154 lines
5.5 KiB
C
154 lines
5.5 KiB
C
/**
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* @copyright 2015 Indie Semiconductor.
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*
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* This file is proprietary to Indie Semiconductor.
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* All rights reserved. Reproduction or distribution, in whole
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* or in part, is forbidden except by express written permission
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* of Indie Semiconductor.
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*
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* @file lin_device.h
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*/
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#ifndef LIN_DEVICE_H__
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#define LIN_DEVICE_H__
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#include <stdint.h>
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#include <stdbool.h>
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#include <meta.h>
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#include "lins_sfr.h"
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#define E_LIN_STATUS_COMPLETE (1U << 0)
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#define E_LIN_STATUS_WAKEUP (1U << 1)
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#define E_LIN_STATUS_ERROR (1U << 2)
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#define E_LIN_STATUS_INT_REQ (1U << 3)
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#define E_LIN_STATUS_DATA_REQ (1U << 4)
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#define E_LIN_STATUS_ABORT (1U << 5)
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#define E_LIN_STATUS_IDLE_TIMEOUT (1U << 6)
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#define E_LIN_STATUS_ACTIVE (1U << 7)
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#define E_LIN_ERROR_BIT (1U << 0)
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#define E_LIN_ERROR_CHECKSUM (1U << 1)
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#define E_LIN_ERROR_TIMEOUT (1U << 2)
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#define E_LIN_ERROR_PARITY (1U << 3)
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#define E_LIN_TIME_INACTIVE_SEC_4 (0U)
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#define E_LIN_TIME_INACTIVE_SEC_6 (1U)
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#define E_LIN_TIME_INACTIVE_SEC_8 (2U)
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#define E_LIN_TIME_INACTIVE_SEC_10 (3U)
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#define E_LIN_TIME_INACTIVE_MAX (3U) /*E_LIN_TIME_INACTIVE_SEC_10*/
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#define E_LIN_TIME_WAKEUP_REPEAT_MS_180 (0U)
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#define E_LIN_TIME_WAKEUP_REPEAT_MS_200 (1U)
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#define E_LIN_TIME_WAKEUP_REPEAT_MS_220 (2U)
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#define E_LIN_TIME_WAKEUP_REPEAT_MS_240 (3U)
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#define E_LIN_TIME_WAKEUP_REPEAT_MAX (3U)/*E_LIN_TIME_WAKEUP_REPEAT_MS_240*/
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#define LIN_RX_FILTER_2_3_us (0U)/* LINS_RX_BIAS_BOOST */
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#define LIN_RX_FILTER_1_3_us (1U)
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#define LIN_RX_FILTER_1_0_us (2U)
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#define LIN_RX_FILTER_0_8_us (3U)
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#define LIN_TX_DRIVE_CURRENT_32_mA (0U)/* pull down capacity */
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#define LIN_TX_DRIVE_CURRENT_48_mA (1U)
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#define LIN_TX_DRIVE_CURRENT_66_mA (2U)
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#define LIN_TX_DRIVE_CURRENT_88_mA (3U)
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#define LIN_TX_DRIVE_CURRENT_101_mA (4U)
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#define LIN_TX_DRIVE_CURRENT_118_mA (5U)
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#define LIN_TX_DRIVE_CURRENT_135_mA (6U)
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#define LIN_TX_DRIVE_CURRENT_151_mA (7U)
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#define LIN_TX_SLEW_RATE_0_6V_PER_US (1U)/* Slew from 40%*Vbat to 60%*Vbat @Vbat=13V,Cbus=1nF */
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#define LIN_TX_SLEW_RATE_1_2V_PER_US (2U)
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#define LIN_TX_SLEW_RATE_1_7V_PER_US (3U)
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#define LIN_TX_SLEW_RATE_2_3V_PER_US (4U)
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#define LIN_TX_SLEW_RATE_2_8V_PER_US (5U)
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#define LIN_TX_SLEW_RATE_3_4V_PER_US (6U)
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#define LIN_TX_SLEW_RATE_5_1V_PER_US (7U)
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#define LIN_BUFF_SIZE 8U
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/* Defines for LIN device to handle message direction. */
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typedef enum{
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LIN_MSG_TYPE_RX = 0U, /*received data from sender for slave; */
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LIN_MSG_TYPE_TX, /*data request from sender for slave; */
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LIN_MSG_TYPE_TX_EVENT, /*event trigger data request from sender for slave; */
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}LinMessageType_t;
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typedef enum{
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E_LIN_BAUDRATE_10417,
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E_LIN_BAUDRATE_19200,
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E_LIN_BAUDRATE_20000,
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}LIN_BaudRate_t;
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#define E_LIN_BAUDRATE_MAX (3U)/*E_LIN_BAUDRATE_20000*/
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typedef enum{
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LIN_CHECKSUM_CLASSIC = 0U, /*!< classic checksum does not include ID Byte. */
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LIN_CHECKSUM_ENHANCED /*!< "enhanced" checksum includes ID Byte. */
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}ChecksumType_t;
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typedef enum{
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AA_SWITCH_OFF = 0U,
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AA_SWITCH_ON,
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}AutoaddressingSwitchState_t;
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/**
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* @brief A structure to represent LIN frame information.
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*/
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typedef struct {
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uint8_t frameTobeHandled :1; /*!< frame ID waiting to be handled */
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uint8_t reverved :7;
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uint8_t frame_id; /*!< frame ID. */
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uint8_t msg_type :2; /*!< Type of message,LinMessageType_t rx,tx or event trigger. */
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uint8_t checksum :1; /*!< Type of checksum (enhanced or classic). */
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uint8_t length :5; /*!< Number of bytes in the data. */
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uint8_t responseValid :1;
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uint8_t frameIsValid :1;
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uint8_t eventTriggered :1; /*!< event triggered when the msg_type is LIN_MSG_TYPE_TX_EVENT */
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uint8_t linkedEventTriggerFidTableIndex :5; /*!< event triggered when the msg_type is LIN_MSG_TYPE_TX_EVENT */
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union{
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uint8_t data[LIN_BUFF_SIZE]; /*!< data buffer. */
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uint16_t data16[LIN_BUFF_SIZE/2];
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uint32_t data32[LIN_BUFF_SIZE/4];
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uint64_t data64;
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};
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} LIN_Device_Frame_t;
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typedef void (*lin_cb_func_t)(LIN_Device_Frame_t const *frame);
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typedef void (*lin_stack_cb_func_t)(void);
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typedef void (*lin_wakeup_cb_func_t)(void);
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void LINS_Init(void);
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void LINS_SetSlaveModuleToSleep(void);
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void LINS_RegisterLINStack_IRQ(lin_stack_cb_func_t callback,lin_wakeup_cb_func_t wakeupCallback);
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#if LIN_STACK_TYPE == LIN_STACK_TYPE_PRIVATE
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typedef void (*ls_DataReqCallback_t)(LIN_Device_Frame_t const *frame);
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typedef void (*ls_DataRspCallback_t)(LIN_Device_Frame_t *const frame);
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typedef void (*ls_SleepReqCallback_t)(void);
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typedef struct{
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ls_DataReqCallback_t dataReqCallback; /* received data from master */
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ls_DataRspCallback_t dataRspCallback; /* send data to master */
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ls_SleepReqCallback_t sleepReqCallback;
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}ls_LinsPrivateFramesCallback_t;
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void LINS_RegisterPrivateServices(LIN_Device_Frame_t *frameTable, uint8_t tableSize, const ls_LinsPrivateFramesCallback_t *pFunCallback);
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uint8_t getmotorrun(void);
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uint16_t getposition(void);
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#endif
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#endif /* __LIN_DEVICE_H__ */
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