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author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2013-01-31 16:52:20 +0000 |
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committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2013-01-31 16:52:20 +0000 |
commit | 9de6f4d501826f76a5cce3631c6b98b1a6c01d0a (patch) | |
tree | eb4a282cdc3ac29157390d29001c6236fc11b7ec /nuttx/drivers/usbdev | |
parent | 94360f34746f039953b1465a2590d2d70d396282 (diff) | |
download | px4-firmware-9de6f4d501826f76a5cce3631c6b98b1a6c01d0a.tar.gz px4-firmware-9de6f4d501826f76a5cce3631c6b98b1a6c01d0a.tar.bz2 px4-firmware-9de6f4d501826f76a5cce3631c6b98b1a6c01d0a.zip |
Fix readline return value; Add support for removable serial devices
git-svn-id: http://svn.code.sf.net/p/nuttx/code/trunk@5589 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx/drivers/usbdev')
-rw-r--r-- | nuttx/drivers/usbdev/Kconfig | 2 | ||||
-rw-r--r-- | nuttx/drivers/usbdev/cdcacm.c | 47 | ||||
-rw-r--r-- | nuttx/drivers/usbdev/pl2303.c | 45 |
3 files changed, 78 insertions, 16 deletions
diff --git a/nuttx/drivers/usbdev/Kconfig b/nuttx/drivers/usbdev/Kconfig index e17b38022..0752bb791 100644 --- a/nuttx/drivers/usbdev/Kconfig +++ b/nuttx/drivers/usbdev/Kconfig @@ -150,6 +150,7 @@ endif menuconfig PL2303 bool "Prolific PL2303 serial/USB converter emulation" default n + select SERIAL_REMOVABLE ---help--- This logic emulates the Prolific PL2303 serial/USB converter @@ -222,6 +223,7 @@ endif menuconfig CDCACM bool "USB Modem (CDC ACM) support" default n + select SERIAL_REMOVABLE ---help--- Enables USB Modem (CDC ACM) support diff --git a/nuttx/drivers/usbdev/cdcacm.c b/nuttx/drivers/usbdev/cdcacm.c index 97c9d7c77..9b6fae1d6 100644 --- a/nuttx/drivers/usbdev/cdcacm.c +++ b/nuttx/drivers/usbdev/cdcacm.c @@ -570,6 +570,14 @@ static void cdcacm_resetconfig(FAR struct cdcacm_dev_s *priv) priv->config = CDCACM_CONFIGIDNONE; + /* Inform the "upper half" driver that there is no (functional) USB + * connection. + */ + +#ifdef CONFIG_SERIAL_REMOVABLE + uart_connected(&priv->serdev, false); +#endif + /* Disable endpoints. This should force completion of all pending * transfers. */ @@ -731,10 +739,20 @@ static int cdcacm_setconfig(FAR struct cdcacm_dev_s *priv, uint8_t config) usbtrace(TRACE_CLSERROR(USBSER_TRACEERR_RDSUBMIT), (uint16_t)-ret); goto errout; } + priv->nrdq++; } + /* We are successfully configured */ + priv->config = config; + + /* Inform the "upper half" driver that we are "open for business" */ + +#ifdef CONFIG_SERIAL_REMOVABLE + uart_connected(&priv->serdev, true); +#endif + return OK; errout: @@ -1575,12 +1593,20 @@ static void cdcacm_disconnect(FAR struct usbdevclass_driver_s *driver, } #endif - /* Reset the configuration */ + /* Inform the "upper half serial driver that we have lost the USB serial + * connection. + */ flags = irqsave(); +#ifdef CONFIG_SERIAL_REMOVABLE + uart_connected(&priv->serdev, false); +#endif + + /* Reset the configuration */ + cdcacm_resetconfig(priv); - /* Clear out all data in the circular buffer */ + /* Clear out all outgoing data in the circular buffer */ priv->serdev.xmit.head = 0; priv->serdev.xmit.tail = 0; @@ -2045,12 +2071,17 @@ int cdcacm_classobject(int minor, FAR struct usbdevclass_driver_s **classdev) /* Initialize the serial driver sub-structure */ - priv->serdev.recv.size = CONFIG_CDCACM_RXBUFSIZE; - priv->serdev.recv.buffer = priv->rxbuffer; - priv->serdev.xmit.size = CONFIG_CDCACM_TXBUFSIZE; - priv->serdev.xmit.buffer = priv->txbuffer; - priv->serdev.ops = &g_uartops; - priv->serdev.priv = priv; + /* The initial state is disconnected */ + +#ifdef CONFIG_SERIAL_REMOVABLE + priv->serdev.disconnected = true; +#endif + priv->serdev.recv.size = CONFIG_CDCACM_RXBUFSIZE; + priv->serdev.recv.buffer = priv->rxbuffer; + priv->serdev.xmit.size = CONFIG_CDCACM_TXBUFSIZE; + priv->serdev.xmit.buffer = priv->txbuffer; + priv->serdev.ops = &g_uartops; + priv->serdev.priv = priv; /* Initialize the USB class driver structure */ diff --git a/nuttx/drivers/usbdev/pl2303.c b/nuttx/drivers/usbdev/pl2303.c index d10539fa7..98163f133 100644 --- a/nuttx/drivers/usbdev/pl2303.c +++ b/nuttx/drivers/usbdev/pl2303.c @@ -983,6 +983,14 @@ static void usbclass_resetconfig(FAR struct pl2303_dev_s *priv) priv->config = PL2303_CONFIGIDNONE; + /* Inform the "upper half" driver that there is no (functional) USB + * connection. + */ + +#ifdef CONFIG_SERIAL_REMOVABLE + uart_connected(&priv->serdev, false); +#endif + /* Disable endpoints. This should force completion of all pending * transfers. */ @@ -1112,10 +1120,20 @@ static int usbclass_setconfig(FAR struct pl2303_dev_s *priv, uint8_t config) usbtrace(TRACE_CLSERROR(USBSER_TRACEERR_RDSUBMIT), (uint16_t)-ret); goto errout; } + priv->nrdq++; } + /* We are successfully configured */ + priv->config = config; + + /* Inform the "upper half" driver that we are "open for business" */ + +#ifdef CONFIG_SERIAL_REMOVABLE + uart_connected(&priv->serdev, true); +#endif + return OK; errout: @@ -1844,12 +1862,20 @@ static void usbclass_disconnect(FAR struct usbdevclass_driver_s *driver, } #endif - /* Reset the configuration */ + /* Inform the "upper half serial driver that we have lost the USB serial + * connection. + */ flags = irqsave(); +#ifdef CONFIG_SERIAL_REMOVABLE + uart_connected(&priv->serdev, false); +#endif + + /* Reset the configuration */ + usbclass_resetconfig(priv); - /* Clear out all data in the circular buffer */ + /* Clear out all outgoing data in the circular buffer */ priv->serdev.xmit.head = 0; priv->serdev.xmit.tail = 0; @@ -2185,12 +2211,15 @@ int usbdev_serialinitialize(int minor) /* Initialize the serial driver sub-structure */ - priv->serdev.recv.size = CONFIG_PL2303_RXBUFSIZE; - priv->serdev.recv.buffer = priv->rxbuffer; - priv->serdev.xmit.size = CONFIG_PL2303_TXBUFSIZE; - priv->serdev.xmit.buffer = priv->txbuffer; - priv->serdev.ops = &g_uartops; - priv->serdev.priv = priv; +#ifdef CONFIG_SERIAL_REMOVABLE + priv->serdev.disconnected = true; +#endif + priv->serdev.recv.size = CONFIG_PL2303_RXBUFSIZE; + priv->serdev.recv.buffer = priv->rxbuffer; + priv->serdev.xmit.size = CONFIG_PL2303_TXBUFSIZE; + priv->serdev.xmit.buffer = priv->txbuffer; + priv->serdev.ops = &g_uartops; + priv->serdev.priv = priv; /* Initialize the USB class driver structure */ |