+        if (!strcmp(pLine, "PPC3_RE_ALPHA")) {pSpk->nSpkReAlpha = atof(pValue); return;};
         if (!strcmp(pLine, "PPC3_RE0")) {pSpk->nPPC3_Re0 = atof(pValue); return;};
+        if (!strcmp(pLine, "PPC3_FWARP")) {pSpk->nPPC3_FWarp = atof(pValue); return;};
+        if (!strcmp(pLine, "PPC3_BL")) {pSpk->nPPC3_Bl = atof(pValue); return;};
+        if (!strcmp(pLine, "PPC3_MMS")) {pSpk->nPPC3_Mms = atof(pValue); return;};
         if (!strcmp(pLine, "PPC3_RTV")) {pSpk->nPPC3_RTV = atof(pValue); return;};
         if (!strcmp(pLine, "PPC3_RTM")) {pSpk->nPPC3_RTM = atof(pValue); return;};
         if (!strcmp(pLine, "PPC3_RTVA")) {pSpk->nPPC3_RTVA = atof(pValue); return;};
@@ -155,6 +169,9 @@ void ftcc_print(struct TFTCConfiguration *pFTCC)
         printf(" SPKA SPK_RE_ALPHA   = %2.4f\n\r\n\r", pFTCC->nTSpkCharDevA.nSpkReAlpha);
         
         printf(" SPKA PPC3_RE0            = %2.2f\n\r", pFTCC->nTSpkCharDevA.nPPC3_Re0);
+        printf(" SPKA PPC3_FWARP          = %2.2f\n\r", pFTCC->nTSpkCharDevA.nPPC3_FWarp);
+        printf(" SPKA PPC3_BL             = %2.6f\n\r", pFTCC->nTSpkCharDevA.nPPC3_Bl);
+        printf(" SPKA PPC3_MMS            = %2.6f\n\r", pFTCC->nTSpkCharDevA.nPPC3_Mms);
         printf(" SPKA PPC3_RTV            = %2.2f\n\r", pFTCC->nTSpkCharDevA.nPPC3_RTV);
         printf(" SPKA PPC3_RTM            = %2.2f\n\r", pFTCC->nTSpkCharDevA.nPPC3_RTM);
         printf(" SPKA PPC3_RTVA           = %2.2f\n\r", pFTCC->nTSpkCharDevA.nPPC3_RTVA);
@@ -170,6 +187,9 @@ void ftcc_print(struct TFTCConfiguration *pFTCC)
         printf(" SPKB SPK_RE_ALPHA   = %2.4f\n\r\n\r", pFTCC->nTSpkCharDevB.nSpkReAlpha);
         
         printf(" SPKB PPC3_RE0            = %2.2f\n\r", pFTCC->nTSpkCharDevB.nPPC3_Re0);
+        printf(" SPKB PPC3_FWARP          = %2.2f\n\r", pFTCC->nTSpkCharDevB.nPPC3_FWarp);
+        printf(" SPKB PPC3_BL             = %2.6f\n\r", pFTCC->nTSpkCharDevB.nPPC3_Bl);
+        printf(" SPKB PPC3_MMS            = %2.6f\n\r", pFTCC->nTSpkCharDevB.nPPC3_Mms);
         printf(" SPKB PPC3_RTV            = %2.2f\n\r", pFTCC->nTSpkCharDevB.nPPC3_RTV);
         printf(" SPKB PPC3_RTM            = %2.2f\n\r", pFTCC->nTSpkCharDevB.nPPC3_RTM);
         printf(" SPKB PPC3_RTVA           = %2.2f\n\r", pFTCC->nTSpkCharDevB.nPPC3_RTVA);
@@ -243,6 +263,7 @@ int main(int argc, char *argv[])
         double nTemp = 20.0;
         int nArg = 1;
         bool bValidArg;
+        bool bSpkChk = false;
         char pHint[256];
         struct TFTCConfiguration sFTCC;
 
@@ -290,6 +311,11 @@ int main(int argc, char *argv[])
                         bValidArg = true;
                 }
 
+                if (!strcmp(argv[nArg], "-m")) {
+                        bSpkChk = true;
+                        bValidArg = true;
+                }
+
                 if (!bValidArg) {
                         sprintf(pHint, "don't know argument %s", argv[nArg]);
                         ExitWithHint(pHint);
@@ -302,6 +328,9 @@ int main(int argc, char *argv[])
                 ftcc_print(&sFTCC);
         }
 
-        tas2557_ftc(nTemp, &sFTCC);
+        if (bSpkChk)
+                tas2557_chk(nTemp, &sFTCC);
+        else
+                tas2557_ftc(nTemp, &sFTCC);
         return 0;
 }
diff --git a/lib/libftc32.a b/lib/libftc32.a
index 0d85d4a..861aaae 100644
--- a/lib/libftc32.a
+++ b/lib/libftc32.a
diff --git a/lib/libftc64.a b/lib/libftc64.a
index 3f2e2d9..e29a6f7 100644
--- a/lib/libftc64.a
+++ b/lib/libftc64.a
diff --git a/readme.txt b/readme.txt
index 77d3cdb..25f755d 100755
--- a/readme.txt
+++ b/readme.txt
@@ -1 +1,2 @@
-./factorytest -t 25 -l speaker_l.ftcfg -r speaker_r.ftcfg -v
\ No newline at end of file
+To do speaker calibration $./factorytest -t 25 -l tas2557evm_aacspk_a.ftcfg -r tas2557evm_aacspk_b.ftcfg -v

+To do F0/Q/Re/Delta_tv readout : $./factorytest -t 25 -l tas2557evm_aacspk_a.ftcfg -r tas2557evm_aacspk_b.ftcfg -v -m
\ No newline at end of file
diff --git a/speaker_l.ftcfg b/speaker_l.ftcfg
deleted file mode 100755
index ef8eccd..0000000
--- a/speaker_l.ftcfg
+++ /dev/null
@@ -1,30 +0,0 @@
-

-; TAS2557 Factory Test and Calibration Configuration File

-; -----------------------------------------------------------------------------

-; PPC3 File: example.ppc3

-; DDC Name: N48M1V2

-; Comments: [Write Comments Here]

-

-; FTC Settings

-CALIBRATION_TIME          = 2000     ; Duration (in ms) of calibration phase

-CONVERGENCE_TIME          = 8000     ; Duration of F0 tracker stable

-DEV_ADDR                  = 98       ; I2C slave write addr for device A

-

-; Obtained from Speaker Manufacturer

-SPK_T_MAX                 = 80       ; Speaker Maximum Temperature (C)

-SPK_RE_TOL_PER            = 10       ; Re +/- tolerance (%)

-SPK_RE_ALPHA              = 0.0039   ; Temperature coefficient alpha (1/K)

-

-; Pass/Fail Limits

-RE_HI                     = 8.0

-RE_LO                     = 6.0

-

-; Obtained from PurePath Console 3 (PPC3)

-PPC3_RE0                  = 7.0     ; Re0 (ohm)

-PPC3_RTV                  = 44.9     ; Rtv (K/W)

-PPC3_RTM                  = 80.7     ; Rtm  (K/W)

-PPC3_RTVA                 = 1723     ; Rtva  (K/W)

-PPC3_SYSGAIN              = 9.35     ; System Gain (V/FS)

-PPC3_DEV_NONLIN_PER       = 1.5      ; Device Non-linearity (%)

-PPC3_PIG                  = 1       ; Refer to documentation

-FS_RATE                   = 48000   ; TAS2557-B Sample Rate

diff --git a/speaker_r.ftcfg b/speaker_r.ftcfg
deleted file mode 100755
index a6b7329..0000000
--- a/speaker_r.ftcfg
+++ /dev/null
@@ -1,30 +0,0 @@
-

-; TAS2557 Factory Test and Calibration Configuration File

-; -----------------------------------------------------------------------------

-; PPC3 File: example.ppc3

-; DDC Name: N48M1V2

-; Comments: [Write Comments Here]

-

-; FTC Settings

-CALIBRATION_TIME          = 2000     ; Duration (in ms) of calibration phase

-CONVERGENCE_TIME          = 8000     ; Duration of F0 tracker stable

-DEV_ADDR                  = 9a       ; I2C slave write addr for device B

-

-; Obtained from Speaker Manufacturer

-SPK_T_MAX                 = 80       ; Speaker Maximum Temperature (C)

-SPK_RE_TOL_PER            = 10       ; Re +/- tolerance (%)

-SPK_RE_ALPHA              = 0.0039   ; Temperature coefficient alpha (1/K)

-

-; Pass/Fail Limits

-RE_HI                     = 8.0

-RE_LO                     = 6.0

-

-; Obtained from PurePath Console 3 (PPC3)

-PPC3_RE0                  = 7.0     ; Re0 (ohm)

-PPC3_RTV                  = 44.9     ; Rtv (K/W)

-PPC3_RTM                  = 80.7     ; Rtm  (K/W)

-PPC3_RTVA                 = 1723     ; Rtva  (K/W)

-PPC3_SYSGAIN              = 9.35     ; System Gain (V/FS)

-PPC3_DEV_NONLIN_PER       = 1.5      ; Device Non-linearity (%)

-PPC3_PIG                  = 1       ; Refer to documentation

-FS_RATE                   = 48000   ; TAS2557-B Sample Rate

diff --git a/tas2557_ftc.h b/tas2557_ftc.h
index 475d521..732c31f 100755
--- a/tas2557_ftc.h
+++ b/tas2557_ftc.h
@@ -35,6 +35,9 @@ struct TSPKCharData {
         double nSpkReAlpha;

 

         double nPPC3_Re0;

+        double nPPC3_FWarp;

+        double nPPC3_Bl;

+        double nPPC3_Mms;

         double nPPC3_RTV;

         double nPPC3_RTM;

         double nPPC3_RTVA;

@@ -52,11 +55,12 @@ struct TFTCConfiguration {
         bool bVerbose;

         bool bLoadCalibration;

         unsigned int nCalibrationTime;

+        double nPPC3_FS;

 

         struct TSPKCharData nTSpkCharDevA;

         struct TSPKCharData nTSpkCharDevB;

 };

 

 uint32_t tas2557_ftc(double t_cal, struct TFTCConfiguration *pFTCC);

-

+int tas2557_chk(double t_cal, struct TFTCConfiguration *pFTCC);

 #endif /* TAS2557_FTC_H_ */

diff --git a/tas2557_ftc_lib.h b/tas2557_ftc_lib.h
index ea53446..d761028 100755
--- a/tas2557_ftc_lib.h
+++ b/tas2557_ftc_lib.h
@@ -41,4 +41,9 @@ double CalcRe(double re_ppc3, uint32_t prm_r0);
 uint32_t calc_prm_pow(double re, double delta_t_max, double nRTV, double nRTM, double nRTVA, double nSysGain);

 uint32_t calc_prm_tlimit(double delta_t_max, double alpha, double nDevNonlinPer, double nRTV, double nRTM, double nRTVA, double nPIG);

 void tas2557_ftc_stop(void);

+

+/* below functions are used in SPK measurement only */

+int get_Re_deltaT(double nPPC3_Re, double nPPC3_alpha, double *pnRe, double *pnDeltaT);

+int get_f0_Q(double nPPC3_FWarp, double nPPC3_nFS, double nPPC3_Bl, double nPPC3_Mms, double nPPC3_Re0, double *pnF0, double *pnQ);

+

 #endif /* TAS2557_LIB_FTC_H_ */

diff --git a/tas2557dm_chk.c b/tas2557dm_chk.c
new file mode 100755
index 0000000..31a4db7
--- /dev/null
+++ b/tas2557dm_chk.c
@@ -0,0 +1,91 @@
+/*

+** =============================================================================

+** Copyright (c) 2016  Texas Instruments Inc.

+**

+** This program is free software; you can redistribute it and/or modify it under

+** the terms of the GNU General Public License as published by the Free Software 

+** Foundation; version 2.

+**

+** This program is distributed in the hope that it will be useful, but WITHOUT

+** ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS

+** FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

+**

+** You should have received a copy of the GNU General Public License along with

+** this program; if not, write to the Free Software Foundation, Inc., 51 Franklin

+** Street, Fifth Floor, Boston, MA 02110-1301, USA.

+**

+** File:

+**     tas2557_ftc.c

+**

+** Description:

+**     factory test program for TAS2557 Android devices

+**

+** =============================================================================

+*/

+

+#include <stdio.h>

+#include <stdint.h>

+#include <math.h>

+#include <sys/types.h>

+

+#include "system.h"

+#include "tas2557.h"        // TAS2557 Driver

+#include "tas2557_ftc_lib.h"    

+#include "tas2557_ftc.h"    // TAS2557 Factory Test and Calibration Tool

+

+#define PI                   3.14159

+

+// -----------------------------------------------------------------------------

+// tas2557_ftc

+// -----------------------------------------------------------------------------

+// Description:

+//      Obtains Re, f0, Q and T_cal from the speaker. This only needs to be

+//      executed once during production line test.

+// -----------------------------------------------------------------------------

+int tas2557_chk(double t_cal, struct TFTCConfiguration *pFTCC)

+{

+        int nResult = 0;

+        double nDevARe, nDevADeltaT, nDevAF0, nDevAQ;

+        double nDevBRe, nDevBDeltaT, nDevBF0, nDevBQ;

+        uint8_t nPGID;

+        uint32_t libVersion;

+

+        libVersion = get_lib_ver();

+        printf("libVersion=0x%x\r\n", libVersion);

+

+        /* get device PGID */

+        tas2557_switch_device(pFTCC->nTSpkCharDevA.nDevAddr);

+        nPGID = tas2557_get_PGID();

+        printf("PGID=0x%x\r\n", nPGID);

+        /* set device PGID to FTC process */

+        tas2557_ftc_set_PGID(nPGID);

+

+        /* Get actual Re from TAS2557 */

+        tas2557_switch_device(pFTCC->nTSpkCharDevA.nDevAddr);

+        nResult = get_Re_deltaT(pFTCC->nTSpkCharDevA.nPPC3_Re0,

+                                                        pFTCC->nTSpkCharDevA.nSpkReAlpha,

+                                                        &nDevARe, &nDevADeltaT);

+        nResult = get_f0_Q(pFTCC->nTSpkCharDevA.nPPC3_FWarp,

+                                                pFTCC->nPPC3_FS,

+                                                pFTCC->nTSpkCharDevA.nPPC3_Bl,

+                                                pFTCC->nTSpkCharDevA.nPPC3_Mms,

+                                                pFTCC->nTSpkCharDevA.nPPC3_Re0,

+                                                &nDevAF0, &nDevAQ);

+        printf("SPK_A Re = %f, DeltaT=%f, F0 = %f, Q = %f\n", nDevARe, nDevADeltaT, nDevAF0, nDevAQ);

+

+        tas2557_switch_device(pFTCC->nTSpkCharDevB.nDevAddr);

+        nResult = get_Re_deltaT(pFTCC->nTSpkCharDevB.nPPC3_Re0,

+                                                        pFTCC->nTSpkCharDevB.nSpkReAlpha,

+                                                        &nDevBRe, &nDevBDeltaT);

+        nResult = get_f0_Q(pFTCC->nTSpkCharDevB.nPPC3_FWarp,

+                                                pFTCC->nPPC3_FS,

+                                                pFTCC->nTSpkCharDevB.nPPC3_Bl,

+                                                pFTCC->nTSpkCharDevB.nPPC3_Mms,

+                                                pFTCC->nTSpkCharDevB.nPPC3_Re0,

+                                                &nDevBF0, &nDevBQ);

+        printf("SPK_B Re = %f, DeltaT=%f, F0 = %f, Q = %f\n", nDevBRe, nDevBDeltaT, nDevBF0, nDevBQ);

+

+        tas2557_ftc_release();

+

+    return nResult;

+}

diff --git a/tas2557evm_aacspk_a.ftcfg b/tas2557evm_aacspk_a.ftcfg
new file mode 100755
index 0000000..f160647
--- /dev/null
+++ b/tas2557evm_aacspk_a.ftcfg
@@ -0,0 +1,45 @@
+

+; TAS2557 Factory Test and Calibration Configuration File

+; -----------------------------------------------------------------------------

+; PPC3 File: AAC_v2_vC3_48000_HP_TAS2557_pg2p1_dm.ppc3

+; DDC Name: TAS2557MSS_20170411

+; Comments: [Write Comments Here]

+

+; FTC Settings

+FTC_BYPASS                = 0       ; Refer to documentation

+TEST_DELTA_T              = 80      ; Delta Temperature Limit during verification phase

+CALIBRATION_TIME          = 2000    ; Duration (in ms) of calibration phase

+VERIFICATION_TIME         = 4000    ; Duration (in ms) of the verification phase

+CONFIGURATION             = 0       ; Refer to documentation

+CONFIGURATION_CALIBRATION = 1       ; Refer to documentation

+DEV_ADDR                  = 98      ; I2C slave write addr (in hex) for device A

+

+; Pass/Fail Limits

+RE_HI                     = 7.975

+RE_LO                     = 6.525

+F0_HI                     = 924

+F0_LO                     = 616

+Q_HI                      = 1.704

+Q_LO                      = 1.136

+T_HI                      = 40

+T_LO                      = 0

+

+; Obtained from Speaker Manufacturer

+SPK_T_MAX                 = 100     ; Speaker Maximum Temperature (C)

+SPK_RE_TOL_PER            = 10      ; Re +/- tolerance (%)

+

+; Obtained from PurePath Console 3 (PPC3)

+PPC3_RE0                  = 6.7     ; Re0 (ohm)

+PPC3_FWARP                = 891     ; CMWF (Hz)

+PPC3_BL                   = 0.814   ; Bl (Tm)

+PPC3_MMS                  = 0.0666  ; Mms (g)

+PPC3_RTV                  = 63.4    ; Rtv (K/W)

+PPC3_RTM                  = 566.7   ; Rtm  (K/W)

+PPC3_RTVA                 = 136     ; Rtva  (K/W)

+PPC3_SYSGAIN              = 9.35    ; System Gain (V/FS)

+PPC3_DEV_NONLIN_PER       = 1.5     ; Device Non-linearity (%)

+PPC3_DELTA_T_LIMIT        = 80      ; Delta Thermal Limit (C)

+PPC3_PIG                  = 1       ; Refer to documentation

+PPC3_RE_ALPHA             = 0.0033  ; Temperature coefficient alpha (1/K)

+FS_RATE                   = 48000   ; TAS2557 Sample Rate

+

diff --git a/tas2557evm_aacspk_b.ftcfg b/tas2557evm_aacspk_b.ftcfg
new file mode 100755
index 0000000..0787bf2
--- /dev/null
+++ b/tas2557evm_aacspk_b.ftcfg
@@ -0,0 +1,45 @@
+

+; TAS2557-B Factory Test and Calibration Configuration File

+; -----------------------------------------------------------------------------

+; PPC3 File: AAC_v2_vC3_48000_HP_TAS2557_pg2p1_dm.ppc3

+; DDC Name: TAS2557MSS_20170411

+; Comments: [Write Comments Here]

+

+; FTC Settings

+FTC_BYPASS                = 0       ; Refer to documentation

+TEST_DELTA_T              = 80      ; Delta Temperature Limit during verification phase

+CALIBRATION_TIME          = 2000    ; Duration (in ms) of calibration phase

+VERIFICATION_TIME         = 4000    ; Duration (in ms) of the verification phase

+CONFIGURATION             = 0       ; Refer to documentation

+CONFIGURATION_CALIBRATION = 1       ; Refer to documentation

+DEV_ADDR                  = 9a      ; I2C slave write addr (in hex) for device B

+

+; Pass/Fail Limits

+RE_HI                     = 7.975

+RE_LO                     = 6.525

+F0_HI                     = 924

+F0_LO                     = 616

+Q_HI                      = 1.704

+Q_LO                      = 1.136

+T_HI                      = 40

+T_LO                      = 0

+

+; Obtained from Speaker Manufacturer

+SPK_T_MAX                 = 100     ; Speaker Maximum Temperature (C)

+SPK_RE_TOL_PER            = 10      ; Re +/- tolerance (%)

+

+; Obtained from PurePath Console 3 (PPC3)

+PPC3_RE0                  = 6.7     ; Re0 (ohm)

+PPC3_FWARP                = 891     ; CMWF (Hz)

+PPC3_BL                   = 0.814   ; Bl (Tm)

+PPC3_MMS                  = 0.0666  ; Mms (g)

+PPC3_RTV                  = 63.4    ; Rtv (K/W)

+PPC3_RTM                  = 566.7   ; Rtm  (K/W)

+PPC3_RTVA                 = 136     ; Rtva  (K/W)

+PPC3_SYSGAIN              = 9.35    ; System Gain (V/FS)

+PPC3_DEV_NONLIN_PER       = 1.5     ; Device Non-linearity (%)

+PPC3_DELTA_T_LIMIT        = 80      ; Delta Thermal Limit (C)

+PPC3_PIG                  = 1       ; Refer to documentation

+PPC3_RE_ALPHA             = 0.0033  ; Temperature coefficient alpha (1/K)

+FS_RATE                   = 48000   ; TAS2557-B Sample Rate

+