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author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2009-10-29 20:30:46 +0000 |
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committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2009-10-29 20:30:46 +0000 |
commit | 58c30c007b0d51e2ffc6bbc19407ac73436d833e (patch) | |
tree | b59fd045fa162648747ac9926595759b7b4f2a22 /nuttx/arch/arm/src/stm32/stm32_usbdev.c | |
parent | e257f7b3b61e90255aa732644d8ce029e6a96f83 (diff) | |
download | px4-nuttx-58c30c007b0d51e2ffc6bbc19407ac73436d833e.tar.gz px4-nuttx-58c30c007b0d51e2ffc6bbc19407ac73436d833e.tar.bz2 px4-nuttx-58c30c007b0d51e2ffc6bbc19407ac73436d833e.zip |
Initial USB debug changes
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@2187 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx/arch/arm/src/stm32/stm32_usbdev.c')
-rw-r--r-- | nuttx/arch/arm/src/stm32/stm32_usbdev.c | 31 |
1 files changed, 28 insertions, 3 deletions
diff --git a/nuttx/arch/arm/src/stm32/stm32_usbdev.c b/nuttx/arch/arm/src/stm32/stm32_usbdev.c index fa7e5a56a..51f16416e 100644 --- a/nuttx/arch/arm/src/stm32/stm32_usbdev.c +++ b/nuttx/arch/arm/src/stm32/stm32_usbdev.c @@ -335,9 +335,11 @@ struct stm32_usbdev_s #if defined(CONFIG_STM32_USBDEV_REGDEBUG) && defined(CONFIG_DEBUG) static uint16 stm32_getreg(uint32 addr); static void stm32_putreg(uint16 val, uint32 addr); +static void stm32_checksetup(void); #else # define stm32_getreg(addr) getreg16(addr) # define stm32_putreg(val,addr) putreg16(val,addr) +# define stm32_checksetup() #endif /* Low-Level Helpers ********************************************************/ @@ -567,6 +569,27 @@ static void stm32_putreg(uint16 val, uint32 addr) #endif /**************************************************************************** + * Name: stm32_checksetup + ****************************************************************************/ + +#if defined(CONFIG_STM32_USBDEV_REGDEBUG) && defined(CONFIG_DEBUG) +static void stm32_checksetup(void) +{ + uint32 cfgr = getreg32(STM32_RCC_CFGR); + uint32 apb1rstr = getreg32(STM32_RCC_APB1RSTR); + uint32 apb1enr = getreg32(STM32_RCC_APB1ENR); + + lldbg("CFGR: %08x APB1RSTR: %08x APB1ENR: %08x\n", cfgr, apb1rstr, apb1enr); + + if ((apb1rstr & RCC_APB1RSTR_USBRST) != 0 || + (apb1enr & RCC_APB1ENR_USBEN) == 0) + { + lldbg("ERROR: USB is NOT setup correctly\n"); + } +} +#endif + +/**************************************************************************** * Low-Level Helpers ****************************************************************************/ /**************************************************************************** @@ -1106,7 +1129,7 @@ static int stm32_wrrequest(struct stm32_usbdev_s *priv, struct stm32_ep_s *prive bytesleft = privreq->req.len - privreq->req.xfrd; nbytes = bytesleft; -#warning REVISIT... If the EP supports double buffering, then we can do better +#warning "REVISIT: If the EP supports double buffering, then we can do better" /* Send the next packet */ @@ -2440,6 +2463,7 @@ static int stm32_epconfigure(struct usbdev_ep_s *ep, break; case USB_EP_ATTR_XFER_ISOC: /* Isochronous endpoint */ +#warning "REVISIT: Need to review isochronous EP setup" setting = USB_EPR_EPTYPE_ISOC; break; @@ -2456,7 +2480,7 @@ static int stm32_epconfigure(struct usbdev_ep_s *ep, /* Get the address of the PMA buffer allocated for this endpoint */ -#warning "Should configure BULK EPs using double buffer feature" +#warning "REVISIT: Should configure BULK EPs using double buffer feature" pma = STM32_BUFNO2BUF(privep->bufno); /* Get the maxpacket size of the endpoint. */ @@ -2877,7 +2901,7 @@ static struct usbdev_ep_s *stm32_allocep(struct usbdev_s *dev, ubyte epno, /* Allocate a PMA buffer for this endpoint */ -#warning "Should configure BULK EPs using double buffer feature" +#warning "REVISIT: Should configure BULK EPs using double buffer feature" bufno = stm32_allocpma(priv); if (bufno < 0) { @@ -3134,6 +3158,7 @@ void up_usbinitialize(void) int epno; usbtrace(TRACE_DEVINIT, 0); + stm32_checksetup(); /* Disable the USB controller, disable all USB interrupts */ |