__init__ == __mian__
时间: 2023-08-20 16:14:36 浏览: 174
__init__和__main__是Python中的两个特殊变量。它们在模块和包的使用中起到不同的作用。__init__是一个用于表示当前模块或包的初始化文件的特殊变量。当导入一个包时,会运行该包下的__init__.py文件。而__main__是一个用于表示当前模块或包的主程序文件的特殊变量。当执行一个包时(例如python -m my_package),会执行该包下的__main__.py文件。当导入一个模块时,会执行整个文件。而当执行一个模块时(例如python my_module.py),__name__变量会被设置为__main__。所以,__init__和__main__在模块和包的使用中起到不同的作用。[1][2][3]
相关问题
请给出TI ADC128S102应用在STM32cubemx上生成的mian.c文件代码
抱歉,我无法生成代码文件。但是,您可以通过以下步骤手动创建ADC128S102的代码:
1. 在STM32cubemx中选择您的微控制器和ADC128S102。
2. 配置ADC128S102的引脚和时钟。
3. 选择ADC模式和采样率。
4. 生成代码并打开生成的main.c文件。
5. 在main.c文件中添加以下代码:
```c
#include "stm32f4xx_hal.h"
#include "adc.h"
ADC_HandleTypeDef hadc;
void SystemClock_Config(void);
static void MX_GPIO_Init(void);
static void MX_ADC_Init(void);
int main(void)
{
HAL_Init();
SystemClock_Config();
MX_GPIO_Init();
MX_ADC_Init();
while (1)
{
HAL_ADC_Start(&hadc);
HAL_ADC_PollForConversion(&hadc, 100);
uint16_t adc_value = HAL_ADC_GetValue(&hadc);
HAL_ADC_Stop(&hadc);
// use adc_value
}
}
void SystemClock_Config(void)
{
RCC_OscInitTypeDef RCC_OscInitStruct = {0};
RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
/** Configure the main internal regulator output voltage
*/
__HAL_RCC_PWR_CLK_ENABLE();
__HAL_PWR_VOLTAGESCALING_CONFIG(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.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI;
RCC_OscInitStruct.PLL.PLLM = 16;
RCC_OscInitStruct.PLL.PLLN = 336;
RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV4;
RCC_OscInitStruct.PLL.PLLQ = 4;
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_CLOCKTYPE_PCLK2;
RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2;
RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_5) != HAL_OK)
{
Error_Handler();
}
}
static void MX_ADC_Init(void)
{
ADC_ChannelConfTypeDef sConfig = {0};
hadc.Instance = ADC1;
hadc.Init.ClockPrescaler = ADC_CLOCK_SYNC_PCLK_DIV2;
hadc.Init.Resolution = ADC_RESOLUTION_12B;
hadc.Init.ScanConvMode = DISABLE;
hadc.Init.ContinuousConvMode = DISABLE;
hadc.Init.DiscontinuousConvMode = DISABLE;
hadc.Init.ExternalTrigConvEdge = ADC_EXTERNALTRIGCONVEDGE_NONE;
hadc.Init.ExternalTrigConv = ADC_SOFTWARE_START;
hadc.Init.DataAlign = ADC_DATAALIGN_RIGHT;
hadc.Init.NbrOfConversion = 1;
hadc.Init.DMAContinuousRequests = DISABLE;
hadc.Init.EOCSelection = ADC_EOC_SINGLE_CONV;
if (HAL_ADC_Init(&hadc) != HAL_OK)
{
Error_Handler();
}
sConfig.Channel = ADC_CHANNEL_0; // configure channel
sConfig.Rank = 1;
sConfig.SamplingTime = ADC_SAMPLETIME_15CYCLES;
if (HAL_ADC_ConfigChannel(&hadc, &sConfig) != HAL_OK)
{
Error_Handler();
}
}
static void MX_GPIO_Init(void)
{
GPIO_InitTypeDef GPIO_InitStruct = {0};
__HAL_RCC_GPIOA_CLK_ENABLE();
GPIO_InitStruct.Pin = GPIO_PIN_0; // configure pin
GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
GPIO_InitStruct.Pull = GPIO_NOPULL;
HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
}
```
这是一个基本的ADC示例代码,您需要根据您的应用程序进行更改和优化。
你是一名程序员,现在要用stm32f103ze给超声波模块GY_US42改IIC地址,并能够在串口调试助手查看模块的IIC地址,要求使用标准库写一份完整的代码,,完整代码包含IIC发送和接收函数,更改地址函数,mian函数,串口相关函数
好的,以下是我写的完整代码:
```c
#include "stm32f10x.h"
#include "stdio.h"
#define GY_US42_ADDR 0xE0 // GY-US42默认IIC地址
#define NEW_ADDR 0xE2 // 要改为的新IIC地址
void I2C_GPIO_Config(void);
void I2C_Config(void);
void I2C_SendByte(uint8_t addr, uint8_t data);
uint8_t I2C_ReadByte(uint8_t addr);
void GY_US42_SetAddr(uint8_t newAddr);
void USART1_Config(void);
void USART1_SendChar(char c);
void USART1_SendString(char* str);
void delay_ms(uint32_t ms);
int main(void)
{
SystemInit();
I2C_GPIO_Config();
I2C_Config();
USART1_Config();
GY_US42_SetAddr(NEW_ADDR); // 改变GY-US42的IIC地址为NEW_ADDR
while (1)
{
uint8_t addr = I2C_ReadByte(GY_US42_ADDR); // 读取GY-US42的IIC地址
char buf[20];
sprintf(buf, "IIC Addr: 0x%x\r\n", addr);
USART1_SendString(buf);
delay_ms(1000);
}
}
void I2C_GPIO_Config(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB, ENABLE);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6 | GPIO_Pin_7;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_OD;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(GPIOB, &GPIO_InitStructure);
}
void I2C_Config(void)
{
I2C_InitTypeDef I2C_InitStructure;
RCC_APB1PeriphClockCmd(RCC_APB1Periph_I2C1, ENABLE);
I2C_InitStructure.I2C_Mode = I2C_Mode_I2C;
I2C_InitStructure.I2C_DutyCycle = I2C_DutyCycle_2;
I2C_InitStructure.I2C_OwnAddress1 = 0x00;
I2C_InitStructure.I2C_Ack = I2C_Ack_Enable;
I2C_InitStructure.I2C_AcknowledgedAddress = I2C_AcknowledgedAddress_7bit;
I2C_InitStructure.I2C_ClockSpeed = 100000;
I2C_Init(I2C1, &I2C_InitStructure);
I2C_Cmd(I2C1, ENABLE);
}
void I2C_SendByte(uint8_t addr, uint8_t data)
{
while (I2C_GetFlagStatus(I2C1, I2C_FLAG_BUSY));
I2C_GenerateSTART(I2C1, ENABLE);
while (!I2C_CheckEvent(I2C1, I2C_EVENT_MASTER_MODE_SELECT));
I2C_Send7bitAddress(I2C1, addr, I2C_Direction_Transmitter);
while (!I2C_CheckEvent(I2C1, I2C_EVENT_MASTER_TRANSMITTER_MODE_SELECTED));
I2C_SendData(I2C1, data);
while (!I2C_CheckEvent(I2C1, I2C_EVENT_MASTER_BYTE_TRANSMITTED));
I2C_GenerateSTOP(I2C1, ENABLE);
}
uint8_t I2C_ReadByte(uint8_t addr)
{
uint8_t data;
while (I2C_GetFlagStatus(I2C1, I2C_FLAG_BUSY));
I2C_GenerateSTART(I2C1, ENABLE);
while (!I2C_CheckEvent(I2C1, I2C_EVENT_MASTER_MODE_SELECT));
I2C_Send7bitAddress(I2C1, addr, I2C_Direction_Receiver);
while (!I2C_CheckEvent(I2C1, I2C_EVENT_MASTER_RECEIVER_MODE_SELECTED));
while (!I2C_CheckEvent(I2C1, I2C_EVENT_MASTER_BYTE_RECEIVED));
data = I2C_ReceiveData(I2C1);
I2C_AcknowledgeConfig(I2C1, DISABLE);
I2C_GenerateSTOP(I2C1, ENABLE);
return data;
}
void GY_US42_SetAddr(uint8_t newAddr)
{
I2C_SendByte(GY_US42_ADDR, 0xA0);
I2C_SendByte(GY_US42_ADDR, 0xAA);
I2C_SendByte(GY_US42_ADDR, 0xA5);
I2C_SendByte(GY_US42_ADDR, newAddr);
}
void USART1_Config(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
USART_InitTypeDef USART_InitStructure;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_USART1 | RCC_APB2Periph_GPIOA, ENABLE);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(GPIOA, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
GPIO_Init(GPIOA, &GPIO_InitStructure);
USART_InitStructure.USART_BaudRate = 115200;
USART_InitStructure.USART_WordLength = USART_WordLength_8b;
USART_InitStructure.USART_StopBits = USART_StopBits_1;
USART_InitStructure.USART_Parity = USART_Parity_No;
USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;
USART_InitStructure.USART_Mode = USART_Mode_Tx | USART_Mode_Rx;
USART_Init(USART1, &USART_InitStructure);
USART_Cmd(USART1, ENABLE);
}
void USART1_SendChar(char c)
{
while (USART_GetFlagStatus(USART1, USART_FLAG_TXE) == RESET);
USART_SendData(USART1, c);
}
void USART1_SendString(char* str)
{
while (*str)
{
USART1_SendChar(*str++);
}
}
void delay_ms(uint32_t ms)
{
SysTick->LOAD = 72000 - 1;
SysTick->CTRL = 0x05;
for (uint32_t i = 0; i < ms; i++)
{
while (!(SysTick->CTRL & 0x10000));
}
SysTick->CTRL = 0x00;
}
```
其中,`I2C_GPIO_Config`和`I2C_Config`函数负责配置IIC总线,`I2C_SendByte`和`I2C_ReadByte`函数分别用于发送和接收IIC数据,`GY_US42_SetAddr`函数用于更改GY-US42的IIC地址,`USART1_Config`函数用于配置串口,`USART1_SendChar`和`USART1_SendString`函数分别用于发送单个字符和字符串,`delay_ms`函数用于延时。
在`main`函数中,首先进行各种配置,然后调用`GY_US42_SetAddr`函数将GY-US42的IIC地址更改为`NEW_ADDR`,然后进入一个死循环,每隔一秒读取一次GY-US42的IIC地址并通过串口输出。