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| author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2012-08-24 22:16:09 +0000 |
|---|---|---|
| committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2012-08-24 22:16:09 +0000 |
| commit | e1d2e02765b287c4a2966fa9e9e1cad7ea815bf8 (patch) | |
| tree | 4504193e31c837a98e911a2bb7b8b121509179f9 /nuttx/arch/arm/src/lpc17xx/lpc17_usbhost.c | |
| parent | e55c8494b069f59b0c1380c50cf0993310085dae (diff) | |
| download | px4-nuttx-e1d2e02765b287c4a2966fa9e9e1cad7ea815bf8.tar.gz px4-nuttx-e1d2e02765b287c4a2966fa9e9e1cad7ea815bf8.tar.bz2 px4-nuttx-e1d2e02765b287c4a2966fa9e9e1cad7ea815bf8.zip | |
Update STM32 USB OTG FS host driver -- the driver is now marginally functional
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5051 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx/arch/arm/src/lpc17xx/lpc17_usbhost.c')
| -rw-r--r-- | nuttx/arch/arm/src/lpc17xx/lpc17_usbhost.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/nuttx/arch/arm/src/lpc17xx/lpc17_usbhost.c b/nuttx/arch/arm/src/lpc17xx/lpc17_usbhost.c index 154b953b7..de880cac1 100644 --- a/nuttx/arch/arm/src/lpc17xx/lpc17_usbhost.c +++ b/nuttx/arch/arm/src/lpc17xx/lpc17_usbhost.c @@ -2194,7 +2194,13 @@ static int lpc17_ctrlout(FAR struct usbhost_driver_s *drvr, * * Returned Values: * On success, zero (OK) is returned. On a failure, a negated errno value is - * returned indicating the nature of the failure + * returned indicating the nature of the failure: + * + * EAGAIN - If devices NAKs the transfer (or NYET or other error where + * it may be appropriate to restart the entire transaction). + * EPERM - If the endpoint stalls + * EIO - On a TX or data toggle error + * EPIPE - Overrun errors * * Assumptions: * - Only a single class bound to a single device is supported. |