SSSUP
/
CanSat_Release_Mechanism-Controller
放出機構コントローラ用プログラム
main.cpp@3:52396b1b5867, 2020-12-16 (annotated)
- Committer:
- scb01166
- Date:
- Wed Dec 16 13:13:15 2020 +0000
- Revision:
- 3:52396b1b5867
- Parent:
- 2:76f6a32f9404
Added "NoSignal" message; Improved the response when pushing the deploy button
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
scb01166 | 0:7bea87fe7ce1 | 1 | #include "mbed.h" |
scb01166 | 0:7bea87fe7ce1 | 2 | #include "BMP180.h" |
scb01166 | 0:7bea87fe7ce1 | 3 | #include <stdio.h> |
scb01166 | 0:7bea87fe7ce1 | 4 | #include <stdlib.h> |
scb01166 | 0:7bea87fe7ce1 | 5 | #include <math.h> |
scb01166 | 0:7bea87fe7ce1 | 6 | #include <string.h> |
scb01166 | 0:7bea87fe7ce1 | 7 | |
scb01166 | 0:7bea87fe7ce1 | 8 | |
scb01166 | 0:7bea87fe7ce1 | 9 | I2C bmp(D4, D5); |
scb01166 | 0:7bea87fe7ce1 | 10 | BMP180 bmp180(&bmp); |
scb01166 | 0:7bea87fe7ce1 | 11 | Serial xbee(PA_9, PA_10); |
scb01166 | 0:7bea87fe7ce1 | 12 | I2C i2c(D4, D5); // sda, scl |
scb01166 | 0:7bea87fe7ce1 | 13 | #include "SSD1306.h" |
scb01166 | 0:7bea87fe7ce1 | 14 | DigitalOut led(LED1); |
scb01166 | 0:7bea87fe7ce1 | 15 | DigitalIn button(A1); |
scb01166 | 0:7bea87fe7ce1 | 16 | DigitalOut led_button(A2); |
scb01166 | 0:7bea87fe7ce1 | 17 | const int AQCM0802_addr = 0x7C; |
scb01166 | 0:7bea87fe7ce1 | 18 | |
scb01166 | 0:7bea87fe7ce1 | 19 | unsigned char mode; |
scb01166 | 0:7bea87fe7ce1 | 20 | unsigned char contrast = 0; // 0-63 |
scb01166 | 0:7bea87fe7ce1 | 21 | unsigned char contrastFlag = false; |
scb01166 | 0:7bea87fe7ce1 | 22 | int CGcounter; |
scb01166 | 0:7bea87fe7ce1 | 23 | int FADEcounter; |
scb01166 | 0:7bea87fe7ce1 | 24 | |
scb01166 | 0:7bea87fe7ce1 | 25 | void lcd_cmd(char x) |
scb01166 | 0:7bea87fe7ce1 | 26 | { |
scb01166 | 0:7bea87fe7ce1 | 27 | char data[2]; |
scb01166 | 0:7bea87fe7ce1 | 28 | data[0] = 0x00; // CO = 0,RS = 0 |
scb01166 | 0:7bea87fe7ce1 | 29 | data[1] = x; |
scb01166 | 0:7bea87fe7ce1 | 30 | i2c.write(AQCM0802_addr, data, 2); |
scb01166 | 0:7bea87fe7ce1 | 31 | } |
scb01166 | 0:7bea87fe7ce1 | 32 | |
scb01166 | 0:7bea87fe7ce1 | 33 | void lcd_contdata(char x) |
scb01166 | 0:7bea87fe7ce1 | 34 | { |
scb01166 | 0:7bea87fe7ce1 | 35 | char data[2]; |
scb01166 | 0:7bea87fe7ce1 | 36 | data[0] = 0xC0; //0b11000000 CO = 1, RS = 1 |
scb01166 | 0:7bea87fe7ce1 | 37 | data[1] = x; |
scb01166 | 0:7bea87fe7ce1 | 38 | i2c.write(AQCM0802_addr, data, 2); |
scb01166 | 0:7bea87fe7ce1 | 39 | } |
scb01166 | 0:7bea87fe7ce1 | 40 | |
scb01166 | 0:7bea87fe7ce1 | 41 | void lcd_lastdata(char x) |
scb01166 | 0:7bea87fe7ce1 | 42 | { |
scb01166 | 0:7bea87fe7ce1 | 43 | char data[2]; |
scb01166 | 0:7bea87fe7ce1 | 44 | data[0] = 0x40; //0b11000000 CO = 0, RS = 1 |
scb01166 | 0:7bea87fe7ce1 | 45 | data[1] = x; |
scb01166 | 0:7bea87fe7ce1 | 46 | i2c.write(AQCM0802_addr, data, 2); |
scb01166 | 0:7bea87fe7ce1 | 47 | } |
scb01166 | 0:7bea87fe7ce1 | 48 | |
scb01166 | 0:7bea87fe7ce1 | 49 | void lcd_printStr(const char *s) |
scb01166 | 0:7bea87fe7ce1 | 50 | { |
scb01166 | 0:7bea87fe7ce1 | 51 | while(*s) { |
scb01166 | 0:7bea87fe7ce1 | 52 | if(*(s + 1)) { |
scb01166 | 0:7bea87fe7ce1 | 53 | lcd_contdata(*s); |
scb01166 | 0:7bea87fe7ce1 | 54 | } else { |
scb01166 | 0:7bea87fe7ce1 | 55 | lcd_lastdata(*s); |
scb01166 | 0:7bea87fe7ce1 | 56 | } |
scb01166 | 0:7bea87fe7ce1 | 57 | s++; |
scb01166 | 0:7bea87fe7ce1 | 58 | } |
scb01166 | 0:7bea87fe7ce1 | 59 | } |
scb01166 | 0:7bea87fe7ce1 | 60 | |
scb01166 | 0:7bea87fe7ce1 | 61 | void lcd_printHex(unsigned char num) |
scb01166 | 0:7bea87fe7ce1 | 62 | { |
scb01166 | 0:7bea87fe7ce1 | 63 | lcd_contdata(num); |
scb01166 | 0:7bea87fe7ce1 | 64 | } |
scb01166 | 0:7bea87fe7ce1 | 65 | |
scb01166 | 0:7bea87fe7ce1 | 66 | void lcd_init() |
scb01166 | 0:7bea87fe7ce1 | 67 | { |
scb01166 | 0:7bea87fe7ce1 | 68 | wait(0.04); |
scb01166 | 0:7bea87fe7ce1 | 69 | // LCD initialize |
scb01166 | 0:7bea87fe7ce1 | 70 | lcd_cmd(0x38); // function set |
scb01166 | 0:7bea87fe7ce1 | 71 | lcd_cmd(0x39); // function set |
scb01166 | 0:7bea87fe7ce1 | 72 | lcd_cmd(0x04); // EntryModeSet |
scb01166 | 0:7bea87fe7ce1 | 73 | lcd_cmd(0x14); // interval osc |
scb01166 | 0:7bea87fe7ce1 | 74 | lcd_cmd(0x70 | (contrast & 0xF)); // contrast Low |
scb01166 | 0:7bea87fe7ce1 | 75 | lcd_cmd(0x5C | ((contrast >> 4) & 0x3)); // contast High/icon/power |
scb01166 | 0:7bea87fe7ce1 | 76 | lcd_cmd(0x6C); // follower control |
scb01166 | 0:7bea87fe7ce1 | 77 | wait(0.2); |
scb01166 | 0:7bea87fe7ce1 | 78 | lcd_cmd(0x38); // function set |
scb01166 | 0:7bea87fe7ce1 | 79 | lcd_cmd(0x0C); // Display On |
scb01166 | 0:7bea87fe7ce1 | 80 | lcd_cmd(0x01); // Clear Display |
scb01166 | 0:7bea87fe7ce1 | 81 | wait(0.2); // need additional wait to Clear Display |
scb01166 | 0:7bea87fe7ce1 | 82 | } |
scb01166 | 0:7bea87fe7ce1 | 83 | |
scb01166 | 0:7bea87fe7ce1 | 84 | void lcd_setCursor(unsigned char x,unsigned char y) |
scb01166 | 0:7bea87fe7ce1 | 85 | { |
scb01166 | 0:7bea87fe7ce1 | 86 | lcd_cmd(0x80 | (y * 0x40 + x)); |
scb01166 | 0:7bea87fe7ce1 | 87 | } |
scb01166 | 0:7bea87fe7ce1 | 88 | |
scb01166 | 0:7bea87fe7ce1 | 89 | void setContrast(unsigned char c) |
scb01166 | 0:7bea87fe7ce1 | 90 | { |
scb01166 | 0:7bea87fe7ce1 | 91 | lcd_cmd(0x39); |
scb01166 | 0:7bea87fe7ce1 | 92 | lcd_cmd(0x70 | (c & 0x0f)); // contrast Low |
scb01166 | 0:7bea87fe7ce1 | 93 | lcd_cmd(0x5C | ((c >> 4) & 0x03)); // contast High/icon/power |
scb01166 | 0:7bea87fe7ce1 | 94 | lcd_cmd(0x38); |
scb01166 | 0:7bea87fe7ce1 | 95 | } |
scb01166 | 0:7bea87fe7ce1 | 96 | |
scb01166 | 0:7bea87fe7ce1 | 97 | float get_P() |
scb01166 | 0:7bea87fe7ce1 | 98 | { |
scb01166 | 0:7bea87fe7ce1 | 99 | float sum = 0.0f; |
scb01166 | 0:7bea87fe7ce1 | 100 | for(int i=0;i<10;i++){ |
scb01166 | 0:7bea87fe7ce1 | 101 | bmp180.startPressure(BMP180::ULTRA_LOW_POWER); |
scb01166 | 0:7bea87fe7ce1 | 102 | wait_ms(10); // Wait for conversion to complete |
scb01166 | 0:7bea87fe7ce1 | 103 | int pressure; |
scb01166 | 0:7bea87fe7ce1 | 104 | if(bmp180.getPressure(&pressure) != 0) { |
scb01166 | 0:7bea87fe7ce1 | 105 | printf("Error getting pressure\n"); |
scb01166 | 0:7bea87fe7ce1 | 106 | } |
scb01166 | 0:7bea87fe7ce1 | 107 | sum += pressure; |
scb01166 | 0:7bea87fe7ce1 | 108 | } |
scb01166 | 0:7bea87fe7ce1 | 109 | return sum/1000.0f; |
scb01166 | 0:7bea87fe7ce1 | 110 | } |
scb01166 | 0:7bea87fe7ce1 | 111 | |
scb01166 | 0:7bea87fe7ce1 | 112 | float get_T() |
scb01166 | 0:7bea87fe7ce1 | 113 | { |
scb01166 | 0:7bea87fe7ce1 | 114 | float sum = 0.0f; |
scb01166 | 0:7bea87fe7ce1 | 115 | for(int i=0;i<10;i++){ |
scb01166 | 0:7bea87fe7ce1 | 116 | bmp180.startTemperature(); |
scb01166 | 0:7bea87fe7ce1 | 117 | wait_ms(5); // Wait for conversion to complete |
scb01166 | 0:7bea87fe7ce1 | 118 | float temp; |
scb01166 | 0:7bea87fe7ce1 | 119 | if(bmp180.getTemperature(&temp) != 0) { |
scb01166 | 0:7bea87fe7ce1 | 120 | printf("Error getting temperature\n"); |
scb01166 | 0:7bea87fe7ce1 | 121 | } |
scb01166 | 0:7bea87fe7ce1 | 122 | sum += temp; |
scb01166 | 0:7bea87fe7ce1 | 123 | } |
scb01166 | 0:7bea87fe7ce1 | 124 | return sum/10.0f; |
scb01166 | 0:7bea87fe7ce1 | 125 | } |
scb01166 | 0:7bea87fe7ce1 | 126 | |
scb01166 | 0:7bea87fe7ce1 | 127 | |
scb01166 | 0:7bea87fe7ce1 | 128 | int main() |
scb01166 | 0:7bea87fe7ce1 | 129 | { |
scb01166 | 0:7bea87fe7ce1 | 130 | ssd1306_init(); |
scb01166 | 0:7bea87fe7ce1 | 131 | ssd1306_init_meter_display(); |
scb01166 | 0:7bea87fe7ce1 | 132 | button.mode(PullUp); |
scb01166 | 0:7bea87fe7ce1 | 133 | while(1) { |
scb01166 | 0:7bea87fe7ce1 | 134 | if (bmp180.init() != 0) { |
scb01166 | 0:7bea87fe7ce1 | 135 | printf("Error communicating with BMP180\n"); |
scb01166 | 0:7bea87fe7ce1 | 136 | } else { |
scb01166 | 0:7bea87fe7ce1 | 137 | printf("Initialized BMP180\n"); |
scb01166 | 0:7bea87fe7ce1 | 138 | break; |
scb01166 | 0:7bea87fe7ce1 | 139 | } |
scb01166 | 0:7bea87fe7ce1 | 140 | wait(1); |
scb01166 | 0:7bea87fe7ce1 | 141 | } |
scb01166 | 0:7bea87fe7ce1 | 142 | |
scb01166 | 0:7bea87fe7ce1 | 143 | char buf[64] = {}; |
scb01166 | 0:7bea87fe7ce1 | 144 | int buf_count = 0; |
scb01166 | 0:7bea87fe7ce1 | 145 | float pressure, temp, ground_P, ground_T, height; |
scb01166 | 0:7bea87fe7ce1 | 146 | bool init = false; |
scb01166 | 0:7bea87fe7ce1 | 147 | char str_lcd[15]; |
scb01166 | 0:7bea87fe7ce1 | 148 | char strtmp[15]; |
scb01166 | 0:7bea87fe7ce1 | 149 | int n; |
scb01166 | 0:7bea87fe7ce1 | 150 | lcd_init(); |
scb01166 | 0:7bea87fe7ce1 | 151 | lcd_setCursor(0,0); |
scb01166 | 0:7bea87fe7ce1 | 152 | lcd_printStr("Hello"); |
scb01166 | 0:7bea87fe7ce1 | 153 | lcd_setCursor(3,1); |
scb01166 | 0:7bea87fe7ce1 | 154 | lcd_printStr("SSSRC"); |
scb01166 | 0:7bea87fe7ce1 | 155 | contrast = 35; |
scb01166 | 0:7bea87fe7ce1 | 156 | setContrast(contrast); |
scb01166 | 0:7bea87fe7ce1 | 157 | while(1) { |
scb01166 | 0:7bea87fe7ce1 | 158 | int timer = 0; |
scb01166 | 0:7bea87fe7ce1 | 159 | int bb = button; |
scb01166 | 2:76f6a32f9404 | 160 | bool deploy = false; |
scb01166 | 0:7bea87fe7ce1 | 161 | while(!bb){ |
scb01166 | 2:76f6a32f9404 | 162 | deploy = true; |
scb01166 | 0:7bea87fe7ce1 | 163 | led_button = 1; |
scb01166 | 0:7bea87fe7ce1 | 164 | if(timer == 0){ |
scb01166 | 0:7bea87fe7ce1 | 165 | lcd_setCursor(0,0); |
scb01166 | 0:7bea87fe7ce1 | 166 | lcd_printStr("55555555"); |
scb01166 | 0:7bea87fe7ce1 | 167 | lcd_setCursor(0,1); |
scb01166 | 0:7bea87fe7ce1 | 168 | lcd_printStr("55555555"); |
scb01166 | 0:7bea87fe7ce1 | 169 | contrast = 35; |
scb01166 | 0:7bea87fe7ce1 | 170 | }else if(timer == 10){ |
scb01166 | 0:7bea87fe7ce1 | 171 | lcd_setCursor(0,0); |
scb01166 | 0:7bea87fe7ce1 | 172 | lcd_printStr("44444444"); |
scb01166 | 0:7bea87fe7ce1 | 173 | lcd_setCursor(0,1); |
scb01166 | 0:7bea87fe7ce1 | 174 | lcd_printStr("44444444"); |
scb01166 | 0:7bea87fe7ce1 | 175 | contrast = 35; |
scb01166 | 0:7bea87fe7ce1 | 176 | }else if(timer == 20){ |
scb01166 | 0:7bea87fe7ce1 | 177 | lcd_setCursor(0,0); |
scb01166 | 0:7bea87fe7ce1 | 178 | lcd_printStr("33333333"); |
scb01166 | 0:7bea87fe7ce1 | 179 | lcd_setCursor(0,1); |
scb01166 | 0:7bea87fe7ce1 | 180 | lcd_printStr("33333333"); |
scb01166 | 0:7bea87fe7ce1 | 181 | contrast = 35; |
scb01166 | 0:7bea87fe7ce1 | 182 | }else if(timer == 30){ |
scb01166 | 0:7bea87fe7ce1 | 183 | lcd_setCursor(0,0); |
scb01166 | 0:7bea87fe7ce1 | 184 | lcd_printStr("22222222"); |
scb01166 | 0:7bea87fe7ce1 | 185 | lcd_setCursor(0,1); |
scb01166 | 0:7bea87fe7ce1 | 186 | lcd_printStr("22222222"); |
scb01166 | 0:7bea87fe7ce1 | 187 | contrast = 35; |
scb01166 | 0:7bea87fe7ce1 | 188 | }else if(timer == 40){ |
scb01166 | 0:7bea87fe7ce1 | 189 | lcd_setCursor(0,0); |
scb01166 | 0:7bea87fe7ce1 | 190 | lcd_printStr("11111111"); |
scb01166 | 0:7bea87fe7ce1 | 191 | lcd_setCursor(0,1); |
scb01166 | 0:7bea87fe7ce1 | 192 | lcd_printStr("11111111"); |
scb01166 | 0:7bea87fe7ce1 | 193 | contrast = 35; |
scb01166 | 0:7bea87fe7ce1 | 194 | }else if(timer>=50){ |
scb01166 | 0:7bea87fe7ce1 | 195 | xbee.printf("O"); |
scb01166 | 0:7bea87fe7ce1 | 196 | lcd_setCursor(0,0); |
scb01166 | 0:7bea87fe7ce1 | 197 | lcd_printStr("CanSat "); |
scb01166 | 0:7bea87fe7ce1 | 198 | lcd_setCursor(0,1); |
scb01166 | 0:7bea87fe7ce1 | 199 | lcd_printStr(" Deploy!"); |
scb01166 | 0:7bea87fe7ce1 | 200 | contrast = 35; |
scb01166 | 0:7bea87fe7ce1 | 201 | } |
scb01166 | 0:7bea87fe7ce1 | 202 | wait(0.1); |
scb01166 | 0:7bea87fe7ce1 | 203 | timer++; |
scb01166 | 0:7bea87fe7ce1 | 204 | bb = button; |
scb01166 | 0:7bea87fe7ce1 | 205 | } |
scb01166 | 2:76f6a32f9404 | 206 | if(deploy){ |
scb01166 | 2:76f6a32f9404 | 207 | lcd_setCursor(0,0); |
scb01166 | 2:76f6a32f9404 | 208 | lcd_printStr(" "); |
scb01166 | 2:76f6a32f9404 | 209 | lcd_setCursor(0,1); |
scb01166 | 2:76f6a32f9404 | 210 | lcd_printStr(" "); |
scb01166 | 2:76f6a32f9404 | 211 | contrast = 35; |
scb01166 | 2:76f6a32f9404 | 212 | } |
scb01166 | 0:7bea87fe7ce1 | 213 | led_button = 0; |
scb01166 | 0:7bea87fe7ce1 | 214 | //buf[0] = '0'; |
scb01166 | 3:52396b1b5867 | 215 | int nosignal = 0; |
scb01166 | 3:52396b1b5867 | 216 | bool push = false; |
scb01166 | 0:7bea87fe7ce1 | 217 | while(xbee.readable()==0) { |
scb01166 | 0:7bea87fe7ce1 | 218 | xbee.printf("G"); |
scb01166 | 3:52396b1b5867 | 219 | nosignal++; |
scb01166 | 3:52396b1b5867 | 220 | bb = button; |
scb01166 | 3:52396b1b5867 | 221 | if(nosignal == 5000){ |
scb01166 | 3:52396b1b5867 | 222 | lcd_setCursor(0,0); |
scb01166 | 3:52396b1b5867 | 223 | lcd_printStr("NoSignal"); |
scb01166 | 3:52396b1b5867 | 224 | lcd_setCursor(0,1); |
scb01166 | 3:52396b1b5867 | 225 | lcd_printStr(" "); |
scb01166 | 3:52396b1b5867 | 226 | contrast = 35; |
scb01166 | 3:52396b1b5867 | 227 | }else if(!bb && nosignal<5000){ |
scb01166 | 3:52396b1b5867 | 228 | push = true; |
scb01166 | 3:52396b1b5867 | 229 | break; |
scb01166 | 3:52396b1b5867 | 230 | } |
scb01166 | 3:52396b1b5867 | 231 | } |
scb01166 | 3:52396b1b5867 | 232 | if(push){ |
scb01166 | 3:52396b1b5867 | 233 | printf("1"); |
scb01166 | 3:52396b1b5867 | 234 | continue; |
scb01166 | 0:7bea87fe7ce1 | 235 | } |
scb01166 | 0:7bea87fe7ce1 | 236 | while(1) { |
scb01166 | 0:7bea87fe7ce1 | 237 | int c = xbee.getc(); |
scb01166 | 0:7bea87fe7ce1 | 238 | //printf("%c",c); |
scb01166 | 0:7bea87fe7ce1 | 239 | if(buf_count == 0 && c != 'P') { |
scb01166 | 0:7bea87fe7ce1 | 240 | continue; |
scb01166 | 0:7bea87fe7ce1 | 241 | } |
scb01166 | 0:7bea87fe7ce1 | 242 | buf[buf_count] = c; |
scb01166 | 0:7bea87fe7ce1 | 243 | buf_count++; |
scb01166 | 0:7bea87fe7ce1 | 244 | if(c == '\n') { |
scb01166 | 0:7bea87fe7ce1 | 245 | buf[buf_count] = '\0'; |
scb01166 | 0:7bea87fe7ce1 | 246 | printf("buf:%s\r\n",buf); |
scb01166 | 0:7bea87fe7ce1 | 247 | sscanf(buf,"PP%fT%f\n", &pressure, &temp); |
scb01166 | 0:7bea87fe7ce1 | 248 | pressure += 1.77f; |
scb01166 | 0:7bea87fe7ce1 | 249 | buf_count = 0; |
scb01166 | 3:52396b1b5867 | 250 | while(xbee.readable()==1) { |
scb01166 | 3:52396b1b5867 | 251 | c = xbee.getc(); |
scb01166 | 3:52396b1b5867 | 252 | } |
scb01166 | 3:52396b1b5867 | 253 | push = false; |
scb01166 | 1:3d4042d58038 | 254 | for(int i=0;i<8;i++){ |
scb01166 | 0:7bea87fe7ce1 | 255 | bb = button; |
scb01166 | 0:7bea87fe7ce1 | 256 | if(!bb){ |
scb01166 | 0:7bea87fe7ce1 | 257 | led_button = 1; |
scb01166 | 0:7bea87fe7ce1 | 258 | push = true; |
scb01166 | 0:7bea87fe7ce1 | 259 | break; |
scb01166 | 0:7bea87fe7ce1 | 260 | } |
scb01166 | 0:7bea87fe7ce1 | 261 | wait(0.1); |
scb01166 | 0:7bea87fe7ce1 | 262 | } |
scb01166 | 3:52396b1b5867 | 263 | if(push){ |
scb01166 | 3:52396b1b5867 | 264 | printf("2"); |
scb01166 | 3:52396b1b5867 | 265 | break; |
scb01166 | 3:52396b1b5867 | 266 | } |
scb01166 | 0:7bea87fe7ce1 | 267 | led = 1; |
scb01166 | 0:7bea87fe7ce1 | 268 | for(int i=0;i<2;i++){ |
scb01166 | 0:7bea87fe7ce1 | 269 | bb = button; |
scb01166 | 0:7bea87fe7ce1 | 270 | if(!bb){ |
scb01166 | 0:7bea87fe7ce1 | 271 | led_button = 1; |
scb01166 | 0:7bea87fe7ce1 | 272 | push = true; |
scb01166 | 0:7bea87fe7ce1 | 273 | break; |
scb01166 | 0:7bea87fe7ce1 | 274 | } |
scb01166 | 0:7bea87fe7ce1 | 275 | wait(0.1); |
scb01166 | 1:3d4042d58038 | 276 | led = !led; |
scb01166 | 0:7bea87fe7ce1 | 277 | } |
scb01166 | 1:3d4042d58038 | 278 | led = 0; |
scb01166 | 3:52396b1b5867 | 279 | if(push){ |
scb01166 | 3:52396b1b5867 | 280 | printf("3"); |
scb01166 | 3:52396b1b5867 | 281 | break; |
scb01166 | 3:52396b1b5867 | 282 | } |
scb01166 | 0:7bea87fe7ce1 | 283 | ground_P = get_P(); |
scb01166 | 0:7bea87fe7ce1 | 284 | ground_T = get_T(); |
scb01166 | 0:7bea87fe7ce1 | 285 | //height = ( pow(ground_P/pressure, 1/5.257f)-1 )*(temp+273.15f)/0.0065f; |
scb01166 | 0:7bea87fe7ce1 | 286 | height = 290*((temp+ground_T)/2+273.15f)/9.80665f*log(ground_P/pressure); |
scb01166 | 0:7bea87fe7ce1 | 287 | if(init) { |
scb01166 | 0:7bea87fe7ce1 | 288 | printf("P0=%f P=%f T=%f B-G=%f\r\n--------------------\r\n",ground_P,pressure,temp,pressure-ground_P); |
scb01166 | 0:7bea87fe7ce1 | 289 | if(height<-100 or height>1000) continue; |
scb01166 | 0:7bea87fe7ce1 | 290 | if(pressure-ground_P>0) height=0.0; |
scb01166 | 0:7bea87fe7ce1 | 291 | sprintf(str_lcd,"%.1fhPa",ground_P-pressure); |
scb01166 | 0:7bea87fe7ce1 | 292 | n=8-strlen(str_lcd); |
scb01166 | 0:7bea87fe7ce1 | 293 | for(int i=0; i<n; i++) { |
scb01166 | 0:7bea87fe7ce1 | 294 | sprintf(strtmp," %s",str_lcd); |
scb01166 | 0:7bea87fe7ce1 | 295 | sprintf(str_lcd,"%s",strtmp); |
scb01166 | 0:7bea87fe7ce1 | 296 | } |
scb01166 | 0:7bea87fe7ce1 | 297 | lcd_setCursor(0,0); |
scb01166 | 0:7bea87fe7ce1 | 298 | lcd_printStr(str_lcd); |
scb01166 | 0:7bea87fe7ce1 | 299 | printf("%s\r\n",str_lcd); |
scb01166 | 0:7bea87fe7ce1 | 300 | |
scb01166 | 0:7bea87fe7ce1 | 301 | sprintf(str_lcd,"%.1f""\xf2""C",ground_T); |
scb01166 | 0:7bea87fe7ce1 | 302 | n=8-strlen(str_lcd); |
scb01166 | 0:7bea87fe7ce1 | 303 | for(int i=0; i<n; i++) { |
scb01166 | 0:7bea87fe7ce1 | 304 | sprintf(strtmp," %s",str_lcd); |
scb01166 | 0:7bea87fe7ce1 | 305 | sprintf(str_lcd,"%s",strtmp); |
scb01166 | 0:7bea87fe7ce1 | 306 | } |
scb01166 | 0:7bea87fe7ce1 | 307 | |
scb01166 | 0:7bea87fe7ce1 | 308 | lcd_setCursor(0,1); |
scb01166 | 0:7bea87fe7ce1 | 309 | lcd_printStr(str_lcd); |
scb01166 | 0:7bea87fe7ce1 | 310 | contrast = 35; |
scb01166 | 0:7bea87fe7ce1 | 311 | setContrast(contrast); |
scb01166 | 0:7bea87fe7ce1 | 312 | printf("%s\r\n\r\n",str_lcd); |
scb01166 | 0:7bea87fe7ce1 | 313 | printf("height=%f m\r\n",height); |
scb01166 | 0:7bea87fe7ce1 | 314 | ssd1306_draw_meter( (int)height ); |
scb01166 | 0:7bea87fe7ce1 | 315 | } |
scb01166 | 0:7bea87fe7ce1 | 316 | init = true; |
scb01166 | 0:7bea87fe7ce1 | 317 | printf("P0=%f P=%f T=%f B-G=%f\r\n--------------------\r\n",ground_P,pressure,temp,pressure-ground_P); |
scb01166 | 0:7bea87fe7ce1 | 318 | } |
scb01166 | 0:7bea87fe7ce1 | 319 | break; |
scb01166 | 0:7bea87fe7ce1 | 320 | } |
scb01166 | 0:7bea87fe7ce1 | 321 | } |
scb01166 | 0:7bea87fe7ce1 | 322 | } |