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fix interfaccia

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This commit is contained in:
nzasch
2022-01-12 01:09:32 +01:00
parent b9a7a1e15b
commit 6d0c31556a
435 changed files with 436215 additions and 10940 deletions
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315
codice/Drivers/STM32G4xx_HAL_Driver/Src/stm32g4xx_hal_smbus.c
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@@ -10,6 +10,17 @@
* + IO operation functions
* + Peripheral State and Errors functions
*
******************************************************************************
* @attention
*
* Copyright (c) 2019 STMicroelectronics.
* All rights reserved.
*
* This software is licensed under terms that can be found in the LICENSE file
* in the root directory of this software component.
* If no LICENSE file comes with this software, it is provided AS-IS.
*
******************************************************************************
@verbatim
==============================================================================
##### How to use this driver #####
@@ -20,7 +31,7 @@
(#) Declare a SMBUS_HandleTypeDef handle structure, for example:
SMBUS_HandleTypeDef hsmbus;
(#)Initialize the SMBUS low level resources by implementing the @ref HAL_SMBUS_MspInit() API:
(#)Initialize the SMBUS low level resources by implementing the HAL_SMBUS_MspInit() API:
(##) Enable the SMBUSx interface clock
(##) SMBUS pins configuration
(+++) Enable the clock for the SMBUS GPIOs
@@ -33,69 +44,75 @@
Dual Addressing mode, Own Address2, Own Address2 Mask, General call, Nostretch mode,
Peripheral mode and Packet Error Check mode in the hsmbus Init structure.
(#) Initialize the SMBUS registers by calling the @ref HAL_SMBUS_Init() API:
(#) Initialize the SMBUS registers by calling the HAL_SMBUS_Init() API:
(++) These API's configures also the low level Hardware GPIO, CLOCK, CORTEX...etc)
by calling the customized @ref HAL_SMBUS_MspInit(&hsmbus) API.
by calling the customized HAL_SMBUS_MspInit(&hsmbus) API.
(#) To check if target device is ready for communication, use the function @ref HAL_SMBUS_IsDeviceReady()
(#) To check if target device is ready for communication, use the function HAL_SMBUS_IsDeviceReady()
(#) For SMBUS IO operations, only one mode of operations is available within this driver
*** Interrupt mode IO operation ***
===================================
[..]
(+) Transmit in master/host SMBUS mode an amount of data in non-blocking mode using @ref HAL_SMBUS_Master_Transmit_IT()
(++) At transmission end of transfer @ref HAL_SMBUS_MasterTxCpltCallback() is executed and user can
add his own code by customization of function pointer @ref HAL_SMBUS_MasterTxCpltCallback()
(+) Receive in master/host SMBUS mode an amount of data in non-blocking mode using @ref HAL_SMBUS_Master_Receive_IT()
(++) At reception end of transfer @ref HAL_SMBUS_MasterRxCpltCallback() is executed and user can
add his own code by customization of function pointer @ref HAL_SMBUS_MasterRxCpltCallback()
(+) Abort a master/host SMBUS process communication with Interrupt using @ref HAL_SMBUS_Master_Abort_IT()
(+) Transmit in master/host SMBUS mode an amount of data in non-blocking mode
using HAL_SMBUS_Master_Transmit_IT()
(++) At transmission end of transfer HAL_SMBUS_MasterTxCpltCallback() is executed and users can
add their own code by customization of function pointer HAL_SMBUS_MasterTxCpltCallback()
(+) Receive in master/host SMBUS mode an amount of data in non-blocking mode
using HAL_SMBUS_Master_Receive_IT()
(++) At reception end of transfer HAL_SMBUS_MasterRxCpltCallback() is executed and users can
add their own code by customization of function pointer HAL_SMBUS_MasterRxCpltCallback()
(+) Abort a master/host SMBUS process communication with Interrupt using HAL_SMBUS_Master_Abort_IT()
(++) The associated previous transfer callback is called at the end of abort process
(++) mean @ref HAL_SMBUS_MasterTxCpltCallback() in case of previous state was master transmit
(++) mean @ref HAL_SMBUS_MasterRxCpltCallback() in case of previous state was master receive
(++) mean HAL_SMBUS_MasterTxCpltCallback() in case of previous state was master transmit
(++) mean HAL_SMBUS_MasterRxCpltCallback() in case of previous state was master receive
(+) Enable/disable the Address listen mode in slave/device or host/slave SMBUS mode
using @ref HAL_SMBUS_EnableListen_IT() @ref HAL_SMBUS_DisableListen_IT()
(++) When address slave/device SMBUS match, @ref HAL_SMBUS_AddrCallback() is executed and user can
add his own code to check the Address Match Code and the transmission direction request by master/host (Write/Read).
(++) At Listen mode end @ref HAL_SMBUS_ListenCpltCallback() is executed and user can
add his own code by customization of function pointer @ref HAL_SMBUS_ListenCpltCallback()
(+) Transmit in slave/device SMBUS mode an amount of data in non-blocking mode using @ref HAL_SMBUS_Slave_Transmit_IT()
(++) At transmission end of transfer @ref HAL_SMBUS_SlaveTxCpltCallback() is executed and user can
add his own code by customization of function pointer @ref HAL_SMBUS_SlaveTxCpltCallback()
(+) Receive in slave/device SMBUS mode an amount of data in non-blocking mode using @ref HAL_SMBUS_Slave_Receive_IT()
(++) At reception end of transfer @ref HAL_SMBUS_SlaveRxCpltCallback() is executed and user can
add his own code by customization of function pointer @ref HAL_SMBUS_SlaveRxCpltCallback()
(+) Enable/Disable the SMBUS alert mode using @ref HAL_SMBUS_EnableAlert_IT() @ref HAL_SMBUS_DisableAlert_IT()
(++) When SMBUS Alert is generated @ref HAL_SMBUS_ErrorCallback() is executed and user can
add his own code by customization of function pointer @ref HAL_SMBUS_ErrorCallback()
to check the Alert Error Code using function @ref HAL_SMBUS_GetError()
(+) Get HAL state machine or error values using @ref HAL_SMBUS_GetState() or @ref HAL_SMBUS_GetError()
(+) In case of transfer Error, @ref HAL_SMBUS_ErrorCallback() function is executed and user can
add his own code by customization of function pointer @ref HAL_SMBUS_ErrorCallback()
to check the Error Code using function @ref HAL_SMBUS_GetError()
using HAL_SMBUS_EnableListen_IT() HAL_SMBUS_DisableListen_IT()
(++) When address slave/device SMBUS match, HAL_SMBUS_AddrCallback() is executed and users can
add their own code to check the Address Match Code and the transmission direction
request by master/host (Write/Read).
(++) At Listen mode end HAL_SMBUS_ListenCpltCallback() is executed and users can
add their own code by customization of function pointer HAL_SMBUS_ListenCpltCallback()
(+) Transmit in slave/device SMBUS mode an amount of data in non-blocking mode
using HAL_SMBUS_Slave_Transmit_IT()
(++) At transmission end of transfer HAL_SMBUS_SlaveTxCpltCallback() is executed and users can
add their own code by customization of function pointer HAL_SMBUS_SlaveTxCpltCallback()
(+) Receive in slave/device SMBUS mode an amount of data in non-blocking mode
using HAL_SMBUS_Slave_Receive_IT()
(++) At reception end of transfer HAL_SMBUS_SlaveRxCpltCallback() is executed and users can
add their own code by customization of function pointer HAL_SMBUS_SlaveRxCpltCallback()
(+) Enable/Disable the SMBUS alert mode using
HAL_SMBUS_EnableAlert_IT() or HAL_SMBUS_DisableAlert_IT()
(++) When SMBUS Alert is generated HAL_SMBUS_ErrorCallback() is executed and users can
add their own code by customization of function pointer HAL_SMBUS_ErrorCallback()
to check the Alert Error Code using function HAL_SMBUS_GetError()
(+) Get HAL state machine or error values using HAL_SMBUS_GetState() or HAL_SMBUS_GetError()
(+) In case of transfer Error, HAL_SMBUS_ErrorCallback() function is executed and users can
add their own code by customization of function pointer HAL_SMBUS_ErrorCallback()
to check the Error Code using function HAL_SMBUS_GetError()
*** SMBUS HAL driver macros list ***
==================================
[..]
Below the list of most used macros in SMBUS HAL driver.
(+) @ref __HAL_SMBUS_ENABLE: Enable the SMBUS peripheral
(+) @ref __HAL_SMBUS_DISABLE: Disable the SMBUS peripheral
(+) @ref __HAL_SMBUS_GET_FLAG: Check whether the specified SMBUS flag is set or not
(+) @ref __HAL_SMBUS_CLEAR_FLAG: Clear the specified SMBUS pending flag
(+) @ref __HAL_SMBUS_ENABLE_IT: Enable the specified SMBUS interrupt
(+) @ref __HAL_SMBUS_DISABLE_IT: Disable the specified SMBUS interrupt
(+) __HAL_SMBUS_ENABLE: Enable the SMBUS peripheral
(+) __HAL_SMBUS_DISABLE: Disable the SMBUS peripheral
(+) __HAL_SMBUS_GET_FLAG: Check whether the specified SMBUS flag is set or not
(+) __HAL_SMBUS_CLEAR_FLAG: Clear the specified SMBUS pending flag
(+) __HAL_SMBUS_ENABLE_IT: Enable the specified SMBUS interrupt
(+) __HAL_SMBUS_DISABLE_IT: Disable the specified SMBUS interrupt
*** Callback registration ***
=============================================
[..]
The compilation flag USE_HAL_SMBUS_REGISTER_CALLBACKS when set to 1
allows the user to configure dynamically the driver callbacks.
Use Functions @ref HAL_SMBUS_RegisterCallback() or @ref HAL_SMBUS_RegisterAddrCallback()
Use Functions HAL_SMBUS_RegisterCallback() or HAL_SMBUS_RegisterAddrCallback()
to register an interrupt callback.
[..]
Function @ref HAL_SMBUS_RegisterCallback() allows to register following callbacks:
Function HAL_SMBUS_RegisterCallback() allows to register following callbacks:
(+) MasterTxCpltCallback : callback for Master transmission end of transfer.
(+) MasterRxCpltCallback : callback for Master reception end of transfer.
(+) SlaveTxCpltCallback : callback for Slave transmission end of transfer.
@@ -107,11 +124,11 @@
This function takes as parameters the HAL peripheral handle, the Callback ID
and a pointer to the user callback function.
[..]
For specific callback AddrCallback use dedicated register callbacks : @ref HAL_SMBUS_RegisterAddrCallback.
For specific callback AddrCallback use dedicated register callbacks : HAL_SMBUS_RegisterAddrCallback.
[..]
Use function @ref HAL_SMBUS_UnRegisterCallback to reset a callback to the default
Use function HAL_SMBUS_UnRegisterCallback to reset a callback to the default
weak function.
@ref HAL_SMBUS_UnRegisterCallback takes as parameters the HAL peripheral handle,
HAL_SMBUS_UnRegisterCallback takes as parameters the HAL peripheral handle,
and the Callback ID.
This function allows to reset following callbacks:
(+) MasterTxCpltCallback : callback for Master transmission end of transfer.
@@ -123,24 +140,24 @@
(+) MspInitCallback : callback for Msp Init.
(+) MspDeInitCallback : callback for Msp DeInit.
[..]
For callback AddrCallback use dedicated register callbacks : @ref HAL_SMBUS_UnRegisterAddrCallback.
For callback AddrCallback use dedicated register callbacks : HAL_SMBUS_UnRegisterAddrCallback.
[..]
By default, after the @ref HAL_SMBUS_Init() and when the state is @ref HAL_I2C_STATE_RESET
By default, after the HAL_SMBUS_Init() and when the state is HAL_I2C_STATE_RESET
all callbacks are set to the corresponding weak functions:
examples @ref HAL_SMBUS_MasterTxCpltCallback(), @ref HAL_SMBUS_MasterRxCpltCallback().
examples HAL_SMBUS_MasterTxCpltCallback(), HAL_SMBUS_MasterRxCpltCallback().
Exception done for MspInit and MspDeInit functions that are
reset to the legacy weak functions in the @ref HAL_SMBUS_Init()/ @ref HAL_SMBUS_DeInit() only when
reset to the legacy weak functions in the HAL_SMBUS_Init()/ HAL_SMBUS_DeInit() only when
these callbacks are null (not registered beforehand).
If MspInit or MspDeInit are not null, the @ref HAL_SMBUS_Init()/ @ref HAL_SMBUS_DeInit()
If MspInit or MspDeInit are not null, the HAL_SMBUS_Init()/ HAL_SMBUS_DeInit()
keep and use the user MspInit/MspDeInit callbacks (registered beforehand) whatever the state.
[..]
Callbacks can be registered/unregistered in @ref HAL_I2C_STATE_READY state only.
Callbacks can be registered/unregistered in HAL_I2C_STATE_READY state only.
Exception done MspInit/MspDeInit functions that can be registered/unregistered
in @ref HAL_I2C_STATE_READY or @ref HAL_I2C_STATE_RESET state,
in HAL_I2C_STATE_READY or HAL_I2C_STATE_RESET state,
thus registered (user) MspInit/DeInit callbacks can be used during the Init/DeInit.
Then, the user first registers the MspInit/MspDeInit user callbacks
using @ref HAL_SMBUS_RegisterCallback() before calling @ref HAL_SMBUS_DeInit()
or @ref HAL_SMBUS_Init() function.
using HAL_SMBUS_RegisterCallback() before calling HAL_SMBUS_DeInit()
or HAL_SMBUS_Init() function.
[..]
When the compilation flag USE_HAL_SMBUS_REGISTER_CALLBACKS is set to 0 or
not defined, the callback registration feature is not available and all callbacks
@@ -150,18 +167,6 @@
(@) You can refer to the SMBUS HAL driver header file for more useful macros
@endverbatim
******************************************************************************
* @attention
*
* <h2><center>&copy; Copyright (c) 2019 STMicroelectronics.
* All rights reserved.</center></h2>
*
* This software component is licensed by ST under BSD 3-Clause license,
* the "License"; You may not use this file except in compliance with the
* License. You may obtain a copy of the License at:
* opensource.org/licenses/BSD-3-Clause
*
******************************************************************************
*/
/* Includes ------------------------------------------------------------------*/
@@ -203,20 +208,28 @@
/** @addtogroup SMBUS_Private_Functions SMBUS Private Functions
* @{
*/
static HAL_StatusTypeDef SMBUS_WaitOnFlagUntilTimeout(SMBUS_HandleTypeDef *hsmbus, uint32_t Flag, FlagStatus Status,
uint32_t Timeout);
/* Private functions to handle flags during polling transfer */
static HAL_StatusTypeDef SMBUS_WaitOnFlagUntilTimeout(SMBUS_HandleTypeDef *hsmbus, uint32_t Flag,
FlagStatus Status, uint32_t Timeout);
static void SMBUS_Enable_IRQ(SMBUS_HandleTypeDef *hsmbus, uint32_t InterruptRequest);
static void SMBUS_Disable_IRQ(SMBUS_HandleTypeDef *hsmbus, uint32_t InterruptRequest);
/* Private functions for SMBUS transfer IRQ handler */
static HAL_StatusTypeDef SMBUS_Master_ISR(SMBUS_HandleTypeDef *hsmbus, uint32_t StatusFlags);
static HAL_StatusTypeDef SMBUS_Slave_ISR(SMBUS_HandleTypeDef *hsmbus, uint32_t StatusFlags);
static void SMBUS_ConvertOtherXferOptions(SMBUS_HandleTypeDef *hsmbus);
static void SMBUS_ITErrorHandler(SMBUS_HandleTypeDef *hsmbus);
static void SMBUS_TransferConfig(SMBUS_HandleTypeDef *hsmbus, uint16_t DevAddress, uint8_t Size, uint32_t Mode,
uint32_t Request);
/* Private functions to centralize the enable/disable of Interrupts */
static void SMBUS_Enable_IRQ(SMBUS_HandleTypeDef *hsmbus, uint32_t InterruptRequest);
static void SMBUS_Disable_IRQ(SMBUS_HandleTypeDef *hsmbus, uint32_t InterruptRequest);
/* Private function to flush TXDR register */
static void SMBUS_Flush_TXDR(SMBUS_HandleTypeDef *hsmbus);
/* Private function to handle start, restart or stop a transfer */
static void SMBUS_TransferConfig(SMBUS_HandleTypeDef *hsmbus, uint16_t DevAddress, uint8_t Size,
uint32_t Mode, uint32_t Request);
/* Private function to Convert Specific options */
static void SMBUS_ConvertOtherXferOptions(SMBUS_HandleTypeDef *hsmbus);
/**
* @}
*/
@@ -364,15 +377,20 @@ HAL_StatusTypeDef HAL_SMBUS_Init(SMBUS_HandleTypeDef *hsmbus)
/*---------------------------- SMBUSx OAR2 Configuration -----------------------*/
/* Configure SMBUSx: Dual mode and Own Address2 */
hsmbus->Instance->OAR2 = (hsmbus->Init.DualAddressMode | hsmbus->Init.OwnAddress2 | (hsmbus->Init.OwnAddress2Masks << 8U));
hsmbus->Instance->OAR2 = (hsmbus->Init.DualAddressMode | hsmbus->Init.OwnAddress2 | \
(hsmbus->Init.OwnAddress2Masks << 8U));
/*---------------------------- SMBUSx CR1 Configuration ------------------------*/
/* Configure SMBUSx: Generalcall and NoStretch mode */
hsmbus->Instance->CR1 = (hsmbus->Init.GeneralCallMode | hsmbus->Init.NoStretchMode | hsmbus->Init.PacketErrorCheckMode | hsmbus->Init.PeripheralMode | hsmbus->Init.AnalogFilter);
hsmbus->Instance->CR1 = (hsmbus->Init.GeneralCallMode | hsmbus->Init.NoStretchMode | \
hsmbus->Init.PacketErrorCheckMode | hsmbus->Init.PeripheralMode | \
hsmbus->Init.AnalogFilter);
/* Enable Slave Byte Control only in case of Packet Error Check is enabled and SMBUS Peripheral is set in Slave mode */
if ((hsmbus->Init.PacketErrorCheckMode == SMBUS_PEC_ENABLE)
&& ((hsmbus->Init.PeripheralMode == SMBUS_PERIPHERAL_MODE_SMBUS_SLAVE) || (hsmbus->Init.PeripheralMode == SMBUS_PERIPHERAL_MODE_SMBUS_SLAVE_ARP)))
/* Enable Slave Byte Control only in case of Packet Error Check is enabled
and SMBUS Peripheral is set in Slave mode */
if ((hsmbus->Init.PacketErrorCheckMode == SMBUS_PEC_ENABLE) && \
((hsmbus->Init.PeripheralMode == SMBUS_PERIPHERAL_MODE_SMBUS_SLAVE) || \
(hsmbus->Init.PeripheralMode == SMBUS_PERIPHERAL_MODE_SMBUS_SLAVE_ARP)))
{
hsmbus->Instance->CR1 |= I2C_CR1_SBC;
}
@@ -581,7 +599,8 @@ HAL_StatusTypeDef HAL_SMBUS_ConfigDigitalFilter(SMBUS_HandleTypeDef *hsmbus, uin
* @param pCallback pointer to the Callback function
* @retval HAL status
*/
HAL_StatusTypeDef HAL_SMBUS_RegisterCallback(SMBUS_HandleTypeDef *hsmbus, HAL_SMBUS_CallbackIDTypeDef CallbackID,
HAL_StatusTypeDef HAL_SMBUS_RegisterCallback(SMBUS_HandleTypeDef *hsmbus,
HAL_SMBUS_CallbackIDTypeDef CallbackID,
pSMBUS_CallbackTypeDef pCallback)
{
HAL_StatusTypeDef status = HAL_OK;
@@ -695,7 +714,8 @@ HAL_StatusTypeDef HAL_SMBUS_RegisterCallback(SMBUS_HandleTypeDef *hsmbus, HAL_SM
* @arg @ref HAL_SMBUS_MSPDEINIT_CB_ID MspDeInit callback ID
* @retval HAL status
*/
HAL_StatusTypeDef HAL_SMBUS_UnRegisterCallback(SMBUS_HandleTypeDef *hsmbus, HAL_SMBUS_CallbackIDTypeDef CallbackID)
HAL_StatusTypeDef HAL_SMBUS_UnRegisterCallback(SMBUS_HandleTypeDef *hsmbus,
HAL_SMBUS_CallbackIDTypeDef CallbackID)
{
HAL_StatusTypeDef status = HAL_OK;
@@ -790,7 +810,8 @@ HAL_StatusTypeDef HAL_SMBUS_UnRegisterCallback(SMBUS_HandleTypeDef *hsmbus, HAL_
* @param pCallback pointer to the Address Match Callback function
* @retval HAL status
*/
HAL_StatusTypeDef HAL_SMBUS_RegisterAddrCallback(SMBUS_HandleTypeDef *hsmbus, pSMBUS_AddrCallbackTypeDef pCallback)
HAL_StatusTypeDef HAL_SMBUS_RegisterAddrCallback(SMBUS_HandleTypeDef *hsmbus,
pSMBUS_AddrCallbackTypeDef pCallback)
{
HAL_StatusTypeDef status = HAL_OK;
@@ -914,8 +935,8 @@ HAL_StatusTypeDef HAL_SMBUS_UnRegisterAddrCallback(SMBUS_HandleTypeDef *hsmbus)
* @param XferOptions Options of Transfer, value of @ref SMBUS_XferOptions_definition
* @retval HAL status
*/
HAL_StatusTypeDef HAL_SMBUS_Master_Transmit_IT(SMBUS_HandleTypeDef *hsmbus, uint16_t DevAddress, uint8_t *pData,
uint16_t Size, uint32_t XferOptions)
HAL_StatusTypeDef HAL_SMBUS_Master_Transmit_IT(SMBUS_HandleTypeDef *hsmbus, uint16_t DevAddress,
uint8_t *pData, uint16_t Size, uint32_t XferOptions)
{
uint32_t tmp;
@@ -955,7 +976,8 @@ HAL_StatusTypeDef HAL_SMBUS_Master_Transmit_IT(SMBUS_HandleTypeDef *hsmbus, uint
if ((hsmbus->XferSize < hsmbus->XferCount) && (hsmbus->XferSize == MAX_NBYTE_SIZE))
{
SMBUS_TransferConfig(hsmbus, DevAddress, (uint8_t)hsmbus->XferSize,
SMBUS_RELOAD_MODE | (hsmbus->XferOptions & SMBUS_SENDPEC_MODE), SMBUS_GENERATE_START_WRITE);
SMBUS_RELOAD_MODE | (hsmbus->XferOptions & SMBUS_SENDPEC_MODE),
SMBUS_GENERATE_START_WRITE);
}
else
{
@@ -965,9 +987,11 @@ HAL_StatusTypeDef HAL_SMBUS_Master_Transmit_IT(SMBUS_HandleTypeDef *hsmbus, uint
/* Store current volatile XferOptions, misra rule */
tmp = hsmbus->XferOptions;
if ((hsmbus->PreviousState == HAL_SMBUS_STATE_MASTER_BUSY_TX) && (IS_SMBUS_TRANSFER_OTHER_OPTIONS_REQUEST(tmp) == 0))
if ((hsmbus->PreviousState == HAL_SMBUS_STATE_MASTER_BUSY_TX) && \
(IS_SMBUS_TRANSFER_OTHER_OPTIONS_REQUEST(tmp) == 0))
{
SMBUS_TransferConfig(hsmbus, DevAddress, (uint8_t)hsmbus->XferSize, hsmbus->XferOptions, SMBUS_NO_STARTSTOP);
SMBUS_TransferConfig(hsmbus, DevAddress, (uint8_t)hsmbus->XferSize, hsmbus->XferOptions,
SMBUS_NO_STARTSTOP);
}
/* Else transfer direction change, so generate Restart with new transfer direction */
else
@@ -976,7 +1000,9 @@ HAL_StatusTypeDef HAL_SMBUS_Master_Transmit_IT(SMBUS_HandleTypeDef *hsmbus, uint
SMBUS_ConvertOtherXferOptions(hsmbus);
/* Handle Transfer */
SMBUS_TransferConfig(hsmbus, DevAddress, (uint8_t)hsmbus->XferSize, hsmbus->XferOptions, SMBUS_GENERATE_START_WRITE);
SMBUS_TransferConfig(hsmbus, DevAddress, (uint8_t)hsmbus->XferSize,
hsmbus->XferOptions,
SMBUS_GENERATE_START_WRITE);
}
/* If PEC mode is enable, size to transmit manage by SW part should be Size-1 byte, corresponding to PEC byte */
@@ -1057,7 +1083,8 @@ HAL_StatusTypeDef HAL_SMBUS_Master_Receive_IT(SMBUS_HandleTypeDef *hsmbus, uint1
if ((hsmbus->XferSize < hsmbus->XferCount) && (hsmbus->XferSize == MAX_NBYTE_SIZE))
{
SMBUS_TransferConfig(hsmbus, DevAddress, (uint8_t)hsmbus->XferSize,
SMBUS_RELOAD_MODE | (hsmbus->XferOptions & SMBUS_SENDPEC_MODE), SMBUS_GENERATE_START_READ);
SMBUS_RELOAD_MODE | (hsmbus->XferOptions & SMBUS_SENDPEC_MODE),
SMBUS_GENERATE_START_READ);
}
else
{
@@ -1067,9 +1094,11 @@ HAL_StatusTypeDef HAL_SMBUS_Master_Receive_IT(SMBUS_HandleTypeDef *hsmbus, uint1
/* Store current volatile XferOptions, Misra rule */
tmp = hsmbus->XferOptions;
if ((hsmbus->PreviousState == HAL_SMBUS_STATE_MASTER_BUSY_RX) && (IS_SMBUS_TRANSFER_OTHER_OPTIONS_REQUEST(tmp) == 0))
if ((hsmbus->PreviousState == HAL_SMBUS_STATE_MASTER_BUSY_RX) && \
(IS_SMBUS_TRANSFER_OTHER_OPTIONS_REQUEST(tmp) == 0))
{
SMBUS_TransferConfig(hsmbus, DevAddress, (uint8_t)hsmbus->XferSize, hsmbus->XferOptions, SMBUS_NO_STARTSTOP);
SMBUS_TransferConfig(hsmbus, DevAddress, (uint8_t)hsmbus->XferSize, hsmbus->XferOptions,
SMBUS_NO_STARTSTOP);
}
/* Else transfer direction change, so generate Restart with new transfer direction */
else
@@ -1078,7 +1107,9 @@ HAL_StatusTypeDef HAL_SMBUS_Master_Receive_IT(SMBUS_HandleTypeDef *hsmbus, uint1
SMBUS_ConvertOtherXferOptions(hsmbus);
/* Handle Transfer */
SMBUS_TransferConfig(hsmbus, DevAddress, (uint8_t)hsmbus->XferSize, hsmbus->XferOptions, SMBUS_GENERATE_START_READ);
SMBUS_TransferConfig(hsmbus, DevAddress, (uint8_t)hsmbus->XferSize,
hsmbus->XferOptions,
SMBUS_GENERATE_START_READ);
}
}
@@ -1222,12 +1253,14 @@ HAL_StatusTypeDef HAL_SMBUS_Slave_Transmit_IT(SMBUS_HandleTypeDef *hsmbus, uint8
if ((hsmbus->XferSize < hsmbus->XferCount) && (hsmbus->XferSize == MAX_NBYTE_SIZE))
{
SMBUS_TransferConfig(hsmbus, 0, (uint8_t)hsmbus->XferSize,
SMBUS_RELOAD_MODE | (hsmbus->XferOptions & SMBUS_SENDPEC_MODE), SMBUS_NO_STARTSTOP);
SMBUS_RELOAD_MODE | (hsmbus->XferOptions & SMBUS_SENDPEC_MODE),
SMBUS_NO_STARTSTOP);
}
else
{
/* Set NBYTE to transmit */
SMBUS_TransferConfig(hsmbus, 0, (uint8_t)hsmbus->XferSize, hsmbus->XferOptions, SMBUS_NO_STARTSTOP);
SMBUS_TransferConfig(hsmbus, 0, (uint8_t)hsmbus->XferSize, hsmbus->XferOptions,
SMBUS_NO_STARTSTOP);
/* If PEC mode is enable, size to transmit should be Size-1 byte, corresponding to PEC byte */
/* PEC byte is automatically sent by HW block, no need to manage it in Transmit process */
@@ -1313,7 +1346,8 @@ HAL_StatusTypeDef HAL_SMBUS_Slave_Receive_IT(SMBUS_HandleTypeDef *hsmbus, uint8_
/* This RELOAD bit will be reset for last BYTE to be receive in SMBUS_Slave_ISR */
if (((SMBUS_GET_PEC_MODE(hsmbus) != 0UL) && (hsmbus->XferSize == 2U)) || (hsmbus->XferSize == 1U))
{
SMBUS_TransferConfig(hsmbus, 0, (uint8_t)hsmbus->XferSize, hsmbus->XferOptions, SMBUS_NO_STARTSTOP);
SMBUS_TransferConfig(hsmbus, 0, (uint8_t)hsmbus->XferSize, hsmbus->XferOptions,
SMBUS_NO_STARTSTOP);
}
else
{
@@ -1576,7 +1610,8 @@ void HAL_SMBUS_EV_IRQHandler(SMBUS_HandleTypeDef *hsmbus)
uint32_t tmpcr1value = READ_REG(hsmbus->Instance->CR1);
/* SMBUS in mode Transmitter ---------------------------------------------------*/
if ((SMBUS_CHECK_IT_SOURCE(tmpcr1value, (SMBUS_IT_TCI | SMBUS_IT_STOPI | SMBUS_IT_NACKI | SMBUS_IT_TXI)) != RESET) &&
if ((SMBUS_CHECK_IT_SOURCE(tmpcr1value, (SMBUS_IT_TCI | SMBUS_IT_STOPI |
SMBUS_IT_NACKI | SMBUS_IT_TXI)) != RESET) &&
((SMBUS_CHECK_FLAG(tmpisrvalue, SMBUS_FLAG_TXIS) != RESET) ||
(SMBUS_CHECK_FLAG(tmpisrvalue, SMBUS_FLAG_TCR) != RESET) ||
(SMBUS_CHECK_FLAG(tmpisrvalue, SMBUS_FLAG_TC) != RESET) ||
@@ -1600,7 +1635,8 @@ void HAL_SMBUS_EV_IRQHandler(SMBUS_HandleTypeDef *hsmbus)
}
/* SMBUS in mode Receiver ----------------------------------------------------*/
if ((SMBUS_CHECK_IT_SOURCE(tmpcr1value, (SMBUS_IT_TCI | SMBUS_IT_STOPI | SMBUS_IT_NACKI | SMBUS_IT_RXI)) != RESET) &&
if ((SMBUS_CHECK_IT_SOURCE(tmpcr1value, (SMBUS_IT_TCI | SMBUS_IT_STOPI |
SMBUS_IT_NACKI | SMBUS_IT_RXI)) != RESET) &&
((SMBUS_CHECK_FLAG(tmpisrvalue, SMBUS_FLAG_RXNE) != RESET) ||
(SMBUS_CHECK_FLAG(tmpisrvalue, SMBUS_FLAG_TCR) != RESET) ||
(SMBUS_CHECK_FLAG(tmpisrvalue, SMBUS_FLAG_TC) != RESET) ||
@@ -1720,7 +1756,8 @@ __weak void HAL_SMBUS_SlaveRxCpltCallback(SMBUS_HandleTypeDef *hsmbus)
* @param AddrMatchCode Address Match Code
* @retval None
*/
__weak void HAL_SMBUS_AddrCallback(SMBUS_HandleTypeDef *hsmbus, uint8_t TransferDirection, uint16_t AddrMatchCode)
__weak void HAL_SMBUS_AddrCallback(SMBUS_HandleTypeDef *hsmbus, uint8_t TransferDirection,
uint16_t AddrMatchCode)
{
/* Prevent unused argument(s) compilation warning */
UNUSED(hsmbus);
@@ -1842,6 +1879,9 @@ static HAL_StatusTypeDef SMBUS_Master_ISR(SMBUS_HandleTypeDef *hsmbus, uint32_t
/* No need to generate STOP, it is automatically done */
hsmbus->ErrorCode |= HAL_SMBUS_ERROR_ACKF;
/* Flush TX register */
SMBUS_Flush_TXDR(hsmbus);
/* Process Unlocked */
__HAL_UNLOCK(hsmbus);
@@ -1967,13 +2007,15 @@ static HAL_StatusTypeDef SMBUS_Master_ISR(SMBUS_HandleTypeDef *hsmbus, uint32_t
if (hsmbus->XferCount > MAX_NBYTE_SIZE)
{
SMBUS_TransferConfig(hsmbus, DevAddress, MAX_NBYTE_SIZE,
(SMBUS_RELOAD_MODE | (hsmbus->XferOptions & SMBUS_SENDPEC_MODE)), SMBUS_NO_STARTSTOP);
(SMBUS_RELOAD_MODE | (hsmbus->XferOptions & SMBUS_SENDPEC_MODE)),
SMBUS_NO_STARTSTOP);
hsmbus->XferSize = MAX_NBYTE_SIZE;
}
else
{
hsmbus->XferSize = hsmbus->XferCount;
SMBUS_TransferConfig(hsmbus, DevAddress, (uint8_t)hsmbus->XferSize, hsmbus->XferOptions, SMBUS_NO_STARTSTOP);
SMBUS_TransferConfig(hsmbus, DevAddress, (uint8_t)hsmbus->XferSize, hsmbus->XferOptions,
SMBUS_NO_STARTSTOP);
/* If PEC mode is enable, size to transmit should be Size-1 byte, corresponding to PEC byte */
/* PEC byte is automatically sent by HW block, no need to manage it in Transmit process */
if (SMBUS_GET_PEC_MODE(hsmbus) != 0UL)
@@ -2130,6 +2172,9 @@ static HAL_StatusTypeDef SMBUS_Slave_ISR(SMBUS_HandleTypeDef *hsmbus, uint32_t S
/* Clear NACK Flag */
__HAL_SMBUS_CLEAR_FLAG(hsmbus, SMBUS_FLAG_AF);
/* Flush TX register */
SMBUS_Flush_TXDR(hsmbus);
/* Process Unlocked */
__HAL_UNLOCK(hsmbus);
}
@@ -2151,6 +2196,9 @@ static HAL_StatusTypeDef SMBUS_Slave_ISR(SMBUS_HandleTypeDef *hsmbus, uint32_t S
/* Set ErrorCode corresponding to a Non-Acknowledge */
hsmbus->ErrorCode |= HAL_SMBUS_ERROR_ACKF;
/* Flush TX register */
SMBUS_Flush_TXDR(hsmbus);
/* Process Unlocked */
__HAL_UNLOCK(hsmbus);
@@ -2225,7 +2273,9 @@ static HAL_StatusTypeDef SMBUS_Slave_ISR(SMBUS_HandleTypeDef *hsmbus, uint32_t S
else
{
/* Set Reload for next Bytes */
SMBUS_TransferConfig(hsmbus, 0, 1, SMBUS_RELOAD_MODE | (hsmbus->XferOptions & SMBUS_SENDPEC_MODE), SMBUS_NO_STARTSTOP);
SMBUS_TransferConfig(hsmbus, 0, 1,
SMBUS_RELOAD_MODE | (hsmbus->XferOptions & SMBUS_SENDPEC_MODE),
SMBUS_NO_STARTSTOP);
/* Ack last Byte Read */
hsmbus->Instance->CR2 &= ~I2C_CR2_NACK;
@@ -2237,14 +2287,16 @@ static HAL_StatusTypeDef SMBUS_Slave_ISR(SMBUS_HandleTypeDef *hsmbus, uint32_t S
{
if (hsmbus->XferCount > MAX_NBYTE_SIZE)
{
SMBUS_TransferConfig(hsmbus, 0, MAX_NBYTE_SIZE, (SMBUS_RELOAD_MODE | (hsmbus->XferOptions & SMBUS_SENDPEC_MODE)),
SMBUS_TransferConfig(hsmbus, 0, MAX_NBYTE_SIZE,
(SMBUS_RELOAD_MODE | (hsmbus->XferOptions & SMBUS_SENDPEC_MODE)),
SMBUS_NO_STARTSTOP);
hsmbus->XferSize = MAX_NBYTE_SIZE;
}
else
{
hsmbus->XferSize = hsmbus->XferCount;
SMBUS_TransferConfig(hsmbus, 0, (uint8_t)hsmbus->XferSize, hsmbus->XferOptions, SMBUS_NO_STARTSTOP);
SMBUS_TransferConfig(hsmbus, 0, (uint8_t)hsmbus->XferSize, hsmbus->XferOptions,
SMBUS_NO_STARTSTOP);
/* If PEC mode is enable, size to transmit should be Size-1 byte, corresponding to PEC byte */
/* PEC byte is automatically sent by HW block, no need to manage it in Transmit process */
if (SMBUS_GET_PEC_MODE(hsmbus) != 0UL)
@@ -2489,7 +2541,8 @@ static void SMBUS_ITErrorHandler(SMBUS_HandleTypeDef *hsmbus)
uint32_t tmperror;
/* SMBUS Bus error interrupt occurred ------------------------------------*/
if (((itflags & SMBUS_FLAG_BERR) == SMBUS_FLAG_BERR) && ((itsources & SMBUS_IT_ERRI) == SMBUS_IT_ERRI))
if (((itflags & SMBUS_FLAG_BERR) == SMBUS_FLAG_BERR) && \
((itsources & SMBUS_IT_ERRI) == SMBUS_IT_ERRI))
{
hsmbus->ErrorCode |= HAL_SMBUS_ERROR_BERR;
@@ -2498,7 +2551,8 @@ static void SMBUS_ITErrorHandler(SMBUS_HandleTypeDef *hsmbus)
}
/* SMBUS Over-Run/Under-Run interrupt occurred ----------------------------------------*/
if (((itflags & SMBUS_FLAG_OVR) == SMBUS_FLAG_OVR) && ((itsources & SMBUS_IT_ERRI) == SMBUS_IT_ERRI))
if (((itflags & SMBUS_FLAG_OVR) == SMBUS_FLAG_OVR) && \
((itsources & SMBUS_IT_ERRI) == SMBUS_IT_ERRI))
{
hsmbus->ErrorCode |= HAL_SMBUS_ERROR_OVR;
@@ -2507,7 +2561,8 @@ static void SMBUS_ITErrorHandler(SMBUS_HandleTypeDef *hsmbus)
}
/* SMBUS Arbitration Loss error interrupt occurred ------------------------------------*/
if (((itflags & SMBUS_FLAG_ARLO) == SMBUS_FLAG_ARLO) && ((itsources & SMBUS_IT_ERRI) == SMBUS_IT_ERRI))
if (((itflags & SMBUS_FLAG_ARLO) == SMBUS_FLAG_ARLO) && \
((itsources & SMBUS_IT_ERRI) == SMBUS_IT_ERRI))
{
hsmbus->ErrorCode |= HAL_SMBUS_ERROR_ARLO;
@@ -2516,7 +2571,8 @@ static void SMBUS_ITErrorHandler(SMBUS_HandleTypeDef *hsmbus)
}
/* SMBUS Timeout error interrupt occurred ---------------------------------------------*/
if (((itflags & SMBUS_FLAG_TIMEOUT) == SMBUS_FLAG_TIMEOUT) && ((itsources & SMBUS_IT_ERRI) == SMBUS_IT_ERRI))
if (((itflags & SMBUS_FLAG_TIMEOUT) == SMBUS_FLAG_TIMEOUT) && \
((itsources & SMBUS_IT_ERRI) == SMBUS_IT_ERRI))
{
hsmbus->ErrorCode |= HAL_SMBUS_ERROR_BUSTIMEOUT;
@@ -2525,7 +2581,8 @@ static void SMBUS_ITErrorHandler(SMBUS_HandleTypeDef *hsmbus)
}
/* SMBUS Alert error interrupt occurred -----------------------------------------------*/
if (((itflags & SMBUS_FLAG_ALERT) == SMBUS_FLAG_ALERT) && ((itsources & SMBUS_IT_ERRI) == SMBUS_IT_ERRI))
if (((itflags & SMBUS_FLAG_ALERT) == SMBUS_FLAG_ALERT) && \
((itsources & SMBUS_IT_ERRI) == SMBUS_IT_ERRI))
{
hsmbus->ErrorCode |= HAL_SMBUS_ERROR_ALERT;
@@ -2534,7 +2591,8 @@ static void SMBUS_ITErrorHandler(SMBUS_HandleTypeDef *hsmbus)
}
/* SMBUS Packet Error Check error interrupt occurred ----------------------------------*/
if (((itflags & SMBUS_FLAG_PECERR) == SMBUS_FLAG_PECERR) && ((itsources & SMBUS_IT_ERRI) == SMBUS_IT_ERRI))
if (((itflags & SMBUS_FLAG_PECERR) == SMBUS_FLAG_PECERR) && \
((itsources & SMBUS_IT_ERRI) == SMBUS_IT_ERRI))
{
hsmbus->ErrorCode |= HAL_SMBUS_ERROR_PECERR;
@@ -2542,7 +2600,10 @@ static void SMBUS_ITErrorHandler(SMBUS_HandleTypeDef *hsmbus)
__HAL_SMBUS_CLEAR_FLAG(hsmbus, SMBUS_FLAG_PECERR);
}
/* Store current volatile hsmbus->State, misra rule */
/* Flush TX register */
SMBUS_Flush_TXDR(hsmbus);
/* Store current volatile hsmbus->ErrorCode, misra rule */
tmperror = hsmbus->ErrorCode;
/* Call the Error Callback in case of Error detected */
@@ -2582,8 +2643,8 @@ static void SMBUS_ITErrorHandler(SMBUS_HandleTypeDef *hsmbus)
* @param Timeout Timeout duration
* @retval HAL status
*/
static HAL_StatusTypeDef SMBUS_WaitOnFlagUntilTimeout(SMBUS_HandleTypeDef *hsmbus, uint32_t Flag, FlagStatus Status,
uint32_t Timeout)
static HAL_StatusTypeDef SMBUS_WaitOnFlagUntilTimeout(SMBUS_HandleTypeDef *hsmbus, uint32_t Flag,
FlagStatus Status, uint32_t Timeout)
{
uint32_t tickstart = HAL_GetTick();
@@ -2612,6 +2673,27 @@ static HAL_StatusTypeDef SMBUS_WaitOnFlagUntilTimeout(SMBUS_HandleTypeDef *hsmbu
return HAL_OK;
}
/**
* @brief SMBUS Tx data register flush process.
* @param hsmbus SMBUS handle.
* @retval None
*/
static void SMBUS_Flush_TXDR(SMBUS_HandleTypeDef *hsmbus)
{
/* If a pending TXIS flag is set */
/* Write a dummy data in TXDR to clear it */
if (__HAL_SMBUS_GET_FLAG(hsmbus, SMBUS_FLAG_TXIS) != RESET)
{
hsmbus->Instance->TXDR = 0x00U;
}
/* Flush TX register if not empty */
if (__HAL_SMBUS_GET_FLAG(hsmbus, SMBUS_FLAG_TXE) == RESET)
{
__HAL_SMBUS_CLEAR_FLAG(hsmbus, SMBUS_FLAG_TXE);
}
}
/**
* @brief Handle SMBUSx communication when starting transfer or during transfer (TC or TCR flag are set).
* @param hsmbus SMBUS handle.
@@ -2632,8 +2714,8 @@ static HAL_StatusTypeDef SMBUS_WaitOnFlagUntilTimeout(SMBUS_HandleTypeDef *hsmbu
* @arg @ref SMBUS_GENERATE_START_WRITE Generate Restart for write request.
* @retval None
*/
static void SMBUS_TransferConfig(SMBUS_HandleTypeDef *hsmbus, uint16_t DevAddress, uint8_t Size, uint32_t Mode,
uint32_t Request)
static void SMBUS_TransferConfig(SMBUS_HandleTypeDef *hsmbus, uint16_t DevAddress, uint8_t Size,
uint32_t Mode, uint32_t Request)
{
/* Check the parameters */
assert_param(IS_SMBUS_ALL_INSTANCE(hsmbus->Instance));
@@ -2644,9 +2726,10 @@ static void SMBUS_TransferConfig(SMBUS_HandleTypeDef *hsmbus, uint16_t DevAddre
MODIFY_REG(hsmbus->Instance->CR2,
((I2C_CR2_SADD | I2C_CR2_NBYTES | I2C_CR2_RELOAD | I2C_CR2_AUTOEND | \
(I2C_CR2_RD_WRN & (uint32_t)(Request >> (31UL - I2C_CR2_RD_WRN_Pos))) | \
I2C_CR2_START | I2C_CR2_STOP | I2C_CR2_PECBYTE)), \
I2C_CR2_START | I2C_CR2_STOP | I2C_CR2_PECBYTE)), \
(uint32_t)(((uint32_t)DevAddress & I2C_CR2_SADD) | \
(((uint32_t)Size << I2C_CR2_NBYTES_Pos) & I2C_CR2_NBYTES) | (uint32_t)Mode | (uint32_t)Request));
(((uint32_t)Size << I2C_CR2_NBYTES_Pos) & I2C_CR2_NBYTES) | \
(uint32_t)Mode | (uint32_t)Request));
}
/**
@@ -2703,5 +2786,3 @@ static void SMBUS_ConvertOtherXferOptions(SMBUS_HandleTypeDef *hsmbus)
/**
* @}
*/
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/