Maxim Integrated
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
Diff: main.cpp
- Revision:
- 2:be568cc42d4b
- Parent:
- 1:c9cf8a2fc829
--- a/main.cpp Wed Dec 23 19:04:16 2015 +0000
+++ b/main.cpp Sat Jan 23 02:23:43 2016 +0000
@@ -34,94 +34,134 @@
#include "mbed.h"
#include "max14871_shield.h"
+template <typename T>
+static inline void REPORT (T set, T get)
+{
+ const char *resp = (set == get) ? "Pass" : "Fail";
+ printf("%08d: %s\n", __LINE__, resp);
+}
+
+float float_status = 0.0f;
+Max14871_Shield::max14871_current_regulation_mode_t reg_mode_status = Max14871_Shield::TCOFF_SLOW_EXTERNAL_REF;
+Max14871_Shield::max14871_operating_mode_t op_mode_status = Max14871_Shield::FORWARD;
int main(void)
{
-
+
uint8_t idx = 0;
const uint8_t DELAY = 50;
const float VREF = 2.0f;
const float PWM_PERIOD = 0.000025f; //40KHz
float pwm_duty_cycle = 0.0f;
-
+
+ puts("Starting Test");
Max14871_Shield shld(D14, D15, true);
-
- Max14871_Shield::max14871_motor_driver_t MD_ARRAY[] = {Max14871_Shield::MD1, Max14871_Shield::MD2,
- Max14871_Shield::MD3, Max14871_Shield::MD4};
-
+
+ Max14871_Shield::max14871_motor_driver_t MD_ARRAY[] = {Max14871_Shield::MD1, Max14871_Shield::MD2,
+ Max14871_Shield::MD3, Max14871_Shield::MD4
+ };
+
//configure motor drivers
- for(idx = 0; idx < 4; idx++)
- {
+ for(idx = 0; idx < 4; idx++) {
shld.set_pwm_duty_cycle(MD_ARRAY[idx], pwm_duty_cycle);
+ float_status = shld.get_pwm_duty_cycle(MD_ARRAY[idx]);
+ REPORT(pwm_duty_cycle, float_status);
+
shld.set_pwm_period(MD_ARRAY[idx], PWM_PERIOD);
+ // no get pwm_period method
+ float_status = shld.get_pwm_period(MD_ARRAY[idx]);
+ REPORT(PWM_PERIOD, float_status);
+
shld.set_current_regulation_mode(MD_ARRAY[idx], Max14871_Shield::RIPPLE_25_EXTERNAL_REF, VREF);
+ reg_mode_status = shld.get_current_regulation_mode(MD_ARRAY[idx]);
+ REPORT(Max14871_Shield::RIPPLE_25_EXTERNAL_REF, reg_mode_status);
+
shld.set_operating_mode(MD_ARRAY[idx], Max14871_Shield::BRAKE);
+ op_mode_status = shld.get_operating_mode(MD_ARRAY[idx]);
+ REPORT(Max14871_Shield::BRAKE, op_mode_status);
}
-
- for(idx = 0; idx < 4; idx++)
- {
- shld.set_operating_mode(MD_ARRAY[idx], Max14871_Shield::FORWARD);
-
- //Ramp up
- printf("Ramping up Forward, MD = %d\n", MD_ARRAY[idx]);
- for(pwm_duty_cycle = 0.0f; pwm_duty_cycle < 1.0f; pwm_duty_cycle += 0.1f)
- {
- printf("Duty Cycle = %0.2f\n", pwm_duty_cycle);
- shld.set_pwm_duty_cycle(MD_ARRAY[idx], pwm_duty_cycle);
- wait_ms(DELAY);
- }
-
- //100% duty cycle
- printf("Duty Cycle = %0.2f\n", pwm_duty_cycle);
- shld.set_pwm_duty_cycle(MD_ARRAY[idx], pwm_duty_cycle);
- wait_ms(DELAY);
-
- //Ramp down
- printf("Ramping down Forward, MD = %d\n", MD_ARRAY[idx]);
- for(pwm_duty_cycle = 1.0f; pwm_duty_cycle > 0.0f; pwm_duty_cycle -= 0.1f)
- {
- printf("Duty Cycle = %0.2f\n", pwm_duty_cycle);
- shld.set_pwm_duty_cycle(MD_ARRAY[idx], pwm_duty_cycle);
- wait_ms(DELAY);
- }
-
- //0% duty cycle
- printf("Duty Cycle = %0.2f\n", pwm_duty_cycle);
- shld.set_pwm_duty_cycle(MD_ARRAY[idx], pwm_duty_cycle);
- wait_ms(DELAY);
-
- shld.set_operating_mode(MD_ARRAY[idx], Max14871_Shield::REVERSE);
-
- //Ramp up
- printf("Ramping up Reverse, MD = %d\n", MD_ARRAY[idx]);
- for(pwm_duty_cycle = 0.0f; pwm_duty_cycle < 1.0f; pwm_duty_cycle += 0.1f)
- {
- printf("Duty Cycle = %0.2f\n", pwm_duty_cycle);
- shld.set_pwm_duty_cycle(MD_ARRAY[idx], pwm_duty_cycle);
- wait_ms(DELAY);
- }
-
- //100% duty cycle
- printf("Duty Cycle = %0.2f\n", pwm_duty_cycle);
- shld.set_pwm_duty_cycle(MD_ARRAY[idx], pwm_duty_cycle);
- wait_ms(DELAY);
-
- //Ramp down
- printf("Ramping down Reverse, MD = %d\n", MD_ARRAY[idx]);
- for(pwm_duty_cycle = 1.0f; pwm_duty_cycle > 0.0f; pwm_duty_cycle -= 0.1f)
- {
- printf("Duty Cycle = %0.2f\n", pwm_duty_cycle);
- shld.set_pwm_duty_cycle(MD_ARRAY[idx], pwm_duty_cycle);
- wait_ms(DELAY);
- }
-
- //0% duty cycle
- printf("Duty Cycle = %0.2f\n", pwm_duty_cycle);
- shld.set_pwm_duty_cycle(MD_ARRAY[idx], pwm_duty_cycle);
- wait_ms(DELAY);
-
- shld.set_operating_mode(MD_ARRAY[idx], Max14871_Shield::COAST);
+
+ for(idx = 0; idx < 4; idx++) {
+ shld.set_operating_mode(MD_ARRAY[idx], Max14871_Shield::FORWARD);
+ op_mode_status = shld.get_operating_mode(MD_ARRAY[idx]);
+ REPORT(Max14871_Shield::FORWARD, op_mode_status);
+
+ //Ramp up
+ printf("Ramping up Forward, MD = %d\n", MD_ARRAY[idx]);
+ for(pwm_duty_cycle = 0.0f; pwm_duty_cycle < 1.0f; pwm_duty_cycle += 0.1f) {
+ printf("Duty Cycle = %0.2f\n", pwm_duty_cycle);
+ shld.set_pwm_duty_cycle(MD_ARRAY[idx], pwm_duty_cycle);
+ float_status = shld.get_pwm_duty_cycle(MD_ARRAY[idx]);
+ REPORT(pwm_duty_cycle, float_status);
+ wait_ms(DELAY);
+ }
+
+ //100% duty cycle
+ printf("Duty Cycle = %0.2f\n", pwm_duty_cycle);
+ shld.set_pwm_duty_cycle(MD_ARRAY[idx], pwm_duty_cycle);
+ float_status = shld.get_pwm_duty_cycle(MD_ARRAY[idx]);
+ REPORT(pwm_duty_cycle, float_status);
+ wait_ms(DELAY);
+
+ //Ramp down
+ printf("Ramping down Forward, MD = %d\n", MD_ARRAY[idx]);
+ for(pwm_duty_cycle = 1.0f; pwm_duty_cycle > 0.0f; pwm_duty_cycle -= 0.1f) {
+ printf("Duty Cycle = %0.2f\n", pwm_duty_cycle);
+ shld.set_pwm_duty_cycle(MD_ARRAY[idx], pwm_duty_cycle);
+ float_status = shld.get_pwm_duty_cycle(MD_ARRAY[idx]);
+ REPORT(pwm_duty_cycle, float_status);
+ wait_ms(DELAY);
+ }
+
+ //0% duty cycle
+ printf("Duty Cycle = %0.2f\n", pwm_duty_cycle);
+ shld.set_pwm_duty_cycle(MD_ARRAY[idx], pwm_duty_cycle);
+ float_status = shld.get_pwm_duty_cycle(MD_ARRAY[idx]);
+ REPORT(pwm_duty_cycle, float_status);
+ wait_ms(DELAY);
+
+ shld.set_operating_mode(MD_ARRAY[idx], Max14871_Shield::REVERSE);
+ op_mode_status = shld.get_operating_mode(MD_ARRAY[idx]);
+ REPORT(Max14871_Shield::REVERSE, op_mode_status);
+
+ //Ramp up
+ printf("Ramping up Reverse, MD = %d\n", MD_ARRAY[idx]);
+ for(pwm_duty_cycle = 0.0f; pwm_duty_cycle < 1.0f; pwm_duty_cycle += 0.1f) {
+ printf("Duty Cycle = %0.2f\n", pwm_duty_cycle);
+ shld.set_pwm_duty_cycle(MD_ARRAY[idx], pwm_duty_cycle);
+ float_status = shld.get_pwm_duty_cycle(MD_ARRAY[idx]);
+ REPORT(pwm_duty_cycle, float_status);
+ wait_ms(DELAY);
+ }
+
+ //100% duty cycle
+ printf("Duty Cycle = %0.2f\n", pwm_duty_cycle);
+ shld.set_pwm_duty_cycle(MD_ARRAY[idx], pwm_duty_cycle);
+ float_status = shld.get_pwm_duty_cycle(MD_ARRAY[idx]);
+ REPORT(pwm_duty_cycle, float_status);
+ wait_ms(DELAY);
+
+ //Ramp down
+ printf("Ramping down Reverse, MD = %d\n", MD_ARRAY[idx]);
+ for(pwm_duty_cycle = 1.0f; pwm_duty_cycle > 0.0f; pwm_duty_cycle -= 0.1f) {
+ printf("Duty Cycle = %0.2f\n", pwm_duty_cycle);
+ shld.set_pwm_duty_cycle(MD_ARRAY[idx], pwm_duty_cycle);
+ float_status = shld.get_pwm_duty_cycle(MD_ARRAY[idx]);
+ REPORT(pwm_duty_cycle, float_status);
+ wait_ms(DELAY);
+ }
+
+ //0% duty cycle
+ printf("Duty Cycle = %0.2f\n", pwm_duty_cycle);
+ shld.set_pwm_duty_cycle(MD_ARRAY[idx], pwm_duty_cycle);
+ float_status = shld.get_pwm_duty_cycle(MD_ARRAY[idx]);
+ REPORT(pwm_duty_cycle, float_status);
+ wait_ms(DELAY);
+
+ shld.set_operating_mode(MD_ARRAY[idx], Max14871_Shield::COAST);
+ op_mode_status = shld.get_operating_mode(MD_ARRAY[idx]);
+ REPORT(Max14871_Shield::COAST, op_mode_status);
}
-
+
return 0;
}