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1655 | giacomo | 1 | /***************************************************************************** |
2 | * Filename: osc.c * |
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3 | * Author: Ghiro Andrea,Franchino Gianluca * |
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4 | * Date: 09/2003 * |
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5 | * Description: Oscilloscope and function generator for PCI6025E * |
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6 | *----------------------------------------------------------------------------* |
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7 | * Notes: Connect DAC output pin (21) to ADC input pins (3-18) and * |
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8 | * watch the waveforms. * |
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9 | *****************************************************************************/ |
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10 | |||
11 | /* This file is part of the S.Ha.R.K. Project - http://shark.sssup.it |
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12 | * |
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13 | * Copyright (C) 2003 Ghiro Andrea,Franchino Gianluca |
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14 | * |
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15 | * This program is free software; you can redistribute it and/or modify |
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16 | * it under the terms of the GNU General Public License as published by |
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17 | * the Free Software Foundation; either version 2 of the License, or |
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18 | * (at your option) any later version. |
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19 | * |
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20 | * This program is distributed in the hope that it will be useful, |
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21 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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22 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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23 | * GNU General Public License for more details. |
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24 | * |
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25 | * You should have received a copy of the GNU General Public License |
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26 | * along with this program; if not, write to the Free Software |
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27 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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28 | * |
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29 | */ |
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30 | |||
31 | |||
32 | #include <drivers/glib.h> |
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33 | #include <drivers/keyb.h> |
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34 | #include <math.h> |
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35 | #include <drivers/pci6025e/dac.h> |
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36 | #include <modules/hartport.h> |
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37 | #include <modules/srp.h> |
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38 | #include "adc.h" |
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39 | |||
40 | #define MAX_VAL 500 |
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41 | #define NUM_POINT 20 |
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42 | #define GRAPH_PERIOD 50000 |
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43 | #define GRAPH_WCET 2000 |
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44 | #define WAVE_WCET 200 |
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45 | #define OSC_WCET 200 |
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46 | #define TASK_GROUP 1 |
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47 | #define CHFREQ_PERIOD 5000 |
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48 | #define CHFREQ_WCET 200 |
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49 | |||
50 | void drawInterface(void); |
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51 | void endfun(KEY_EVT *); |
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52 | void close_event(void *); |
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53 | void createWaves(void); |
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54 | void change_disp(KEY_EVT *); |
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55 | void change_mode(KEY_EVT *); |
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56 | void change_wave(KEY_EVT *); |
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57 | void change_passo(KEY_EVT *); |
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58 | void change_channel(KEY_EVT *); |
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59 | void inc(KEY_EVT *); |
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60 | void dec(KEY_EVT *); |
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61 | |||
62 | TASK video_body(int); |
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63 | TASK wave_body(int); |
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64 | TASK osc_body(int); |
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65 | TASK chfreq_body(int); |
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66 | |||
67 | HARD_TASK_MODEL wave0; |
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68 | HARD_TASK_MODEL chfreq; |
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69 | HARD_TASK_MODEL osc; |
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70 | SRP_RES_MODEL r; |
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71 | SRP_mutexattr_t a; |
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72 | |||
73 | PID wave0_pid; |
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74 | PID chfreq_pid; |
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75 | PID osc_pid; |
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76 | |||
77 | mutex_t m1 ; |
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78 | |||
79 | int black = rgb16(0,0,0), |
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80 | white = rgb16(255, 255, 255); |
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81 | |||
82 | int wave = 3, |
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83 | varfun = 0, |
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84 | varosc = 0, |
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85 | flagch = 0, |
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86 | channel = 0; |
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87 | |||
88 | float vfun = 0, |
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89 | vosc = 2.5, |
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90 | ffun = 1, |
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91 | tbase = 75, |
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92 | yr[MAX_VAL], |
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93 | yrdac[NUM_POINT], |
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94 | ys[MAX_VAL], |
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95 | ysdac[NUM_POINT], |
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96 | yq[MAX_VAL], |
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97 | yqdac[NUM_POINT]; |
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98 | |||
99 | BYTE disp = 0, |
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100 | modefun= 0, |
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101 | modeosc= 0, |
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102 | lib = 0, |
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103 | sys = 0; |
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104 | |||
105 | short yoscold[MAX_VAL]; |
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106 | |||
107 | unsigned int period= 1e6/NUM_POINT; |
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108 | unsigned int oscperiod = 1500; |
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109 | |||
110 | int main(int argc, char **argv) |
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111 | { |
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112 | KEY_EVT k; |
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113 | |||
114 | HARD_TASK_MODEL video; |
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115 | PID video_pid; |
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116 | |||
117 | int modenum; |
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118 | |||
119 | k.flag = CNTR_BIT; |
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120 | k.scan = KEY_X; |
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121 | k.ascii = 'x'; |
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122 | keyb_hook(k, endfun); |
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123 | |||
124 | k.flag = CNTL_BIT; |
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125 | keyb_hook(k, endfun); |
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126 | |||
127 | k.flag = 0; |
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128 | k.scan = KEY_A; |
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129 | k.ascii = 'a'; |
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130 | keyb_hook(k, change_disp); |
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131 | |||
132 | k.flag = 0; |
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133 | k.scan = KEY_S; |
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134 | k.ascii = 's'; |
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135 | keyb_hook(k, change_mode); |
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136 | |||
137 | k.flag = 0; |
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138 | k.scan = KEY_F; |
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139 | k.ascii = 'f'; |
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140 | keyb_hook(k, change_wave); |
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141 | |||
142 | k.flag = 0; |
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143 | k.scan = KEY_G; |
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144 | k.ascii = 'g'; |
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145 | keyb_hook(k, change_wave); |
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146 | |||
147 | k.flag = 0; |
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148 | k.scan = KEY_H; |
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149 | k.ascii = 'H'; |
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150 | keyb_hook(k, change_wave); |
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151 | |||
152 | k.flag = 0; |
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153 | k.scan = KEY_D; |
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154 | k.ascii = 'd'; |
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155 | keyb_hook(k, change_passo); |
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156 | |||
157 | k.flag = 0; |
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158 | k.scan = KEY_J; |
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159 | k.ascii = 'j'; |
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160 | keyb_hook(k, change_channel); |
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161 | |||
162 | k.flag = 0; |
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163 | k.scan = 78; |
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164 | k.ascii = 43; |
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165 | keyb_hook(k, inc); |
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166 | |||
167 | k.flag = 0; |
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168 | k.scan = 74; |
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169 | k.ascii = 45; |
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170 | keyb_hook(k, dec); |
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171 | |||
172 | sys_atrunlevel(close_event, NULL, RUNLEVEL_BEFORE_EXIT); |
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173 | |||
174 | /*initialize the srp mutex*/ |
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175 | SRP_mutexattr_default(a); |
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176 | mutex_init(&m1,&a); |
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177 | |||
178 | hard_task_default_model(wave0); |
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179 | hard_task_def_wcet(wave0, WAVE_WCET); |
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180 | hard_task_def_mit(wave0, period); |
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181 | hard_task_def_group(wave0, TASK_GROUP); |
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182 | if( (wave0_pid = task_create("Wave 0", wave_body, &wave0, NULL)) == NIL ) |
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183 | { |
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184 | sys = 10; |
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185 | sys_end(); |
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186 | } |
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187 | |||
188 | hard_task_default_model(video); |
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189 | hard_task_def_wcet(video, GRAPH_WCET); |
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190 | hard_task_def_mit(video, GRAPH_PERIOD); |
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191 | hard_task_def_group(video, TASK_GROUP); |
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192 | SRP_res_default_model(r,2); |
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193 | if( (video_pid = task_createn("Video task", video_body, &video, &r, |
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194 | SRP_usemutex(&m1), NULL))== NIL ) |
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195 | { |
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196 | sys = 12; |
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197 | sys_end(); |
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198 | } |
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199 | |||
200 | hard_task_default_model(osc); |
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201 | hard_task_def_wcet(osc, OSC_WCET); |
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202 | hard_task_def_mit(osc, oscperiod); |
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203 | hard_task_def_group(osc, TASK_GROUP); |
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204 | SRP_res_default_model(r,1); |
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205 | if((osc_pid = task_createn("osc task", osc_body, &osc, &r, |
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206 | SRP_usemutex(&m1), NULL))== NIL ) |
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207 | { |
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208 | sys = 11; |
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209 | sys_end(); |
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210 | } |
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211 | |||
212 | hard_task_default_model(chfreq); |
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213 | hard_task_def_wcet(chfreq, CHFREQ_WCET); |
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214 | hard_task_def_mit(chfreq, CHFREQ_PERIOD); |
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215 | hard_task_def_group(chfreq, TASK_GROUP); |
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216 | if( (chfreq_pid = task_create("chfreq", chfreq_body, &chfreq, NULL)) == NIL ) |
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217 | { |
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218 | sys = 13; |
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219 | sys_end(); |
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220 | } |
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221 | |||
222 | if(grx_init() == -1) |
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223 | { |
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224 | sys = 30; |
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225 | sys_end(); |
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226 | } |
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227 | |||
228 | if((modenum = grx_getmode(800, 600, 16)) == -1) |
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229 | { |
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230 | sys = 31; |
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231 | sys_end(); |
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232 | } |
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233 | |||
234 | if(pci_init() == -1) |
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235 | { |
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236 | sys = 20; |
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237 | sys_end(); |
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238 | } |
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239 | |||
240 | if(!reMap()) |
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241 | { |
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242 | sys = 21; |
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243 | sys_end(); |
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244 | } |
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245 | |||
246 | grx_setmode(modenum); |
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247 | |||
248 | createWaves(); |
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249 | drawInterface(); |
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250 | |||
251 | DAC_Init(); //Program the DAQ-STC AOTM |
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252 | Configure_Board(channel); //Configure the board with the channel settings. |
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253 | ADC_Init(); //Program the DAQ-STC AITM |
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254 | |||
255 | group_activate(TASK_GROUP); |
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256 | |||
257 | return 0; |
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258 | } |
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259 | |||
260 | void endfun(KEY_EVT *k) |
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261 | { |
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262 | sys_end(); |
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263 | } |
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264 | |||
265 | void close_event(void *arg) |
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266 | { |
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267 | grx_close(); |
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268 | switch(sys) |
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269 | { |
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270 | case 0: cprintf("Regular End!\n"); break; |
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271 | case 10: cprintf("Cannot create <wave 0> task!\n"); break; |
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272 | case 11: cprintf("Cannot create <osc> task!\n"); break; |
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273 | case 12: cprintf("Cannot create <video> task!\n"); break; |
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274 | case 13: cprintf("Cannot create <chfreq> task!\n"); break; |
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275 | case 14: cprintf("Cannot kill <wave 0> task!\n"); break; |
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276 | case 15: cprintf("Cannot kill <osc> task\n");break; |
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277 | case 20: cprintf("No PCI bus found!\n"); break; |
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278 | case 21: cprintf("No NATIONAL PCI E-Series board found on PCI bus!\n");break; |
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279 | case 30: cprintf("Cannot start graphic envirorment!\n"); break; |
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280 | case 31: cprintf("800x600x16 video mode not supported!\n");break; |
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281 | default: cprintf("Unknown exit event!\n"); break; |
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282 | } |
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283 | } |
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284 | |||
285 | /* |
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286 | * kill wave0 or osc when frequency change |
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287 | */ |
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288 | |||
289 | TASK chfreq_body(int w) |
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290 | { |
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291 | PORT p; |
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292 | char msg[1]; |
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293 | p = port_create("activation",1,1,STREAM,WRITE); |
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294 | |||
295 | while(1) |
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296 | { |
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297 | if(flagch == 1) |
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298 | { |
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299 | if(task_kill(wave0_pid)!=0) |
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300 | { |
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301 | sys=14; |
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302 | sys_end(); |
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303 | } |
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304 | hard_task_def_mit(wave0, period); |
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305 | if( (wave0_pid = task_create("wave 0", wave_body, &wave0, NULL))== NIL ) |
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306 | { |
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307 | sys = 10; |
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308 | sys_end(); |
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309 | } |
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310 | flagch = 0; |
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311 | task_activate(wave0_pid); |
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312 | } |
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313 | |||
314 | if(flagch == 2) |
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315 | { |
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316 | if(task_kill(osc_pid)!=0) |
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317 | { |
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318 | sys=15; |
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319 | sys_end(); |
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320 | } |
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321 | hard_task_def_mit(osc, oscperiod); |
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322 | if( (osc_pid = task_createn("osc", osc_body, &osc, &r, |
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323 | SRP_usemutex(&m1), NULL))== NIL ) |
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324 | { |
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325 | sys = 11; |
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326 | sys_end(); |
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327 | } |
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328 | flagch = 0; |
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329 | msg[0]=1; |
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330 | port_send(p,msg,NON_BLOCK); |
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331 | } |
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332 | task_endcycle(); |
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333 | } |
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334 | } |
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335 | |||
336 | /* |
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337 | * acquisition of input samples |
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338 | */ |
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339 | |||
340 | TASK osc_body(int wv) |
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341 | { |
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342 | int i = 0 ; |
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343 | short y = 0; |
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344 | WORD Status = 0; |
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345 | |||
346 | while(1) |
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347 | { |
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348 | mutex_lock(&m1); |
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349 | if(lib) |
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350 | { |
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351 | mutex_unlock(&m1); |
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352 | AI_Start_The_Acquisition(); |
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353 | do { |
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354 | Status = DAQ_STC_Windowed_Mode_Read(AI_STATUS_1); |
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355 | if (!( (Status & 0x1000) == 0x1000 ) ) |
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356 | y = Immediate_Readw(ADC_DATA_READ); |
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357 | } while(((Status & 0x1000) == 0x1000)); |
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358 | y = (2.5/vosc)*(y-40)/20; |
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359 | if(abs(y)<=100) |
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360 | { |
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361 | grx_plot(19+i,483-y,rgb16(255,255,0)); |
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362 | } |
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363 | yoscold[i]=y; |
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364 | i=(i+1)%500; |
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365 | if(i==0) |
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366 | { |
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367 | mutex_lock(&m1); |
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368 | lib=0; |
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369 | mutex_unlock(&m1); |
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370 | task_testcancel(); |
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371 | } |
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372 | } |
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373 | else mutex_unlock(&m1); |
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374 | task_endcycle(); |
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375 | } |
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376 | } |
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377 | |||
378 | /* |
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379 | * Sends out waves' samples |
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380 | */ |
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381 | |||
382 | TASK wave_body(int wv) |
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383 | { |
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384 | int i = 0; |
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385 | int y = 0; |
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386 | while(1) |
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387 | { |
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388 | if(wave==0) |
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389 | { |
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390 | y=vfun*(yrdac[i]*20); |
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391 | y=(y & 0x0FFF); |
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392 | } |
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393 | if(wave==1) |
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394 | { |
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395 | y=vfun*(ysdac[i]*20); |
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396 | y=(y & 0x0FFF); |
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397 | } |
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398 | if(wave==2) |
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399 | { |
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400 | y=vfun*(yqdac[i]*20); |
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401 | y=(y & 0x0FFF); |
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402 | } |
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403 | DAC_output(DAC1,y); |
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404 | i = (i + 1) % NUM_POINT; |
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405 | task_testcancel(); |
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406 | task_endcycle(); |
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407 | } |
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408 | } |
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409 | |||
410 | /* |
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411 | * Shows setting,wave,grid and clear display |
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412 | */ |
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413 | |||
414 | TASK video_body(int dummy) |
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415 | { |
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416 | BYTE dispold = 1, |
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417 | modefunold = 1, |
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418 | modeoscold = 1, |
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419 | new = 0; |
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420 | |||
421 | int waveold = 3, |
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422 | varfunold = 2, |
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423 | i = 0, |
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424 | y = 0, |
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425 | channelold = 16, |
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426 | yold[MAX_VAL]; |
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427 | |||
428 | |||
429 | float vfunold = 1, |
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430 | voscold = 1, |
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431 | ffunold = 0, |
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432 | tbaseold = 1; |
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433 | |||
434 | char st[20]; |
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435 | |||
436 | PORT p; |
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437 | char msg[1]; |
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438 | p=port_connect("activation",1,STREAM,READ); |
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439 | |||
440 | while(1) |
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441 | { |
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442 | mutex_lock(&m1); |
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443 | if(!lib) |
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444 | { |
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445 | mutex_unlock(&m1); |
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446 | for(i=0;i<MAX_VAL;i++) |
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447 | { |
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448 | if(abs(yoscold[i])<=100) |
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449 | { |
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450 | grx_plot(19+i,483-yoscold[i],rgb16(0,0,0)); |
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451 | } |
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452 | } |
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453 | //OSCILLOSCOPE GRID |
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454 | grx_line(19, 385, 519, 385, rgb16(150,150,150)); |
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455 | grx_line(19, 410, 519, 410, rgb16(150,150,150)); |
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456 | grx_line(19, 435, 519, 435, rgb16(150,150,150)); |
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457 | grx_line(19, 460, 519, 460, rgb16(150,150,150)); |
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458 | grx_line(19, 485, 519, 485, rgb16(150,150,150)); |
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459 | grx_line(19, 510, 519, 510, rgb16(150,150,150)); |
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460 | grx_line(19, 535, 519, 535, rgb16(150,150,150)); |
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461 | grx_line(19, 560, 519, 560, rgb16(150,150,150)); |
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462 | grx_line(19, 585, 519, 585, rgb16(150,150,150)); |
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463 | grx_line(19, 385, 19, 585, rgb16(150,150,150)); |
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464 | grx_line(69, 385, 69, 585, rgb16(150,150,150)); |
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465 | grx_line(119, 385, 119, 585, rgb16(150,150,150)); |
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466 | grx_line(169, 385, 169, 585, rgb16(150,150,150)); |
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467 | grx_line(219, 385, 219, 585, rgb16(150,150,150)); |
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468 | grx_line(269, 385, 269, 585, rgb16(150,150,150)); |
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469 | grx_line(319, 385, 319, 585, rgb16(150,150,150)); |
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470 | grx_line(369, 385, 369, 585, rgb16(150,150,150)); |
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471 | grx_line(419, 385, 419, 585, rgb16(150,150,150)); |
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472 | grx_line(469, 385, 469, 585, rgb16(150,150,150)); |
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473 | grx_line(519, 385, 519, 585, rgb16(150,150,150)); |
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474 | mutex_lock(&m1); |
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475 | lib=1; |
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476 | mutex_unlock(&m1); |
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477 | port_receive(p,msg,NON_BLOCK); |
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478 | if(msg[0]==1) |
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479 | { |
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480 | task_activate(osc_pid); |
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481 | } |
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482 | } |
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483 | else mutex_unlock(&m1); |
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484 | if(disp != dispold) |
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485 | { |
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486 | dispold = disp; |
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487 | grx_disc(780,120,10,rgb16(255*(1-disp),0,0)); |
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488 | grx_disc(780,390,10,rgb16(0,255*disp,0)); |
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489 | } |
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490 | |||
491 | if(modefun != modefunold) |
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492 | { |
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493 | modefunold = modefun; |
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494 | grx_disc(780,237,5,rgb16(255*(1-modefun),0,0)); |
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495 | grx_disc(780,267,5,rgb16(255*(modefun),0,0)); |
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496 | } |
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497 | |||
498 | if(modeosc != modeoscold) |
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499 | { |
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500 | modeoscold = modeosc; |
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501 | grx_disc(780,502,5,rgb16(0,255*(1-modeosc),0)); |
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502 | grx_disc(780,532,5,rgb16(0,255*(modeosc),0)); |
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503 | } |
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504 | |||
505 | if(wave != waveold) |
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506 | { |
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507 | waveold = wave; |
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508 | grx_disc(730,127,3,rgb16(127*(1-wave)*(2-wave),0,0)); |
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509 | grx_disc(730,142,3,rgb16(254*wave*(2-wave),0,0)); |
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510 | grx_disc(730,157,3,rgb16(254*wave*(wave-1),0,0)); |
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511 | new=1; |
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512 | } |
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513 | |||
514 | if(varfun != varfunold) |
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515 | { |
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516 | varfunold = varfun; |
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517 | grx_disc(675,292,3,rgb16(42*(1-varfun)*(2-varfun)*(3-varfun),0,0)); |
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518 | grx_disc(775,292,3,rgb16(126*varfun*(2-varfun)*(3-varfun),0,0)); |
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519 | grx_disc(675,307,3,rgb16(252*varfun*(varfun-1)*(3-varfun),0,0)); |
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520 | grx_disc(775,307,3,rgb16(42*varfun*(varfun-1)*(varfun-2),0,0)); |
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521 | } |
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522 | |||
523 | |||
524 | if(channel != channelold) |
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525 | { |
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526 | sprintf(st,"%2d",channel); |
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527 | grx_text(" ",660,470,black,white); |
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528 | grx_text(st,660,470,black,white); |
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529 | } |
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530 | |||
531 | if(ffun != ffunold) |
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532 | { |
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533 | ffunold = ffun; |
||
534 | sprintf(st,"%10f",ffun); |
||
535 | grx_text(" ",660,265,black,white); |
||
536 | grx_text(st,660,265,black,white); |
||
537 | } |
||
538 | |||
539 | if(tbase != tbaseold) |
||
540 | { |
||
541 | tbaseold = tbase; |
||
542 | sprintf(st,"%10f",tbase); |
||
543 | grx_text(" ",660,530,black,white); |
||
544 | grx_text(st,660,530,black,white); |
||
545 | } |
||
546 | |||
547 | if(vfun != vfunold) |
||
548 | { |
||
549 | vfunold = vfun; |
||
550 | sprintf(st,"%3.1f",vfun); |
||
551 | grx_text(" ",660,235,black,white); |
||
552 | grx_text(st,660,235,black,white); |
||
553 | new=1; |
||
554 | } |
||
555 | |||
556 | if(vosc != voscold) |
||
557 | { |
||
558 | voscold = vosc; |
||
559 | sprintf(st,"%3.1f",vosc); |
||
560 | grx_text(" ",660,500,black,white); |
||
561 | grx_text(st,660,500,black,white); |
||
562 | } |
||
563 | |||
564 | if(new) |
||
565 | { |
||
566 | for(i=0; i<MAX_VAL; i++) |
||
567 | { |
||
568 | grx_plot(19+i, 215-yold[i],rgb16(0, 0, 0)); |
||
569 | } |
||
570 | |||
571 | //FUNCTION GENERATOR GRID |
||
572 | grx_line(22, 115, 525, 115, rgb16(150,150,150)); |
||
573 | grx_line(22, 165, 525, 165, rgb16(150,150,150)); |
||
574 | grx_line(22, 265, 525, 265, rgb16(150,150,150)); |
||
575 | grx_line(22, 315, 525, 315, rgb16(150,150,150)); |
||
576 | grx_line(19, 110, 19, 320, rgb16(150,150,150)); |
||
577 | grx_line(14, 215, 525, 215, rgb16(150,150,150)); |
||
578 | |||
579 | if(wave==0) |
||
580 | { |
||
581 | for(i=0;i<MAX_VAL;i++) |
||
582 | { |
||
583 | y=(vfun)*yr[i]; |
||
584 | grx_plot(19+i,215-y,rgb16(255,255,0)); |
||
585 | yold[i]=y; |
||
586 | } |
||
587 | } |
||
588 | |||
589 | if(wave==1) |
||
590 | { |
||
591 | for(i=0;i<MAX_VAL;i++) |
||
592 | { |
||
593 | y=(vfun)*ys[i]; |
||
594 | grx_plot(19+i,215-y,rgb16(255,255,0)); |
||
595 | yold[i]=y; |
||
596 | } |
||
597 | } |
||
598 | |||
599 | if(wave==2) |
||
600 | { |
||
601 | for(i=0;i<MAX_VAL;i++) |
||
602 | { |
||
603 | y=(vfun)*yq[i]; |
||
604 | grx_plot(19+i,215-y,rgb16(255,255,0)); |
||
605 | yold[i]=y; |
||
606 | } |
||
607 | } |
||
608 | |||
609 | new=0; |
||
610 | } |
||
611 | task_endcycle(); |
||
612 | } |
||
613 | } |
||
614 | |||
615 | /* |
||
616 | * create wave triangular,sinusoidal and square |
||
617 | */ |
||
618 | |||
619 | void createWaves(void) |
||
620 | { |
||
621 | float u=0, |
||
622 | qdac= 2*PI/NUM_POINT, |
||
623 | q = 2*PI/(MAX_VAL/2); |
||
624 | |||
625 | register int i; |
||
626 | |||
627 | BYTE direction=0; |
||
628 | /*create the vectors for the video task*/ |
||
629 | for(i=0;i<MAX_VAL/2;i++) |
||
630 | { |
||
631 | yr[i]=yr[i+MAX_VAL/2]=u/10; |
||
632 | if(!direction) u += 1.613; |
||
633 | else u -= 1.613; |
||
634 | if(u >= 100) direction = 1; |
||
635 | if(u <= -101) direction = 0; |
||
636 | |||
637 | ys[i]=ys[i+MAX_VAL/2] = (sin(i*q)*10); |
||
638 | |||
639 | if((i>=(MAX_VAL/4) && i< (MAX_VAL/2))) yq[i]=yq[i+MAX_VAL/2]=0; |
||
640 | else yq[i]=yq[i+MAX_VAL/2]=10; |
||
641 | } |
||
642 | /*create the vectors for the wave_body task*/ |
||
643 | direction=0; |
||
644 | u = 0; |
||
645 | for(i=0;i<NUM_POINT;i++) |
||
646 | { |
||
647 | yrdac[i]=u/10; |
||
648 | if(!direction) u += (400/NUM_POINT); |
||
649 | else u -= (400/NUM_POINT); |
||
650 | if(u >= 100) direction = 1; |
||
651 | if(u <= -100) direction = 0; |
||
652 | |||
653 | ysdac[i]=(sin(i*qdac)*10); |
||
654 | |||
655 | if((i>=(NUM_POINT/2) && i<NUM_POINT)) yqdac[i]=0; |
||
656 | else yqdac[i]=10; |
||
657 | } |
||
658 | } |
||
659 | |||
660 | /* |
||
661 | * select device (0 function generator,1 oscilloscope) |
||
662 | */ |
||
663 | |||
664 | void change_disp(KEY_EVT *k) |
||
665 | { |
||
666 | if(disp) disp = 0; |
||
667 | else disp = 1; |
||
668 | } |
||
669 | |||
670 | /* |
||
671 | * select volt or frequency |
||
672 | */ |
||
673 | |||
674 | void change_mode(KEY_EVT *k) |
||
675 | { |
||
676 | if(disp && modeosc) modeosc = 0; |
||
677 | else |
||
678 | if(disp && !modeosc) modeosc = 1; |
||
679 | else |
||
680 | if(!disp && modefun) modefun = 0; |
||
681 | else |
||
682 | if(!disp && !modefun) modefun =1; |
||
683 | } |
||
684 | |||
685 | /* |
||
686 | * select wave (0 triangular,1 sinusoindal,2 square |
||
687 | */ |
||
688 | |||
689 | void change_wave(KEY_EVT *k) |
||
690 | { |
||
691 | if(!disp && k->ascii =='f') |
||
692 | { |
||
693 | wave=0; |
||
694 | } |
||
695 | else |
||
696 | if(!disp && k->ascii =='g') |
||
697 | { |
||
698 | wave=1; |
||
699 | } |
||
700 | else |
||
701 | if(!disp && k->ascii =='h') |
||
702 | { |
||
703 | wave=2; |
||
704 | } |
||
705 | } |
||
706 | |||
707 | /* |
||
708 | * select increase or decrease step |
||
709 | */ |
||
710 | |||
711 | void change_passo(KEY_EVT *k) |
||
712 | { |
||
713 | if(!disp && modefun) |
||
714 | { |
||
715 | varfun=(varfun+1)%2; |
||
716 | } |
||
717 | } |
||
718 | |||
719 | /* |
||
720 | * select input channel |
||
721 | */ |
||
722 | |||
723 | void change_channel(KEY_EVT *k) |
||
724 | { |
||
725 | if(disp) |
||
726 | { |
||
727 | channel=(channel+1)%16; |
||
728 | Configure_Board(channel); |
||
729 | } |
||
730 | } |
||
731 | |||
732 | /* |
||
733 | * increase selected variable |
||
734 | */ |
||
735 | |||
736 | void inc(KEY_EVT *k) |
||
737 | { |
||
738 | if(disp && modeosc && tbase<300) |
||
739 | { |
||
740 | flagch=2; |
||
741 | switch(varosc) |
||
742 | { |
||
743 | case(0): tbase = tbase*2; |
||
744 | oscperiod=(tbase/50)*1000; |
||
745 | break; |
||
746 | } |
||
747 | } |
||
748 | else |
||
749 | if(disp && !modeosc && vosc<10) vosc += 0.1; |
||
750 | else |
||
751 | if(!disp && modefun && ffun<(1e6/(1020*NUM_POINT))-1) |
||
752 | { |
||
753 | flagch=1; |
||
754 | switch(varfun) |
||
755 | { |
||
756 | case(0): ffun += 1; |
||
757 | period = 1e6/(NUM_POINT*ffun); |
||
758 | break; |
||
759 | case(1): ffun += 10; |
||
760 | period = 1e6/(NUM_POINT*ffun); |
||
761 | break; |
||
762 | } |
||
763 | } |
||
764 | else |
||
765 | if(!disp && !modefun && vfun<10) vfun += 0.1; |
||
766 | } |
||
767 | |||
768 | /* |
||
769 | * decrease selected variable |
||
770 | */ |
||
771 | |||
772 | void dec(KEY_EVT *k) |
||
773 | { |
||
774 | if(disp && modeosc && tbase> 75) |
||
775 | { |
||
776 | flagch=2; |
||
777 | switch(varosc) |
||
778 | { |
||
779 | case(0): tbase = tbase/2; |
||
780 | oscperiod=(tbase/50)*1000; |
||
781 | break; |
||
782 | } |
||
783 | } |
||
784 | else |
||
785 | if(disp && !modeosc && vosc> 0.2) vosc -= 0.1; |
||
786 | else |
||
787 | if(!disp && modefun && ffun> 0) |
||
788 | { |
||
789 | flagch = 1; |
||
790 | switch(varfun) |
||
791 | { |
||
792 | case(0): ffun -= 1; |
||
793 | if(ffun == 0) period =1e6; |
||
794 | else |
||
795 | period = 1e6/(NUM_POINT*ffun); |
||
796 | break; |
||
797 | case(1): ffun -= 10; |
||
798 | if(ffun == 0) period =1e6; |
||
799 | else |
||
800 | period = 1e6/(NUM_POINT*ffun); |
||
801 | break; |
||
802 | } |
||
803 | } |
||
804 | else |
||
805 | if(!disp && !modefun && vfun> -10) vfun -= 0.1; |
||
806 | } |
||
807 | |||
808 | /* |
||
809 | * draw interface |
||
810 | */ |
||
811 | |||
812 | void drawInterface(void) |
||
813 | { |
||
814 | //TITLE |
||
815 | grx_rect(1, 1, 799, 69, rgb16(105, 0, 105)); |
||
816 | grx_rect(2, 2, 798, 68, rgb16(155, 0, 155)); |
||
817 | grx_rect(3, 3, 797, 67, rgb16(205, 0, 205)); |
||
818 | grx_rect(4, 4, 796, 66, rgb16(255, 0, 255)); |
||
819 | grx_text("Oscilloscope and function generator for PCI6025E",7, 10, rgb16(50, 255, 50), black); |
||
820 | grx_text("Pin ADC 3-18, DAC 21",7, 25, rgb16(0, 255, 255), black); |
||
821 | grx_text("A for select Oscilloscope or Function generator",7, 40, rgb16(0, 255, 255), black); |
||
822 | grx_text("CTRL-X for Exit", 7, 55, rgb16(200, 200, 0), black); |
||
823 | |||
824 | //FUNCTION GENERATOR |
||
825 | grx_text("FUNCTION GENERATOR", 100, 92, rgb16(200, 200, 0), black); |
||
826 | grx_rect(1, 100, 549, 325, rgb16(0, 105, 0)); |
||
827 | grx_rect(2, 101, 548, 324, rgb16(0, 155, 0)); |
||
828 | grx_rect(3, 102, 547, 323, rgb16(0, 205, 0)); |
||
829 | grx_rect(4, 103, 546, 322, rgb16(0, 255, 0)); |
||
830 | grx_rect(579, 100, 799, 325, rgb16(0, 105, 0)); |
||
831 | grx_rect(580, 101, 798, 324, rgb16(0, 155, 0)); |
||
832 | grx_rect(581, 102, 797, 323, rgb16(0, 205, 0)); |
||
833 | grx_rect(582, 103, 796, 322, rgb16(0, 255, 0)); |
||
834 | grx_text("Wave selection",589,110,rgb16(0, 255, 0), black); |
||
835 | grx_text("f -->triangular",589,125,rgb16(200, 200, 0), black); |
||
836 | grx_text("g -->sin",589,140,rgb16(200, 200, 0), black); |
||
837 | grx_text("h -->square",589,155,rgb16(200, 200, 0), black); |
||
838 | grx_text("s -->select volt/freq",589,180,rgb16(200, 200, 0), black); |
||
839 | grx_text("+/- -->set volt/freq",589,195,rgb16(200, 200, 0), black); |
||
840 | grx_text("d -->frequency increase",589,210,rgb16(200, 200, 0),black); |
||
841 | grx_text("Vpicco V",589,235,rgb16(0, 255, 0),black); |
||
842 | grx_text("Freq Hz",589,265,rgb16(0, 255, 0),black); |
||
843 | grx_text("+/- 1 Hz",589,290,rgb16(0, 255, 0),black); |
||
844 | grx_text("+/- 10 HZ",689,290,rgb16(0, 255, 0),black); |
||
845 | |||
846 | //OSCILLOSCOPE |
||
847 | grx_text("OSCILLOSCOPE", 100, 362, rgb16(200, 200, 0), black); |
||
848 | grx_rect(1, 370, 549, 595, rgb16(105, 0, 0)); |
||
849 | grx_rect(2, 371, 548, 594, rgb16(155, 0, 0)); |
||
850 | grx_rect(3, 372, 547, 593, rgb16(205, 0, 0)); |
||
851 | grx_rect(4, 373, 546, 592, rgb16(255, 0, 0)); |
||
852 | grx_rect(579, 370, 799, 595, rgb16(105, 0, 0)); |
||
853 | grx_rect(580, 371, 798, 594, rgb16(155, 0, 0)); |
||
854 | grx_rect(581, 372, 797, 593, rgb16(205, 0, 0)); |
||
855 | grx_rect(582, 373, 796, 592, rgb16(255, 0, 0)); |
||
856 | grx_text("Scale selection",589,380,rgb16(255, 0, 0), black); |
||
857 | grx_text("s -->select volt/freq",589,400,rgb16(200, 200, 0), black); |
||
858 | grx_text("+/- -->set volt/freq",589,415,rgb16(200, 200, 0), black); |
||
859 | grx_text("j -->change channel",589,430,rgb16(200, 200, 0),black); |
||
860 | grx_text("Channel",589,470,rgb16(255, 0, 0),black); |
||
861 | grx_text("Volt/div V",589,500,rgb16(255, 0, 0),black); |
||
862 | grx_text("Time/div ms",589,530,rgb16(255, 0, 0),black); |
||
863 | |||
864 | //LABEL |
||
865 | grx_text("0 V", 555, 211, rgb16(0, 255, 0), black); |
||
866 | grx_text("+10", 555, 111, rgb16(0, 255, 0), black); |
||
867 | grx_text("+5", 555, 161, rgb16(0, 255, 0), black); |
||
868 | grx_text("-5", 555, 261, rgb16(0, 255, 0), black); |
||
869 | grx_text("-10", 555, 311, rgb16(0, 255 , 0), black); |
||
870 | grx_text("0 V", 555, 481, rgb16(255, 0, 0), black); |
||
871 | } |