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Use macros from fixedmath.h for manipulating duty cycle

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This avoids magic shift logic in code, and has no change to behavior.
This commit is contained in:
Norman Rasmussen 2021-12-28 12:24:45 -08:00 committed by Xiang Xiao
parent 28c133a503
commit 2e773bcdc6
1 changed files with 3 additions and 4 deletions
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7
examples/pwm/pwm_main.c
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@ -523,8 +523,7 @@ int main(int argc, FAR char *argv[])
for (i = 0; i < CONFIG_PWM_NCHANNELS; i++) for (i = 0; i < CONFIG_PWM_NCHANNELS; i++)
{ {
info.channels[i].channel = g_pwmstate.channels[i]; info.channels[i].channel = g_pwmstate.channels[i];
info.channels[i].duty = ((uint32_t)g_pwmstate.duties[i] info.channels[i].duty = b16divi(uitoub16(g_pwmstate.duties[i]), 100);
<< 16) / 100;
printf(" channel: %d duty: %08" PRIx32, printf(" channel: %d duty: %08" PRIx32,
info.channels[i].channel, info.channels[i].duty); info.channels[i].channel, info.channels[i].duty);
} }
@ -532,9 +531,9 @@ int main(int argc, FAR char *argv[])
printf("\n"); printf("\n");
#else #else
info.duty = ((uint32_t)g_pwmstate.duty << 16) / 100; info.duty = b16divi(uitoub16(g_pwmstate.duty), 100);
# ifdef CONFIG_PWM_PULSECOUNT # ifdef CONFIG_PWM_PULSECOUNT
info.count = g_pwmstate.count; info.count = g_pwmstate.count;
printf("pwm_main: starting output " printf("pwm_main: starting output "
"with frequency: %" PRIu32 " duty: %08" PRIx32 "with frequency: %" PRIu32 " duty: %08" PRIx32