| wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * (C) Copyright 2001 |
| 3 | * Bill Hunter, Wave 7 Optics, williamhunter@mediaone.net |
| 4 | * and |
| 5 | * Erik Theisen, Wave 7 Optics, etheisen@mindspring.com. |
| 6 | * |
| 7 | * See file CREDITS for list of people who contributed to this |
| 8 | * project. |
| 9 | * |
| 10 | * This program is free software; you can redistribute it and/or |
| 11 | * modify it under the terms of the GNU General Public License as |
| 12 | * published by the Free Software Foundation; either version 2 of |
| 13 | * the License, or (at your option) any later version. |
| 14 | * |
| 15 | * This program is distributed in the hope that it will be useful, |
| 16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 18 | * GNU General Public License for more details. |
| 19 | * |
| 20 | * You should have received a copy of the GNU General Public License |
| 21 | * along with this program; if not, write to the Free Software |
| 22 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| 23 | * MA 02111-1307 USA |
| 24 | */ |
| 25 | |
| 26 | #include <common.h> |
| 27 | #include <config.h> |
| 28 | #include <rtc.h> |
| 29 | #include "errors.h" |
| 30 | #include "dtt.h" |
| 31 | |
| 32 | #if defined(CONFIG_RTC_M48T35A) |
| 33 | void rtctest(void) |
| 34 | { |
| 35 | volatile uchar *tchar = (uchar*)(CFG_NVRAM_BASE_ADDR + CFG_NVRAM_SIZE - 9); |
| 36 | struct rtc_time tmp; |
| 37 | |
| 38 | /* set up led code for RTC tests */ |
| 39 | log_stat(ERR_RTCG); |
| 40 | |
| 41 | /* |
| 42 | * Do RTC battery test. The first write after power up |
| 43 | * fails if battery is low. |
| 44 | */ |
| 45 | *tchar = 0xaa; |
| 46 | if ((*tchar ^ 0xaa) != 0x0) log_warn(ERR_RTCBAT); |
| 47 | *tchar = 0x55; /* Reset test address */ |
| 48 | |
| 49 | /* |
| 50 | * Now lets check the validity of the values in the RTC. |
| 51 | */ |
| 52 | rtc_get(&tmp); |
| 53 | if ((tmp.tm_sec < 0) | (tmp.tm_sec > 59) | |
| 54 | (tmp.tm_min < 0) | (tmp.tm_min > 59) | |
| 55 | (tmp.tm_hour < 0) | (tmp.tm_hour > 23) | |
| 56 | (tmp.tm_mday < 1 ) | (tmp.tm_mday > 31) | |
| 57 | (tmp.tm_mon < 1 ) | (tmp.tm_mon > 12) | |
| 58 | (tmp.tm_year < 2000) | (tmp.tm_year > 2500) | |
| 59 | (tmp.tm_wday < 1 ) | (tmp.tm_wday > 7)) { |
| 60 | log_warn(ERR_RTCTIM); |
| 61 | rtc_reset(); |
| 62 | } |
| 63 | |
| 64 | /* |
| 65 | * Now lets do a check to see if the NV RAM is there. |
| 66 | */ |
| 67 | *tchar = 0xaa; |
| 68 | if ((*tchar ^ 0xaa) != 0x0) log_err(ERR_RTCVAL); |
| 69 | *tchar = 0x55; /* Reset test address */ |
| 70 | |
| 71 | } /* rtctest() */ |
| 72 | #endif /* CONFIG_RTC_M48T35A */ |
| 73 | |
| 74 | |
| 75 | #ifdef CONFIG_DTT_LM75 |
| 76 | int dtt_test(int sensor) |
| 77 | { |
| 78 | short temp, trip, hyst; |
| 79 | |
| 80 | /* get values */ |
| 81 | temp = dtt_read(sensor, DTT_READ_TEMP) / 256; |
| 82 | trip = dtt_read(sensor, DTT_TEMP_SET) / 256; |
| 83 | hyst = dtt_read(sensor, DTT_TEMP_HYST) / 256; |
| 84 | |
| 85 | /* check values */ |
| 86 | if ((hyst != (CFG_DTT_MAX_TEMP - CFG_DTT_HYSTERESIS)) || |
| 87 | (trip != CFG_DTT_MAX_TEMP) || |
| 88 | (temp < CFG_DTT_LOW_TEMP) || (temp > CFG_DTT_MAX_TEMP)) |
| 89 | return 1; |
| 90 | |
| 91 | return 0; |
| 92 | } /* dtt_test() */ |
| 93 | #endif /* CONFIG_DTT_LM75 */ |
| 94 | |
| 95 | /*****************************************/ |
| 96 | |
| 97 | void post2(void) |
| 98 | { |
| 99 | #if defined(CONFIG_RTC_M48T35A) |
| 100 | rtctest(); |
| 101 | #endif /* CONFIG_RTC_M48T35A */ |
| 102 | |
| 103 | #ifdef CONFIG_DTT_LM75 |
| 104 | log_stat(ERR_TempG); |
| 105 | if(dtt_test(2) != 0) log_warn(ERR_Ttest0); |
| 106 | if(dtt_test(4) != 0) log_warn(ERR_Ttest1); |
| 107 | #endif /* CONFIG_DTT_LM75 */ |
| 108 | } /* post2() */ |
| 109 | |