/**
******************************************************************************
* @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
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收起资源包目录
移植MPU9250_DMP原代码到STM32F429 (141个子文件)
stm32f4xx_hal_i2c.c 230KB
stm32f4xx_hal_tim.c 213KB
stm32f4xx_hal_rcc_ex.c 153KB
stm32f4xx_hal_uart.c 108KB
inv_mpu.c 97KB
stm32f4xx_hal_tim_ex.c 66KB
inv_mpu_dmp_motion_driver.c 57KB
stm32f4xx_hal_flash_ex.c 51KB
data_builder.c 45KB
stm32f4xx_hal_rcc.c 41KB
stm32f4xx_hal_dma.c 40KB
arch.c 35KB
system_stm32f4xx.c 28KB
ml_math_func.c 25KB
stm32f4xx_hal_flash.c 24KB
stm32f4xx_hal_pwr_ex.c 23KB
stm32f4xx_hal_pwr.c 20KB
stm32f4xx_hal_gpio.c 19KB
stm32f4xx_hal.c 19KB
stm32f4xx_hal_cortex.c 19KB
hal_outputs.c 18KB
results_holder.c 16KB
stm32f4xx_hal_exti.c 12KB
eMPL_outputs.c 11KB
stm32f4xx_hal_dma_ex.c 11KB
storage_manager.c 7KB
stm32f4xx_hal_flash_ramfunc.c 6KB
stm32f4xx_it.c 6KB
log_stm32.c 6KB
stm32f4xx_hal_i2c_ex.c 6KB
main.c 5KB
i2c.c 3KB
usart.c 3KB
start_manager.c 3KB
board_resource.c 2KB
stm32f4xx_hal_msp.c 2KB
gpio.c 2KB
mpl.c 2KB
message_layer.c 2KB
gfxsimulator.c 1KB
mlmath.c 1KB
stm32f429xx.h 1.41MB
stm32f4xx_hal_rcc_ex.h 432KB
stm32_hal_legacy.h 189KB
core_cm33.h 171KB
core_armv8mml.h 165KB
core_cm7.h 145KB
core_cm4.h 121KB
stm32f4xx_hal_tim.h 111KB
core_cm3.h 109KB
core_sc300.h 108KB
core_cm23.h 102KB
core_armv8mbl.h 96KB
stm32f4xx_hal_gpio_ex.h 81KB
stm32f4xx_hal_rcc.h 74KB
stm32f4xx_hal_flash_ex.h 64KB
cmsis_gcc.h 61KB
cmsis_armclang.h 55KB
core_cm0plus.h 49KB
core_sc000.h 46KB
core_cm1.h 42KB
stm32f4xx_hal_uart.h 42KB
core_cm0.h 41KB
stm32f4xx_hal_dma.h 38KB
stm32f4xx_hal_i2c.h 35KB
cmsis_iccarm.h 28KB
cmsis_armcc.h 28KB
dmpKey.h 19KB
stm32f4xx_hal_cortex.h 17KB
stm32f4xx_hal_conf.h 17KB
stm32f4xx_hal_tim_ex.h 17KB
stm32f4xx_hal_pwr_ex.h 16KB
stm32f4xx_hal_flash.h 15KB
stm32f4xx_hal_pwr.h 14KB
stm32f4xx_hal.h 13KB
stm32f4xx_hal_gpio.h 12KB
mpu.h 11KB
mpu_armv7.h 11KB
mpu_armv8.h 11KB
stm32f4xx.h 10KB
log.h 10KB
stm32f4xx_hal_exti.h 10KB
mltypes.h 9KB
data_builder.h 9KB
cmsis_compiler.h 9KB
stm32f4xx_hal_def.h 7KB
dmpmap.h 7KB
ml_math_func.h 5KB
inv_mpu.h 5KB
system_stm32f4xx.h 4KB
inv_mpu_dmp_motion_driver.h 3KB
stm32f4xx_hal_i2c_ex.h 3KB
stm32f4xx_hal_dma_ex.h 3KB
results_holder.h 3KB
tz_context.h 3KB
stm32f4xx_hal_flash_ramfunc.h 2KB
mlmath.h 2KB
main.h 2KB
stm32f4xx_it.h 2KB
mlos.h 2KB
共 141 条
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