/**
******************************************************************************
* @file stm32f4xx_hal_i2c.c
* @author MCD Application Team
* @brief I2C HAL module driver.
* This file provides firmware functions to manage the following
* functionalities of the Inter Integrated Circuit (I2C) peripheral:
* + Initialization and de-initialization functions
* + IO operation functions
* + Peripheral State, Mode and Error functions
*
@verbatim
==============================================================================
##### How to use this driver #####
==============================================================================
[..]
The I2C HAL driver can be used as follows:
(#) Declare a I2C_HandleTypeDef handle structure, for example:
I2C_HandleTypeDef hi2c;
(#)Initialize the I2C low level resources by implementing the @ref HAL_I2C_MspInit() API:
(##) Enable the I2Cx interface clock
(##) I2C pins configuration
(+++) Enable the clock for the I2C GPIOs
(+++) Configure I2C pins as alternate function open-drain
(##) NVIC configuration if you need to use interrupt process
(+++) Configure the I2Cx interrupt priority
(+++) Enable the NVIC I2C IRQ Channel
(##) DMA Configuration if you need to use DMA process
(+++) Declare a DMA_HandleTypeDef handle structure for the transmit or receive stream
(+++) Enable the DMAx interface clock using
(+++) Configure the DMA handle parameters
(+++) Configure the DMA Tx or Rx stream
(+++) Associate the initialized DMA handle to the hi2c DMA Tx or Rx handle
(+++) Configure the priority and enable the NVIC for the transfer complete interrupt on
the DMA Tx or Rx stream
(#) Configure the Communication Speed, Duty cycle, Addressing mode, Own Address1,
Dual Addressing mode, Own Address2, General call and Nostretch mode in the hi2c Init structure.
(#) Initialize the I2C registers by calling the @ref HAL_I2C_Init(), configures also the low level Hardware
(GPIO, CLOCK, NVIC...etc) by calling the customized @ref HAL_I2C_MspInit() API.
(#) To check if target device is ready for communication, use the function @ref HAL_I2C_IsDeviceReady()
(#) For I2C IO and IO MEM operations, three operation modes are available within this driver :
*** Polling mode IO operation ***
=================================
[..]
(+) Transmit in master mode an amount of data in blocking mode using @ref HAL_I2C_Master_Transmit()
(+) Receive in master mode an amount of data in blocking mode using @ref HAL_I2C_Master_Receive()
(+) Transmit in slave mode an amount of data in blocking mode using @ref HAL_I2C_Slave_Transmit()
(+) Receive in slave mode an amount of data in blocking mode using @ref HAL_I2C_Slave_Receive()
*** Polling mode IO MEM operation ***
=====================================
[..]
(+) Write an amount of data in blocking mode to a specific memory address using @ref HAL_I2C_Mem_Write()
(+) Read an amount of data in blocking mode from a specific memory address using @ref HAL_I2C_Mem_Read()
*** Interrupt mode IO operation ***
===================================
[..]
(+) Transmit in master mode an amount of data in non-blocking mode using @ref HAL_I2C_Master_Transmit_IT()
(+) At transmission end of transfer, @ref HAL_I2C_MasterTxCpltCallback() is executed and user can
add his own code by customization of function pointer @ref HAL_I2C_MasterTxCpltCallback()
(+) Receive in master mode an amount of data in non-blocking mode using @ref HAL_I2C_Master_Receive_IT()
(+) At reception end of transfer, @ref HAL_I2C_MasterRxCpltCallback() is executed and user can
add his own code by customization of function pointer @ref HAL_I2C_MasterRxCpltCallback()
(+) Transmit in slave mode an amount of data in non-blocking mode using @ref HAL_I2C_Slave_Transmit_IT()
(+) At transmission end of transfer, @ref HAL_I2C_SlaveTxCpltCallback() is executed and user can
add his own code by customization of function pointer @ref HAL_I2C_SlaveTxCpltCallback()
(+) Receive in slave mode an amount of data in non-blocking mode using @ref HAL_I2C_Slave_Receive_IT()
(+) At reception end of transfer, @ref HAL_I2C_SlaveRxCpltCallback() is executed and user can
add his own code by customization of function pointer @ref HAL_I2C_SlaveRxCpltCallback()
(+) In case of transfer Error, @ref HAL_I2C_ErrorCallback() function is executed and user can
add his own code by customization of function pointer @ref HAL_I2C_ErrorCallback()
(+) Abort a master I2C process communication with Interrupt using @ref HAL_I2C_Master_Abort_IT()
(+) End of abort process, @ref HAL_I2C_AbortCpltCallback() is executed and user can
add his own code by customization of function pointer @ref HAL_I2C_AbortCpltCallback()
*** Interrupt mode or DMA mode IO sequential operation ***
==========================================================
[..]
(@) These interfaces allow to manage a sequential transfer with a repeated start condition
when a direction change during transfer
[..]
(+) A specific option field manage the different steps of a sequential transfer
(+) Option field values are defined through @ref I2C_XferOptions_definition and are listed below:
(++) I2C_FIRST_AND_LAST_FRAME: No sequential usage, functionnal is same as associated interfaces in no sequential mode
(++) I2C_FIRST_FRAME: Sequential usage, this option allow to manage a sequence with start condition, address
and data to transfer without a final stop condition
(++) I2C_FIRST_AND_NEXT_FRAME: Sequential usage (Master only), this option allow to manage a sequence with start condition, address
and data to transfer without a final stop condition, an then permit a call the same master sequential interface
several times (like @ref HAL_I2C_Master_Seq_Transmit_IT() then @ref HAL_I2C_Master_Seq_Transmit_IT()
or @ref HAL_I2C_Master_Seq_Transmit_DMA() then @ref HAL_I2C_Master_Seq_Transmit_DMA())
(++) I2C_NEXT_FRAME: Sequential usage, this option allow to manage a sequence with a restart condition, address
and with new data to transfer if the direction change or manage only the new data to transfer
if no direction change and without a final stop condition in both cases
(++) I2C_LAST_FRAME: Sequential usage, this option allow to manage a sequance with a restart condition, address
and with new data to transfer if the direction change or manage only the new data to transfer
if no direction change and with a final stop condition in both cases
(++) I2C_LAST_FRAME_NO_STOP: Sequential usage (Master only), this option allow to manage a restart condition after several call of the same master sequential
interface several times (link with option I2C_FIRST_AND_NEXT_FRAME).
Usage can, transfer several bytes one by one using HAL_I2C_Master_Seq_Transmit_IT(option I2C_FIRST_AND_NEXT_FRAME then I2C_NEXT_FRAME)
or HAL_I2C_Master_Seq_Receive_IT(option I2C_FIRST_AND_NEXT_FRAME then I2C_NEXT_FRAME)
or HAL_I2C_Master_Seq_Transmit_DMA(option I2C_FIRST_AND_NEXT_FRAME then I2C_NEXT_FRAME)
or HAL_I2C_Master_Seq_Receive_DMA
没有合适的资源?快使用搜索试试~ 我知道了~
资源推荐
资源详情
资源评论
收起资源包目录
arm mcu STM32跳转到系统厂家的dfu bootloader (481个子文件)
libPDMFilter_CM7_IAR_wc32.a 24KB
libPDMFilter_CM4_IAR_wc32.a 24KB
libPDMFilter_CM7_IAR_wc16.a 23KB
libPDMFilter_CM4_IAR_wc16.a 23KB
libPDMFilter_CM3_IAR.a 19KB
libPDMFilter_CM4_GCC_wc32.a 15KB
libPDMFilter_CM7_GCC_wc32.a 14KB
libPDMFilter_CM3_GCC.a 14KB
删除目标文件(用于打包备份).bat 533B
CopyHex_Flash.bat 130B
CopyHex_Flash.bat 42B
logo.bmp 7KB
project.uvguix.byb 175KB
stm32f4xx_hal_i2c.c 230KB
stm32f4xx_hal_fmpi2c.c 229KB
stm32f4xx_hal_tim.c 213KB
stm32f4xx_hal_cryp.c 210KB
stm32f4xx_hal_dfsdm.c 154KB
stm32f4xx_hal_rcc_ex.c 153KB
stm32f4xx_hal_spi.c 121KB
stm32f4xx_hal_hash.c 114KB
stm32f4xx_hal_uart.c 108KB
stm32f4xx_hal_sd.c 103KB
stm32f4xx_hal_usart.c 97KB
stm32f4xx_hal_smbus.c 97KB
stm32f4xx_hal_qspi.c 94KB
stm32f4xx_hal_irda.c 93KB
stm32f4xx_hal_mmc.c 93KB
stm32f4xx_hal_dsi.c 87KB
stm32f4xx_hal_smartcard.c 85KB
stm32f4xx_hal_can.c 82KB
stm32f4xx_hal_sai.c 81KB
stm32f4xx_hal_eth.c 81KB
stm32f4xx_hal_adc.c 77KB
stm32f4xx_hal_ltdc.c 71KB
stm32f4xx_hal_nand.c 68KB
usbh_audio.c 68KB
stm32f4xx_hal_dma2d.c 67KB
stm32f4xx_hal_lptim.c 67KB
stm32f4xx_hal_tim_ex.c 66KB
stm32f4xx_hal_i2s.c 65KB
stm32f4xx_hal_rtc.c 63KB
stm32f4xx_hal_pcd.c 61KB
usbh_mtp_ptp.c 60KB
stm32f4xx_ll_fmc.c 60KB
stm32f4xx_ll_usb.c 58KB
stm32f4xx_hal_rtc_ex.c 56KB
stm32f4xx_hal_can.c 54KB
stm32f4xx_hal_spdifrx.c 53KB
stm32f4xx_ll_rcc.c 51KB
stm32f4xx_hal_flash_ex.c 51KB
stm32f4xx_ll_sdmmc.c 49KB
stm32f4xx_hal_hcd.c 47KB
stm32f4xx_hal_dac.c 45KB
stm32f4xx_ll_tim.c 45KB
stm32f4xx_ll_adc.c 43KB
stm32f4xx_hal_adc_ex.c 42KB
stm32f4xx_hal_hash_ex.c 42KB
stm32f4xx_hal_rcc.c 41KB
stm32f4xx_hal_dma.c 40KB
stm32f4xx_hal_i2s_ex.c 39KB
stm32f4xx_hal_nor.c 38KB
bsp_uart_fifo.c 38KB
stm32f4xx_ll_fsmc.c 37KB
stm32f4xx_hal_dcmi.c 37KB
stm32f4xx_hal_sdram.c 35KB
usbh_mtp.c 34KB
stm32f4xx_hal_cec.c 32KB
stm32f4xx_ll_utils.c 32KB
stm32f4xx_ll_rtc.c 32KB
usbd_dfu.c 31KB
stm32f4xx_hal_pccard.c 31KB
stm32f4xx_hal_sram.c 30KB
usbh_ctlreq.c 30KB
usbd_cdc.c 29KB
usbh_core.c 29KB
system_stm32f4xx.c 28KB
stm32f4xx_hal_rng.c 26KB
usbh_msc.c 25KB
usbd_audio.c 25KB
stm32f4xx_hal_flash.c 24KB
usbh_hid.c 24KB
stm32f4xx_ll_spi.c 23KB
usbh_cdc.c 23KB
stm32f4xx_ll_dma2d.c 23KB
stm32f4xx_hal_pwr_ex.c 23KB
usbd_customhid.c 23KB
stm32f4xx_hal_cryp_ex.c 22KB
bsp_timer.c 20KB
stm32f4xx_hal_pwr.c 20KB
usbd_hid.c 19KB
stm32f4xx_hal_gpio.c 19KB
stm32f4xx_hal.c 19KB
stm32f4xx_ll_usart.c 19KB
stm32f4xx_hal_cortex.c 19KB
usbd_msc_scsi.c 19KB
usbh_msc_bot.c 19KB
usbd_ctlreq.c 18KB
stm32f4xx_ll_dma.c 18KB
bsp_tim_pwm.c 17KB
共 481 条
- 1
- 2
- 3
- 4
- 5
资源评论
Car12
- 粉丝: 3031
- 资源: 87
上传资源 快速赚钱
- 我的内容管理 展开
- 我的资源 快来上传第一个资源
- 我的收益 登录查看自己的收益
- 我的积分 登录查看自己的积分
- 我的C币 登录后查看C币余额
- 我的收藏
- 我的下载
- 下载帮助
最新资源
- 基于PHP与HTML的taskPHP计划任务设计源码
- BaiduNetdisk_mac_4.39.3_x64.dmg
- 基于PHP和JavaScript的讨论视图设计源码分享
- 基于Java、Kotlin、HTML、CSS、JavaScript的BreadKnife升级版设计源码
- 基于JavaGUI的围棋对弈系统设计源码
- F280025EPWM计算器
- 基于Java、JavaScript、CSS的OnlineBankSystem设计源码
- 基于JavaScript的高校英语四六级报名系统设计与实现源码
- 基于Spring Boot 2.1.7的Spring Cloud Greenwich核心组件与分布式事务Seata实战教程
- 基于Vue框架开发的教务管理系统设计源码
资源上传下载、课程学习等过程中有任何疑问或建议,欢迎提出宝贵意见哦~我们会及时处理!
点击此处反馈
安全验证
文档复制为VIP权益,开通VIP直接复制
信息提交成功