579 lines
16 KiB
C
579 lines
16 KiB
C
/*
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* Copyright (C) 2018 Shanghai Eastsoft Microelectronics Co., Ltd.
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed under the Apache License, Version 2.0 (the License); you may
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* not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an AS IS BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* Change Logs:
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* Date Author Notes
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* 2019-01-23 wangyq the first version
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* 2019-11-01 wangyq update libraries
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* 2021-04-20 liuhy the second version
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*/
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#include <rthw.h>
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#include <rtthread.h>
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#include <rtdevice.h>
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#include "board.h"
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#include "es_conf_info_uart.h"
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#ifdef RT_USING_SERIAL
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/* es32 uart driver */
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struct es32_uart
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{
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uart_handle_t huart;
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IRQn_Type irq;
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};
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/* es32 usart driver */
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struct es32_usart
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{
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usart_handle_t huart;
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IRQn_Type irq;
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};
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#ifdef BSP_USING_UART0
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/* UART0 device driver structure */
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struct es32_uart uart0 =
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{
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{UART0},
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UART0_IRQn
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};
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struct rt_serial_device serial0;
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void UART0_Handler(void)
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{
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/* enter interrupt */
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rt_interrupt_enter();
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if (UART0->RIF & 0x01)
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{
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rt_hw_serial_isr(&serial0, RT_SERIAL_EVENT_RX_IND);
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}
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/* leave interrupt */
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rt_interrupt_leave();
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}
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#endif /* BSP_USING_UART0 */
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#ifdef BSP_USING_UART1
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/* UART1 device driver structure */
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struct es32_uart uart1 =
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{
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{UART1},
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UART1_IRQn
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};
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struct rt_serial_device serial1;
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void UART1_Handler(void)
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{
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/* enter interrupt */
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rt_interrupt_enter();
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if (UART1->RIF & 0x01)
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{
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rt_hw_serial_isr(&serial1, RT_SERIAL_EVENT_RX_IND);
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}
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/* leave interrupt */
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rt_interrupt_leave();
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}
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#endif /* BSP_USING_UART1 */
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#ifdef BSP_USING_UART2
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/* UART2 device driver structure */
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struct es32_uart uart2 =
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{
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{UART2},
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BS16T1_UART2_IRQn
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};
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struct rt_serial_device serial2;
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void BS16T1_UART2_Handler(void)
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{
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/* enter interrupt */
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rt_interrupt_enter();
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if (UART2->RIF & 0x01)
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{
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rt_hw_serial_isr(&serial2, RT_SERIAL_EVENT_RX_IND);
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}
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/* leave interrupt */
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rt_interrupt_leave();
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}
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#endif /* BSP_USING_UART2 */
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#ifdef BSP_USING_UART3
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/* UART3 device driver structure */
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struct es32_uart uart3 =
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{
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{UART3},
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BS16T2_UART3_IRQn
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};
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struct rt_serial_device serial3;
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void BS16T2_UART3_Handler(void)
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{
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/* enter interrupt */
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rt_interrupt_enter();
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if (UART3->RIF & 0x01)
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{
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rt_hw_serial_isr(&serial3, RT_SERIAL_EVENT_RX_IND);
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}
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/* leave interrupt */
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rt_interrupt_leave();
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}
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#endif /* BSP_USING_UART3 */
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#ifdef BSP_USING_USART0
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/* USART0 device driver structure */
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struct es32_usart usart0 =
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{
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{USART0},
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USART0_IRQn
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};
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struct rt_serial_device serial4;
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void USART0_Handler(void)
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{
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/* enter interrupt */
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rt_interrupt_enter();
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if (USART0->STAT & USART_FLAG_RXNE)
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{
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rt_hw_serial_isr(&serial4, RT_SERIAL_EVENT_RX_IND);
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}
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/* leave interrupt */
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rt_interrupt_leave();
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}
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#endif /* BSP_USING_USART0 */
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#ifdef BSP_USING_USART1
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/* USART1 device driver structure */
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struct es32_usart usart1 =
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{
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{USART1},
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USART1_IRQn
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};
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struct rt_serial_device serial5;
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void USART1_Handler(void)
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{
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/* enter interrupt */
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rt_interrupt_enter();
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if (USART1->STAT & USART_FLAG_RXNE)
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{
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rt_hw_serial_isr(&serial5, RT_SERIAL_EVENT_RX_IND);
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}
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/* leave interrupt */
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rt_interrupt_leave();
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}
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#endif /* BSP_USING_USART1 */
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static rt_err_t es32f0x_configure(struct rt_serial_device *serial, struct serial_configure *cfg)
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{
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gpio_init_t gpio_initstructure;
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struct es32_uart *uart;
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RT_ASSERT(serial != RT_NULL);
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RT_ASSERT(cfg != RT_NULL);
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uart = (struct es32_uart *)serial->parent.user_data;
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/* Initialize tx pin */
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gpio_initstructure.mode = GPIO_MODE_OUTPUT;
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gpio_initstructure.odos = GPIO_PUSH_PULL;
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gpio_initstructure.pupd = GPIO_PUSH_UP;
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gpio_initstructure.odrv = GPIO_OUT_DRIVE_NORMAL;
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gpio_initstructure.flt = GPIO_FILTER_DISABLE;
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gpio_initstructure.type = GPIO_TYPE_TTL;
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if((uint32_t)(uart->huart.perh) > (uint32_t)UART3) /*根据外设物理地址区分UART和USART*/
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{
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/*USART*/
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struct es32_usart *usart= (struct es32_usart *)serial->parent.user_data;
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#ifdef BSP_USING_USART0
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if(usart == (&usart0))
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{
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#if defined(ES_USART0_TX_GPIO_FUNC)&&defined(ES_USART0_TX_GPIO_PORT)&&defined(ES_USART0_TX_GPIO_PIN)
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gpio_initstructure.func = ES_USART0_TX_GPIO_FUNC;
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ald_gpio_init(ES_USART0_TX_GPIO_PORT, ES_USART0_TX_GPIO_PIN, &gpio_initstructure);
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#endif
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#if defined(ES_USART0_RX_GPIO_FUNC)&&defined(ES_USART0_RX_GPIO_PORT)&&defined(ES_USART0_RX_GPIO_PIN)
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/* Initialize rx pin ,the same as txpin except mode */
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gpio_initstructure.mode = GPIO_MODE_INPUT;
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gpio_initstructure.func = ES_USART0_RX_GPIO_FUNC;
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ald_gpio_init(ES_USART0_RX_GPIO_PORT, ES_USART0_RX_GPIO_PIN, &gpio_initstructure);
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#endif
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ald_cmu_perh_clock_config(CMU_PERH_USART0, ENABLE);
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}
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#endif /* usart0 gpio init */
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#ifdef BSP_USING_USART1
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if(usart == (&usart1))
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{
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#if defined(ES_USART1_TX_GPIO_FUNC)&&defined(ES_USART1_TX_GPIO_PORT)&&defined(ES_USART1_TX_GPIO_PIN)
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gpio_initstructure.func = ES_USART1_TX_GPIO_FUNC;
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ald_gpio_init(ES_USART1_TX_GPIO_PORT, ES_USART1_TX_GPIO_PIN, &gpio_initstructure);
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#endif
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#if defined(ES_USART1_RX_GPIO_FUNC)&&defined(ES_USART1_RX_GPIO_PORT)&&defined(ES_USART1_RX_GPIO_PIN)
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/* Initialize rx pin ,the same as txpin except mode */
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gpio_initstructure.mode = GPIO_MODE_INPUT;
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gpio_initstructure.func = ES_USART1_RX_GPIO_FUNC;
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ald_gpio_init(ES_USART1_RX_GPIO_PORT, ES_USART1_RX_GPIO_PIN, &gpio_initstructure);
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#endif
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ald_cmu_perh_clock_config(CMU_PERH_USART1, ENABLE);
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}
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#endif /* usart1 gpio init */
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usart->huart.init.mode = USART_MODE_TX_RX;
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usart->huart.init.baud = cfg->baud_rate;
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usart->huart.init.word_length = (usart_word_length_t)(cfg->data_bits - 8);
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usart->huart.init.stop_bits = ((cfg->stop_bits == STOP_BITS_1) ? USART_STOP_BITS_1 : USART_STOP_BITS_2);
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usart->huart.init.parity = (usart_parity_t)(cfg->parity == PARITY_NONE ? cfg->parity : (4 - cfg->parity) );
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usart->huart.init.fctl = USART_HW_FLOW_CTL_NONE;
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ald_usart_init(&usart->huart);
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/*
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BIT_ORDER_LSB BIT_ORDER_MSB
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NRZ_NORMAL NRZ_INVERTED
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无相关寄存器*/
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/* enable rx int */
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ald_usart_interrupt_config(&usart->huart, USART_IT_RXNE, ENABLE);
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}
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else
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{
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/*UART*/
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#ifdef BSP_USING_UART0
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if(uart == (&uart0))
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{
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#if defined(ES_UART0_TX_GPIO_FUNC)&&defined(ES_UART0_TX_GPIO_PORT)&&defined(ES_UART0_TX_GPIO_PIN)
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gpio_initstructure.func = ES_UART0_TX_GPIO_FUNC;
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ald_gpio_init(ES_UART0_TX_GPIO_PORT, ES_UART0_TX_GPIO_PIN, &gpio_initstructure);
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#endif
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#if defined(ES_UART0_RX_GPIO_FUNC)&&defined(ES_UART0_RX_GPIO_PORT)&&defined(ES_UART0_RX_GPIO_PIN)
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/* Initialize rx pin ,the same as txpin except mode */
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gpio_initstructure.mode = GPIO_MODE_INPUT;
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gpio_initstructure.func = ES_UART0_RX_GPIO_FUNC;
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ald_gpio_init(ES_UART0_RX_GPIO_PORT, ES_UART0_RX_GPIO_PIN, &gpio_initstructure);
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#endif
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ald_cmu_perh_clock_config(CMU_PERH_UART0, ENABLE);
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}
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#endif /* uart0 gpio init */
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#ifdef BSP_USING_UART1
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if(uart == (&uart1))
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{
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#if defined(ES_UART1_TX_GPIO_FUNC)&&defined(ES_UART1_TX_GPIO_PORT)&&defined(ES_UART1_TX_GPIO_PIN)
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gpio_initstructure.func = ES_UART1_TX_GPIO_FUNC;
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ald_gpio_init(ES_UART1_TX_GPIO_PORT, ES_UART1_TX_GPIO_PIN, &gpio_initstructure);
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#endif
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#if defined(ES_UART1_RX_GPIO_FUNC)&&defined(ES_UART1_RX_GPIO_PORT)&&defined(ES_UART1_RX_GPIO_PIN)
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/* Initialize rx pin ,the same as txpin except mode */
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gpio_initstructure.mode = GPIO_MODE_INPUT;
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gpio_initstructure.func = ES_UART1_RX_GPIO_FUNC;
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ald_gpio_init(ES_UART1_RX_GPIO_PORT, ES_UART1_RX_GPIO_PIN, &gpio_initstructure);
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#endif
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ald_cmu_perh_clock_config(CMU_PERH_UART1, ENABLE);
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}
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#endif /* uart1 gpio init */
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#ifdef BSP_USING_UART2
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if(uart == (&uart2))
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{
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#if defined(ES_UART2_TX_GPIO_FUNC)&&defined(ES_UART2_TX_GPIO_PORT)&&defined(ES_UART2_TX_GPIO_PIN)
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gpio_initstructure.func = ES_UART2_TX_GPIO_FUNC;
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ald_gpio_init(ES_UART2_TX_GPIO_PORT, ES_UART2_TX_GPIO_PIN, &gpio_initstructure);
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#endif
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#if defined(ES_UART2_RX_GPIO_FUNC)&&defined(ES_UART2_RX_GPIO_PORT)&&defined(ES_UART2_RX_GPIO_PIN)
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/* Initialize rx pin ,the same as txpin except mode */
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gpio_initstructure.mode = GPIO_MODE_INPUT;
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gpio_initstructure.func = ES_UART2_RX_GPIO_FUNC;
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ald_gpio_init(ES_UART2_RX_GPIO_PORT, ES_UART2_RX_GPIO_PIN, &gpio_initstructure);
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#endif
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ald_cmu_perh_clock_config(CMU_PERH_UART2, ENABLE);
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}
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#endif /* uart2 gpio init */
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#ifdef BSP_USING_UART3
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if(uart == (&uart3))
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{
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#if defined(ES_UART3_TX_GPIO_FUNC)&&defined(ES_UART3_TX_GPIO_PORT)&&defined(ES_UART3_TX_GPIO_PIN)
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gpio_initstructure.func = ES_UART3_TX_GPIO_FUNC;
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ald_gpio_init(ES_UART3_TX_GPIO_PORT, ES_UART3_TX_GPIO_PIN, &gpio_initstructure);
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#endif
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#if defined(ES_UART3_RX_GPIO_FUNC)&&defined(ES_UART3_RX_GPIO_PORT)&&defined(ES_UART3_RX_GPIO_PIN)
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/* Initialize rx pin ,the same as txpin except mode */
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gpio_initstructure.mode = GPIO_MODE_INPUT;
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gpio_initstructure.func = ES_UART3_RX_GPIO_FUNC;
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ald_gpio_init(ES_UART3_RX_GPIO_PORT, ES_UART3_RX_GPIO_PIN, &gpio_initstructure);
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#endif
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ald_cmu_perh_clock_config(CMU_PERH_UART3, ENABLE);
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}
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#endif /* uart3 gpio init */
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uart->huart.init.mode = UART_MODE_UART;
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uart->huart.init.baud = cfg->baud_rate;
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uart->huart.init.word_length = (uart_word_length_t)(cfg->data_bits - 5);
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uart->huart.init.stop_bits = (uart_stop_bits_t)cfg->stop_bits;
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uart->huart.init.parity = (uart_parity_t)(cfg->parity == PARITY_EVEN ? UART_PARITY_EVEN : cfg->parity);
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uart->huart.init.fctl = UART_HW_FLOW_CTL_DISABLE;
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ald_uart_init(&uart->huart);
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if (cfg->bit_order == BIT_ORDER_MSB)
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{
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UART_MSB_FIRST_ENABLE(&uart->huart);
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}
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else
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{
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UART_MSB_FIRST_DISABLE(&uart->huart);
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}
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if (cfg->invert == NRZ_INVERTED)
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{
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UART_DATA_INV_ENABLE(&uart->huart);
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}
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else
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{
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UART_DATA_INV_DISABLE(&uart->huart);
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}
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/* enable rx int */
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ald_uart_interrupt_config(&uart->huart, UART_IT_RXRD, ENABLE);
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}
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return RT_EOK;
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}
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static rt_err_t es32f0x_control(struct rt_serial_device *serial, int cmd, void *arg)
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{
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struct es32_uart *uart;
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RT_ASSERT(serial != RT_NULL);
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uart = (struct es32_uart *)serial->parent.user_data;
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if((uint32_t)(uart->huart.perh) > (uint32_t)UART3) /*根据外设物理地址区分UART和USART*/
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{
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/*USART*/
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struct es32_usart *usart= (struct es32_usart *)serial->parent.user_data;
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switch (cmd)
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{
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case RT_DEVICE_CTRL_CLR_INT:
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/* disable rx irq */
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NVIC_DisableIRQ(usart->irq);
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/* disable interrupt */
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ald_usart_interrupt_config(&usart->huart, USART_IT_RXNE, DISABLE);
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break;
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case RT_DEVICE_CTRL_SET_INT:
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/* enable rx irq */
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NVIC_EnableIRQ(usart->irq);
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/* enable interrupt */
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ald_usart_interrupt_config(&usart->huart, USART_IT_RXNE, ENABLE);
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break;
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}
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}
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else
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{
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/*UART*/
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switch (cmd)
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{
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case RT_DEVICE_CTRL_CLR_INT:
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/* disable rx irq */
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NVIC_DisableIRQ(uart->irq);
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/* disable interrupt */
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ald_uart_interrupt_config(&uart->huart, UART_IT_RXRD, DISABLE);
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break;
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case RT_DEVICE_CTRL_SET_INT:
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/* enable rx irq */
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NVIC_EnableIRQ(uart->irq);
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/* enable interrupt */
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ald_uart_interrupt_config(&uart->huart, UART_IT_RXRD, ENABLE);
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break;
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}
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}
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return RT_EOK;
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}
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static int es32f0x_putc(struct rt_serial_device *serial, char c)
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{
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struct es32_uart *uart;
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RT_ASSERT(serial != RT_NULL);
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uart = (struct es32_uart *)serial->parent.user_data;
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if((uint32_t)(uart->huart.perh) > (uint32_t)UART3) /*根据外设物理地址区分UART和USART*/
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{
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/*USART*/
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struct es32_usart *usart= (struct es32_usart *)serial->parent.user_data;
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while (!(usart->huart.perh->STAT & USART_STAT_TXEMPIF_MSK)) ;
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WRITE_REG(usart->huart.perh->DATA, c);
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}
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else
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{
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/*UART*/
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while (!(uart->huart.perh->SR & 0x40)) ;
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WRITE_REG(uart->huart.perh->TBR, c);
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}
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return 1;
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}
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static int es32f0x_getc(struct rt_serial_device *serial)
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{
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int ch = -1;
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struct es32_uart *uart;
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RT_ASSERT(serial != RT_NULL);
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uart = (struct es32_uart *)serial->parent.user_data;
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if((uint32_t)(uart->huart.perh) > (uint32_t)UART3) /*根据外设物理地址区分UART和USART*/
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{
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/*USART*/
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struct es32_usart *usart= (struct es32_usart *)serial->parent.user_data;
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if (usart->huart.perh->STAT & USART_STAT_RXNEIF_MSK)
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{
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ch = (uint8_t)(usart->huart.perh->DATA & 0xFF);
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}
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}
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else
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{
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/*UART*/
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if (uart->huart.perh->SR & 0x01)
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{
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ch = (uint8_t)(uart->huart.perh->RBR & 0xFF);
|
|
}
|
|
}
|
|
|
|
return ch;
|
|
}
|
|
|
|
static const struct rt_uart_ops es32f0x_uart_ops =
|
|
{
|
|
es32f0x_configure,
|
|
es32f0x_control,
|
|
es32f0x_putc,
|
|
es32f0x_getc,
|
|
};
|
|
|
|
int rt_hw_uart_init(void)
|
|
{
|
|
#if (defined(BSP_USING_UART0)||defined(BSP_USING_UART1)||defined(BSP_USING_UART2)||defined(BSP_USING_UART3))
|
|
struct es32_uart *uart;
|
|
#endif
|
|
#if (defined(BSP_USING_USART0)||defined(BSP_USING_USART1))
|
|
struct es32_usart *usart;
|
|
#endif
|
|
|
|
#ifdef BSP_USING_UART0
|
|
uart = &uart0;
|
|
serial0.ops = &es32f0x_uart_ops;
|
|
serial0.config = (struct serial_configure)ES_UART0_CONFIG;
|
|
|
|
/* register UART0 device */
|
|
rt_hw_serial_register(&serial0, ES_DEVICE_NAME_UART0,
|
|
RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX,
|
|
uart);
|
|
#endif /* BSP_USING_UART0 */
|
|
|
|
#ifdef BSP_USING_UART1
|
|
uart = &uart1;
|
|
serial1.ops = &es32f0x_uart_ops;
|
|
serial1.config = (struct serial_configure)ES_UART1_CONFIG;
|
|
|
|
/* register UART1 device */
|
|
rt_hw_serial_register(&serial1, ES_DEVICE_NAME_UART1,
|
|
RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX,
|
|
uart);
|
|
#endif /* BSP_USING_UART1 */
|
|
|
|
#ifdef BSP_USING_UART2
|
|
uart = &uart2;
|
|
serial2.ops = &es32f0x_uart_ops;
|
|
serial2.config = (struct serial_configure)ES_UART2_CONFIG;
|
|
|
|
/* register UART2 device */
|
|
rt_hw_serial_register(&serial2, ES_DEVICE_NAME_UART2,
|
|
RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX,
|
|
uart);
|
|
#endif /* BSP_USING_UART2 */
|
|
|
|
#ifdef BSP_USING_UART3
|
|
uart = &uart3;
|
|
serial3.ops = &es32f0x_uart_ops;
|
|
serial3.config = (struct serial_configure)ES_UART3_CONFIG;
|
|
|
|
/* register UART3 device */
|
|
rt_hw_serial_register(&serial3, ES_DEVICE_NAME_UART3,
|
|
RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX,
|
|
uart);
|
|
#endif /* BSP_USING_UART3 */
|
|
|
|
#ifdef BSP_USING_USART0
|
|
usart = &usart0;
|
|
serial4.ops = &es32f0x_uart_ops;
|
|
serial4.config = (struct serial_configure)ES_USART0_CONFIG;
|
|
|
|
/* register USART0 device */
|
|
rt_hw_serial_register(&serial4, ES_DEVICE_NAME_USART0,
|
|
RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX,
|
|
usart);
|
|
#endif /* BSP_USING_USART0 */
|
|
|
|
#ifdef BSP_USING_USART1
|
|
usart = &usart1;
|
|
serial5.ops = &es32f0x_uart_ops;
|
|
serial5.config = (struct serial_configure)ES_USART1_CONFIG;
|
|
|
|
/* register USART1 device */
|
|
rt_hw_serial_register(&serial5, ES_DEVICE_NAME_USART1,
|
|
RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX,
|
|
usart);
|
|
#endif /* BSP_USING_USART1 */
|
|
return 0;
|
|
}
|
|
INIT_BOARD_EXPORT(rt_hw_uart_init);
|
|
|
|
#endif
|