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https://github.com/Fishwaldo/bl_mcu_sdk.git
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249 lines
6.9 KiB
C
249 lines
6.9 KiB
C
#ifndef _BFLB_ISO11898_H
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#define _BFLB_ISO11898_H
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#include "bflb_core.h"
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/** @addtogroup LHAL
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* @{
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*/
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/** @addtogroup ISO11898
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* @{
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*/
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#define ISO11898_TIMEOUT (320 * 1000 * 1000)
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#define ISO11898_MODE_NORMAL 0 /*!< normal mode */
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#define ISO11898_MODE_LOOPBACK 1 /*!< loopback mode */
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#define ISO11898_MODE_SILENT 2 /*!< silent mode */
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#define ISO11898_MODE_SILENT_LOOPBACK 3 /*!< loopback combined with silent mode */
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#define ISO11898_SAMPLE_SINGLE 0 /*!< the bus is sampled three times, recommended for low/medium speed buses */
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#define ISO11898_SAMPLE_TRIPLE 1 /*!< the bus is sampled once, recommended for high speed buses */
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#define ISO11898_SJW_1TQ 0 /*!< 1 time quantum */
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#define ISO11898_SJW_2TQ 1 /*!< 2 time quantum */
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#define ISO11898_SJW_3TQ 2 /*!< 3 time quantum */
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#define ISO11898_SJW_4TQ 3 /*!< 4 time quantum */
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#define ISO11898_BS1_1TQ 0 /*!< 1 time quantum */
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#define ISO11898_BS1_2TQ 1 /*!< 2 time quantum */
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#define ISO11898_BS1_3TQ 2 /*!< 3 time quantum */
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#define ISO11898_BS1_4TQ 3 /*!< 4 time quantum */
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#define ISO11898_BS1_5TQ 4 /*!< 5 time quantum */
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#define ISO11898_BS1_6TQ 5 /*!< 6 time quantum */
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#define ISO11898_BS1_7TQ 6 /*!< 7 time quantum */
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#define ISO11898_BS1_8TQ 7 /*!< 8 time quantum */
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#define ISO11898_BS1_9TQ 8 /*!< 9 time quantum */
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#define ISO11898_BS1_10TQ 9 /*!< 10 time quantum */
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#define ISO11898_BS1_11TQ 10 /*!< 11 time quantum */
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#define ISO11898_BS1_12TQ 11 /*!< 12 time quantum */
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#define ISO11898_BS1_13TQ 12 /*!< 13 time quantum */
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#define ISO11898_BS1_14TQ 13 /*!< 14 time quantum */
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#define ISO11898_BS1_15TQ 14 /*!< 15 time quantum */
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#define ISO11898_BS1_16TQ 15 /*!< 16 time quantum */
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#define ISO11898_BS2_1TQ 0 /*!< 1 time quantum */
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#define ISO11898_BS2_2TQ 1 /*!< 2 time quantum */
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#define ISO11898_BS2_3TQ 2 /*!< 3 time quantum */
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#define ISO11898_BS2_4TQ 3 /*!< 4 time quantum */
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#define ISO11898_BS2_5TQ 4 /*!< 5 time quantum */
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#define ISO11898_BS2_6TQ 5 /*!< 6 time quantum */
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#define ISO11898_BS2_7TQ 6 /*!< 7 time quantum */
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#define ISO11898_BS2_8TQ 7 /*!< 8 time quantum */
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#define ISO11898_ID_STANDARD 0 /*!< standard ID */
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#define ISO11898_ID_EXTENDED 1 /*!< extended ID */
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#define ISO11898_RTR_DATA 0 /*!< data frame */
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#define ISO11898_RTR_REMOTE 1 /*!< remote frame */
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/** @defgroup ISO11898_INTSTS iso11898 interrupt status definition
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* @{
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*/
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#define ISO11898_INTSTS_RX (1 << 0)
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#define ISO11898_INTSTS_TX (1 << 1)
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#define ISO11898_INTSTS_ERROR_WARNING (1 << 2)
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#define ISO11898_INTSTS_DATA_OVERRUN (1 << 3)
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#define ISO11898_INTSTS_ERROR_PASSIVE (1 << 5)
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#define ISO11898_INTSTS_ARBITRATION_LOST (1 << 6)
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#define ISO11898_INTSTS_BUS_ERROR (1 << 7)
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/**
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* @}
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*/
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#define ISO11898_STATUS_RX_NOT_EMPTY (1 << 0)
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#define ISO11898_STATUS_RX_OVERRUN (1 << 1)
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#define ISO11898_STATUS_TX_AVAILABLE (1 << 2)
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#define ISO11898_STATUS_TX_COMPLETE (1 << 3)
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#define ISO11898_STATUS_RX_RECEIVING (1 << 4)
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#define ISO11898_STATUS_TX_SENDING (1 << 5)
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#define ISO11898_STATUS_ERROR_COUNTER (1 << 6)
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#define ISO11898_STATUS_BUS_OFF (1 << 7)
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#define ISO11898_FILTER_TYPE_SINGLE 0
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#define ISO11898_FILTER_TYPE_DUAL 1
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struct bflb_iso11898_config_s {
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uint8_t prescaler; /*!< specifies the length of a time quantum, ranges from 1 to 63, tq=tclk*2*(prescaler+1) */
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uint8_t mode; /*!< specifies the CAN operating mode. @ref ISO11898_MODE_XXX */
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uint8_t sample; /*!< specifies the number of sample times. @ref ISO11898_SAMPLE_XXX */
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uint8_t sjw; /*!< specifies the maximum number of time quanta the ISO11898 hardware is allowed to lengthen or shorten a bit to perform resynchronization. @ref ISO11898_SJW_XXX */
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uint8_t bs1; /*!< specifies the number of time quanta in Bit Segment 1. @ref ISO11898_BS1_XXX */
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uint8_t bs2; /*!< specifies the number of time quanta in Bit Segment 2. @ref ISO11898_BS2_XXX */
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};
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struct bflb_iso11898_msg_s {
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uint32_t std_id; /*!< specifies the standard identifier, this parameter can be a value between 0 to 0x7FF */
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uint32_t ext_id; /*!< specifies the extended identifier, this parameter can be a value between 0 to 0x1FFFFFFF */
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uint8_t id_type; /*!< specifies the type of identifier for the message that will be send or received. @ref ISO11898_ID_XXX */
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uint8_t rtr; /*!< specifies the type of frame for the message that will be send or received, @ref ISO11898_RTR_XXX */
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uint8_t dlc; /*!< specifies the length of the frame that will be send or received, this parameter can be a value between 0 to 8 */
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uint8_t data[8]; /*!< contains the data to be send or received, it ranges from 0 to 0xFF */
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};
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struct bflb_iso11898_filter_s {
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uint8_t filter_type;
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uint8_t code0;
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uint8_t code1;
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uint8_t code2;
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uint8_t code3;
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uint8_t mask0;
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uint8_t mask1;
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uint8_t mask2;
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uint8_t mask3;
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};
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @brief
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*
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* @param [in] dev
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* @param [in] config
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*/
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void bflb_iso11898_init(struct bflb_device_s *dev, struct bflb_iso11898_config_s *config);
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/**
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* @brief
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*
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* @param [in] dev
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*/
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void bflb_iso11898_deinit(struct bflb_device_s *dev);
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/**
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* @brief
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*
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* @param [in] dev
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*/
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void bflb_iso11898_abort_send(struct bflb_device_s *dev);
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/**
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* @brief
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*
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* @param [in] dev
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* @param [in] msg
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* @param [in] timeout
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* @return int8_t
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*/
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int8_t bflb_iso11898_send(struct bflb_device_s *dev, struct bflb_iso11898_msg_s *msg, uint32_t timeout);
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/**
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* @brief
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*
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* @param [in] dev
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* @param [in] msg
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* @param [in] timeout
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* @return int8_t
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*/
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int8_t bflb_iso11898_recv(struct bflb_device_s *dev, struct bflb_iso11898_msg_s *msg, uint32_t timeout);
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/**
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* @brief
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*
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* @param [in] dev
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* @param [in] mode
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*/
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void bflb_iso11898_set_mode(struct bflb_device_s *dev, uint8_t mode);
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/**
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* @brief
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*
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* @param [in] dev
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* @return uint8_t
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*/
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uint8_t bflb_iso11898_get_status(struct bflb_device_s *dev);
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/**
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* @brief
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*
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* @param [in] dev
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* @return uint8_t
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*/
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uint8_t bflb_iso11898_get_mode(struct bflb_device_s *dev);
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/**
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* @brief
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*
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* @param [in] dev
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* @param [in] filter
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*/
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void bflb_iso11898_set_filter(struct bflb_device_s *dev, struct bflb_iso11898_filter_s *filter);
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/**
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* @brief
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*
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* @param [in] dev
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* @param [in] mask
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*/
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void bflb_iso11898_txint_mask(struct bflb_device_s *dev, bool mask);
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/**
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* @brief
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*
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* @param [in] dev
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* @param [in] mask
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*/
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void bflb_iso11898_rxint_mask(struct bflb_device_s *dev, bool mask);
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/**
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* @brief
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*
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* @param [in] dev
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* @param [in] mask
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*/
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void bflb_iso11898_errint_mask(struct bflb_device_s *dev, bool mask);
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/**
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* @brief
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*
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* @param [in] dev
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* @return uint32_t
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*/
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uint32_t bflb_iso11898_get_int_status(struct bflb_device_s *dev);
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/**
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* @brief
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*
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* @param [in] dev
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* @param [in] cmd
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* @param [in] arg
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* @return int
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*/
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int bflb_iso11898_feature_control(struct bflb_device_s *dev, int cmd, size_t arg);
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#ifdef __cplusplus
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}
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#endif
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/**
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* @}
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*/
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/**
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* @}
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*/
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#endif
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