rt-thread-official/bsp/phytium/libraries/standalone/drivers/pin/fgpio/fgpio_sinit.c

150 lines
4.3 KiB
C
Raw Blame History

This file contains invisible Unicode characters

This file contains invisible Unicode characters that are indistinguishable to humans but may be processed differently by a computer. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

/*
* 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: fgpio_sinit.c
* Date: 2022-02-10 14:53:42
* LastEditTime: 2022-02-18 08:25:29
* Description:  This files is for GPIO static variables
*
* Modify History:
* Ver   Who        Date         Changes
* ----- ------     --------    --------------------------------------
* 1.0 zhugengyu 2022-3-1 init commit
*/
/***************************** Include Files *********************************/
#include "fparameters.h"
#include "fgpio_hw.h"
#include "fgpio.h"
/************************** Constant Definitions *****************************/
/**************************** Type Definitions *******************************/
/***************** Macros (Inline Functions) Definitions *********************/
/************************** Function Prototypes ******************************/
/************************** Variable Definitions *****************************/
#if defined(FGPIO_VERSION_1) /* FT2000-4, D2000 */
extern const FGpioConfig fgpio_cfg_tbl[FGPIO_NUM];
#elif defined(FGPIO_VERSION_2) /* E2000 GPIO 0 ~ 5 */
extern FGpioConfig fgpio_cfg_tbl[FGPIO_NUM];
#endif
/*****************************************************************************/
#if defined(FGPIO_VERSION_1) /* FT2000-4, D2000 */
/**
* @name: FGpioLookupConfig
* @msg: 获取GPIO控制器的默认配置
* @return {const FGpioConfig *} GPIO控制器的默认配置
* @param {u32} instance_id, GPIO控制器实例号
*/
const FGpioConfig *FGpioLookupConfig(u32 instance_id)
{
const FGpioConfig *ptr = NULL;
u32 index;
for (index = 0; index < FGPIO_NUM; index++)
{
if (fgpio_cfg_tbl[index].instance_id == instance_id)
{
ptr = &fgpio_cfg_tbl[index];
break;
}
}
return ptr;
}
#elif defined(FGPIO_VERSION_2) /* E2000 GPIO 0 ~ 5 */
/**
* @name: FGpioSetIrqNum
* @msg: 设置GPIO控制器各引脚的中断号
* @return {NONE}
* @param {u32} instance_id, GPIO控制器实例号
* @param {FGpioConfig} *ptr, GPIO控制器的默认配置
*/
static void FGpioSetIrqNum(u32 instance_id, FGpioConfig *ptr)
{
u32 pin_id;
u32 irq_num;
if (FGPIO_WITH_PIN_IRQ >= instance_id) /* GPIO 0 ~ 2 */
{
/* each pin has its own interrupt id */
for (pin_id = FGPIO_PIN_0; pin_id < FGPIO_PIN_NUM; pin_id++)
{
ptr->irq_num[pin_id] = FGPIO_PIN_IRQ_NUM_GET(instance_id, pin_id);
}
}
else
{
if (FGPIO_ID_3 == instance_id)
{
irq_num = FGPIO_3_IRQ_NUM;
}
else if (FGPIO_4_IRQ_NUM == instance_id)
{
irq_num = FGPIO_4_IRQ_NUM;
}
else if (FGPIO_5_IRQ_NUM == instance_id)
{
irq_num = FGPIO_5_IRQ_NUM;
}
/* all pins in the controller share the same interrupt id */
for (pin_id = FGPIO_PIN_0; pin_id < FGPIO_PIN_NUM; pin_id++)
{
ptr->irq_num[pin_id] = irq_num;
}
}
return;
}
/**
* @name: FGpioLookupConfig
* @msg: 获取GPIO控制器的默认配置
* @return {const FGpioConfig *} GPIO控制器的默认配置
* @param {u32} instance_id, GPIO控制器实例号
*/
const FGpioConfig *FGpioLookupConfig(u32 instance_id)
{
const FGpioConfig *ptr = NULL;
u32 index;
static boolean irq_num_set = FALSE;
if (FALSE == irq_num_set) /* set irq num in the first time */
{
for (index = 0; index < FGPIO_NUM; index++)
{
FGpioSetIrqNum(index, &fgpio_cfg_tbl[index]);
}
irq_num_set = TRUE;
}
for (index = 0; index < FGPIO_NUM; index++) /* find configs of controller */
{
if (fgpio_cfg_tbl[index].instance_id == instance_id)
{
ptr = &fgpio_cfg_tbl[index];
break;
}
}
return ptr;
}
#endif