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Fix test of NULL pointer in the SAM3/4 SPI driver

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This commit is contained in:
Gregory Nutt 2013-06-18 12:16:52 -06:00
parent ce3c255bce
commit 35840871b4
2 changed files with 8 additions and 9 deletions
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4
configs/sam3u-ek/README.txt
View File

@ -583,8 +583,8 @@ Configuration sub-directories
CONFIG_ADS7843E_SPIDEV=2 : Use SPI CS 2 for communication CONFIG_ADS7843E_SPIDEV=2 : Use SPI CS 2 for communication
CONFIG_ADS7843E_SPIMODE=0 : Use SPI mode 0 CONFIG_ADS7843E_SPIMODE=0 : Use SPI mode 0
CONFIG_ADS7843E_FREQUENCY=1000000 : SPI BAUD 1MHz CONFIG_ADS7843E_FREQUENCY=1000000 : SPI BAUD 1MHz
CONFIG_ADS7843E_THRESHX=39 : These will probably need to be tuned CONFIG_ADS7843E_THRESHX=51 : These will probably need to be tuned
CONFIG_ADS7843E_THRESHY=51 CONFIG_ADS7843E_THRESHY=39
System Type -> Peripherals: System Type -> Peripherals:
CONFIG_SAM34_SPI=y : Enable support for SPI CONFIG_SAM34_SPI=y : Enable support for SPI

13
configs/sam4l-xplained/README.txt
View File

@ -739,18 +739,17 @@ Configuration sub-directories
an 'unsigned long int'. If this error occurs, then you may need to an 'unsigned long int'. If this error occurs, then you may need to
toggle the value of CONFIG_CXX_NEWLONG. toggle the value of CONFIG_CXX_NEWLONG.
STATUS: As of 2013-6-18, the microSD slot on the I/O1 is marginally STATUS: As of 2013-6-18, this configuration appears completely
functional but needs more TLC. It seems to behave poorly when functional. Testing, however, has been very light. Example:
debug output is enabled -- know idea why. And writing to the SD card
does not work. Here is some example of the bad write behavior:
NuttShell (NSH) NuttX-6.28 NuttShell (NSH) NuttX-6.28
nsh> mount -t vfat /dev/mmcsd0 /mnt/stuff nsh> mount -t vfat /dev/mmcsd0 /mnt/stuff
nsh> ls /mnt/stuff nsh> ls /mnt/stuff
/mnt/stuff: /mnt/stuff:
sharmanto.txt
nsh> cat /mnt/stuff/sharmanto.txt
Hi, from Sharmanto
nsh> echo "This is a test" >/mnt/stuff/atest.txt nsh> echo "This is a test" >/mnt/stuff/atest.txt
nsh> ls /mnt/stuff nsh> ls /mnt/stuff
/mnt/stuff: /mnt/stuff:
atest.txt
nsh> cat /mnt/stuff/atest.txt
This is a test
nsh>