628 lines
19 KiB
C
628 lines
19 KiB
C
/**
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**************************************************************************
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* @file at32f421_board.c
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* @brief set of firmware functions to manage leds and push-button.
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* initialize delay function.
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**************************************************************************
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* Copyright notice & Disclaimer
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*
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* The software Board Support Package (BSP) that is made available to
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* download from Artery official website is the copyrighted work of Artery.
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* Artery authorizes customers to use, copy, and distribute the BSP
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* software and its related documentation for the purpose of design and
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* development in conjunction with Artery microcontrollers. Use of the
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* software is governed by this copyright notice and the following disclaimer.
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*
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* THIS SOFTWARE IS PROVIDED ON "AS IS" BASIS WITHOUT WARRANTIES,
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* GUARANTEES OR REPRESENTATIONS OF ANY KIND. ARTERY EXPRESSLY DISCLAIMS,
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* TO THE FULLEST EXTENT PERMITTED BY LAW, ALL EXPRESS, IMPLIED OR
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* STATUTORY OR OTHER WARRANTIES, GUARANTEES OR REPRESENTATIONS,
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* INCLUDING BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
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*
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**************************************************************************
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*/
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#include "at32f421_board.h"
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#include "cmcng.h"
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/** @addtogroup AT32F421_board
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* @{
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*/
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/** @defgroup BOARD
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* @brief onboard periph driver
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* @{
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*/
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/* delay macros */
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#define STEP_DELAY_MS 50
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/* at-start led resouce array */
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gpio_type *led_gpio_port[LED_NUM] = {LED1_GPIO,LED2_GPIO, LED3_GPIO, LED4_GPIO};
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uint16_t led_gpio_pin[LED_NUM] = {LED1_PIN,LED2_PIN, LED3_PIN, LED4_PIN};
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crm_periph_clock_type led_gpio_crm_clk[LED_NUM] = {LED1_GPIO_CRM_CLK,LED2_GPIO_CRM_CLK, LED3_GPIO_CRM_CLK, LED4_GPIO_CRM_CLK};
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/* delay variable */
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static __IO uint32_t fac_us;
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static __IO uint32_t fac_ms;
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/* support printf function, usemicrolib is unnecessary */
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#if (__ARMCC_VERSION > 6000000)
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__asm (".global __use_no_semihosting\n\t");
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void _sys_exit(int x)
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{
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x = x;
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}
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/* __use_no_semihosting was requested, but _ttywrch was */
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void _ttywrch(int ch)
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{
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ch = ch;
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}
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FILE __stdout;
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#else
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#ifdef __CC_ARM
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#pragma import(__use_no_semihosting)
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struct __FILE
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{
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int handle;
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};
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FILE __stdout;
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void _sys_exit(int x)
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{
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x = x;
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}
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/* __use_no_semihosting was requested, but _ttywrch was */
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void _ttywrch(int ch)
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{
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ch = ch;
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}
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#endif
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#endif
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#if defined (__GNUC__) && !defined (__clang__)
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#define PUTCHAR_PROTOTYPE int __io_putchar(int ch)
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#else
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#define PUTCHAR_PROTOTYPE int fputc(int ch, FILE *f)
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#endif
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/**
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* @brief retargets the c library printf function to the usart.
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* @param none
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* @retval none
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*/
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PUTCHAR_PROTOTYPE
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{
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while(usart_flag_get(PRINT_UART, USART_TDBE_FLAG) == RESET);
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usart_data_transmit(PRINT_UART, (uint16_t)ch);
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while(usart_flag_get(PRINT_UART, USART_TDC_FLAG) == RESET);
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return ch;
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}
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#if (defined (__GNUC__) && !defined (__clang__)) || (defined (__ICCARM__))
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#if defined (__GNUC__) && !defined (__clang__)
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int _write(int fd, char *pbuffer, int size)
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#elif defined ( __ICCARM__ )
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#pragma module_name = "?__write"
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int __write(int fd, char *pbuffer, int size)
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#endif
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{
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for(int i = 0; i < size; i ++)
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{
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while(usart_flag_get(PRINT_UART, USART_TDBE_FLAG) == RESET);
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usart_data_transmit(PRINT_UART, (uint16_t)(*pbuffer++));
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while(usart_flag_get(PRINT_UART, USART_TDC_FLAG) == RESET);
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}
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return size;
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}
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#endif
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/**
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* @brief initialize uart
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* @param baudrate: uart baudrate
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* @retval none
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*/
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void uart_print_init(uint32_t baudrate)
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{
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gpio_init_type gpio_init_struct;
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#if defined (__GNUC__) && !defined (__clang__)
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setvbuf(stdout, NULL, _IONBF, 0);
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#endif
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/* enable the uart and gpio clock */
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crm_periph_clock_enable(PRINT_UART_CRM_CLK, TRUE);
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crm_periph_clock_enable(PRINT_UART_TX_GPIO_CRM_CLK, TRUE);
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gpio_default_para_init(&gpio_init_struct);
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/* configure the uart tx pin */
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gpio_init_struct.gpio_drive_strength = GPIO_DRIVE_STRENGTH_STRONGER;
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gpio_init_struct.gpio_out_type = GPIO_OUTPUT_PUSH_PULL;
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gpio_init_struct.gpio_mode = GPIO_MODE_MUX;
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gpio_init_struct.gpio_pins = PRINT_UART_TX_PIN;
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gpio_init_struct.gpio_pull = GPIO_PULL_NONE;
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gpio_init(PRINT_UART_TX_GPIO, &gpio_init_struct);
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gpio_pin_mux_config(PRINT_UART_TX_GPIO, PRINT_UART_TX_PIN_SOURCE, PRINT_UART_TX_PIN_MUX_NUM);
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/* configure uart param */
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usart_init(PRINT_UART, baudrate, USART_DATA_8BITS, USART_STOP_1_BIT);
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usart_transmitter_enable(PRINT_UART, TRUE);
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usart_enable(PRINT_UART, TRUE);
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}
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/**
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* @brief config usart1
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* @param none
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* @retval none
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*/
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void usart_configuration(void)
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{
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gpio_init_type gpio_init_struct;
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uint32_t baud = 192000; //115200; //192000; // 115200;
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/* enable the usart1 and gpio clock */
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crm_periph_clock_enable(CRM_USART1_PERIPH_CLOCK, TRUE);
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crm_periph_clock_enable(CRM_GPIOA_PERIPH_CLOCK, TRUE);
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gpio_default_para_init(&gpio_init_struct);
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/* configure the usart1 tx/rx pin */
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gpio_init_struct.gpio_drive_strength = GPIO_DRIVE_STRENGTH_STRONGER;
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gpio_init_struct.gpio_out_type = GPIO_OUTPUT_PUSH_PULL;
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gpio_init_struct.gpio_mode = GPIO_MODE_MUX;
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gpio_init_struct.gpio_pins = GPIO_PINS_9 | GPIO_PINS_10;
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gpio_init_struct.gpio_pull = GPIO_PULL_NONE;
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gpio_init(GPIOA, &gpio_init_struct);
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/* config usart1 iomux */
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gpio_pin_mux_config(GPIOA, GPIO_PINS_SOURCE9, GPIO_MUX_1);
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gpio_pin_mux_config(GPIOA, GPIO_PINS_SOURCE10, GPIO_MUX_1);
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/* configure usart1 param */
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nvic_irq_enable(USART1_IRQn, 1, 0); // 优先级 中等：串口通信， 与上位机通信
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usart_init(USART1, baud, USART_DATA_8BITS, USART_STOP_1_BIT);
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// usart_parity_selection_config(USART1, USART_PARITY_NONE);
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usart_transmitter_enable(USART1, TRUE);
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usart_receiver_enable(USART1, TRUE);
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usart_interrupt_enable(USART1, USART_RDBF_INT, TRUE);
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usart_enable(USART1, TRUE);
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// usart_init(USART1, 115200, USART_DATA_8BITS, USART_STOP_1_BIT);
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// usart_parity_selection_config(USART1, USART_PARITY_NONE);
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// usart_transmitter_enable(USART1, TRUE);
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// usart_receiver_enable(USART1, TRUE);
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//// usart_dma_transmitter_enable(USART1, TRUE);
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// usart_dma_receiver_enable(USART1, TRUE);
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// usart_enable(USART1, TRUE);
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// dma_configuration();
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}
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/**
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* @brief config dma for usart2 and usart1
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* @param none
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* @retval none
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*/
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void dma_configuration(void)
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{
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dma_init_type dma_init_struct;
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/* enable dma1 clock */
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crm_periph_clock_enable(CRM_DMA1_PERIPH_CLOCK, TRUE);
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/* dma1 channel3 for usart1 rx configuration */
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dma_reset(DMA1_CHANNEL5);
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dma_default_para_init(&dma_init_struct);
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dma_init_struct.buffer_size = BUFF_STACK_SIZE;
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dma_init_struct.direction = DMA_DIR_PERIPHERAL_TO_MEMORY;
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dma_init_struct.memory_base_addr = (uint32_t)usart1_rx_buffer;
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dma_init_struct.memory_data_width = DMA_MEMORY_DATA_WIDTH_BYTE;
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dma_init_struct.memory_inc_enable = TRUE;
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dma_init_struct.peripheral_base_addr = (uint32_t)&USART1->dt;
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dma_init_struct.peripheral_data_width = DMA_PERIPHERAL_DATA_WIDTH_BYTE;
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dma_init_struct.peripheral_inc_enable = FALSE;
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dma_init_struct.priority = DMA_PRIORITY_MEDIUM;
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dma_init_struct.loop_mode_enable = FALSE;
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dma_init(DMA1_CHANNEL5, &dma_init_struct);
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/* enable transfer full data interrupt */
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dma_interrupt_enable(DMA1_CHANNEL5, DMA_FDT_INT, TRUE);
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/* dma1 channel3 interrupt nvic init */
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nvic_irq_enable(DMA1_Channel5_4_IRQn, 0, 0);
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dma_channel_enable(DMA1_CHANNEL5, TRUE); /* usart1 rx begin dma receiving */
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}
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/**
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* @brief board initialize interface init led and button
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* @param none
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* @retval none
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*/
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void at32_board_init()
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{
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/* initialize delay function */
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delay_init();
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/* configure led in at_start_board */
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// at32_led_init(LED_PWR);
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at32_led_init(LED_LP1);
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at32_led_init(LED_LP2);
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at32_led_init(LED_LP3);
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at32_led_init(LED_LP4);
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// at32_led_off(LED_PWR);
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at32_led_off(LED_LP1);
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at32_led_off(LED_LP2);
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at32_led_off(LED_LP3);
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at32_led_off(LED_LP4);
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/* configure button in at_start board */
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// at32_button_init();
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freq_level_gpio_init();
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}
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void loop_timer_io_init(void)
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{
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uint8_t i, _div = TMR_CHANNEL_INPUT_DIV_4;
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/* enable tmr3/gpioa clock */
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crm_periph_clock_enable(CRM_TMR3_PERIPH_CLOCK, TRUE);
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crm_periph_clock_enable(CRM_GPIOA_PERIPH_CLOCK, TRUE);
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crm_periph_clock_enable(CRM_GPIOB_PERIPH_CLOCK, TRUE);
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gpio_init_type gpio_init_struct;
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gpio_init_struct.gpio_pins = RLY1_PIN | RLY2_PIN | RLY3_PIN | RLY4_PIN;
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gpio_init_struct.gpio_mode = GPIO_MODE_OUTPUT;
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gpio_init_struct.gpio_out_type = GPIO_OUTPUT_PUSH_PULL;
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gpio_init_struct.gpio_pull = GPIO_PULL_NONE;
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gpio_init_struct.gpio_drive_strength = GPIO_DRIVE_STRENGTH_STRONGER;
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gpio_init(GPIOB, &gpio_init_struct);
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// LEDA_OFF;
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// LEDC_OFF;
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RLY1_OFF;
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RLY2_OFF;
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RLY3_OFF;
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RLY4_OFF;
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/* Red LED light on tempporary , will be PWM */
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// gpio_init_struct.gpio_pins = GPIO_PINS_15;
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// gpio_init_struct.gpio_mode = GPIO_MODE_OUTPUT;
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// gpio_init_struct.gpio_out_type = GPIO_OUTPUT_PUSH_PULL;
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// gpio_init_struct.gpio_pull = GPIO_PULL_NONE;
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// gpio_init_struct.gpio_drive_strength = GPIO_DRIVE_STRENGTH_STRONGER;
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// gpio_init(GPIOA, &gpio_init_struct);
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// gpio_bits_reset(GPIOA, GPIO_PINS_15); // red on
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/* timer3 input pin Configuration */
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gpio_init_struct.gpio_pins = GPIO_PINS_6 | GPIO_PINS_7;
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gpio_init_struct.gpio_mode = GPIO_MODE_MUX;
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gpio_init_struct.gpio_out_type = GPIO_OUTPUT_PUSH_PULL;
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gpio_init_struct.gpio_pull = GPIO_PULL_NONE;
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gpio_init_struct.gpio_drive_strength = GPIO_DRIVE_STRENGTH_STRONGER;
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gpio_init(GPIOA, &gpio_init_struct);
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gpio_pin_mux_config(GPIOA, GPIO_PINS_SOURCE6, GPIO_MUX_1);
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gpio_pin_mux_config(GPIOA, GPIO_PINS_SOURCE7, GPIO_MUX_1);
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gpio_init_struct.gpio_pins = GPIO_PINS_0 | GPIO_PINS_1;
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gpio_init_struct.gpio_mode = GPIO_MODE_MUX;
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gpio_init_struct.gpio_out_type = GPIO_OUTPUT_PUSH_PULL;
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gpio_init_struct.gpio_pull = GPIO_PULL_NONE;
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gpio_init_struct.gpio_drive_strength = GPIO_DRIVE_STRENGTH_STRONGER;
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gpio_init(GPIOB, &gpio_init_struct);
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gpio_pin_mux_config(GPIOB, GPIO_PINS_SOURCE0, GPIO_MUX_1);
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gpio_pin_mux_config(GPIOB, GPIO_PINS_SOURCE1, GPIO_MUX_1);
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/* tmr3 configuration: input capture mode
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the external signal is connected to tmr3 ch2 pin (pa.07)
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the rising edge is used as active edge,
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the tmr3 c2dt is used to compute the frequency value */
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/* tmr3 counter mode configuration */
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tmr_base_init(TMR3, 0xFFFF, 0);
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tmr_cnt_dir_set(TMR3, TMR_COUNT_UP);
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/* configure tmr3 channel1 to get clock signal */
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g_tmr_input_config_struct.input_channel_select = TMR_SELECT_CHANNEL_1;
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g_tmr_input_config_struct.input_mapped_select = TMR_CC_CHANNEL_MAPPED_DIRECT;
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g_tmr_input_config_struct.input_polarity_select = TMR_INPUT_RISING_EDGE;
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tmr_input_channel_init(TMR3, &g_tmr_input_config_struct, _div);
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tmr_interrupt_enable(TMR3, TMR_C1_INT, TRUE);
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/* configure tmr3 channel2 to get clock signal */
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g_tmr_input_config_struct.input_channel_select = TMR_SELECT_CHANNEL_2;
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g_tmr_input_config_struct.input_mapped_select = TMR_CC_CHANNEL_MAPPED_DIRECT;
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g_tmr_input_config_struct.input_polarity_select = TMR_INPUT_RISING_EDGE;
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tmr_input_channel_init(TMR3, &g_tmr_input_config_struct, _div);
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tmr_interrupt_enable(TMR3, TMR_C2_INT, TRUE);
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/* configure tmr3 channel3 to get clock signal */
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g_tmr_input_config_struct.input_channel_select = TMR_SELECT_CHANNEL_3;
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g_tmr_input_config_struct.input_mapped_select = TMR_CC_CHANNEL_MAPPED_DIRECT;
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g_tmr_input_config_struct.input_polarity_select = TMR_INPUT_RISING_EDGE;
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tmr_input_channel_init(TMR3, &g_tmr_input_config_struct, _div);
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tmr_interrupt_enable(TMR3, TMR_C3_INT, TRUE);
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/* configure tmr3 channel4 to get clock signal */
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g_tmr_input_config_struct.input_channel_select = TMR_SELECT_CHANNEL_4;
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g_tmr_input_config_struct.input_mapped_select = TMR_CC_CHANNEL_MAPPED_DIRECT;
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g_tmr_input_config_struct.input_polarity_select = TMR_INPUT_RISING_EDGE;
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tmr_input_channel_init(TMR3, &g_tmr_input_config_struct, _div);
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tmr_interrupt_enable(TMR3, TMR_C4_INT, TRUE);
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for(i = 0; i < _div; i++)
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{
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g_input_div *= 2;
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}
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/* tmr2 trigger interrupt nvic init */
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// nvic_priority_group_config(NVIC_PRIORITY_GROUP_4);
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nvic_irq_enable(TMR3_GLOBAL_IRQn, 0, 0);
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/* enable tmr3 */
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tmr_counter_enable(TMR3, TRUE);
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}
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/**
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* @brief configure button gpio
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* @param button: specifies the button to be configured.
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* @retval none
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*/
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void at32_button_init(void)
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{
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gpio_init_type gpio_init_struct;
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// /* enable the button clock */
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// crm_periph_clock_enable(USER_BUTTON_CRM_CLK, TRUE);
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// /* set default parameter */
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// gpio_default_para_init(&gpio_init_struct);
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// /* configure button pin as input with pull-up/pull-down */
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// gpio_init_struct.gpio_drive_strength = GPIO_DRIVE_STRENGTH_STRONGER;
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// gpio_init_struct.gpio_out_type = GPIO_OUTPUT_PUSH_PULL;
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// gpio_init_struct.gpio_mode = GPIO_MODE_INPUT;
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// gpio_init_struct.gpio_pins = SW1_BUTTON_PIN | SW2_BUTTON_PIN | SW3_BUTTON_PIN | SW4_BUTTON_PIN | SW5_BUTTON_PIN;
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// gpio_init_struct.gpio_pull = GPIO_PULL_UP;
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// gpio_init(USER_BUTTON_PORT, &gpio_init_struct);
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}
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void freq_level_gpio_init(void)
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{
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gpio_init_type gpio_init_struct;
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/* enable the button clock */
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crm_periph_clock_enable(CRM_GPIOA_PERIPH_CLOCK, TRUE);
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/* set default parameter */
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gpio_default_para_init(&gpio_init_struct);
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gpio_init_struct.gpio_pins = FLPA1_PIN | FLPA2_PIN | FLPB1_PIN | FLPB2_PIN | FLPC1_PIN | FLPC2_PIN | FLPD1_PIN | FLPD2_PIN;
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gpio_init_struct.gpio_mode = GPIO_MODE_OUTPUT;
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gpio_init_struct.gpio_out_type = GPIO_OUTPUT_PUSH_PULL;
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gpio_init_struct.gpio_pull = GPIO_PULL_NONE;
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gpio_init_struct.gpio_drive_strength = GPIO_DRIVE_STRENGTH_STRONGER;
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gpio_init(GPIOA, &gpio_init_struct);
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}
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/**
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* @brief returns the selected button state
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* @param none
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* @retval the button gpio pin value
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*/
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uint8_t at32_button_state(void)
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{
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return gpio_input_data_bit_read(USER_BUTTON_PORT, USER_BUTTON_PIN);
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}
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/**
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* @brief returns which button have press down
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* @param none
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|
* @retval the button have press down
|
|
*/
|
|
button_type at32_button_press()
|
|
{
|
|
static uint8_t pressed = 1;
|
|
/* get button state in at_start board */
|
|
if((pressed == 1) && (at32_button_state() != RESET))
|
|
{
|
|
/* debounce */
|
|
pressed = 0;
|
|
delay_ms(10);
|
|
if(at32_button_state() != RESET)
|
|
return USER_BUTTON;
|
|
}
|
|
else if(at32_button_state() == RESET)
|
|
{
|
|
pressed = 1;
|
|
}
|
|
return NO_BUTTON;
|
|
}
|
|
|
|
/**
|
|
* @brief configure led gpio
|
|
* @param led: specifies the led to be configured.
|
|
* @retval none
|
|
*/
|
|
void at32_led_init(led_type led)
|
|
{
|
|
gpio_init_type gpio_init_struct;
|
|
|
|
/* enable the led clock */
|
|
crm_periph_clock_enable(led_gpio_crm_clk[led], TRUE);
|
|
|
|
/* set default parameter */
|
|
gpio_default_para_init(&gpio_init_struct);
|
|
|
|
/* configure the led gpio */
|
|
gpio_init_struct.gpio_drive_strength = GPIO_DRIVE_STRENGTH_STRONGER;
|
|
gpio_init_struct.gpio_out_type = GPIO_OUTPUT_PUSH_PULL;
|
|
gpio_init_struct.gpio_mode = GPIO_MODE_OUTPUT;
|
|
gpio_init_struct.gpio_pins = led_gpio_pin[led];
|
|
gpio_init_struct.gpio_pull = GPIO_PULL_NONE;
|
|
gpio_init(led_gpio_port[led], &gpio_init_struct);
|
|
}
|
|
|
|
/**
|
|
* @brief turns selected led on.
|
|
* @param led: specifies the led to be set on.
|
|
* this parameter can be one of following parameters:
|
|
* @arg LED2
|
|
* @arg LED3
|
|
* @arg LED4
|
|
* @retval none
|
|
*/
|
|
void at32_led_on(led_type led)
|
|
{
|
|
if(led > (LED_NUM - 1))
|
|
return;
|
|
if(led_gpio_pin[led])
|
|
led_gpio_port[led]->clr = led_gpio_pin[led];
|
|
}
|
|
|
|
/**
|
|
* @brief turns selected led off.
|
|
* @param led: specifies the led to be set off.
|
|
* this parameter can be one of following parameters:
|
|
* @arg LED2
|
|
* @arg LED3
|
|
* @arg LED4
|
|
* @retval none
|
|
*/
|
|
void at32_led_off(led_type led)
|
|
{
|
|
if(led > (LED_NUM - 1))
|
|
return;
|
|
if(led_gpio_pin[led])
|
|
led_gpio_port[led]->scr = led_gpio_pin[led];
|
|
// set_loops_relay_off(led);
|
|
}
|
|
|
|
/**
|
|
* @brief turns selected led toggle.
|
|
* @param led: specifies the led to be set off.
|
|
* this parameter can be one of following parameters:
|
|
* @arg LED2
|
|
* @arg LED3
|
|
* @arg LED4
|
|
* @retval none
|
|
*/
|
|
void at32_led_toggle(led_type led)
|
|
{
|
|
if(led > (LED_NUM - 1))
|
|
return;
|
|
if(led_gpio_pin[led])
|
|
led_gpio_port[led]->odt ^= led_gpio_pin[led];
|
|
}
|
|
|
|
/**
|
|
* @brief initialize delay function
|
|
* @param none
|
|
* @retval none
|
|
*/
|
|
void delay_init()
|
|
{
|
|
/* configure systick */
|
|
systick_clock_source_config(SYSTICK_CLOCK_SOURCE_AHBCLK_NODIV);
|
|
fac_us = system_core_clock / (1000000U);
|
|
fac_ms = fac_us * (1000U);
|
|
}
|
|
|
|
/**
|
|
* @brief inserts a delay time.
|
|
* @param nus: specifies the delay time length, in microsecond.
|
|
* @retval none
|
|
*/
|
|
void delay_us(uint32_t nus)
|
|
{
|
|
uint32_t temp = 0;
|
|
SysTick->LOAD = (uint32_t)(nus * fac_us);
|
|
SysTick->VAL = 0x00;
|
|
SysTick->CTRL |= SysTick_CTRL_ENABLE_Msk ;
|
|
do
|
|
{
|
|
temp = SysTick->CTRL;
|
|
}while((temp & 0x01) && !(temp & (1 << 16)));
|
|
|
|
SysTick->CTRL &= ~SysTick_CTRL_ENABLE_Msk;
|
|
SysTick->VAL = 0x00;
|
|
}
|
|
|
|
/**
|
|
* @brief inserts a delay time.
|
|
* @param nms: specifies the delay time length, in milliseconds.
|
|
* @retval none
|
|
*/
|
|
void delay_ms(uint16_t nms)
|
|
{
|
|
uint32_t temp = 0;
|
|
while(nms)
|
|
{
|
|
if(nms > STEP_DELAY_MS)
|
|
{
|
|
SysTick->LOAD = (uint32_t)(STEP_DELAY_MS * fac_ms);
|
|
nms -= STEP_DELAY_MS;
|
|
}
|
|
else
|
|
{
|
|
SysTick->LOAD = (uint32_t)(nms * fac_ms);
|
|
nms = 0;
|
|
}
|
|
SysTick->VAL = 0x00;
|
|
SysTick->CTRL |= SysTick_CTRL_ENABLE_Msk;
|
|
do
|
|
{
|
|
temp = SysTick->CTRL;
|
|
}while((temp & 0x01) && !(temp & (1 << 16)));
|
|
|
|
SysTick->CTRL &= ~SysTick_CTRL_ENABLE_Msk;
|
|
SysTick->VAL = 0x00;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @brief inserts a delay time.
|
|
* @param sec: specifies the delay time, in seconds.
|
|
* @retval none
|
|
*/
|
|
void delay_sec(uint16_t sec)
|
|
{
|
|
uint16_t index;
|
|
for(index = 0; index < sec; index++)
|
|
{
|
|
delay_ms(500);
|
|
delay_ms(500);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|