218 lines
9.0 KiB
C
218 lines
9.0 KiB
C
/**
|
|
****************************************************************************************************
|
|
* @file fm33lg0xx_fl_cmu.c
|
|
* @author FMSH Application Team
|
|
* @brief Src file of CMU FL Module
|
|
****************************************************************************************************
|
|
* @attention
|
|
*
|
|
* Copyright (c) [2021] [Fudan Microelectronics]
|
|
* THIS SOFTWARE is licensed under Mulan PSL v2.
|
|
* You can use this software according to the terms and conditions of the Mulan PSL v2.
|
|
* You may obtain a copy of Mulan PSL v2 at:
|
|
* http://license.coscl.org.cn/MulanPSL2
|
|
* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
|
|
* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
|
|
* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
|
|
* See the Mulan PSL v2 for more details.
|
|
*
|
|
****************************************************************************************************
|
|
*/
|
|
/* Includes ------------------------------------------------------------------*/
|
|
#include "fm33lg0xx_fl.h"
|
|
|
|
/** @addtogroup FM33LG0XX_FL_Driver
|
|
* @{
|
|
*/
|
|
|
|
/** @addtogroup U7816
|
|
* @{
|
|
*/
|
|
|
|
#ifdef FL_U7816_DRIVER_ENABLED
|
|
|
|
/* Private macros ------------------------------------------------------------*/
|
|
//配置参数：
|
|
|
|
#define IS_FL_U7816_INSTANCE(INTANCE) ((INTANCE) == U7816)
|
|
|
|
#define IS_FL_U7816_CLOCK_FRQUENCE(__VALUE__) (((__VALUE__) >=1000000)&&\
|
|
((__VALUE__) <= 5000000))
|
|
|
|
#define IS_FL_U7816_TX_PARITHERROR_AUTO_RETRY(__VALUE__) (((__VALUE__) == FL_DISABLE)||\
|
|
((__VALUE__) == FL_ENABLE))
|
|
|
|
#define IS_FL_U7816_RETRY_CNT(__VALUE__) (((__VALUE__) == FL_U7816_RETRY_COUNT_1)||\
|
|
((__VALUE__) == FL_U7816_RETRY_COUNT_3))
|
|
|
|
#define IS_FL_U7816_BLOCKGUARD(__VALUE__) (((__VALUE__) == FL_ENABLE)||\
|
|
((__VALUE__) == FL_DISABLE))
|
|
|
|
#define IS_FL_U7816_PARITH(__VALUE__) (((__VALUE__) == FL_U7816_PARITY_EVEN)||\
|
|
((__VALUE__) == FL_U7816_PARITY_ODD )||\
|
|
((__VALUE__) == FL_U7816_PARITY_ALWAYS_1)||\
|
|
((__VALUE__) == FL_U7816_PARITY_NONE))
|
|
|
|
#define IS_FL_U7816_RX_GUARD(__VALUE__) (((__VALUE__) == FL_U7816_RX_GUARD_TIME_2ETU)||\
|
|
((__VALUE__) == FL_U7816_RX_GUARD_TIME_1ETU))
|
|
|
|
#define IS_FL_U7816_ERROR_GUARD(__VALUE__) (((__VALUE__) == FL_U7816_ERROR_GUARD_TIME_2ETU)||\
|
|
((__VALUE__) == FL_U7816_ERROR_GUARD_TIME_1ETU))
|
|
|
|
#define IS_FL_U7816_ERROR_SIGNALWIDTH(__VALUE__) (((__VALUE__) == FL_U7816_ERROR_SIGNAL_WIDTH_2ETU)||\
|
|
((__VALUE__) == FL_U7816_ERROR_SIGNAL_WIDTH_1P5ETU)||\
|
|
((__VALUE__) == FL_U7816_ERROR_SIGNAL_WIDTH_1ETU))
|
|
|
|
#define IS_FL_U7816_RX_AUTO_ERROR_SIG(__VALUE__) (((__VALUE__) == FL_DISABLE)||\
|
|
((__VALUE__) == FL_ENABLE))
|
|
|
|
#define IS_FL_U7816_BIT_DIRECTION(__VALUE__) (((__VALUE__) == FL_U7816_BIT_ORDER_LSB_FIRST)||\
|
|
((__VALUE__) == FL_U7816_BIT_ORDER_MSB_FIRST))
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
/* Exported functions --------------------------------------------------------*/
|
|
/** @addtogroup U7816_FL_EF_Init
|
|
* @{
|
|
*/
|
|
|
|
/**
|
|
* @brief 复位对应U7816寄存器.
|
|
* @param U7816x
|
|
* @retval ErrorStatus枚举值:
|
|
* -FL_PASS 外设寄存器值恢复复位值
|
|
* -FL_FAIL 未成功执行
|
|
*/
|
|
FL_ErrorStatus FL_U7816_DeInit(U7816_Type *U7816x)
|
|
{
|
|
assert_param(IS_FL_U7816_INSTANCE(U7816x));
|
|
/* 使能外设复位 */
|
|
FL_RMU_EnablePeripheralReset(RMU);
|
|
/* 复位U7816外设寄存器 */
|
|
FL_RMU_EnableResetAPBPeripheral(RMU, FL_RMU_RSTAPB_U7816);
|
|
FL_RMU_DisableResetAPBPeripheral(RMU, FL_RMU_RSTAPB_U7816);
|
|
/* 关闭外设总线时钟与工作时钟 */
|
|
FL_CMU_DisableGroup3BusClock(FL_CMU_GROUP3_BUSCLK_U7816);
|
|
/* 锁定外设复位 */
|
|
FL_RMU_DisablePeripheralReset(RMU);
|
|
return FL_PASS;
|
|
}
|
|
|
|
/**
|
|
* @brief 根据 U7816_InitStruct 的配置信息初始化对应外设入口地址的寄存器值
|
|
* @param U7816x U7816x
|
|
* @param U7816_InitStruct 指向一个 @ref FL_U7816_InitTypeDef 结构体
|
|
* 其中包含了外设的相关配置信息.
|
|
* @retval ErrorStatus枚举值
|
|
* -FL_FAIL 配置过程发生错误
|
|
* -FL_PASS U7816配置成功
|
|
*/
|
|
FL_ErrorStatus FL_U7816_Init(U7816_Type *U7816x, FL_U7816_InitTypeDef *U7816_InitStruct)
|
|
{
|
|
uint32_t Fclk;
|
|
uint32_t tempClkdiv;
|
|
/* 参数检查 */
|
|
assert_param(IS_FL_U7816_INSTANCE(U7816x));
|
|
assert_param(IS_FL_U7816_CLOCK_FRQUENCE(U7816_InitStruct->outputClockFrequency));
|
|
assert_param(IS_FL_U7816_TX_PARITHERROR_AUTO_RETRY(U7816_InitStruct->txAutoRetry));
|
|
assert_param(IS_FL_U7816_RETRY_CNT(U7816_InitStruct->retryCnt));
|
|
assert_param(IS_FL_U7816_BLOCKGUARD(U7816_InitStruct->blockGuard));
|
|
assert_param(IS_FL_U7816_PARITH(U7816_InitStruct->parity));
|
|
assert_param(IS_FL_U7816_RX_GUARD(U7816_InitStruct->rxGuardTime));
|
|
assert_param(IS_FL_U7816_ERROR_GUARD(U7816_InitStruct->errorGuardTime));
|
|
assert_param(IS_FL_U7816_ERROR_SIGNALWIDTH(U7816_InitStruct->errorSignalWidth));
|
|
assert_param(IS_FL_U7816_RX_AUTO_ERROR_SIG(U7816_InitStruct->rxAutoErrorSignal));
|
|
assert_param(IS_FL_U7816_BIT_DIRECTION(U7816_InitStruct->transferOrder));
|
|
/* 时钟使能 */
|
|
FL_CMU_EnableGroup3BusClock(FL_CMU_GROUP3_BUSCLK_U7816);
|
|
/* 卡时钟 */
|
|
Fclk = FL_CMU_GetAPBClockFreq();
|
|
tempClkdiv = Fclk / U7816_InitStruct->outputClockFrequency - 1;
|
|
FL_U7816_WriteClockDivision(U7816x, tempClkdiv);
|
|
/* 发送收到error signal后自动重发 */
|
|
if(U7816_InitStruct->txAutoRetry == FL_ENABLE)
|
|
{
|
|
FL_U7816_EnableTXParityErrorAutoRetry(U7816x);
|
|
}
|
|
else
|
|
{
|
|
FL_U7816_DisableTXParityErrorAutoRetry(U7816x);
|
|
}
|
|
/* 发送失败重试次数 */
|
|
FL_U7816_SetRetryCount(U7816x, U7816_InitStruct->retryCnt);
|
|
/*插入BGT */
|
|
if(U7816_InitStruct->blockGuard == FL_ENABLE)
|
|
{
|
|
FL_U7816_EnableBlockGuardTime(U7816x);
|
|
}
|
|
else
|
|
{
|
|
FL_U7816_DisableBlockGuardTime(U7816x);
|
|
}
|
|
/* 校验位 */
|
|
FL_U7816_SetParity(U7816x, U7816_InitStruct->parity);
|
|
/* 接收一次之间的保护时间单位etu */
|
|
FL_U7816_SetRXGuardTime(U7816x, U7816_InitStruct->rxGuardTime);
|
|
/* 错误之后的保护时间单位etu */
|
|
FL_U7816_SetErrorGuardTime(U7816x, U7816_InitStruct->errorGuardTime);
|
|
/* 错误信号时间 单位etu */
|
|
FL_U7816_SetErrorSignalWidth(U7816x, U7816_InitStruct->errorSignalWidth);
|
|
/* 接收校验错是否自动重发error signal */
|
|
if(U7816_InitStruct->rxAutoErrorSignal == FL_ENABLE)
|
|
{
|
|
FL_U7816_EnableRXParityErrorAutoRetry(U7816x);
|
|
}
|
|
else
|
|
{
|
|
FL_U7816_DisableRXParityErrorAutoRetry(U7816x);
|
|
}
|
|
/* 传输bit方向 */
|
|
FL_U7816_SetBitOrder(U7816x, U7816_InitStruct->transferOrder);
|
|
/* baud */
|
|
FL_U7816_WriteBaudRate(U7816x, U7816_InitStruct->baud);
|
|
/* 额外保护时间单位etu */
|
|
FL_U7816_WriteExtraGuardTime(U7816x, U7816_InitStruct->extraGuardTime);
|
|
return FL_PASS;
|
|
}
|
|
|
|
/**
|
|
* @brief 设置 U7816_InitStruct 为默认配置
|
|
* @param U7816_InitStruct 指向需要将值设置为默认配置的结构体 @ref FL_U7816_InitTypeDef 结构体
|
|
*
|
|
* @retval None
|
|
*/
|
|
|
|
void FL_U7816_StructInit(FL_U7816_InitTypeDef *U7816_InitStruct)
|
|
{
|
|
U7816_InitStruct->outputClockFrequency = 4000000;
|
|
U7816_InitStruct->txAutoRetry = FL_ENABLE;
|
|
U7816_InitStruct->retryCnt = FL_U7816_RETRY_COUNT_1;
|
|
U7816_InitStruct->blockGuard = FL_DISABLE;
|
|
U7816_InitStruct->parity = FL_U7816_PARITY_EVEN;
|
|
U7816_InitStruct->rxGuardTime = FL_U7816_RX_GUARD_TIME_2ETU;
|
|
U7816_InitStruct->errorGuardTime = FL_U7816_ERROR_GUARD_TIME_1ETU;
|
|
U7816_InitStruct->errorSignalWidth = FL_U7816_ERROR_SIGNAL_WIDTH_2ETU;
|
|
U7816_InitStruct->rxAutoErrorSignal = FL_ENABLE;
|
|
U7816_InitStruct->transferOrder = FL_U7816_BIT_ORDER_LSB_FIRST;
|
|
U7816_InitStruct->baud = 372 - 1;
|
|
U7816_InitStruct->extraGuardTime = 0;
|
|
}
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
#endif /* FL_U7816_DRIVER_ENABLED */
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
/********************** (C) COPYRIGHT Fudan Microelectronics **** END OF FILE ***********************/
|