1 /*\r
2 ** =============================================================================\r
3 ** Copyright (c) 2016 Texas Instruments Inc.\r
4 **\r
5 ** This program is free software; you can redistribute it and/or modify it under\r
6 ** the terms of the GNU General Public License as published by the Free Software \r
7 ** Foundation; version 2.\r
8 **\r
9 ** This program is distributed in the hope that it will be useful, but WITHOUT\r
10 ** ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS\r
11 ** FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.\r
12 **\r
13 ** You should have received a copy of the GNU General Public License along with\r
14 ** this program; if not, write to the Free Software Foundation, Inc., 51 Franklin\r
15 ** Street, Fifth Floor, Boston, MA 02110-1301, USA.\r
16 **\r
17 ** File:\r
18 ** tas2557_ftc.c\r
19 **\r
20 ** Description:\r
21 ** factory test program for TAS2557 Android devices\r
22 **\r
23 ** =============================================================================\r
24 */\r
25 \r
26 #include <stdio.h>\r
27 #include <stdint.h>\r
28 #include <math.h>\r
29 #include <sys/types.h>\r
30 \r
31 #include "system.h"\r
32 #include "tas2557.h" // TAS2557 Driver\r
33 #include "tas2557_ftc_lib.h" \r
34 #include "tas2557_ftc.h" // TAS2557 Factory Test and Calibration Tool\r
35 \r
36 #define PI 3.14159\r
37 \r
38 static struct TFTCConfiguration *gpFTCC;\r
39 \r
40 // -----------------------------------------------------------------------------\r
41 // tas2557_ftc\r
42 // -----------------------------------------------------------------------------\r
43 // Description:\r
44 // Obtains Re, f0, Q and T_cal from the speaker. This only needs to be\r
45 // executed once during production line test.\r
46 // -----------------------------------------------------------------------------\r
47 uint32_t tas2557_ftc(double t_cal, struct TFTCConfiguration *pFTCC)\r
48 {\r
49 int nResult = 0;\r
50 double dev_a_re = pFTCC->nTSpkCharDevA.nPPC3_Re0; // Default Re\r
51 uint32_t dev_a_prm_pow = 0; // Total RMS power coefficient\r
52 uint32_t dev_a_prm_tlimit = 0; // Delta temperature limit coefficient\r
53 double dev_b_re = pFTCC->nTSpkCharDevB.nPPC3_Re0; // Default Re\r
54 uint32_t dev_b_prm_pow = 0; // Total RMS power coefficient\r
55 uint32_t dev_b_prm_tlimit = 0; // Delta temperature limit coefficient\r
56 uint8_t nPGID;\r
57 uint32_t libVersion;\r
58 uint32_t result = 0;\r
59 pid_t nPlaybackProcess;\r
60 \r
61 gpFTCC = pFTCC;\r
62 \r
63 libVersion = get_lib_ver();\r
64 printf("libVersion=0x%x\r\n", libVersion);\r
65 \r
66 /* get device PGID */\r
67 tas2557_switch_device(gpFTCC->nTSpkCharDevA.nDevAddr);\r
68 nPGID = tas2557_get_PGID();\r
69 printf("PGID=0x%x\r\n", nPGID);\r
70 \r
71 /* set device PGID to FTC process */\r
72 tas2557_ftc_set_PGID(nPGID);\r
73 \r
74 // STEP 1: Play calibration signal\r
75 tas2557_mixer_command("PRI_MI2S_RX Audio Mixer MultiMedia1", 1); //platform dependent\r
76 nPlaybackProcess = sys_play_wav("silense.wav", "loop");\r
77 \r
78 // STEP 2: start calibration process\r
79 tas2557_switch_device(gpFTCC->nTSpkCharDevA.nDevAddr);\r
80 tas2557_ftc_start();\r
81 tas2557_switch_device(gpFTCC->nTSpkCharDevB.nDevAddr);\r
82 tas2557_ftc_start();\r
83 \r
84 // STEP 3: Wait for algorithm to converge\r
85 sys_delay(gpFTCC->nCalibrationTime); // Delay \r
86 \r
87 // STEP 4: Get actual Re from TAS2557\r
88 tas2557_switch_device(gpFTCC->nTSpkCharDevA.nDevAddr);\r
89 dev_a_re = get_re(gpFTCC->nTSpkCharDevA.nPPC3_Re0);\r
90 tas2557_switch_device(gpFTCC->nTSpkCharDevB.nDevAddr);\r
91 dev_b_re = get_re(gpFTCC->nTSpkCharDevB.nPPC3_Re0);\r
92 \r
93 // STEP 5: check speaker bounds\r
94 nResult = check_spk_bounds(gpFTCC, dev_a_re, dev_b_re);\r
95 \r
96 // STEP 6: Set temperature limit to target TMAX\r
97 if ((nResult& RE1_CHK_MSK) == RESULT_PASS) {\r
98 tas2557_switch_device(gpFTCC->nTSpkCharDevA.nDevAddr);\r
99 dev_a_prm_pow = calc_prm_pow (dev_a_re, \r
100 gpFTCC->nTSpkCharDevA.nSpkTMax - t_cal, \r
101 gpFTCC->nTSpkCharDevA.nPPC3_RTV, \r
102 gpFTCC->nTSpkCharDevA.nPPC3_RTM, \r
103 gpFTCC->nTSpkCharDevA.nPPC3_RTVA, \r
104 gpFTCC->nTSpkCharDevA.nPPC3_SysGain);\r
105 dev_a_prm_tlimit = calc_prm_tlimit(gpFTCC->nTSpkCharDevA.nSpkTMax - t_cal, \r
106 gpFTCC->nTSpkCharDevA.nSpkReAlpha, \r
107 gpFTCC->nTSpkCharDevA.nPPC3_DevNonlinPer, \r
108 gpFTCC->nTSpkCharDevA.nPPC3_RTV, \r
109 gpFTCC->nTSpkCharDevA.nPPC3_RTM, \r
110 gpFTCC->nTSpkCharDevA.nPPC3_RTVA);\r
111 set_re(gpFTCC->nTSpkCharDevA.nPPC3_Re0, dev_a_re, gpFTCC->nTSpkCharDevA.nSpkReAlpha);\r
112 set_temp_cal(dev_a_prm_pow, dev_a_prm_tlimit);\r
113 }\r
114 \r
115 if ((nResult& RE2_CHK_MSK) == RESULT_PASS) {\r
116 tas2557_switch_device(gpFTCC->nTSpkCharDevB.nDevAddr);\r
117 dev_b_prm_pow = calc_prm_pow (dev_b_re, \r
118 gpFTCC->nTSpkCharDevB.nSpkTMax - t_cal, \r
119 gpFTCC->nTSpkCharDevB.nPPC3_RTV, \r
120 gpFTCC->nTSpkCharDevB.nPPC3_RTM, \r
121 gpFTCC->nTSpkCharDevB.nPPC3_RTVA, \r
122 gpFTCC->nTSpkCharDevB.nPPC3_SysGain);\r
123 dev_b_prm_tlimit = calc_prm_tlimit(gpFTCC->nTSpkCharDevB.nSpkTMax - t_cal, \r
124 gpFTCC->nTSpkCharDevB.nSpkReAlpha, \r
125 gpFTCC->nTSpkCharDevB.nPPC3_DevNonlinPer, \r
126 gpFTCC->nTSpkCharDevB.nPPC3_RTV, \r
127 gpFTCC->nTSpkCharDevB.nPPC3_RTM, \r
128 gpFTCC->nTSpkCharDevB.nPPC3_RTVA);\r
129 set_re(gpFTCC->nTSpkCharDevB.nPPC3_Re0, dev_b_re, gpFTCC->nTSpkCharDevB.nSpkReAlpha);\r
130 set_temp_cal(dev_b_prm_pow, dev_b_prm_tlimit);\r
131 }\r
132 \r
133 // STEP 7: start calibration process\r
134 tas2557_switch_device(gpFTCC->nTSpkCharDevA.nDevAddr);\r
135 tas2557_ftc_stop();\r
136 tas2557_switch_device(gpFTCC->nTSpkCharDevB.nDevAddr);\r
137 tas2557_ftc_stop();\r
138 \r
139 sys_stop_wav(nPlaybackProcess);\r
140 \r
141 // STEP 8: Save Re, and Cal Temp into a file\r
142 tas2557_save_cal(gpFTCC, dev_a_re, dev_a_prm_pow, dev_a_prm_tlimit, \r
143 dev_b_re, dev_b_prm_pow, dev_b_prm_tlimit, \r
144 t_cal, nResult, "tas2557_cal.txt");\r
145 \r
146 // STEP 9: Save .bin file for TAS2555 driver\r
147 if ((nResult & (RE1_CHK_MSK | RE2_CHK_MSK)) == RESULT_PASS) {\r
148 tas2557_open_bin("tas2557_cal.bin", gpFTCC->nTSpkCharDevA.nDevAddr, gpFTCC->nTSpkCharDevB.nDevAddr);\r
149 if ((nResult & RE1_CHK_MSK) == RESULT_PASS) {\r
150 tas2557_switch_device(gpFTCC->nTSpkCharDevA.nDevAddr);\r
151 set_re(gpFTCC->nTSpkCharDevA.nPPC3_Re0, dev_a_re, gpFTCC->nTSpkCharDevA.nSpkReAlpha);\r
152 set_temp_cal(dev_a_prm_pow, dev_a_prm_tlimit);\r
153 }\r
154 \r
155 if ((nResult & RE2_CHK_MSK) == RESULT_PASS) {\r
156 tas2557_switch_device(gpFTCC->nTSpkCharDevB.nDevAddr);\r
157 set_re(gpFTCC->nTSpkCharDevB.nPPC3_Re0, dev_b_re, gpFTCC->nTSpkCharDevB.nSpkReAlpha);\r
158 set_temp_cal(dev_b_prm_pow, dev_b_prm_tlimit);\r
159 }\r
160 \r
161 tas2557_close_bin();\r
162 }\r
163 \r
164 if (gpFTCC->bLoadCalibration)\r
165 tas2557_load_calibration(0xFF);\r
166 \r
167 tas2557_ftc_release();\r
168 \r
169 return result;\r
170 }\r