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pwm test uses Onshot API

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At at a period greater than the the max Oneshot pulse width
  Trigger all timer's channels in Oneshot mode to fire the
  oneshots with updated values.
This commit is contained in:
David Sidrane
2017-03-02 16:24:06 -10:00
committed by Lorenz Meier
parent 6dc3b1cac6
commit 8984b441a0
1 changed files with 1 additions and 2 deletions
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3
src/systemcmds/pwm/pwm.c
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@@ -87,7 +87,6 @@ usage(const char *reason)
"\t[-g <channel group>]\t(e.g. 0,1,2)\n"
"\t[-m <channel mask> ]\t(e.g. 0xF)\n"
"\t[-a]\t\t\tConfigure all outputs\n"
"\t-t <pulse>\t\tOneshot duration (1 to 65535 125nS)\n"
"\n"
"rate ...\t\t\tConfigure PWM rates\n"
"\t[-g <channel group>]\t(e.g. 0,1,2)\n"
@@ -350,7 +349,7 @@ pwm_main(int argc, char *argv[])
/* change alternate PWM rate or set oneshot */
if (oneshot || alt_rate > 0) {
ret = px4_ioctl(fd, PWM_SERVO_SET_UPDATE_RATE, alt_rate);
ret = px4_ioctl(fd, PWM_SERVO_SET_UPDATE_RATE, oneshot ? 0 : alt_rate);
if (ret != OK) {
PX4_ERR("PWM_SERVO_SET_UPDATE_RATE (check rate for sanity)");