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OSCHINA-MIRROR/notrynohigh-BabyOS

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mcu_ht32f50343_uart.c 3.4 КБ
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notrynohigh Отправлено 7 месяцев назад 3d29428
/**
*!
* \file mcu_ht32f50343_uart.c
* \version v0.0.1
* \date 2020/03/25
* \author Bean(notrynohigh@outlook.com)
*******************************************************************************
* @attention
*
* Copyright (c) 2020 Bean
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SUARTL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*******************************************************************************
*/
/*Includes ----------------------------------------------*/
#include "b_config.h"
#include "hal/inc/b_hal_uart.h"
#if (defined(TH32F50343))
// Register Address
#define UART1_BASE_ADDR (0x40001000)
#define UART2_BASE_ADDR (0x40041000)
typedef struct
{
volatile uint32_t DR; /*!< 0x000 Data Register */
volatile uint32_t CR; /*!< 0x004 Control Register */
volatile uint32_t FCR; /*!< 0x008 FIFO Control Register */
volatile uint32_t IER; /*!< 0x00C Interrupt Enable Register */
volatile uint32_t SR; /*!< 0x010 Status Register */
volatile uint32_t TPR; /*!< 0x014 Timing Parameter Register */
volatile uint32_t ICR; /*!< 0x018 IrDA COntrol Register */
volatile uint32_t RCR; /*!< 0x01C RS485 Control Register */
volatile uint32_t SCR; /*!< 0x020 Synchronous Control Register */
volatile uint32_t DLR; /*!< 0x024 Divisor Latch Register */
volatile uint32_t DTR; /*!< 0x028 Debug/Test Register */
} McuUartReg_t;
#define MCU_UART1 ((McuUartReg_t *)UART1_BASE_ADDR)
#define MCU_UART2 ((McuUartReg_t *)UART2_BASE_ADDR)
static McuUartReg_t *UartTable[2] = {MCU_UART1, MCU_UART2};
int bMcuUartSend(bHalUartNumber_t uart, const uint8_t *pbuf, uint16_t len)
{
int i = 0;
int timeout = 0x000B0000;
McuUartReg_t *pUart = NULL;
if ((uart > B_HAL_UART_2) || pbuf == NULL)
{
return -1;
}
pUart = UartTable[uart];
for (i = 0; i < len; i++)
{
timeout = 0x000B0000;
while (timeout > 0 && ((pUart->SR & (0x1 << 8)) == 0))
{
timeout--;
}
if (timeout <= 0)
{
return -2;
}
pUart->DR = pbuf[i];
}
timeout = 0x000B0000;
while (timeout > 0 && ((pUart->SR & (0x1 << 8)) == 0))
{
timeout--;
}
if (timeout <= 0)
{
return -2;
}
return len;
}
#endif
/************************ Copyright (c) 2020 Bean *****END OF FILE****/

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