156 lines
6.4 KiB
C
156 lines
6.4 KiB
C
/*
|
||
* Copyright : (C) 2022 Phytium Information Technology, Inc.
|
||
* All Rights Reserved.
|
||
*
|
||
* This program is OPEN SOURCE software: you can redistribute it and/or modify it
|
||
* under the terms of the Phytium Public License as published by the Phytium Technology Co.,Ltd,
|
||
* either version 1.0 of the License, or (at your option) any later version.
|
||
*
|
||
* This program is distributed in the hope that it will be useful,but WITHOUT ANY WARRANTY;
|
||
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
|
||
* See the Phytium Public License for more details.
|
||
*
|
||
*
|
||
* FilePath: fcan_intr.c
|
||
* Date: 2022-02-10 14:53:42
|
||
* LastEditTime: 2022-02-18 08:29:10
|
||
* Description: This files is for the can interrupt functions
|
||
*
|
||
* Modify History:
|
||
* Ver Who Date Changes
|
||
* ----- ------ -------- --------------------------------------
|
||
* 1.0 wangxiaodong 2022/5/26 first release
|
||
* 1.1 zhangyan 2022/12/7 improve functions
|
||
*/
|
||
|
||
#include "fcan.h"
|
||
#include "fcan_hw.h"
|
||
#include "fassert.h"
|
||
#include "ftypes.h"
|
||
#include "fdebug.h"
|
||
|
||
#define FT_CAN_DEBUG_TAG "FT_CAN_INTR"
|
||
#define FCAN_DEBUG(format, ...) FT_DEBUG_PRINT_D(FT_CAN_DEBUG_TAG, format, ##__VA_ARGS__)
|
||
#define FCAN_INFO(format, ...) FT_DEBUG_PRINT_I(FT_CAN_DEBUG_TAG, format, ##__VA_ARGS__)
|
||
#define FCAN_WARN(format, ...) FT_DEBUG_PRINT_W(FT_CAN_DEBUG_TAG, format, ##__VA_ARGS__)
|
||
#define FCAN_ERROR(format, ...) FT_DEBUG_PRINT_E(FT_CAN_DEBUG_TAG, format, ##__VA_ARGS__)
|
||
|
||
#define FCAN_CALL_INTR_EVENT_HANDLDER(instance_p, event) \
|
||
if (instance_p->intr_event[event].handler) \
|
||
instance_p->intr_event[event].handler(instance_p->intr_event[event].param)
|
||
|
||
/**
|
||
* @name: FCanRegisterInterruptHandler
|
||
* @msg: register FCanCtrl interrupt handler function
|
||
* @param {FCanCtrl} *instance_p, pointer to the Can instance
|
||
* @param {FCanIntrEventConfig} *intr_event_p, interrupt event type, handler and parameters
|
||
* @return {*}
|
||
*/
|
||
void FCanRegisterInterruptHandler(FCanCtrl *instance_p, FCanIntrEventConfig *intr_event_p)
|
||
{
|
||
FASSERT(instance_p);
|
||
FASSERT(intr_event_p);
|
||
FCanIntrEventType type = intr_event_p->type;
|
||
FASSERT(intr_event_p->type < FCAN_INTR_EVENT_NUM);
|
||
instance_p->intr_event[type].type = type;
|
||
instance_p->intr_event[type].handler = intr_event_p->handler;
|
||
instance_p->intr_event[type].param = intr_event_p->param;
|
||
}
|
||
|
||
/**
|
||
* @name: FCanIntrHandler
|
||
* @msg: This function is the interrupt handler for the driver.
|
||
* It must be connected to an interrupt system by the application such that it
|
||
* can be called when an interrupt occurs.
|
||
* @param vector Irq num, Don't need attention.
|
||
* @param args contains a pointer to the driver instance
|
||
* @return {*}
|
||
*/
|
||
void FCanIntrHandler(s32 vector, void *args)
|
||
{
|
||
u32 irq_status;
|
||
FCanCtrl *instance_p = (FCanCtrl *)args;
|
||
FCanConfig *config_p;
|
||
FASSERT(instance_p != NULL);
|
||
FASSERT(instance_p->is_ready == FT_COMPONENT_IS_READY);
|
||
config_p = &instance_p->config;
|
||
irq_status = FCAN_READ_REG32(config_p->base_address, FCAN_INTR_OFFSET);
|
||
|
||
if (0 == irq_status)
|
||
{
|
||
return;
|
||
}
|
||
|
||
/* Check for the type of interrupt and Processing it */
|
||
if (irq_status & FCAN_INTR_TEIS_MASK)
|
||
{
|
||
irq_status &= ~FCAN_INTR_REIS_MASK;
|
||
FCAN_SETBIT(config_p->base_address, FCAN_INTR_OFFSET,
|
||
FCAN_INTR_TEIC_MASK | FCAN_INTR_REIC_MASK);
|
||
FCAN_CLEARBIT(config_p->base_address, FCAN_CTRL_OFFSET, FCAN_CTRL_XFER_MASK);
|
||
FCAN_SETBIT(config_p->base_address, FCAN_CTRL_OFFSET, FCAN_CTRL_TXREQ_MASK);
|
||
FCAN_SETBIT(config_p->base_address, FCAN_CTRL_OFFSET, FCAN_CTRL_XFER_MASK);
|
||
|
||
FCAN_CALL_INTR_EVENT_HANDLDER(instance_p, FCAN_INTR_EVENT_SEND);
|
||
}
|
||
|
||
if (irq_status & (FCAN_INTR_EIS_MASK | FCAN_INTR_RFIS_MASK | FCAN_INTR_TFIS_MASK |
|
||
FCAN_INTR_BOIS_MASK | FCAN_INTR_PEIS_MASK | FCAN_INTR_PWIS_MASK))
|
||
{
|
||
FCAN_SETBIT(config_p->base_address, FCAN_INTR_OFFSET,
|
||
(FCAN_INTR_EIC_MASK | FCAN_INTR_RFIC_MASK | FCAN_INTR_BOIC_MASK |
|
||
FCAN_INTR_PEIC_MASK | FCAN_INTR_PWIC_MASK | FCAN_INTR_TFIC_MASK));
|
||
|
||
/* Check for rx fifo full interrupt and output error information */
|
||
if (irq_status & FCAN_INTR_RFIS_MASK)
|
||
{
|
||
FCAN_CALL_INTR_EVENT_HANDLDER(instance_p, FCAN_INTR_EVENT_FIFOFULL);
|
||
FCAN_ERROR("rx_fifo is full!!!");
|
||
/* disable rx fifo full interrupt */
|
||
FCAN_CLEARBIT(config_p->base_address, FCAN_INTR_OFFSET, FCAN_INTR_RFIE_MASK);
|
||
}
|
||
if (irq_status & FCAN_INTR_TFIS_MASK)
|
||
{
|
||
FCAN_CALL_INTR_EVENT_HANDLDER(instance_p, FCAN_INTR_EVENT_FIFOEMPTY);
|
||
FCAN_ERROR("tx_fifo is empty!!!");
|
||
/* disable tx fifo empty interrupt */
|
||
FCAN_CLEARBIT(config_p->base_address, FCAN_INTR_OFFSET, FCAN_INTR_TFIE_MASK);
|
||
}
|
||
if (irq_status & FCAN_INTR_EIS_MASK)
|
||
{
|
||
FCAN_CALL_INTR_EVENT_HANDLDER(instance_p, FCAN_INTR_EVENT_ERROR);
|
||
FCAN_ERROR("Error occurred!!!");
|
||
/* disable error interrupt */
|
||
FCAN_CLEARBIT(config_p->base_address, FCAN_INTR_OFFSET, FCAN_INTR_EIE_MASK);
|
||
}
|
||
if (irq_status & FCAN_INTR_BOIS_MASK)
|
||
{
|
||
FCAN_CALL_INTR_EVENT_HANDLDER(instance_p, FCAN_INTR_EVENT_BUSOFF);
|
||
FCAN_ERROR("Bus off!!!");
|
||
/* disable busoff interrupt */
|
||
FCAN_CLEARBIT(config_p->base_address, FCAN_INTR_OFFSET, FCAN_INTR_BOIE_MASK);
|
||
}
|
||
if (irq_status & FCAN_INTR_PEIS_MASK)
|
||
{
|
||
FCAN_CALL_INTR_EVENT_HANDLDER(instance_p, FCAN_INTR_EVENT_PERROE);
|
||
FCAN_ERROR("Passive error occurred!!!");
|
||
/* disable passive error interrupt */
|
||
FCAN_CLEARBIT(config_p->base_address, FCAN_INTR_OFFSET, FCAN_INTR_PEIE_MASK);
|
||
}
|
||
if (irq_status & FCAN_INTR_PWIS_MASK)
|
||
{
|
||
FCAN_CALL_INTR_EVENT_HANDLDER(instance_p, FCAN_INTR_EVENT_PWARN);
|
||
FCAN_ERROR("Passive warning!!!");
|
||
/* disable passive warning interrupt */
|
||
FCAN_CLEARBIT(config_p->base_address, FCAN_INTR_OFFSET, FCAN_INTR_PWIE_MASK);
|
||
}
|
||
}
|
||
|
||
if (irq_status & FCAN_INTR_REIS_MASK)
|
||
{
|
||
FCAN_SETBIT(config_p->base_address, FCAN_INTR_OFFSET, FCAN_INTR_REIE_MASK);
|
||
FCAN_SETBIT(config_p->base_address, FCAN_INTR_OFFSET, FCAN_INTR_REIC_MASK);
|
||
FCAN_CALL_INTR_EVENT_HANDLDER(instance_p, FCAN_INTR_EVENT_RECV);
|
||
}
|
||
}
|