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Misc USB device driver debug

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git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@2828 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo 2010-08-07 01:48:15 +00:00
parent 29f68a688b
commit faa7d2112c
2 changed files with 27 additions and 1 deletions
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22
arch/arm/src/lpc17xx/lpc17_usb.h
View File

@ -679,6 +679,28 @@
#define CMD_USBDEV_CLRBUFFER_PO (0x00000001)
/* SETMODE(0xf3) command */
#define CMD_SETMODE_APCLK (1 << 0) /* Bit 0: Always PLL Clock */
#define CMD_SETMODE_INAKCI (1 << 1) /* Bit 1: Interrupt on NAK for Control IN endpoint */
#define CMD_SETMODE_INAKCO (1 << 2) /* Bit 2: Interrupt on NAK for Control OUT endpoint */
#define CMD_SETMODE_INAKII (1 << 3) /* Bit 3: Interrupt on NAK for Interrupt IN endpoint */
#define CMD_SETMODE_INAKIO (1 << 4) /* Bit 4: Interrupt on NAK for Interrupt OUT endpoints */
#define CMD_SETMODE_INAKBI (1 << 5) /* Bit 5: Interrupt on NAK for Bulk IN endpoints */
#define CMD_SETMODE_INAKBO (1 << 6) /* Bit 6: Interrupt on NAK for Bulk OUT endpoints */
/* READERRORSTATUS (0xFb) command */
#define CMD_READERRORSTATUS_PIDERR (1 << 0) /* Bit 0: PID encoding/unknown or Token CRC */
#define CMD_READERRORSTATUS_UEPKT (1 << 1) /* Bit 1: Unexpected Packet */
#define CMD_READERRORSTATUS_DCRC (1 << 2) /* Bit 2: Data CRC error */
#define CMD_READERRORSTATUS_TIMEOUT (1 << 3) /* Bit 3: Time out error */
#define CMD_READERRORSTATUS_EOP (1 << 4) /* Bit 4: End of packet error */
#define CMD_READERRORSTATUS_BOVRN (1 << 5) /* Bit 5: Buffer Overrun */
#define CMD_READERRORSTATUS_BTSTF (1 << 6) /* Bit 6: Bit stuff error */
#define CMD_READERRORSTATUS_TGLERR (1 << 7) /* Bit 7: Wrong toggle in data PID */
#define CMD_READERRORSTATUS_ALLERRS (0xff)
/* DMA ******************************************************************************/
/* The DMA descriptor */

6
arch/arm/src/lpc17xx/lpc17_usbdev.c
View File

@ -2080,7 +2080,7 @@ static int lpc17_usbinterrupt(int irq, FAR void *context)
/* And show what error occurred */
errcode = (uint8_t)lpc17_usbcmd(CMD_USBDEV_READERRORSTATUS, 0) & 0x0f;
errcode = (uint8_t)lpc17_usbcmd(CMD_USBDEV_READERRORSTATUS, 0) & CMD_READERRORSTATUS_ALLERRS;
usbtrace(TRACE_INTDECODE(LPC17_TRACEINTID_ERRINT), (uint16_t)errcode);
}
#endif
@ -3245,6 +3245,10 @@ void up_usbinitialize(void)
lpc17_putreg(0xffffffff, LPC17_USBDEV_EPINTCLR);
lpc17_putreg(0, LPC17_USBDEV_EPINTPRI);
/* Interrupt only on ACKs */
lpc17_usbcmd(CMD_USBDEV_SETMODE, 0);
/* Attach USB controller interrupt handler */
if (irq_attach(LPC17_IRQ_USB, lpc17_usbinterrupt) != 0)