tinySA/os/hal/platforms/SPC5xx/FlexCAN_v1/spc5_flexcan.h

443 lines
13 KiB
C
Raw Normal View History

/*
* Licensed under ST Liberty SW License Agreement V2, (the "License");
* You may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.st.com/software_license_agreement_liberty_v2
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* @file FlexCAN_v1/spc5_flexcan.h
* @brief SPC5xx FlexCAN header file.
*
* @addtogroup PWM
* @{
*/
#ifndef _SPC5_FLEXCAN_H_
#define _SPC5_FLEXCAN_H_
/*===========================================================================*/
/* Driver constants. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver pre-compile time settings. */
/*===========================================================================*/
/*===========================================================================*/
/* Derived constants and error checks. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver data structures and types. */
/*===========================================================================*/
/**
* @brief SPC5 FlexCAN registers block.
* @note Redefined from the SPC5 headers because the non uniform
* declaration of the SubModules registers among the various
* sub-families.
*/
struct FLEXCAN_BUFFER_t {
union {
vuint32_t R;
struct {
vuint32_t:4;
vuint32_t CODE:4;
vuint32_t:1;
vuint32_t SRR:1;
vuint32_t IDE:1;
vuint32_t RTR:1;
vuint32_t LENGTH:4;
vuint32_t TIMESTAMP:16;
} B;
} CS;
union {
vuint32_t R;
struct {
vuint32_t PRIO:3;
vuint32_t STD_ID:11;
vuint32_t EXT_ID:18;
} B;
} ID;
union {
/*vuint8_t B[8]; *//* Data buffer in Bytes (8 bits) */
/*vuint16_t H[4]; *//* Data buffer in Half-words (16 bits) */
vuint32_t W[2]; /* Data buffer in words (32 bits) */
/*vuint32_t R[2]; *//* Data buffer in words (32 bits) */
} DATA;
}; /* end of FLEXCAN_BUF_t */
struct FLEXCAN_RXFIFO_BUFFER_t {
union {
vuint32_t R;
struct {
vuint32_t:9;
vuint32_t SRR:1;
vuint32_t IDE:1;
vuint32_t RTR:1;
vuint32_t LENGTH:4;
vuint32_t TIMESTAMP:16;
} B;
} CS;
union {
vuint32_t R;
struct {
vuint32_t:3;
vuint32_t STD_ID:11;
vuint32_t EXT_ID:18;
} B;
} ID;
union {
/*vuint8_t B[8]; *//* Data buffer in Bytes (8 bits) */
/*vuint16_t H[4]; *//* Data buffer in Half-words (16 bits) */
vuint32_t W[2]; /* Data buffer in words (32 bits) */
/*vuint32_t R[2]; *//* Data buffer in words (32 bits) */
} DATA;
uint32_t FLEXCAN_RXFIFO_reserved[20]; /* {0x00E0-0x0090}/0x4 = 0x14 */
union {
vuint32_t R;
} IDTABLE[8];
}; /* end of FLEXCAN_RXFIFO_t */
struct spc5_flexcan {
union {
vuint32_t R;
struct {
vuint32_t MDIS:1;
vuint32_t FRZ:1;
vuint32_t FEN:1;
vuint32_t HALT:1;
vuint32_t NOTRDY:1;
vuint32_t WAKMSK:1;
vuint32_t SOFTRST:1;
vuint32_t FRZACK:1;
vuint32_t SUPV:1;
vuint32_t SLFWAK:1;
vuint32_t WRNEN:1;
vuint32_t LPMACK:1;
vuint32_t WAKSRC:1;
vuint32_t:1;
vuint32_t SRXDIS:1;
vuint32_t BCC:1;
vuint32_t:2;
vuint32_t LPRIO_EN:1;
vuint32_t AEN:1;
vuint32_t:2;
vuint32_t IDAM:2;
vuint32_t:2;
vuint32_t MAXMB:6;
} B;
} MCR; /* Module Configuration Register */
union {
vuint32_t R;
struct {
vuint32_t PRESDIV:8;
vuint32_t RJW:2;
vuint32_t PSEG1:3;
vuint32_t PSEG2:3;
vuint32_t BOFFMSK:1;
vuint32_t ERRMSK:1;
vuint32_t CLKSRC:1;
vuint32_t LPB:1;
vuint32_t TWRNMSK:1;
vuint32_t RWRNMSK:1;
vuint32_t:2;
vuint32_t SMP:1;
vuint32_t BOFFREC:1;
vuint32_t TSYN:1;
vuint32_t LBUF:1;
vuint32_t LOM:1;
vuint32_t PROPSEG:3;
} B;
} CR; /* Control Register */
union {
vuint32_t R;
} TIMER; /* Free Running Timer */
uint32_t FLEXCAN_reserved1;
union {
vuint32_t R;
struct {
vuint32_t MI:32;
} B;
} RXGMASK; /* RX Global Mask */
union {
vuint32_t R;
struct {
vuint32_t MI:32;
} B;
} RX14MASK; /* RX 14 Mask */
union {
vuint32_t R;
struct {
vuint32_t MI:32;
} B;
} RX15MASK; /* RX 15 Mask */
union {
vuint32_t R;
struct {
vuint32_t:16;
vuint32_t RXECNT:8;
vuint32_t TXECNT:8;
} B;
} ECR; /* Error Counter Register */
union {
vuint32_t R;
struct {
vuint32_t:14;
vuint32_t TWRNINT:1;
vuint32_t RWRNINT:1;
vuint32_t BIT1ERR:1;
vuint32_t BIT0ERR:1;
vuint32_t ACKERR:1;
vuint32_t CRCERR:1;
vuint32_t FRMERR:1;
vuint32_t STFERR:1;
vuint32_t TXWRN:1;
vuint32_t RXWRN:1;
vuint32_t IDLE:1;
vuint32_t TXRX:1;
vuint32_t FLTCONF:2;
vuint32_t:1;
vuint32_t BOFFINT:1;
vuint32_t ERRINT:1;
vuint32_t WAKINT:1;
} B;
} ESR; /* Error and Status Register */
union {
vuint32_t R;
struct {
vuint32_t BUF63M:1;
vuint32_t BUF62M:1;
vuint32_t BUF61M:1;
vuint32_t BUF60M:1;
vuint32_t BUF59M:1;
vuint32_t BUF58M:1;
vuint32_t BUF57M:1;
vuint32_t BUF56M:1;
vuint32_t BUF55M:1;
vuint32_t BUF54M:1;
vuint32_t BUF53M:1;
vuint32_t BUF52M:1;
vuint32_t BUF51M:1;
vuint32_t BUF50M:1;
vuint32_t BUF49M:1;
vuint32_t BUF48M:1;
vuint32_t BUF47M:1;
vuint32_t BUF46M:1;
vuint32_t BUF45M:1;
vuint32_t BUF44M:1;
vuint32_t BUF43M:1;
vuint32_t BUF42M:1;
vuint32_t BUF41M:1;
vuint32_t BUF40M:1;
vuint32_t BUF39M:1;
vuint32_t BUF38M:1;
vuint32_t BUF37M:1;
vuint32_t BUF36M:1;
vuint32_t BUF35M:1;
vuint32_t BUF34M:1;
vuint32_t BUF33M:1;
vuint32_t BUF32M:1;
} B;
} IMRH; /* Interruput Masks Register */
union {
vuint32_t R;
struct {
vuint32_t BUF31M:1;
vuint32_t BUF30M:1;
vuint32_t BUF29M:1;
vuint32_t BUF28M:1;
vuint32_t BUF27M:1;
vuint32_t BUF26M:1;
vuint32_t BUF25M:1;
vuint32_t BUF24M:1;
vuint32_t BUF23M:1;
vuint32_t BUF22M:1;
vuint32_t BUF21M:1;
vuint32_t BUF20M:1;
vuint32_t BUF19M:1;
vuint32_t BUF18M:1;
vuint32_t BUF17M:1;
vuint32_t BUF16M:1;
vuint32_t BUF15M:1;
vuint32_t BUF14M:1;
vuint32_t BUF13M:1;
vuint32_t BUF12M:1;
vuint32_t BUF11M:1;
vuint32_t BUF10M:1;
vuint32_t BUF09M:1;
vuint32_t BUF08M:1;
vuint32_t BUF07M:1;
vuint32_t BUF06M:1;
vuint32_t BUF05M:1;
vuint32_t BUF04M:1;
vuint32_t BUF03M:1;
vuint32_t BUF02M:1;
vuint32_t BUF01M:1;
vuint32_t BUF00M:1;
} B;
} IMRL; /* Interruput Masks Register */
union {
vuint32_t R;
struct {
vuint32_t BUF63I:1;
vuint32_t BUF62I:1;
vuint32_t BUF61I:1;
vuint32_t BUF60I:1;
vuint32_t BUF59I:1;
vuint32_t BUF58I:1;
vuint32_t BUF57I:1;
vuint32_t BUF56I:1;
vuint32_t BUF55I:1;
vuint32_t BUF54I:1;
vuint32_t BUF53I:1;
vuint32_t BUF52I:1;
vuint32_t BUF51I:1;
vuint32_t BUF50I:1;
vuint32_t BUF49I:1;
vuint32_t BUF48I:1;
vuint32_t BUF47I:1;
vuint32_t BUF46I:1;
vuint32_t BUF45I:1;
vuint32_t BUF44I:1;
vuint32_t BUF43I:1;
vuint32_t BUF42I:1;
vuint32_t BUF41I:1;
vuint32_t BUF40I:1;
vuint32_t BUF39I:1;
vuint32_t BUF38I:1;
vuint32_t BUF37I:1;
vuint32_t BUF36I:1;
vuint32_t BUF35I:1;
vuint32_t BUF34I:1;
vuint32_t BUF33I:1;
vuint32_t BUF32I:1;
} B;
} IFRH; /* Interruput Flag Register */
union {
vuint32_t R;
struct {
vuint32_t BUF31I:1;
vuint32_t BUF30I:1;
vuint32_t BUF29I:1;
vuint32_t BUF28I:1;
vuint32_t BUF27I:1;
vuint32_t BUF26I:1;
vuint32_t BUF25I:1;
vuint32_t BUF24I:1;
vuint32_t BUF23I:1;
vuint32_t BUF22I:1;
vuint32_t BUF21I:1;
vuint32_t BUF20I:1;
vuint32_t BUF19I:1;
vuint32_t BUF18I:1;
vuint32_t BUF17I:1;
vuint32_t BUF16I:1;
vuint32_t BUF15I:1;
vuint32_t BUF14I:1;
vuint32_t BUF13I:1;
vuint32_t BUF12I:1;
vuint32_t BUF11I:1;
vuint32_t BUF10I:1;
vuint32_t BUF09I:1;
vuint32_t BUF08I:1;
vuint32_t BUF07I:1;
vuint32_t BUF06I:1;
vuint32_t BUF05I:1;
vuint32_t BUF04I:1;
vuint32_t BUF03I:1;
vuint32_t BUF02I:1;
vuint32_t BUF01I:1;
vuint32_t BUF00I:1;
} B;
} IFRL; /* Interruput Flag Register */
uint32_t FLEXCAN_reserved2[19]; /* {0x0080-0x0034}/0x4 = 0x13 */
/****************************************************************************/
/* Use either Standard Buffer Structure OR RX FIFO and Buffer Structure */
/****************************************************************************/
/* Standard Buffer Structure */
struct FLEXCAN_BUFFER_t BUF[64];
/* RX FIFO and Buffer Structure */
/*struct FLEXCAN_RXFIFO_BUFFER_t RXFIFO;
struct FLEXCAN_BUFFER_t BUF[56];*/
/****************************************************************************/
uint32_t FLEXCAN_reserved3[256]; /* {0x0880-0x0480}/0x4 = 0x100 */
union {
vuint32_t R;
struct {
vuint32_t MI:32;
} B;
} RXIMR[64]; /* RX Individual Mask Registers */
}; /* end of FLEXCAN_tag */
/*===========================================================================*/
/* Driver macros. */
/*===========================================================================*/
/**
* @name FlexCAN units references
* @{
*/
#if SPC5_HAS_FLEXCAN0 || defined(__DOXYGEN__)
#define SPC5_FLEXCAN_0 (*(volatile struct spc5_flexcan *)0xFFFC0000UL)
#endif
#if SPC5_HAS_FLEXCAN1 || defined(__DOXYGEN__)
#define SPC5_FLEXCAN_1 (*(volatile struct spc5_flexcan *)0xFFFC4000UL)
#endif
#if SPC5_HAS_FLEXCAN2 || defined(__DOXYGEN__)
#define SPC5_FLEXCAN_2 (*(volatile struct spc5_flexcan *)0xFFFC8000UL)
#endif
#if SPC5_HAS_FLEXCAN3 || defined(__DOXYGEN__)
#define SPC5_FLEXCAN_3 (*(volatile struct spc5_flexcan *)0xFFFCC000UL)
#endif
#if SPC5_HAS_FLEXCAN4 || defined(__DOXYGEN__)
#define SPC5_FLEXCAN_4 (*(volatile struct spc5_flexcan *)0xFFFD0000UL)
#endif
#if SPC5_HAS_FLEXCAN5 || defined(__DOXYGEN__)
#define SPC5_FLEXCAN_5 (*(volatile struct spc5_flexcan *)0xFFFD4000UL)
#endif
/** @} */
#endif /* _SPC5_FLEXCAN_H_ */
/** @} */