ADS7843 updates

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@4042 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo 2011-10-12 17:37:15 +00:00
parent b0642fdd2f
commit 098a7d9925
2 changed files with 11 additions and 3 deletions

View File

@ -161,7 +161,6 @@ void weak_function sam3u_spiinitialize(void)
*
****************************************************************************/
#ifdef CONFIG_SAM3U_SPI
int sam3u_spicsnumber(enum spi_dev_e devid)
{
int cs = -EINVAL;
@ -240,6 +239,5 @@ uint8_t sam3u_spistatus(FAR struct spi_dev_s *dev, enum spi_dev_e devid)
{
return 0;
}
#endif
#endif /* CONFIG_SAM3U_SPI */

View File

@ -179,10 +179,20 @@ static void tsc_clear(FAR struct ads7843e_config_s *state)
static bool tsc_busy(FAR struct ads7843e_config_s *state)
{
#if defined(CONFIG_DEBUG_INPUT) && defined(CONFIG_DEBUG_VERBOSE)
static bool last = (bool)-1;
#endif
/* REVISIT: This might need to be inverted */
bool busy = sam3u_gpioread(GPIO_TCS_BUSY);
ivdbg("busy:%d\n", busy);
#if defined(CONFIG_DEBUG_INPUT) && defined(CONFIG_DEBUG_VERBOSE)
if (busy != last)
{
ivdbg("busy:%d\n", busy);
last = busy;
}
#endif
return busy;
}