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author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2009-10-22 00:11:53 +0000 |
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committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2009-10-22 00:11:53 +0000 |
commit | dde0b1c89a0c536b25f6cf95f267109f4b2881a6 (patch) | |
tree | df49a4f3c09b353545c752203f42960707ca08a8 /nuttx/arch | |
parent | ee03f17c11f74c8592450aad6f3f8f63be22a59f (diff) | |
download | px4-nuttx-dde0b1c89a0c536b25f6cf95f267109f4b2881a6.tar.gz px4-nuttx-dde0b1c89a0c536b25f6cf95f267109f4b2881a6.tar.bz2 px4-nuttx-dde0b1c89a0c536b25f6cf95f267109f4b2881a6.zip |
Misc. mosty USB-related updates
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@2167 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx/arch')
-rw-r--r-- | nuttx/arch/arm/src/stm32/stm32_usbdev.h | 64 |
1 files changed, 47 insertions, 17 deletions
diff --git a/nuttx/arch/arm/src/stm32/stm32_usbdev.h b/nuttx/arch/arm/src/stm32/stm32_usbdev.h index 6bfc005bd..070f9b06f 100644 --- a/nuttx/arch/arm/src/stm32/stm32_usbdev.h +++ b/nuttx/arch/arm/src/stm32/stm32_usbdev.h @@ -52,7 +52,7 @@ /* Endpoint Registers */ -#define STM32_USB_EPR_OFFSET(n) (4*(n)) /* USB endpoint n register (16-bits) */ +#define STM32_USB_EPR_OFFSET(n) ((n) << 2) /* USB endpoint n register (16-bits) */ #define STM32_USB_EP0R_OFFSET 0x0000 /* USB endpoint 0 register (16-bits) */ #define STM32_USB_EP1R_OFFSET 0x0004 /* USB endpoint 1 register (16-bits) */ #define STM32_USB_EP2R_OFFSET 0x0008 /* USB endpoint 2 register (16-bits) */ @@ -72,16 +72,22 @@ /* Buffer Descriptor Table (Relatative to BTABLE address) */ -#define STM32_USB_ADDR_TX_OFFSET ((n)<<4) /* Transmission buffer address n (16-bits) */ -#define STM32_USB_COUNT_TX_OFFSET (((n)<<4)+4) /* Transmission byte count n (16-bits) */ -#define STM32_USB_ADDR_RX_OFFSET (((n)<<4)+8) /* Reception buffer address n (16-bits) */ -#define STM32_USB_COUNT_RX_OFFSET (((n)<<4)+12) /* Reception byte count n (16-bits) */ +#define STM32_USB_ADDR_TX_WOFFSET (0) /* Transmission buffer address n (16-bits) */ +#define STM32_USB_COUNT_TX_WOFFSET) (2) /* Transmission byte count n (16-bits) */ +#define STM32_USB_ADDR_RX_WOFFSET (4) /* Reception buffer address n (16-bits) */ +#define STM32_USB_COUNT_RX_WOFFSET (6) /* Reception byte count n (16-bits) */ + +#define STM32_USB_BTABLE_OFFSET(ep,o) ((((uint32)getreg16(STM32_USB_BTABLE) + ((ep) << 3)) + (o)) << 1) +#define STM32_USB_ADDR_TX_OFFSET(ep) STM32_USB_BTABLE_OFFSET(ep,STM32_USB_ADDR_TX_WOFFSET) +#define STM32_USB_COUNT_TX_OFFSET(ep) STM32_USB_BTABLE_OFFSET(ep,STM32_USB_COUNT_TX_WOFFSET) +#define STM32_USB_ADDR_RX_OFFSET(ep) STM32_USB_BTABLE_OFFSET(ep,STM32_USB_ADDR_RX_WOFFSET) +#define STM32_USB_COUNT_RX_OFFSET(ep) STM32_USB_BTABLE_OFFSET(ep,STM32_USB_COUNT_RX_WOFFSET) /* Register Addresses ***************************************************************/ /* Endpoint Registers */ -#define STM32_USB_EPR(n) (STM32_USB_BASE+STM32_USB_EPR_OFFSET) +#define STM32_USB_EPR(n) (STM32_USB_BASE+STM32_USB_EPR_OFFSET(n)) #define STM32_USB_EP0R (STM32_USB_BASE+STM32_USB_EP0R_OFFSET) #define STM32_USB_EP1R (STM32_USB_BASE+STM32_USB_EP1R_OFFSET) #define STM32_USB_EP2R (STM32_USB_BASE+STM32_USB_EP2R_OFFSET) @@ -99,22 +105,46 @@ #define STM32_USB_DADDR (STM32_USB_BASE+STM32_USB_DADDR_OFFSET) #define STM32_USB_BTABLE (STM32_USB_BASE+STM32_USB_BTABLE_OFFSET) +/* Buffer Descriptor Table (Relatative to BTABLE address) */ + +#define STM32_USB_BTABLE_ADDR(ep,o) (STM32_USBCANRAM_BASE+STM32_USB_BTABLE_OFFSET(ep,o)) +#define STM32_USB_ADDR_TX(ep) STM32_USB_BTABLE_ADDR(ep,STM32_USB_ADDR_TX_WOFFSET) +#define STM32_USB_COUNT_TX(ep) STM32_USB_BTABLE_ADDR(ep,STM32_USB_COUNT_TX_WOFFSET) +#define STM32_USB_ADDR_RX(ep) STM32_USB_BTABLE_ADDR(ep,STM32_USB_ADDR_RX_WOFFSET) +#define STM32_USB_COUNT_RX(ep) STM32_USB_BTABLE_ADDR(ep,STM32_USB_COUNT_RX_WOFFSET) + /* Register Bitfield Definitions ****************************************************/ /* USB endpoint register */ #define USB_EPR_EA_SHIFT (0) /* Bits 3:0 [3:0]: Endpoint Address */ #define USB_EPR_EA_MASK (0X0f << USB_EPR_EA_SHIFT) -#define USB_EPR_STAT_TX_SHIFT (4) /* Bits 5-4: Status bits, for transmission transfers */ -#define USB_EPR_STAT_TX_MASK (3 << USB_EPR_STAT_TX_SHIFT) +#define USB_EPR_STATTX_SHIFT (4) /* Bits 5-4: Status bits, for transmission transfers */ +#define USB_EPR_STATTX_MASK (3 << USB_EPR_STATTX_SHIFT) +# define USB_EPR_STATTX_DIS (0 << USB_EPR_STATTX_SHIFT)) /* EndPoint TX DISabled */ +# define USB_EPR_STATTX_STALL (1 << USB_EPR_STATTX_SHIFT)) /* EndPoint TX STALLed */ +# define USB_EPR_STATTX_NAK (2 << USB_EPR_STATTX_SHIFT)) /* EndPoint TX NAKed */ +# define USB_EPR_STATTX_VALID (3 << USB_EPR_STATTX_SHIFT)) /* EndPoint TX VALID */ +# define USB_EPR_STATTX_DTOG1 (1 << USB_EPR_STATTX_SHIFT)) /* EndPoint TX Data Toggle bit1 */ +# define USB_EPR_STATTX_DTOG2 (2 << USB_EPR_STATTX_SHIFT)) /* EndPoint TX Data Toggle bit2 */ #define USB_EPR_DTOG_TX (1 << 6) /* Bit 6: Data Toggle, for transmission transfers */ #define USB_EPR_CTR_TX (1 << 7) /* Bit 7: Correct Transfer for transmission */ #define USB_EPR_EP_KIND (1 << 8) /* Bit 8: Endpoint Kind */ -#define USB_EPR_EP_TYPE_SHIFT (9) /* Bits 10-9: Endpoint type */ -#define USB_EPR_EP_TYPE_MASK (3 << USB_EPR_EP_TYPE_SHIFT) +#define USB_EPR_EPTYPE_SHIFT (9) /* Bits 10-9: Endpoint type */ +#define USB_EPR_EPTYPE_MASK (3 << USB_EPR_EPTYPE_SHIFT) +# define USB_EPR_EPTYPE_BULK (0 << USB_EPR_EPTYPE_SHIFT) /* EndPoint BULK */ +# define USB_EPR_EPTYPE_CONTROL (1 << USB_EPR_EPTYPE_SHIFT) /* EndPoint CONTROL */ +# define USB_EPR_EPTYPE_ISOC (2 << USB_EPR_EPTYPE_SHIFT) /* EndPoint ISOCHRONOUS */ +# define USB_EPR_EPTYPE_INTERRUPT (3 << USB_EPR_EPTYPE_SHIFT) /* EndPoint INTERRUPT */ #define USB_EPR_SETUP (1 << 11) /* Bit 11: Setup transaction completed */ -#define USB_EPR_STAT_RX_SHIFT (12) /* Bits 13-12: Status bits, for reception transfers */ -#define USB_EPR_STAT_RX_MASK (3 << USB_EPR_STAT_RX_SHIFT) +#define USB_EPR_STATRX_SHIFT (12) /* Bits 13-12: Status bits, for reception transfers */ +#define USB_EPR_STATRX_MASK (3 << USB_EPR_STATRX_SHIFT) +# define USB_EPR_STATRX_DIS (0 << USB_EPR_STATRX_SHIFT)) /* EndPoint RX DISabled */ +# define USB_EPR_STATRX_STALL (1 << USB_EPR_STATRX_SHIFT)) /* EndPoint RX STALLed */ +# define USB_EPR_STATRX_NAK (2 << USB_EPR_STATRX_SHIFT)) /* EndPoint RX NAKed */ +# define USB_EPR_STATRX_VALID (3 << USB_EPR_STATRX_SHIFT)) /* EndPoint RX VALID */ +# define USB_EPR_STATRX_DTOG1 (1 << USB_EPR_STATRX_SHIFT)) /* EndPoint RX Data TOGgle bit1 */ +# define USB_EPR_STATRX_DTOG2 (2 << USB_EPR_STATRX_SHIFT)) /* EndPoint RX Data TOGgle bit1 */ #define USB_EPR_DTOG_RX (1 << 14) /* Bit 14: Data Toggle, for reception transfers */ #define USB_EPR_CTR_RX (1 << 15) /* Bit 15: Correct Transfer for reception */ @@ -122,7 +152,7 @@ #define USB_CNTR_FRES (1 << 0) /* Bit 0: Force USB Reset */ #define USB_CNTR_PDWN (1 << 1) /* Bit 1: Power down */ -#define USB_CNTR_LP_MODE (1 << 2) /* Bit 2: Low-power mode */ +#define USB_CNTR_LPMODE (1 << 2) /* Bit 2: Low-power mode */ #define USB_CNTR_FSUSP (1 << 3) /* Bit 3: Force suspend */ #define USB_CNTR_RESUME (1 << 4) /* Bit 4: Resume request */ #define USB_CNTR_ESOFM (1 << 8) /* Bit 8: Expected Start Of Frame Interrupt Mask */ @@ -131,13 +161,13 @@ #define USB_CNTR_SUSPM (1 << 11) /* Bit 11: Suspend mode Interrupt Mask */ #define USB_CNTR_WKUPM (1 << 12) /* Bit 12: Wakeup Interrupt Mask */ #define USB_CNTR_ERRM (1 << 13) /* Bit 13: Error Interrupt Mask */ -#define USB_CNTR_PMAOVRM (1 << 14) /* Bit 14: Packet Memory Area Over / Underrun Interrupt Mask */ +#define USB_CNTR_DMAOVRN (1 << 14) /* Bit 14: Packet Memory Area Over / Underrun Interrupt Mask */ #define USB_CNTR_CTRM (1 << 15) /* Bit 15: Correct Transfer Interrupt Mask */ /* USB interrupt status register */ -#define USB_ISTR_EP_ID_SHIFT (0) /* Bits 3-0: Endpoint Identifier */ -#define USB_ISTR_EP_ID_MASK (0x0f << USB_ISTR_EP_ID_SHIFT) +#define USB_ISTR_EPID_SHIFT (0) /* Bits 3-0: Endpoint Identifier */ +#define USB_ISTR_EPID_MASK (0x0f << USB_ISTR_EPID_SHIFT) #define USB_ISTR_DIR (1 << 4) /* Bit 4: Direction of transaction */ #define USB_ISTR_ESOF (1 << 8) /* Bit 8: Expected Start Of Frame */ #define USB_ISTR_SOF (1 << 9) /* Bit 9: Start Of Frame */ @@ -145,7 +175,7 @@ #define USB_ISTR_SUSP (1 << 11) /* Bit 11: Suspend mode request */ #define USB_ISTR_WKUP (1 << 12) /* Bit 12: Wake up */ #define USB_ISTR_ERR (1 << 13) /* Bit 13: Error */ -#define USB_ISTR_PMAOVR (1 << 14) /* Bit 14: Packet Memory Area Over / Underrun */ +#define USB_ISTR_DMAOVRN (1 << 14) /* Bit 14: Packet Memory Area Over / Underrun */ #define USB_ISTR_CTR (1 << 15) /* Bit 15: Correct Transfer */ /* USB frame number register */ |