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SIM: Several fixes to the simulated joystick driver. Still buggy

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This commit is contained in:
Gregory Nutt 2014-12-14 11:11:04 -06:00
parent e6927cfcac
commit ebd263d3bd
1 changed files with 6 additions and 10 deletions
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16
graphics/traveler/src/trv_input.c
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@ -149,7 +149,7 @@ static int trv_joystick_wait(void)
{ {
int errcode = errno; int errcode = errno;
fprintf(stderr, "ERROR: sigwaitinfo() failed: %d\n", errcode); fprintf(stderr, "ERROR: sigwaitinfo() failed: %d\n", errcode);
return -errcode; return -errcode;
} }
@ -158,7 +158,7 @@ static int trv_joystick_wait(void)
#endif #endif
/**************************************************************************** /****************************************************************************
* Name: trv_joystick_sample * Name: trv_joystick_read
* *
* Description: * Description:
* Read one sample from the analog joystick * Read one sample from the analog joystick
@ -524,18 +524,14 @@ void trv_input_read(void)
#if defined(CONFIG_GRAPHICS_TRAVELER_JOYSTICK) #if defined(CONFIG_GRAPHICS_TRAVELER_JOYSTICK)
#if defined(CONFIG_GRAPHICS_TRAVELER_AJOYSTICK) #if defined(CONFIG_GRAPHICS_TRAVELER_AJOYSTICK)
struct ajoy_sample_s sample; struct ajoy_sample_s sample;
ssize_t nread; int ret;
/* Read data from the analog joystick */ /* Read data from the analog joystick */
nread = trv_joystick_read(&sample); ret = trv_joystick_read(&sample);
if (nread < 0) if (ret < 0)
{ {
trv_abort("ERROR: Joystick read error: %d\n", errno); trv_abort("ERROR: trv_joystick_read() failed: %d\n", ret);
}
else if (nread != sizeof(struct ajoy_sample_s))
{
trv_abort("ERROR: Unexpected joystick read size: %ld\n", (long)nread);
} }
/* Determine the input data to return to the POV logic */ /* Determine the input data to return to the POV logic */