翻译一下并列出用到的单词,解释段落中的语法 Enable the GPIO APB2 clock using the following function : __HAL_RCC_GPIOx_CLK_ENABLE(). (#) Configure the GPIO pin(s) using HAL_GPIO_Init(). (++) Configure the IO mode using "Mode" member from GPIO_InitTypeDef structure (++) Activate Pull-up, Pull-down resistor using "Pull" member from GPIO_InitTypeDef structure. (++) In case of Output or alternate function mode selection: the speed is configured through "Speed" member from GPIO_InitTypeDef structure (++) Analog mode is required when a pin is to be used as ADC channel or DAC output. (++) In case of external interrupt/event selection the "Mode" member from GPIO_InitTypeDef structure select the type (interrupt or event) and the corresponding trigger event (rising or falling or both).
时间: 2024-02-10 21:35:11 浏览: 158
这段话的意思是:使用以下函数 __HAL_RCC_GPIOx_CLK_ENABLE() 开启 GPIO APB2 时钟,然后使用 HAL_GPIO_Init() 配置 GPIO 引脚。在配置 IO 模式时,使用 GPIO_InitTypeDef 结构体中的“Mode”成员;在激活上拉或下拉电阻时,使用 GPIO_InitTypeDef 结构体中的“Pull”成员;在选择输出或替代功能模式时,使用 GPIO_InitTypeDef 结构体中的“Speed”成员来配置速度;当一个引脚需要用作 ADC 通道或 DAC 输出时,需要选择模拟模式;在选择外部中断/事件时,使用 GPIO_InitTypeDef 结构体中的“Mode”成员来选择类型(中断或事件)和相应的触发事件(上升沿、下降沿或两者都有)。在这段话中,涉及到的单词有:clock、configure、mode、member、resistor、speed、analog、output、alternate、external、interrupt、event、select、type、trigger、rising、falling。
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将下面的代码转成HAL库版本:GPIO_InitTypeDef GPIO_InitStructure; RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB|RCC_APB2Periph_GPIOE, ENABLE); GPIO_InitStructure.GPIO_Pin = GPIO_Pin_5; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; GPIO_Init(GPIOB, &GPIO_InitStructure); GPIO_SetBits(GPIOB,GPIO_Pin_5); GPIO_InitStructure.GPIO_Pin = GPIO_Pin_5; GPIO_Init(GPIOE, &GPIO_InitStructure); GPIO_SetBits(GPIOE,GPIO_Pin_5);
#include "stm32f10x_hal.h"
GPIO_InitTypeDef GPIO_InitStructure;
__HAL_RCC_GPIOB_CLK_ENABLE();
__HAL_RCC_GPIOE_CLK_ENABLE();
GPIO_InitStructure.Pin = GPIO_PIN_5;
GPIO_InitStructure.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStructure.Speed = GPIO_SPEED_FREQ_HIGH;
HAL_GPIO_Init(GPIOB, &GPIO_InitStructure);
HAL_GPIO_WritePin(GPIOB, GPIO_PIN_5, GPIO_PIN_SET);
GPIO_InitStructure.Pin = GPIO_PIN_5;
HAL_GPIO_Init(GPIOE, &GPIO_InitStructure);
HAL_GPIO_WritePin(GPIOE, GPIO_PIN_5, GPIO_PIN_SET);
void SystemClock_Config(void) { RCC_OscInitTypeDef RCC_OscInitStruct = {0}; RCC_ClkInitTypeDef RCC_ClkInitStruct = {0}; /** Configure the main internal regulator output voltage */ HAL_PWREx_ControlVoltageScaling(PWR_REGULATOR_VOLTAGE_SCALE1); /** Initializes the RCC Oscillators according to the specified parameters * in the RCC_OscInitTypeDef structure. */ RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI; RCC_OscInitStruct.HSIState = RCC_HSI_ON; RCC_OscInitStruct.HSIDiv = RCC_HSI_DIV1; RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT; RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON; RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI; RCC_OscInitStruct.PLL.PLLM = RCC_PLLM_DIV1; RCC_OscInitStruct.PLL.PLLN = 8; RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2; RCC_OscInitStruct.PLL.PLLR = RCC_PLLR_DIV2; if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) { Error_Handler(); } /** Initializes the CPU, AHB and APB buses clocks */ RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK |RCC_CLOCKTYPE_PCLK1; RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK; RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1; RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1; if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK) { Error_Handler(); } } /** * @brief I2C1 Initialization Function * @param None * @retval None */ static void MX_I2C1_Init(void) { /* USER CODE BEGIN I2C1_Init 0 */ /* USER CODE END I2C1_Init 0 */ /* USER CODE BEGIN I2C1_Init 1 */ /* USER CODE END I2C1_Init 1 */ hi2c1.Instance = I2C1; hi2c1.Init.Timing = 0x10707DBC; hi2c1.Init.OwnAddress1 = 0; hi2c1.Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT; hi2c1.Init.DualAddressMode = I2C_DUALADDRESS_DISABLE; hi2c1.Init.OwnAddress2 = 0; hi2c1.Init.OwnAddress2Masks = I2C_OA2_NOMASK; hi2c1.Init.GeneralCallMode = I2C_GENERALCALL_DISABLE; hi2c1.Init.NoStretchMode = I2C_NOSTRETCH_DISABLE; if (HAL_I2C_Init(&hi2c1) != HAL_OK) { Error_Handler(); } /** Configure Analogue filter */ if (HAL_I2CEx_ConfigAnalogFilter(&hi2c1, I2C_ANALOGFILTER_ENABLE) != HAL_OK) { Error_Handler(); } /** Configure Digital filter */ if (HAL_I2CEx_ConfigDigitalFilter(&hi2c1, 0) != HAL_OK) { Error_Handler(); } GPIO_InitTypeDef GPIO_InitStruct; __HAL_RCC_GPIOB_CLK_ENABLE(); // 配置 I2C1_SCL 引脚 GPIO_InitStruct.Pin = GPIO_PIN_3; GPIO_InitStruct.Mode = GPIO_MODE_AF_OD; GPIO_InitStruct.Pull = GPIO_PULLUP; GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH; GPIO_InitStruct.Alternate = GPIO_AF6_I2C1; HAL_GPIO_Init(GPIOB, &GPIO_InitStruct); GPIO_InitStruct.Pin = GPIO_PIN_7; GPIO_InitStruct.Mode = GPIO_MODE_AF_OD; GPIO_InitStruct.Pull = GPIO_PULLUP; GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH; GPIO_InitStruct.Alternate = GPIO_AF6_I2C1; HAL_GPIO_Init(GPIOB, &GPIO_InitStruct); /* USER CODE BEGIN I2C1_Init 2 */ /* USER CODE END I2C1_Init 2 */ }这个是什么意思需要修改添加代码吗
这部分代码是用于配置系统时钟和初始化 I2C 的函数。具体来说,`SystemClock_Config` 函数用于配置系统时钟,`MX_I2C1_Init` 函数用于初始化 I2C1。
如果你需要修改或添加代码,你可以在这两个函数的相应部分进行操作。例如,你可以修改时钟配置参数以满足你的需求,或者在 `MX_I2C1_Init` 函数中添加其他的 GPIO 配置。
需要注意的是,这些函数可能是由 STM32CubeIDE 自动生成的。如果你重新生成代码,这些修改可能会被覆盖。所以建议在其他自定义函数中修改和添加代码,以免被覆盖。
希望这个解释能够帮助你理解这段代码的作用。如果你还有其他问题,请随时提问。
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