2022-05-31 11:53:56 +08:00
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/*
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* Copyright (c) 2006-2022, RT-Thread Development Team
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* Copyright (c) 2022, Xiaohua Semiconductor Co., Ltd.
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2022-04-28 CDT first version
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*/
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#include <rtdevice.h>
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#include "board_config.h"
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/**
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* The below functions will initialize HC32 board.
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*/
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#if defined RT_USING_SERIAL
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rt_err_t rt_hw_board_uart_init(CM_USART_TypeDef *USARTx)
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{
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rt_err_t result = RT_EOK;
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switch ((rt_uint32_t)USARTx)
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{
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2022-06-08 23:29:32 +08:00
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#if defined(BSP_USING_UART1)
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case (rt_uint32_t)CM_USART1:
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/* Configure USART RX/TX pin. */
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GPIO_SetFunc(USART1_RX_PORT, USART1_RX_PIN, GPIO_FUNC_33);
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GPIO_SetFunc(USART1_TX_PORT, USART1_TX_PIN, GPIO_FUNC_32);
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break;
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#endif
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#if defined(BSP_USING_UART2)
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case (rt_uint32_t)CM_USART2:
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/* Configure USART RX/TX pin. */
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GPIO_SetFunc(USART2_RX_PORT, USART2_RX_PIN, GPIO_FUNC_37);
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GPIO_SetFunc(USART2_TX_PORT, USART2_TX_PIN, GPIO_FUNC_36);
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break;
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#endif
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#if defined(BSP_USING_UART3)
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case (rt_uint32_t)CM_USART3:
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/* Configure USART RX/TX pin. */
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GPIO_SetFunc(USART3_RX_PORT, USART3_RX_PIN, GPIO_FUNC_33);
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GPIO_SetFunc(USART3_TX_PORT, USART3_TX_PIN, GPIO_FUNC_32);
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break;
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#endif
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2022-05-31 11:53:56 +08:00
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#if defined(BSP_USING_UART4)
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case (rt_uint32_t)CM_USART4:
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/* Configure USART RX/TX pin. */
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GPIO_SetFunc(USART4_RX_PORT, USART4_RX_PIN, GPIO_FUNC_37);
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GPIO_SetFunc(USART4_TX_PORT, USART4_TX_PIN, GPIO_FUNC_36);
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break;
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#endif
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default:
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result = -RT_ERROR;
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break;
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}
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return result;
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}
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#endif
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2022-06-08 12:10:58 +08:00
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#if defined(RT_USING_CAN)
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void CanPhyEnable(void)
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{
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GPIO_ResetPins(CAN_STB_PORT, CAN_STB_PIN);
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GPIO_OutputCmd(CAN_STB_PORT, CAN_STB_PIN, ENABLE);
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}
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rt_err_t rt_hw_board_can_init(CM_CAN_TypeDef *CANx)
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{
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rt_err_t result = RT_EOK;
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switch ((rt_uint32_t)CANx)
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{
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#if defined(BSP_USING_CAN1)
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case (rt_uint32_t)CM_CAN:
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GPIO_SetFunc(CAN1_TX_PORT, CAN1_TX_PIN, CAN1_TX_PIN_FUNC);
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GPIO_SetFunc(CAN1_RX_PORT, CAN1_RX_PIN, CAN1_RX_PIN_FUNC);
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break;
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#endif
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default:
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result = -RT_ERROR;
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break;
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}
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return result;
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}
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#endif
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