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First round of PWM driver debug changes

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git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@4204 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo 2011-12-20 14:41:32 +00:00
parent e10f0165f1
commit cc58534d4b
1 changed files with 7 additions and 1 deletions
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8
examples/pwm/pwm_main.c
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@ -265,7 +265,10 @@ int pwm_main(int argc, char *argv[])
/* Configure the characteristics of the pulse train */ /* Configure the characteristics of the pulse train */
info.frequency = g_pwmstate.freq; info.frequency = g_pwmstate.freq;
info.duty = (info.duty < 16) / 100; info.duty = ((uint32_t)g_pwmstate.duty << 16) / 100;
message("pwm_main: starting output with frequency: %d duty: %08x\n",
info.frequency, info.duty);
ret = ioctl(fd, PWMIOC_SETCHARACTERISTICS, (unsigned long)((uintptr_t)&info)); ret = ioctl(fd, PWMIOC_SETCHARACTERISTICS, (unsigned long)((uintptr_t)&info));
if (ret < 0) if (ret < 0)
@ -289,6 +292,9 @@ int pwm_main(int argc, char *argv[])
/* Then stop the pulse train */ /* Then stop the pulse train */
message("pwm_main: stopping output\n",
info.frequency, info.duty);
ret = ioctl(fd, PWMIOC_STOP, 0); ret = ioctl(fd, PWMIOC_STOP, 0);
if (ret < 0) if (ret < 0)
{ {