1 /*\r
2 ** =============================================================================\r
3 ** Copyright (c) 2016 Texas Instruments Inc.\r
4 **\r
5 ** File:\r
6 ** tas2557_ftc.c\r
7 **\r
8 ** Description:\r
9 ** factory test program for TAS2557 Android devices\r
10 **\r
11 ** =============================================================================\r
12 */\r
13 \r
14 #include <stdio.h>\r
15 #include <stdint.h>\r
16 #include <math.h>\r
17 #include <sys/types.h>\r
18 \r
19 #include "system.h"\r
20 #include "tas2557.h" // TAS2557 Driver\r
21 #include "tas2557_ftc_lib.h" \r
22 #include "tas2557_ftc.h" // TAS2557 Factory Test and Calibration Tool\r
23 \r
24 #define PI 3.14159\r
25 \r
26 static struct TFTCConfiguration *gpFTCC;\r
27 \r
28 // -----------------------------------------------------------------------------\r
29 // tas2557_ftc\r
30 // -----------------------------------------------------------------------------\r
31 // Description:\r
32 // Obtains Re, f0, Q and T_cal from the speaker. This only needs to be\r
33 // executed once during production line test.\r
34 // -----------------------------------------------------------------------------\r
35 uint32_t tas2557_ftc(double t_cal, struct TFTCConfiguration *pFTCC)\r
36 {\r
37 int nResult = 0;\r
38 double dev_a_re = pFTCC->nTSpkCharDevA.nPPC3_Re0; // Default Re\r
39 uint32_t dev_a_prm_pow = 0; // Total RMS power coefficient\r
40 uint32_t dev_a_prm_tlimit = 0; // Delta temperature limit coefficient\r
41 uint8_t nPGID;\r
42 uint32_t libVersion;\r
43 uint32_t result = 0;\r
44 pid_t nPlaybackProcess;\r
45 \r
46 gpFTCC = pFTCC;\r
47 \r
48 libVersion = get_lib_ver();\r
49 printf("libVersion=0x%x\r\n", libVersion);\r
50 \r
51 /* get device PGID */\r
52 nPGID = tas2557_get_PGID();\r
53 printf("PGID=0x%x\r\n", nPGID);\r
54 \r
55 /* set device PGID to FTC process */\r
56 tas2557_ftc_set_PGID(nPGID);\r
57 \r
58 /* STEP 1: Play calibration signal */\r
59 tas2557_mixer_command("PRI_MI2S_RX Audio Mixer MultiMedia1", 1); //platform dependent\r
60 nPlaybackProcess = sys_play_wav("silense.wav", "loop");\r
61 \r
62 /* STEP 2: start calibration process */\r
63 tas2557_ftc_start();\r
64 \r
65 /* STEP 3: Wait for algorithm to converge */\r
66 sys_delay(gpFTCC->nCalibrationTime); \r
67 \r
68 /* STEP 4: Get actual Re from TAS2557 */\r
69 dev_a_re = get_re(gpFTCC->nTSpkCharDevA.nPPC3_Re0);\r
70 \r
71 /* STEP 5: check speaker bounds */\r
72 nResult = check_spk_bounds(gpFTCC, dev_a_re);\r
73 \r
74 /* STEP 6: Set temperature limit to target TMAX */\r
75 if((nResult& RE1_CHK_MSK) == RESULT_PASS){\r
76 dev_a_prm_pow = calc_prm_pow (dev_a_re, \r
77 gpFTCC->nTSpkCharDevA.nSpkTMax - t_cal, \r
78 gpFTCC->nTSpkCharDevA.nPPC3_RTV, \r
79 gpFTCC->nTSpkCharDevA.nPPC3_RTM, \r
80 gpFTCC->nTSpkCharDevA.nPPC3_RTVA, \r
81 gpFTCC->nTSpkCharDevA.nPPC3_SysGain);\r
82 dev_a_prm_tlimit = calc_prm_tlimit(gpFTCC->nTSpkCharDevA.nSpkTMax - t_cal, \r
83 gpFTCC->nTSpkCharDevA.nSpkReAlpha, \r
84 gpFTCC->nTSpkCharDevA.nPPC3_DevNonlinPer, \r
85 gpFTCC->nTSpkCharDevA.nPPC3_RTV, \r
86 gpFTCC->nTSpkCharDevA.nPPC3_RTM, \r
87 gpFTCC->nTSpkCharDevA.nPPC3_RTVA,\r
88 gpFTCC->nTSpkCharDevA.nPPC3_PIG);\r
89 set_re(gpFTCC->nTSpkCharDevA.nPPC3_Re0, dev_a_re, gpFTCC->nTSpkCharDevA.nSpkReAlpha);\r
90 set_temp_cal(dev_a_prm_pow, dev_a_prm_tlimit);\r
91 }\r
92 \r
93 tas2557_ftc_stop();\r
94 \r
95 sys_stop_wav(nPlaybackProcess);\r
96 \r
97 /* STEP 7: Save Re, and Cal Temp into a file */\r
98 tas2557_save_cal(gpFTCC, dev_a_re, dev_a_prm_pow, dev_a_prm_tlimit, t_cal, nResult, "tas2557_cal.txt");\r
99 \r
100 /* STEP 8: Save .bin file for TAS2555 driver */\r
101 if ((nResult & RE1_CHK_MSK) == RESULT_PASS) {\r
102 tas2557_open_bin("tas2557_cal.bin");\r
103 set_re(gpFTCC->nTSpkCharDevA.nPPC3_Re0, dev_a_re, gpFTCC->nTSpkCharDevA.nSpkReAlpha);\r
104 set_temp_cal(dev_a_prm_pow, dev_a_prm_tlimit);\r
105 \r
106 tas2557_close_bin();\r
107 }\r
108 \r
109 if (gpFTCC->bLoadCalibration)\r
110 tas2557_load_calibration(0xFF);\r
111 \r
112 tas2557_ftc_release();\r
113 \r
114 return result;\r
115 }\r