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author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2010-05-04 01:28:47 +0000 |
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committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2010-05-04 01:28:47 +0000 |
commit | b3e9a45e0f48658818b7bf8ef6f23e60be2f9e37 (patch) | |
tree | 64ef43461291c0afbab24480828c4bf93c5c9886 /nuttx/drivers/net | |
parent | eccc4cf309273c74ea4a51c57efcaf29572175c0 (diff) | |
download | px4-nuttx-b3e9a45e0f48658818b7bf8ef6f23e60be2f9e37.tar.gz px4-nuttx-b3e9a45e0f48658818b7bf8ef6f23e60be2f9e37.tar.bz2 px4-nuttx-b3e9a45e0f48658818b7bf8ef6f23e60be2f9e37.zip |
Basic enc29j80 init logic exercised
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@2650 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx/drivers/net')
-rwxr-xr-x | nuttx/drivers/net/enc28j60.c | 36 |
1 files changed, 23 insertions, 13 deletions
diff --git a/nuttx/drivers/net/enc28j60.c b/nuttx/drivers/net/enc28j60.c index 6be0e325f..ad356a0af 100755 --- a/nuttx/drivers/net/enc28j60.c +++ b/nuttx/drivers/net/enc28j60.c @@ -871,7 +871,7 @@ static int enc_transmit(FAR struct enc_driver_s *priv) #endif /* Verify that the hardware is ready to send another packet. The driver - * start a transmission process by setting ECON1.TXRTS. When the packet is + * starts a transmission process by setting ECON1.TXRTS. When the packet is * finished transmitting or is aborted due to an error/cancellation, the * ECON1.TXRTS bit will be cleared. * @@ -1620,9 +1620,9 @@ static int enc_ifup(struct uip_driver_s *dev) FAR struct enc_driver_s *priv = (FAR struct enc_driver_s *)dev->d_private; int ret; - ndbg("Bringing up: %d.%d.%d.%d\n", - dev->d_ipaddr & 0xff, (dev->d_ipaddr >> 8) & 0xff, - (dev->d_ipaddr >> 16) & 0xff, dev->d_ipaddr >> 24 ); + nlldbg("Bringing up: %d.%d.%d.%d\n", + dev->d_ipaddr & 0xff, (dev->d_ipaddr >> 8) & 0xff, + (dev->d_ipaddr >> 16) & 0xff, dev->d_ipaddr >> 24 ); /* Initialize Ethernet interface, set the MAC address, and make sure that * the ENC28J80 is not in power save mode. @@ -1739,12 +1739,18 @@ static int enc_txavail(struct uip_driver_s *dev) if (priv->bifup) { + /* Check if the hardware is ready to send another packet. The driver + * starts a transmission process by setting ECON1.TXRTS. When the packet is + * finished transmitting or is aborted due to an error/cancellation, the + * ECON1.TXRTS bit will be cleared. + */ - /* Check if there is room in the hardware to hold another outgoing packet. */ - - /* If so, then poll uIP for new XMIT data */ + if ((enc_rdgreg(priv, ENC_ECON1) & ECON1_TXRTS) == 0) + { + /* The interface is up and TX is idle; poll uIP for new XMIT data */ - (void)uip_poll(&priv->dev, enc_uiptxpoll); + (void)uip_poll(&priv->dev, enc_uiptxpoll); + } } irqrestore(flags); @@ -1786,6 +1792,8 @@ static int enc_txavail(struct uip_driver_s *dev) static void enc_pwrsave(FAR struct enc_driver_s *priv) { + nllvdbg("Set PWRSV\n"); + /* 1. Turn off packet reception by clearing ECON1.RXEN. */ enc_bfcgreg(priv, ENC_ECON1, ECON1_RXEN); @@ -1844,6 +1852,8 @@ static void enc_pwrsave(FAR struct enc_driver_s *priv) static void enc_pwrfull(FAR struct enc_driver_s *priv) { + nllvdbg("Clear PWRSV\n"); + /* 1. Wake-up by clearing ECON2.PWRSV. */ enc_bfcgreg(priv, ENC_ECON2, ECON2_PWRSV); @@ -1912,7 +1922,7 @@ static int enc_reset(FAR struct enc_driver_s *priv) { uint8_t regval; - ndbg("Entry\n"); + nlldbg("Reset\n"); /* Configure SPI for the ENC28J60 */ @@ -1971,10 +1981,10 @@ static int enc_reset(FAR struct enc_driver_s *priv) regval = enc_rdbreg(priv, ENC_EREVID); if (regval == 0x00 || regval == 0xff) { - ndbg("Bad Rev ID: %0x\n", regval); + nlldbg("Bad Rev ID: %0x\n", regval); return -ENODEV; } - nvdbg("Rev ID: %02x\n", regval); + nllvdbg("Rev ID: %02x\n", regval); /* Set filter mode: unicast OR broadcast AND crc valid */ @@ -2004,11 +2014,11 @@ static int enc_reset(FAR struct enc_driver_s *priv) enc_wrbreg(priv, ENC_MACON3, MACON3_PADCFG0 | MACON3_TXCRCEN | MACON3_FRMLNEN | MACON3_FULDPX); - /* set Non-Back-to-Back Inter-Packet Gap */ + /* Set Non-Back-to-Back Inter-Packet Gap */ enc_wrbreg(priv, ENC_MAIPGL, 0x12); - /* set ack-to-Back Inter-Packet Gap */ + /* Set ack-to-Back Inter-Packet Gap */ enc_wrbreg(priv, ENC_MABBIPG, 0x15); #endif |