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Dependents: newlib PID Robot WarehouseBot1 ... more
Fork of m3pi_ng by
Diff: m3pi.cpp
- Revision:
- 9:deb9547909c3
- Parent:
- 8:4b7d6ea9b35b
- Child:
- 10:f89d2a3a9ed2
diff -r 4b7d6ea9b35b -r deb9547909c3 m3pi.cpp
--- a/m3pi.cpp Thu May 12 13:26:37 2011 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,219 +0,0 @@
-/* m3pi Library
- *
- * Copyright (c) 2007-2010 cstyles
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-
-#include "mbed.h"
-#include "m3pi.h"
-
-m3pi::m3pi(PinName nrst, PinName tx, PinName rx) : Stream("m3pi"), _nrst(nrst), _ser(tx, rx) {
- _ser.baud(115200);
- reset();
-}
-
-m3pi::m3pi() : Stream("m3pi"), _nrst(p23), _ser(p9, p10) {
- _ser.baud(115200);
- reset();
-}
-
-
-void m3pi::reset () {
- _nrst = 0;
- wait (0.01);
- _nrst = 1;
- wait (0.1);
-}
-
-void m3pi::left_motor (float speed) {
- motor(0,speed);
-}
-
-void m3pi::right_motor (float speed) {
- motor(1,speed);
-}
-
-void m3pi::forward (float speed) {
- motor(0,speed);
- motor(1,speed);
-}
-
-void m3pi::backward (float speed) {
- motor(0,-1.0*speed);
- motor(1,-1.0*speed);
-}
-
-void m3pi::left (float speed) {
- motor(0,speed);
- motor(1,-1.0*speed);
-}
-
-void m3pi::right (float speed) {
- motor(0,-1.0*speed);
- motor(1,speed);
-}
-
-void m3pi::stop (void) {
- motor(0,0.0);
- motor(1,0.0);
-}
-
-void m3pi::motor (int motor, float speed) {
- char opcode = 0x0;
- if (speed > 0.0) {
- if (motor==1)
- opcode = M1_FORWARD;
- else
- opcode = M2_FORWARD;
- } else {
- if (motor==1)
- opcode = M1_BACKWARD;
- else
- opcode = M2_BACKWARD;
- }
- unsigned char arg = 0x7f * abs(speed);
-
- _ser.putc(opcode);
- _ser.putc(arg);
-}
-
-float m3pi::battery() {
- _ser.putc(SEND_BATTERY_MILLIVOLTS);
- char lowbyte = _ser.getc();
- char hibyte = _ser.getc();
- float v = ((lowbyte + (hibyte << 8))/1000.0);
- return(v);
-}
-
-float m3pi::line_position() {
- int pos = 0;
- _ser.putc(SEND_LINE_POSITION);
- pos = _ser.getc();
- pos += _ser.getc() << 8;
-
- float fpos = ((float)pos - 2048.0)/2048.0;
- return(fpos);
-}
-
-char m3pi::sensor_auto_calibrate() {
- _ser.putc(AUTO_CALIBRATE);
- return(_ser.getc());
-}
-
-
-void m3pi::calibrate(void) {
- _ser.putc(PI_CALIBRATE);
-}
-
-void m3pi::reset_calibration() {
- _ser.putc(LINE_SENSORS_RESET_CALIBRATION);
-}
-
-void m3pi::PID_start(int max_speed, int a, int b, int c, int d) {
- _ser.putc(max_speed);
- _ser.putc(a);
- _ser.putc(b);
- _ser.putc(c);
- _ser.putc(d);
-}
-
-void m3pi::PID_stop() {
- _ser.putc(STOP_PID);
-}
-
-float m3pi::pot_voltage(void) {
- int volt = 0;
- _ser.putc(SEND_TRIMPOT);
- volt = _ser.getc();
- volt += _ser.getc() << 8;
- return(volt);
-}
-
-
-void m3pi::leds(int val) {
-
- BusOut _leds(p20,p19,p18,p17,p16,p15,p14,p13);
- _leds = val;
-}
-
-
-void m3pi::locate(int x, int y) {
- _ser.putc(DO_LCD_GOTO_XY);
- _ser.putc(x);
- _ser.putc(y);
-}
-
-void m3pi::cls(void) {
- _ser.putc(DO_CLEAR);
-}
-
-int m3pi::print (char* text, int length) {
- _ser.putc(DO_PRINT);
- _ser.putc(length);
- for (int i = 0 ; i < length ; i++) {
- _ser.putc(text[i]);
- }
- return(0);
-}
-
-int m3pi::_putc (int c) {
- _ser.putc(DO_PRINT);
- _ser.putc(0x1);
- _ser.putc(c);
- wait (0.001);
- return(c);
-}
-
-int m3pi::_getc (void) {
- char r = 0;
- return(r);
-}
-
-int m3pi::putc (int c) {
- return(_ser.putc(c));
-}
-
-int m3pi::getc (void) {
- return(_ser.getc());
-}
-
-
-
-
-
-#ifdef MBED_RPC
-const rpc_method *m3pi::get_rpc_methods() {
- static const rpc_method rpc_methods[] = {{ "forward", rpc_method_caller<m3pi, float, &m3pi::forward> },
- { "backward", rpc_method_caller<m3pi, float, &m3pi::backward> },
- { "left", rpc_method_caller<m3pi, float, &m3pi::left> },
- { "right", rpc_method_caller<m3pi, float, &m3pi::right> },
- { "stop", rpc_method_caller<m3pi, &m3pi::stop> },
- { "left_motor", rpc_method_caller<m3pi, float, &m3pi::left_motor> },
- { "right_motor", rpc_method_caller<m3pi, float, &m3pi::right_motor> },
- { "battery", rpc_method_caller<float, m3pi, &m3pi::battery> },
- { "line_position", rpc_method_caller<float, m3pi, &m3pi::line_position> },
- { "sensor_auto_calibrate", rpc_method_caller<char, m3pi, &m3pi::sensor_auto_calibrate> },
-
-
- RPC_METHOD_SUPER(Base)
- };
- return rpc_methods;
-}
-#endif
