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1151 | giacomo | 1 | /* |
2 | * Project: S.Ha.R.K. |
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3 | * |
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4 | * Coordinators: |
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5 | * Giorgio Buttazzo <giorgio@sssup.it> |
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6 | * Paolo Gai <pj@gandalf.sssup.it> |
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7 | * |
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8 | * Authors : |
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9 | * Paolo Gai <pj@gandalf.sssup.it> |
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10 | * (see the web pages for full authors list) |
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11 | * |
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12 | * ReTiS Lab (Scuola Superiore S.Anna - Pisa - Italy) |
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13 | * |
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14 | * http://www.sssup.it |
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15 | * http://retis.sssup.it |
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16 | * http://shark.sssup.it |
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17 | */ |
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18 | |||
19 | /* |
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20 | * Copyright (C) 2000 Paolo Gai |
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21 | * |
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22 | * This program is free software; you can redistribute it and/or modify |
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23 | * it under the terms of the GNU General Public License as published by |
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24 | * the Free Software Foundation; either version 2 of the License, or |
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25 | * (at your option) any later version. |
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26 | * |
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27 | * This program is distributed in the hope that it will be useful, |
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28 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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29 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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30 | * GNU General Public License for more details. |
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31 | * |
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32 | * You should have received a copy of the GNU General Public License |
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33 | * along with this program; if not, write to the Free Software |
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34 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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35 | */ |
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36 | |||
37 | #include "kernel/kern.h" |
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38 | #include "ll/i386/cons.h" |
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39 | |||
40 | #include "ll/sys/ll/time.h" |
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41 | |||
42 | #include "drivers/keyb.h" |
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43 | |||
44 | #define UPDATE_PERIOD 10000 |
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45 | #define UPDATE_WCET 1000 |
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46 | |||
47 | extern signed long long clk_per_msec; |
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48 | |||
49 | extern signed long last_delta_clk_per_msec; |
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50 | extern signed long total_delta_clk_per_msec; |
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51 | |||
52 | extern unsigned char use_tsc; |
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53 | extern unsigned char use_cmos; |
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54 | |||
55 | void program_key_end(KEY_EVT *k) |
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56 | { |
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57 | |||
58 | sys_end(); |
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59 | |||
60 | } |
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61 | |||
62 | TASK Update(void *arg) |
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63 | { |
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64 | struct timespec actual_timer; |
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65 | struct timespec s_test,e_test; |
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66 | |||
67 | long nsec,sec,min,hrs,day; |
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68 | |||
69 | sys_gettime(&s_test); |
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70 | sys_gettime(&e_test); |
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71 | SUBTIMESPEC(&e_test,&s_test,&s_test); |
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72 | |||
73 | while (1) { |
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74 | |||
75 | sys_gettime(&actual_timer); |
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76 | nsec = actual_timer.tv_nsec; |
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77 | sec = actual_timer.tv_sec; |
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78 | min = sec / 60; |
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79 | sec %= 60; |
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80 | hrs = min / 60; |
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81 | min %= 60; |
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82 | day = hrs / 24; |
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83 | hrs %= 24; |
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84 | |||
85 | if (use_tsc) |
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86 | if (use_cmos) |
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87 | printf_xy(0,4,WHITE,"Timer Mode: TSC + CMOS"); |
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88 | else |
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89 | printf_xy(0,4,WHITE,"Timer Mode: TSC"); |
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90 | else |
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91 | printf_xy(0,4,WHITE,"Timer Mode: 8254"); |
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92 | |||
93 | printf_xy(0,5,WHITE,"Actual Clk/msec: %12ld",(long)clk_per_msec); |
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94 | printf_xy(0,6,WHITE,"Actual Timer: %2ld d %2ld h %2ld m %2ld s %12ld ns",day,hrs,min,sec,(long)nsec); |
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95 | |||
96 | printf_xy(0,8,WHITE,"CMOS Adjustment setting"); |
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97 | printf_xy(0,9,WHITE,"CMOS last delta Clk/msec: %12ld",(long)last_delta_clk_per_msec); |
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98 | printf_xy(0,10,WHITE,"CMOS total delta Clk/msec: %12ld",(long)total_delta_clk_per_msec); |
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99 | |||
100 | printf_xy(0,12,WHITE,"Timer Access Delay: %12ld ns",s_test.tv_nsec/2); |
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101 | |||
102 | task_endcycle(); |
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103 | |||
104 | } |
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105 | |||
106 | sys_end(); |
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107 | |||
108 | } |
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109 | |||
110 | void set_screen() |
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111 | { |
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112 | |||
113 | printf_xy(20,0,WHITE," Advanced Timer Demo "); |
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114 | printf_xy(20,1,WHITE,"Giacomo Guidi <giacomo@gandalf.sssup.it>"); |
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115 | printf_xy(20,2,WHITE," Press Alt + c to exit "); |
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116 | |||
117 | } |
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118 | |||
119 | |||
120 | int main(int argc, char **argv) |
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121 | { |
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122 | |||
123 | HARD_TASK_MODEL mp; //Show current setting |
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124 | PID update; |
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125 | KEY_EVT k; |
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126 | |||
127 | k.flag = ALTL_BIT; |
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128 | k.scan = KEY_C; |
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129 | k.ascii = 'c'; |
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130 | keyb_hook(k,program_key_end); |
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131 | |||
132 | clear(); |
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133 | |||
134 | set_screen(); |
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135 | |||
136 | hard_task_default_model(mp); |
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137 | hard_task_def_ctrl_jet(mp); |
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138 | hard_task_def_group(mp, 1); |
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139 | hard_task_def_wcet(mp,UPDATE_WCET); |
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140 | hard_task_def_mit(mp,UPDATE_PERIOD); |
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141 | hard_task_def_usemath(mp); |
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142 | update = task_create("Update", Update, &mp, NULL); |
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143 | if (update != NIL) task_activate(update); |
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144 | |||
145 | return 0; |
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146 | |||
147 | } |