Tests the motor
Dependencies: btbee
Fork of m3pi_ng by
m3pi_ng.cpp@12:78fd82b3fb09, 2013-10-15 (annotated)
- Committer:
- ngoldin
- Date:
- Tue Oct 15 12:49:35 2013 +0000
- Revision:
- 12:78fd82b3fb09
- Parent:
- 11:7bfb33432791
Switched left_motor and right_motor. Was the wrong way around before.
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
ngoldin | 9:deb9547909c3 | 1 | /* m3pi Library |
ngoldin | 9:deb9547909c3 | 2 | * |
ngoldin | 9:deb9547909c3 | 3 | * Copyright (c) 2007-2010 cstyles |
ngoldin | 9:deb9547909c3 | 4 | * |
ngoldin | 9:deb9547909c3 | 5 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
ngoldin | 9:deb9547909c3 | 6 | * of this software and associated documentation files (the "Software"), to deal |
ngoldin | 9:deb9547909c3 | 7 | * in the Software without restriction, including without limitation the rights |
ngoldin | 9:deb9547909c3 | 8 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
ngoldin | 9:deb9547909c3 | 9 | * copies of the Software, and to permit persons to whom the Software is |
ngoldin | 9:deb9547909c3 | 10 | * furnished to do so, subject to the following conditions: |
ngoldin | 9:deb9547909c3 | 11 | * |
ngoldin | 9:deb9547909c3 | 12 | * The above copyright notice and this permission notice shall be included in |
ngoldin | 9:deb9547909c3 | 13 | * all copies or substantial portions of the Software. |
ngoldin | 9:deb9547909c3 | 14 | * |
ngoldin | 9:deb9547909c3 | 15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
ngoldin | 9:deb9547909c3 | 16 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
ngoldin | 9:deb9547909c3 | 17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
ngoldin | 9:deb9547909c3 | 18 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
ngoldin | 9:deb9547909c3 | 19 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
ngoldin | 9:deb9547909c3 | 20 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
ngoldin | 9:deb9547909c3 | 21 | * THE SOFTWARE. |
ngoldin | 9:deb9547909c3 | 22 | * |
ngoldin | 9:deb9547909c3 | 23 | * This is a modified version of the library. Modifications by ngoldin, 2013 |
ngoldin | 9:deb9547909c3 | 24 | * |
ngoldin | 9:deb9547909c3 | 25 | */ |
ngoldin | 9:deb9547909c3 | 26 | |
ngoldin | 9:deb9547909c3 | 27 | #include "mbed.h" |
ngoldin | 9:deb9547909c3 | 28 | #include "m3pi_ng.h" |
ngoldin | 9:deb9547909c3 | 29 | |
ngoldin | 9:deb9547909c3 | 30 | m3pi::m3pi(PinName nrst, PinName tx, PinName rx) : Stream("m3pi"), _nrst(nrst), _ser(tx, rx) { |
ngoldin | 9:deb9547909c3 | 31 | _ser.baud(115200); |
ngoldin | 9:deb9547909c3 | 32 | reset(); |
ngoldin | 9:deb9547909c3 | 33 | } |
ngoldin | 9:deb9547909c3 | 34 | |
ngoldin | 9:deb9547909c3 | 35 | m3pi::m3pi() : Stream("m3pi"), _nrst(p23), _ser(p9, p10) { |
ngoldin | 9:deb9547909c3 | 36 | _ser.baud(115200); |
ngoldin | 9:deb9547909c3 | 37 | reset(); |
ngoldin | 9:deb9547909c3 | 38 | } |
ngoldin | 9:deb9547909c3 | 39 | |
ngoldin | 9:deb9547909c3 | 40 | |
ngoldin | 10:f89d2a3a9ed2 | 41 | void m3pi::signature (char * sig) { |
ngoldin | 9:deb9547909c3 | 42 | _ser.putc(SEND_SIGNATURE); |
ngoldin | 9:deb9547909c3 | 43 | for (int i=0; i<6;i++){ |
ngoldin | 9:deb9547909c3 | 44 | sig[i]=_ser.getc(); |
ngoldin | 9:deb9547909c3 | 45 | } |
ngoldin | 9:deb9547909c3 | 46 | } |
ngoldin | 9:deb9547909c3 | 47 | |
ngoldin | 10:f89d2a3a9ed2 | 48 | void m3pi::raw_sensor (int * raw) { |
ngoldin | 9:deb9547909c3 | 49 | _ser.putc(SEND_RAW_SENSOR_VALUES); |
ngoldin | 9:deb9547909c3 | 50 | for (int i=0; i<5; i++){ |
ngoldin | 9:deb9547909c3 | 51 | char lowbyte = _ser.getc(); |
ngoldin | 9:deb9547909c3 | 52 | char hibyte = _ser.getc(); |
ngoldin | 9:deb9547909c3 | 53 | int s = (lowbyte + (hibyte << 8)); |
ngoldin | 9:deb9547909c3 | 54 | raw[i] = s; |
ngoldin | 9:deb9547909c3 | 55 | } |
ngoldin | 9:deb9547909c3 | 56 | } |
ngoldin | 9:deb9547909c3 | 57 | |
ngoldin | 10:f89d2a3a9ed2 | 58 | void m3pi::calibrated_sensor (int * cal) { |
ngoldin | 9:deb9547909c3 | 59 | _ser.putc(SEND_CALIBRATED_SENSOR_VALUES); |
ngoldin | 9:deb9547909c3 | 60 | for (int i=0; i<5; i++){ |
ngoldin | 9:deb9547909c3 | 61 | char lowbyte = _ser.getc(); |
ngoldin | 9:deb9547909c3 | 62 | char hibyte = _ser.getc(); |
ngoldin | 9:deb9547909c3 | 63 | int s = (lowbyte + (hibyte << 8)); |
ngoldin | 9:deb9547909c3 | 64 | cal[i] = s; |
ngoldin | 9:deb9547909c3 | 65 | } |
ngoldin | 9:deb9547909c3 | 66 | } |
ngoldin | 9:deb9547909c3 | 67 | |
ngoldin | 9:deb9547909c3 | 68 | void m3pi::playtune (char* text, int length) { |
ngoldin | 9:deb9547909c3 | 69 | _ser.putc(DO_PLAY); |
ngoldin | 9:deb9547909c3 | 70 | _ser.putc(length); |
ngoldin | 9:deb9547909c3 | 71 | for (int i = 0 ; i < length ; i++) { |
ngoldin | 9:deb9547909c3 | 72 | _ser.putc(text[i]); |
ngoldin | 9:deb9547909c3 | 73 | } |
ngoldin | 9:deb9547909c3 | 74 | } |
ngoldin | 9:deb9547909c3 | 75 | |
ngoldin | 11:7bfb33432791 | 76 | void m3pi::slowstop (float speed, float waittime, int steps) { |
ngoldin | 11:7bfb33432791 | 77 | for (int i=2; i<steps ; i++) |
ngoldin | 11:7bfb33432791 | 78 | { |
ngoldin | 11:7bfb33432791 | 79 | float slowed; |
ngoldin | 11:7bfb33432791 | 80 | slowed=speed*float(steps-i)/float(steps); |
ngoldin | 11:7bfb33432791 | 81 | motor(0,slowed); |
ngoldin | 11:7bfb33432791 | 82 | motor(1,slowed); |
ngoldin | 11:7bfb33432791 | 83 | wait(waittime); |
ngoldin | 11:7bfb33432791 | 84 | } |
ngoldin | 11:7bfb33432791 | 85 | motor(0,0); |
ngoldin | 11:7bfb33432791 | 86 | motor(1,0); |
ngoldin | 11:7bfb33432791 | 87 | } |
ngoldin | 11:7bfb33432791 | 88 | |
ngoldin | 9:deb9547909c3 | 89 | void m3pi::reset () { |
ngoldin | 9:deb9547909c3 | 90 | _nrst = 0; |
ngoldin | 9:deb9547909c3 | 91 | wait (0.01); |
ngoldin | 9:deb9547909c3 | 92 | _nrst = 1; |
ngoldin | 9:deb9547909c3 | 93 | wait (0.1); |
ngoldin | 9:deb9547909c3 | 94 | } |
ngoldin | 9:deb9547909c3 | 95 | |
ngoldin | 9:deb9547909c3 | 96 | void m3pi::left_motor (float speed) { |
ngoldin | 12:78fd82b3fb09 | 97 | motor(1,speed); |
ngoldin | 9:deb9547909c3 | 98 | } |
ngoldin | 9:deb9547909c3 | 99 | |
ngoldin | 9:deb9547909c3 | 100 | void m3pi::right_motor (float speed) { |
ngoldin | 12:78fd82b3fb09 | 101 | motor(0,speed); |
ngoldin | 9:deb9547909c3 | 102 | } |
ngoldin | 9:deb9547909c3 | 103 | |
ngoldin | 9:deb9547909c3 | 104 | void m3pi::forward (float speed) { |
ngoldin | 9:deb9547909c3 | 105 | motor(0,speed); |
ngoldin | 9:deb9547909c3 | 106 | motor(1,speed); |
ngoldin | 9:deb9547909c3 | 107 | } |
ngoldin | 9:deb9547909c3 | 108 | |
ngoldin | 9:deb9547909c3 | 109 | void m3pi::backward (float speed) { |
ngoldin | 9:deb9547909c3 | 110 | motor(0,-1.0*speed); |
ngoldin | 9:deb9547909c3 | 111 | motor(1,-1.0*speed); |
ngoldin | 9:deb9547909c3 | 112 | } |
ngoldin | 9:deb9547909c3 | 113 | |
ngoldin | 9:deb9547909c3 | 114 | void m3pi::left (float speed) { |
ngoldin | 9:deb9547909c3 | 115 | motor(0,speed); |
ngoldin | 9:deb9547909c3 | 116 | motor(1,-1.0*speed); |
ngoldin | 9:deb9547909c3 | 117 | } |
ngoldin | 9:deb9547909c3 | 118 | |
ngoldin | 9:deb9547909c3 | 119 | void m3pi::right (float speed) { |
ngoldin | 9:deb9547909c3 | 120 | motor(0,-1.0*speed); |
ngoldin | 9:deb9547909c3 | 121 | motor(1,speed); |
ngoldin | 9:deb9547909c3 | 122 | } |
ngoldin | 9:deb9547909c3 | 123 | |
ngoldin | 9:deb9547909c3 | 124 | void m3pi::stop (void) { |
ngoldin | 9:deb9547909c3 | 125 | motor(0,0.0); |
ngoldin | 9:deb9547909c3 | 126 | motor(1,0.0); |
ngoldin | 9:deb9547909c3 | 127 | } |
ngoldin | 9:deb9547909c3 | 128 | |
ngoldin | 9:deb9547909c3 | 129 | void m3pi::motor (int motor, float speed) { |
ngoldin | 9:deb9547909c3 | 130 | char opcode = 0x0; |
ngoldin | 9:deb9547909c3 | 131 | if (speed > 0.0) { |
ngoldin | 9:deb9547909c3 | 132 | if (motor==1) |
ngoldin | 9:deb9547909c3 | 133 | opcode = M1_FORWARD; |
ngoldin | 9:deb9547909c3 | 134 | else |
ngoldin | 9:deb9547909c3 | 135 | opcode = M2_FORWARD; |
ngoldin | 9:deb9547909c3 | 136 | } else { |
ngoldin | 9:deb9547909c3 | 137 | if (motor==1) |
ngoldin | 9:deb9547909c3 | 138 | opcode = M1_BACKWARD; |
ngoldin | 9:deb9547909c3 | 139 | else |
ngoldin | 9:deb9547909c3 | 140 | opcode = M2_BACKWARD; |
ngoldin | 9:deb9547909c3 | 141 | } |
ngoldin | 9:deb9547909c3 | 142 | unsigned char arg = 0x7f * fabs(speed); |
ngoldin | 9:deb9547909c3 | 143 | |
ngoldin | 9:deb9547909c3 | 144 | _ser.putc(opcode); |
ngoldin | 9:deb9547909c3 | 145 | _ser.putc(arg); |
ngoldin | 9:deb9547909c3 | 146 | } |
ngoldin | 9:deb9547909c3 | 147 | |
ngoldin | 9:deb9547909c3 | 148 | float m3pi::battery() { |
ngoldin | 9:deb9547909c3 | 149 | _ser.putc(SEND_BATTERY_MILLIVOLTS); |
ngoldin | 9:deb9547909c3 | 150 | char lowbyte = _ser.getc(); |
ngoldin | 9:deb9547909c3 | 151 | char hibyte = _ser.getc(); |
ngoldin | 9:deb9547909c3 | 152 | float v = ((lowbyte + (hibyte << 8))/1000.0); |
ngoldin | 9:deb9547909c3 | 153 | return(v); |
ngoldin | 9:deb9547909c3 | 154 | } |
ngoldin | 9:deb9547909c3 | 155 | |
ngoldin | 9:deb9547909c3 | 156 | float m3pi::line_position() { |
ngoldin | 9:deb9547909c3 | 157 | int pos = 0; |
ngoldin | 9:deb9547909c3 | 158 | _ser.putc(SEND_LINE_POSITION); |
ngoldin | 9:deb9547909c3 | 159 | pos = _ser.getc(); |
ngoldin | 9:deb9547909c3 | 160 | pos += _ser.getc() << 8; |
ngoldin | 9:deb9547909c3 | 161 | |
ngoldin | 9:deb9547909c3 | 162 | float fpos = ((float)pos - 2048.0)/2048.0; |
ngoldin | 9:deb9547909c3 | 163 | return(fpos); |
ngoldin | 9:deb9547909c3 | 164 | } |
ngoldin | 9:deb9547909c3 | 165 | |
ngoldin | 9:deb9547909c3 | 166 | char m3pi::sensor_auto_calibrate() { |
ngoldin | 9:deb9547909c3 | 167 | _ser.putc(AUTO_CALIBRATE); |
ngoldin | 9:deb9547909c3 | 168 | return(_ser.getc()); |
ngoldin | 9:deb9547909c3 | 169 | } |
ngoldin | 9:deb9547909c3 | 170 | |
ngoldin | 9:deb9547909c3 | 171 | |
ngoldin | 9:deb9547909c3 | 172 | void m3pi::calibrate(void) { |
ngoldin | 9:deb9547909c3 | 173 | _ser.putc(PI_CALIBRATE); |
ngoldin | 9:deb9547909c3 | 174 | } |
ngoldin | 9:deb9547909c3 | 175 | |
ngoldin | 9:deb9547909c3 | 176 | void m3pi::reset_calibration() { |
ngoldin | 9:deb9547909c3 | 177 | _ser.putc(LINE_SENSORS_RESET_CALIBRATION); |
ngoldin | 9:deb9547909c3 | 178 | } |
ngoldin | 9:deb9547909c3 | 179 | |
ngoldin | 9:deb9547909c3 | 180 | void m3pi::PID_start(int max_speed, int a, int b, int c, int d) { |
ngoldin | 9:deb9547909c3 | 181 | _ser.putc(max_speed); |
ngoldin | 9:deb9547909c3 | 182 | _ser.putc(a); |
ngoldin | 9:deb9547909c3 | 183 | _ser.putc(b); |
ngoldin | 9:deb9547909c3 | 184 | _ser.putc(c); |
ngoldin | 9:deb9547909c3 | 185 | _ser.putc(d); |
ngoldin | 9:deb9547909c3 | 186 | } |
ngoldin | 9:deb9547909c3 | 187 | |
ngoldin | 9:deb9547909c3 | 188 | void m3pi::PID_stop() { |
ngoldin | 9:deb9547909c3 | 189 | _ser.putc(STOP_PID); |
ngoldin | 9:deb9547909c3 | 190 | } |
ngoldin | 9:deb9547909c3 | 191 | |
ngoldin | 9:deb9547909c3 | 192 | float m3pi::pot_voltage(void) { |
ngoldin | 9:deb9547909c3 | 193 | int volt = 0; |
ngoldin | 9:deb9547909c3 | 194 | _ser.putc(SEND_TRIMPOT); |
ngoldin | 9:deb9547909c3 | 195 | volt = _ser.getc(); |
ngoldin | 9:deb9547909c3 | 196 | volt += _ser.getc() << 8; |
ngoldin | 9:deb9547909c3 | 197 | return(volt); |
ngoldin | 9:deb9547909c3 | 198 | } |
ngoldin | 9:deb9547909c3 | 199 | |
ngoldin | 9:deb9547909c3 | 200 | |
ngoldin | 9:deb9547909c3 | 201 | void m3pi::leds(int val) { |
ngoldin | 9:deb9547909c3 | 202 | |
ngoldin | 9:deb9547909c3 | 203 | BusOut _leds(p20,p19,p18,p17,p16,p15,p14,p13); |
ngoldin | 9:deb9547909c3 | 204 | _leds = val; |
ngoldin | 9:deb9547909c3 | 205 | } |
ngoldin | 9:deb9547909c3 | 206 | |
ngoldin | 9:deb9547909c3 | 207 | |
ngoldin | 9:deb9547909c3 | 208 | void m3pi::locate(int x, int y) { |
ngoldin | 9:deb9547909c3 | 209 | _ser.putc(DO_LCD_GOTO_XY); |
ngoldin | 9:deb9547909c3 | 210 | _ser.putc(x); |
ngoldin | 9:deb9547909c3 | 211 | _ser.putc(y); |
ngoldin | 9:deb9547909c3 | 212 | } |
ngoldin | 9:deb9547909c3 | 213 | |
ngoldin | 9:deb9547909c3 | 214 | void m3pi::cls(void) { |
ngoldin | 9:deb9547909c3 | 215 | _ser.putc(DO_CLEAR); |
ngoldin | 9:deb9547909c3 | 216 | } |
ngoldin | 9:deb9547909c3 | 217 | |
ngoldin | 9:deb9547909c3 | 218 | int m3pi::print (char* text, int length) { |
ngoldin | 9:deb9547909c3 | 219 | _ser.putc(DO_PRINT); |
ngoldin | 9:deb9547909c3 | 220 | _ser.putc(length); |
ngoldin | 9:deb9547909c3 | 221 | for (int i = 0 ; i < length ; i++) { |
ngoldin | 9:deb9547909c3 | 222 | _ser.putc(text[i]); |
ngoldin | 9:deb9547909c3 | 223 | } |
ngoldin | 9:deb9547909c3 | 224 | return(0); |
ngoldin | 9:deb9547909c3 | 225 | } |
ngoldin | 9:deb9547909c3 | 226 | |
ngoldin | 9:deb9547909c3 | 227 | int m3pi::_putc (int c) { |
ngoldin | 9:deb9547909c3 | 228 | _ser.putc(DO_PRINT); |
ngoldin | 9:deb9547909c3 | 229 | _ser.putc(0x1); |
ngoldin | 9:deb9547909c3 | 230 | _ser.putc(c); |
ngoldin | 9:deb9547909c3 | 231 | wait (0.001); |
ngoldin | 9:deb9547909c3 | 232 | return(c); |
ngoldin | 9:deb9547909c3 | 233 | } |
ngoldin | 9:deb9547909c3 | 234 | |
ngoldin | 9:deb9547909c3 | 235 | int m3pi::_getc (void) { |
ngoldin | 9:deb9547909c3 | 236 | char r = 0; |
ngoldin | 9:deb9547909c3 | 237 | return(r); |
ngoldin | 9:deb9547909c3 | 238 | } |
ngoldin | 9:deb9547909c3 | 239 | |
ngoldin | 9:deb9547909c3 | 240 | int m3pi::putc (int c) { |
ngoldin | 9:deb9547909c3 | 241 | return(_ser.putc(c)); |
ngoldin | 9:deb9547909c3 | 242 | } |
ngoldin | 9:deb9547909c3 | 243 | |
ngoldin | 9:deb9547909c3 | 244 | int m3pi::getc (void) { |
ngoldin | 9:deb9547909c3 | 245 | return(_ser.getc()); |
ngoldin | 9:deb9547909c3 | 246 | } |
ngoldin | 9:deb9547909c3 | 247 | |
ngoldin | 9:deb9547909c3 | 248 | |
ngoldin | 9:deb9547909c3 | 249 | |
ngoldin | 9:deb9547909c3 | 250 | |
ngoldin | 9:deb9547909c3 | 251 | |
ngoldin | 9:deb9547909c3 | 252 | #ifdef MBED_RPC |
ngoldin | 9:deb9547909c3 | 253 | const rpc_method *m3pi::get_rpc_methods() { |
ngoldin | 9:deb9547909c3 | 254 | static const rpc_method rpc_methods[] = {{ "forward", rpc_method_caller<m3pi, float, &m3pi::forward> }, |
ngoldin | 9:deb9547909c3 | 255 | { "backward", rpc_method_caller<m3pi, float, &m3pi::backward> }, |
ngoldin | 9:deb9547909c3 | 256 | { "left", rpc_method_caller<m3pi, float, &m3pi::left> }, |
ngoldin | 9:deb9547909c3 | 257 | { "right", rpc_method_caller<m3pi, float, &m3pi::right> }, |
ngoldin | 9:deb9547909c3 | 258 | { "stop", rpc_method_caller<m3pi, &m3pi::stop> }, |
ngoldin | 9:deb9547909c3 | 259 | { "left_motor", rpc_method_caller<m3pi, float, &m3pi::left_motor> }, |
ngoldin | 9:deb9547909c3 | 260 | { "right_motor", rpc_method_caller<m3pi, float, &m3pi::right_motor> }, |
ngoldin | 9:deb9547909c3 | 261 | { "battery", rpc_method_caller<float, m3pi, &m3pi::battery> }, |
ngoldin | 9:deb9547909c3 | 262 | { "line_position", rpc_method_caller<float, m3pi, &m3pi::line_position> }, |
ngoldin | 9:deb9547909c3 | 263 | { "sensor_auto_calibrate", rpc_method_caller<char, m3pi, &m3pi::sensor_auto_calibrate> }, |
ngoldin | 9:deb9547909c3 | 264 | |
ngoldin | 9:deb9547909c3 | 265 | |
ngoldin | 9:deb9547909c3 | 266 | RPC_METHOD_SUPER(Base) |
ngoldin | 9:deb9547909c3 | 267 | }; |
ngoldin | 9:deb9547909c3 | 268 | return rpc_methods; |
ngoldin | 9:deb9547909c3 | 269 | } |
ngoldin | 9:deb9547909c3 | 270 | #endif |