133 lines
4.7 KiB
C
133 lines
4.7 KiB
C
/*
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* Copyright : (C) 2022 Phytium Information Technology, Inc.
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* All Rights Reserved.
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*
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* This program is OPEN SOURCE software: you can redistribute it and/or modify it
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* under the terms of the Phytium Public License as published by the Phytium Technology Co.,Ltd,
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* either version 1.0 of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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* See the Phytium Public License for more details.
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*
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*
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* FilePath: fspim_intr.c
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* Date: 2022-02-10 14:53:42
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* LastEditTime: 2022-02-18 09:08:10
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* Description: This files is for
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*
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* Modify History:
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* Ver Who Date Changes
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* ----- ------ -------- --------------------------------------
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* 1.0 zhugengyu 2021-12-3 init commit
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* 1.1 zhugengyu 2022-4-15 support test mode
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*/
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/***************************** Include Files *********************************/
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#include <string.h>
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#include "fio.h"
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#include "ferror_code.h"
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#include "ftypes.h"
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#include "fassert.h"
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#include "fdebug.h"
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#include "fspim_hw.h"
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#include "fspim.h"
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/************************** Constant Definitions *****************************/
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/**************************** Type Definitions *******************************/
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/***************** Macros (Inline Functions) Definitions *********************/
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/* be very careful to use print log in intrrupt handler */
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#define FSPIM_DEBUG_TAG "SPIM-INTR"
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#define FSPIM_ERROR(format, ...) FT_DEBUG_PRINT_E(FSPIM_DEBUG_TAG, format, ##__VA_ARGS__)
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#define FSPIM_WARN(format, ...) FT_DEBUG_PRINT_W(FSPIM_DEBUG_TAG, format, ##__VA_ARGS__)
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#define FSPIM_INFO(format, ...) FT_DEBUG_PRINT_I(FSPIM_DEBUG_TAG, format, ##__VA_ARGS__)
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#define FSPIM_DEBUG(format, ...) FT_DEBUG_PRINT_D(FSPIM_DEBUG_TAG, format, ##__VA_ARGS__)
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#define FSPIM_CALL_INTR_EVT_HANDLDER(instance_p, evt) \
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if (instance_p->evt_handler[evt]) \
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instance_p->evt_handler[evt](instance_p, instance_p->evt_param[evt])
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/************************** Function Prototypes ******************************/
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extern void FSpimFifoTx(FSpim *instance_p);
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extern void FSpimFifoRx(FSpim *instance_p);
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extern FError FSpimReset(FSpim *instance_p);
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/************************** Variable Definitions *****************************/
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/*****************************************************************************/
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/**
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* @name: FSpimInterruptHandler
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* @msg: SPIM中断处理函数
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* @return {无}
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* @param {s32} vector，中断向量号，此处不关心此参数
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* @param {void} *param, 中断输入参数, 指向FSPIM的驱动控制实例
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*/
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void FSpimInterruptHandler(s32 vector, void *param)
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{
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FASSERT(param);
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FSpim *instance_p = (FSpim *)param;
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uintptr base_addr = instance_p->config.base_addr;
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u32 intr_status = FSPIM_RIS_R_ALL_BITS & FSPIM_READ_REG32(base_addr, FSPIM_RIS_R_OFFSET);
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if (0 == intr_status)
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{
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return;
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}
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if ((FSPIM_RIS_R_TXOIR | FSPIM_RIS_R_RXOIR | FSPIM_RIS_R_RXUIR) & intr_status) /* 发送FIFO溢出 */
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{
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FSPIM_WARN("Fifo overflow or underflow");
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if (FSPIM_RIS_R_TXOIR & intr_status)
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{
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FSPIM_CALL_INTR_EVT_HANDLDER(instance_p, FSPIM_INTR_EVT_TX_OVERFLOW);
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}
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if (FSPIM_RIS_R_RXUIR & intr_status)
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{
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FSPIM_CALL_INTR_EVT_HANDLDER(instance_p, FSPIM_INTR_EVT_RX_UNDERFLOW);
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}
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if (FSPIM_RIS_R_RXOIR & intr_status)
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{
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FSPIM_CALL_INTR_EVT_HANDLDER(instance_p, FSPIM_INTR_EVT_RX_OVERFLOW);
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}
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FSpimReset(instance_p);
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return;
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}
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FSpimFifoRx(instance_p); /* 检查 RX Fifo是否为空，如果不为空则接收数据 */
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if (instance_p->rx_buff_end == instance_p->rx_buff) /* RX 缓冲区已满，停止填入发送数据 */
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{
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FSpimMaskIrq(base_addr, FSPIM_IMR_TXEIS);
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FSPIM_CALL_INTR_EVT_HANDLDER(instance_p, FSPIM_INTR_EVT_RX_DONE);
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return;
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}
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if (FSPIM_RIS_R_TXEIR & intr_status) /* TX Fifo为空，填入待发送数据 */
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{
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FSpimMaskIrq(base_addr, FSPIM_IMR_TXEIS);
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FSpimFifoTx(instance_p);
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FSpimUmaskIrq(base_addr, FSPIM_IMR_TXEIS);
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}
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return;
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}
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/**
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* @name: FSpimRegisterIntrruptHandler
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* @msg: 注册FSPIM中断事件处理函数
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* @return {*}
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* @param {FI2c} *instance_p
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* @param {u32} evt
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* @param {FI2cEvtHandler} handler
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*/
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void FSpimRegisterIntrruptHandler(FSpim *instance_p, FSpimIntrEvtType evt, FSpimEvtHandler handler, void *param)
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{
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FASSERT(instance_p && evt < FSPIM_INTR_EVT_NUM);
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instance_p->evt_handler[evt] = handler;
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instance_p->evt_param[evt] = param;
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} |