K1Guitar/project/src/wk_usart.c

166 lines
5.3 KiB
C

/* add user code begin Header */
/**
**************************************************************************
* @file wk_usart.c
* @brief work bench config program
**************************************************************************
* Copyright notice & Disclaimer
*
* The software Board Support Package (BSP) that is made available to
* download from Artery official website is the copyrighted work of Artery.
* Artery authorizes customers to use, copy, and distribute the BSP
* software and its related documentation for the purpose of design and
* development in conjunction with Artery microcontrollers. Use of the
* software is governed by this copyright notice and the following disclaimer.
*
* THIS SOFTWARE IS PROVIDED ON "AS IS" BASIS WITHOUT WARRANTIES,
* GUARANTEES OR REPRESENTATIONS OF ANY KIND. ARTERY EXPRESSLY DISCLAIMS,
* TO THE FULLEST EXTENT PERMITTED BY LAW, ALL EXPRESS, IMPLIED OR
* STATUTORY OR OTHER WARRANTIES, GUARANTEES OR REPRESENTATIONS,
* INCLUDING BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
*
**************************************************************************
*/
/* add user code end Header */
/* Includes ------------------------------------------------------------------*/
#include "includes.h"
/* add user code begin 0 */
/* add user code end 0 */
/**
* @brief init usart2 function
* @param none
* @retval none
*/
void wk_usart2_init(void)
{
/* add user code begin usart2_init 0 */
/* add user code end usart2_init 0 */
gpio_init_type gpio_init_struct;
gpio_default_para_init(&gpio_init_struct);
/* add user code begin usart2_init 1 */
/* add user code end usart2_init 1 */
/* configure the TX pin */
gpio_init_struct.gpio_drive_strength = GPIO_DRIVE_STRENGTH_MODERATE;
gpio_init_struct.gpio_out_type = GPIO_OUTPUT_PUSH_PULL;
gpio_init_struct.gpio_mode = GPIO_MODE_MUX;
gpio_init_struct.gpio_pins = GPIO_PINS_2;
gpio_init_struct.gpio_pull = GPIO_PULL_NONE;
gpio_init(GPIOA, &gpio_init_struct);
/* configure the RX pin */
gpio_init_struct.gpio_drive_strength = GPIO_DRIVE_STRENGTH_MODERATE;
gpio_init_struct.gpio_out_type = GPIO_OUTPUT_PUSH_PULL;
gpio_init_struct.gpio_mode = GPIO_MODE_INPUT;
gpio_init_struct.gpio_pins = GPIO_PINS_3;
gpio_init_struct.gpio_pull = GPIO_PULL_NONE;
gpio_init(GPIOA, &gpio_init_struct);
/* configure param */
usart_init(USART2, 31250, USART_DATA_8BITS, USART_STOP_1_BIT);
usart_transmitter_enable(USART2, TRUE);
usart_receiver_enable(USART2, TRUE);
usart_parity_selection_config(USART2, USART_PARITY_NONE);
usart_hardware_flow_control_set(USART2, USART_HARDWARE_FLOW_NONE);
/* add user code begin usart2_init 2 */
nvic_irq_enable(USART2_IRQn,1,0);
usart_interrupt_enable(USART2,USART_RDBF_INT,TRUE);
usart_interrupt_enable(USART2,USART_TDBE_INT,FALSE);
/* add user code end usart2_init 2 */
usart_enable(USART2, TRUE);
/* add user code begin usart2_init 3 */
/* 关联 USART2 环形队列外设 */
uart_ring_usart2_init();
/* 使能中断:清残留标志 → 开 NVIC → 开外设中断源 */
usart_flag_clear(USART2, USART_RDBF_FLAG);
usart_flag_clear(USART2, USART_ROERR_FLAG);
nvic_irq_enable(USART2_IRQn, 5, 0);
usart_interrupt_enable(USART2, USART_RDBF_INT, TRUE);
usart_interrupt_enable(USART2, USART_ERR_INT, TRUE);
/* add user code end usart2_init 3 */
}
/**
* @brief init uart4 function
* @param none
* @retval none
*/
void wk_uart4_init(void)
{
/* add user code begin uart4_init 0 */
/* add user code end uart4_init 0 */
gpio_init_type gpio_init_struct;
gpio_default_para_init(&gpio_init_struct);
/* add user code begin uart4_init 1 */
/* add user code end uart4_init 1 */
/* configure the TX pin */
gpio_init_struct.gpio_drive_strength = GPIO_DRIVE_STRENGTH_MODERATE;
gpio_init_struct.gpio_out_type = GPIO_OUTPUT_PUSH_PULL;
gpio_init_struct.gpio_mode = GPIO_MODE_MUX;
gpio_init_struct.gpio_pins = GPIO_PINS_10;
gpio_init_struct.gpio_pull = GPIO_PULL_NONE;
gpio_init(GPIOC, &gpio_init_struct);
/* configure the RX pin */
gpio_init_struct.gpio_drive_strength = GPIO_DRIVE_STRENGTH_MODERATE;
gpio_init_struct.gpio_out_type = GPIO_OUTPUT_PUSH_PULL;
gpio_init_struct.gpio_mode = GPIO_MODE_INPUT;
gpio_init_struct.gpio_pins = GPIO_PINS_11;
gpio_init_struct.gpio_pull = GPIO_PULL_NONE;
gpio_init(GPIOC, &gpio_init_struct);
/* configure param */
usart_init(UART4, 115200, USART_DATA_8BITS, USART_STOP_1_BIT);
usart_transmitter_enable(UART4, TRUE);
usart_receiver_enable(UART4, TRUE);
usart_parity_selection_config(UART4, USART_PARITY_NONE);
usart_hardware_flow_control_set(UART4, USART_HARDWARE_FLOW_NONE);
/* add user code begin uart4_init 2 */
/* add user code end uart4_init 2 */
usart_enable(UART4, TRUE);
/* add user code begin uart4_init 3 */
/* 关联 UART4 环形队列外设 */
uart_ring_uart4_init();
/* 使能中断:清残留标志 → 开 NVIC → 开外设中断源 */
usart_flag_clear(UART4, USART_RDBF_FLAG);
usart_flag_clear(UART4, USART_ROERR_FLAG);
nvic_irq_enable(UART4_IRQn, 5, 0);
usart_interrupt_enable(UART4, USART_RDBF_INT, TRUE);
usart_interrupt_enable(UART4, USART_ERR_INT, TRUE);
/* add user code end uart4_init 3 */
}
/* add user code begin 1 */
/* add user code end 1 */