Maxim Integrated / Mbed 2 deprecated MAXREFDES89_Test_Program

Functional test program for MAXREFDES89# that ramps each motor driver output up/down and in each direction sequentially. Uses default configuration, i.e. pwm signals are on D4, D5, D9 and D10 along with default I2C addresses for supporting I.C.s.

Dependencies:   MAX14871_Shield mbed

main.cpp@0:81e41ea3f51a, 2015-08-28 (annotated)

Committer:
j3
Date:
Fri Aug 28 19:38:19 2015 +0000
Revision:
0:81e41ea3f51a
Child:
1:c9cf8a2fc829
Simple functional test program

Who changed what in which revision?

UserRevisionLine numberNew contents of line
j3 0:81e41ea3f51a 1 /**********************************************************************
j3 0:81e41ea3f51a 2 * Copyright (C) 2015 Maxim Integrated Products, Inc., All Rights Reserved.
j3 0:81e41ea3f51a 3 *
j3 0:81e41ea3f51a 4 * Permission is hereby granted, free of charge, to any person obtaining a
j3 0:81e41ea3f51a 5 * copy of this software and associated documentation files (the "Software"),
j3 0:81e41ea3f51a 6 * to deal in the Software without restriction, including without limitation
j3 0:81e41ea3f51a 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
j3 0:81e41ea3f51a 8 * and/or sell copies of the Software, and to permit persons to whom the
j3 0:81e41ea3f51a 9 * Software is furnished to do so, subject to the following conditions:
j3 0:81e41ea3f51a 10 *
j3 0:81e41ea3f51a 11 * The above copyright notice and this permission notice shall be included
j3 0:81e41ea3f51a 12 * in all copies or substantial portions of the Software.
j3 0:81e41ea3f51a 13 *
j3 0:81e41ea3f51a 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
j3 0:81e41ea3f51a 15 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
j3 0:81e41ea3f51a 16 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
j3 0:81e41ea3f51a 17 * IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES
j3 0:81e41ea3f51a 18 * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
j3 0:81e41ea3f51a 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
j3 0:81e41ea3f51a 20 * OTHER DEALINGS IN THE SOFTWARE.
j3 0:81e41ea3f51a 21 *
j3 0:81e41ea3f51a 22 * Except as contained in this notice, the name of Maxim Integrated
j3 0:81e41ea3f51a 23 * Products, Inc. shall not be used except as stated in the Maxim Integrated
j3 0:81e41ea3f51a 24 * Products, Inc. Branding Policy.
j3 0:81e41ea3f51a 25 *
j3 0:81e41ea3f51a 26 * The mere transfer of this software does not imply any licenses
j3 0:81e41ea3f51a 27 * of trade secrets, proprietary technology, copyrights, patents,
j3 0:81e41ea3f51a 28 * trademarks, maskwork rights, or any other form of intellectual
j3 0:81e41ea3f51a 29 * property whatsoever. Maxim Integrated Products, Inc. retains all
j3 0:81e41ea3f51a 30 * ownership rights.
j3 0:81e41ea3f51a 31 **********************************************************************/
j3 0:81e41ea3f51a 32
j3 0:81e41ea3f51a 33
j3 0:81e41ea3f51a 34 #include "mbed.h"
j3 0:81e41ea3f51a 35 #include "max14871_shield.h"
j3 0:81e41ea3f51a 36
j3 0:81e41ea3f51a 37
j3 0:81e41ea3f51a 38 int main(void)
j3 0:81e41ea3f51a 39 {
j3 0:81e41ea3f51a 40
j3 0:81e41ea3f51a 41 uint8_t idx = 0;
j3 0:81e41ea3f51a 42 const uint8_t DELAY = 50;
j3 0:81e41ea3f51a 43 const float VREF = 2.0f;
j3 0:81e41ea3f51a 44 const float PWM_PERIOD = 0.000025f; //40KHz
j3 0:81e41ea3f51a 45 float pwm_duty_cycle = 0.0f;
j3 0:81e41ea3f51a 46
j3 0:81e41ea3f51a 47 Max14871_Shield shld(D14, D15, true);
j3 0:81e41ea3f51a 48
j3 0:81e41ea3f51a 49 Max14871_Shield::max14871_motor_driver_t MD_ARRAY[] = {Max14871_Shield::MD1, Max14871_Shield::MD2,
j3 0:81e41ea3f51a 50 Max14871_Shield::MD3, Max14871_Shield::MD4};
j3 0:81e41ea3f51a 51
j3 0:81e41ea3f51a 52 //configure motor drivers
j3 0:81e41ea3f51a 53 for(idx = 0; idx < 4; idx++)
j3 0:81e41ea3f51a 54 {
j3 0:81e41ea3f51a 55 shld.set_pwm_duty_cycle(MD_ARRAY[idx], pwm_duty_cycle);
j3 0:81e41ea3f51a 56 shld.set_pwm_period(MD_ARRAY[idx], PWM_PERIOD);
j3 0:81e41ea3f51a 57 shld.set_current_regulation_mode(MD_ARRAY[idx], Max14871_Shield::RIPPLE_25_EXTERNAL_REF, VREF);
j3 0:81e41ea3f51a 58 shld.set_operating_mode(MD_ARRAY[idx], Max14871_Shield::BRAKE);
j3 0:81e41ea3f51a 59 }
j3 0:81e41ea3f51a 60
j3 0:81e41ea3f51a 61 for(idx = 0; idx < 4; idx++)
j3 0:81e41ea3f51a 62 {
j3 0:81e41ea3f51a 63 shld.set_operating_mode(MD_ARRAY[idx], Max14871_Shield::FORWARD);
j3 0:81e41ea3f51a 64
j3 0:81e41ea3f51a 65 //Ramp up
j3 0:81e41ea3f51a 66 printf("Ramping up Forward, MD = %d\n", MD_ARRAY[idx]);
j3 0:81e41ea3f51a 67 for(pwm_duty_cycle = 0.0; pwm_duty_cycle < 1.0f; pwm_duty_cycle += 0.1f)
j3 0:81e41ea3f51a 68 {
j3 0:81e41ea3f51a 69 printf("Duty Cycle = %0.2f\n", pwm_duty_cycle);
j3 0:81e41ea3f51a 70 shld.set_pwm_duty_cycle(MD_ARRAY[idx], pwm_duty_cycle);
j3 0:81e41ea3f51a 71 wait_ms(DELAY);
j3 0:81e41ea3f51a 72 }
j3 0:81e41ea3f51a 73
j3 0:81e41ea3f51a 74 //100% duty cycle
j3 0:81e41ea3f51a 75 printf("Duty Cycle = %0.2f\n", pwm_duty_cycle);
j3 0:81e41ea3f51a 76 shld.set_pwm_duty_cycle(MD_ARRAY[idx], pwm_duty_cycle);
j3 0:81e41ea3f51a 77 wait_ms(DELAY);
j3 0:81e41ea3f51a 78
j3 0:81e41ea3f51a 79 //Ramp down
j3 0:81e41ea3f51a 80 printf("Ramping down Forward, MD = %d\n", MD_ARRAY[idx]);
j3 0:81e41ea3f51a 81 for(pwm_duty_cycle = 1.0; pwm_duty_cycle > 0.0f; pwm_duty_cycle -= 0.1f)
j3 0:81e41ea3f51a 82 {
j3 0:81e41ea3f51a 83 printf("Duty Cycle = %0.2f\n", pwm_duty_cycle);
j3 0:81e41ea3f51a 84 shld.set_pwm_duty_cycle(MD_ARRAY[idx], pwm_duty_cycle);
j3 0:81e41ea3f51a 85 wait_ms(DELAY);
j3 0:81e41ea3f51a 86 }
j3 0:81e41ea3f51a 87
j3 0:81e41ea3f51a 88 //0% duty cycle
j3 0:81e41ea3f51a 89 printf("Duty Cycle = %0.2f\n", pwm_duty_cycle);
j3 0:81e41ea3f51a 90 shld.set_pwm_duty_cycle(MD_ARRAY[idx], pwm_duty_cycle);
j3 0:81e41ea3f51a 91 wait_ms(DELAY);
j3 0:81e41ea3f51a 92
j3 0:81e41ea3f51a 93 shld.set_operating_mode(MD_ARRAY[idx], Max14871_Shield::REVERSE);
j3 0:81e41ea3f51a 94
j3 0:81e41ea3f51a 95 //Ramp up
j3 0:81e41ea3f51a 96 printf("Ramping up Reverse, MD = %d\n", MD_ARRAY[idx]);
j3 0:81e41ea3f51a 97 for(pwm_duty_cycle = 0.0; pwm_duty_cycle < 1.0f; pwm_duty_cycle += 0.1f)
j3 0:81e41ea3f51a 98 {
j3 0:81e41ea3f51a 99 printf("Duty Cycle = %0.2f\n", pwm_duty_cycle);
j3 0:81e41ea3f51a 100 shld.set_pwm_duty_cycle(MD_ARRAY[idx], pwm_duty_cycle);
j3 0:81e41ea3f51a 101 wait_ms(DELAY);
j3 0:81e41ea3f51a 102 }
j3 0:81e41ea3f51a 103
j3 0:81e41ea3f51a 104 //100% duty cycle
j3 0:81e41ea3f51a 105 printf("Duty Cycle = %0.2f\n", pwm_duty_cycle);
j3 0:81e41ea3f51a 106 shld.set_pwm_duty_cycle(MD_ARRAY[idx], pwm_duty_cycle);
j3 0:81e41ea3f51a 107 wait_ms(DELAY);
j3 0:81e41ea3f51a 108
j3 0:81e41ea3f51a 109 //Ramp down
j3 0:81e41ea3f51a 110 printf("Ramping down Reverse, MD = %d\n", MD_ARRAY[idx]);
j3 0:81e41ea3f51a 111 for(pwm_duty_cycle = 1.0f; pwm_duty_cycle > 0.0f; pwm_duty_cycle -= 0.1f)
j3 0:81e41ea3f51a 112 {
j3 0:81e41ea3f51a 113 printf("Duty Cycle = %0.2f\n", pwm_duty_cycle);
j3 0:81e41ea3f51a 114 shld.set_pwm_duty_cycle(MD_ARRAY[idx], pwm_duty_cycle);
j3 0:81e41ea3f51a 115 wait_ms(DELAY);
j3 0:81e41ea3f51a 116 }
j3 0:81e41ea3f51a 117
j3 0:81e41ea3f51a 118 //0% duty cycle
j3 0:81e41ea3f51a 119 printf("Duty Cycle = %0.2f\n", pwm_duty_cycle);
j3 0:81e41ea3f51a 120 shld.set_pwm_duty_cycle(MD_ARRAY[idx], pwm_duty_cycle);
j3 0:81e41ea3f51a 121 wait_ms(DELAY);
j3 0:81e41ea3f51a 122
j3 0:81e41ea3f51a 123 shld.set_operating_mode(MD_ARRAY[idx], Max14871_Shield::COAST);
j3 0:81e41ea3f51a 124 }
j3 0:81e41ea3f51a 125
j3 0:81e41ea3f51a 126 return 0;
j3 0:81e41ea3f51a 127 }