Frederick Huang
/
mbed-STM32L452
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Dependents: STM32L452_Nucleo_ticker
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Diff: targets/TARGET_STM/TARGET_STM32F1/device/stm32f1xx_hal_smartcard.c
- Revision:
- 165:e614a9f1c9e2
- Parent:
- 154:37f96f9d4de2
- Child:
- 178:79309dc6340a
--- a/targets/TARGET_STM/TARGET_STM32F1/device/stm32f1xx_hal_smartcard.c Wed May 10 12:06:41 2017 +0100
+++ b/targets/TARGET_STM/TARGET_STM32F1/device/stm32f1xx_hal_smartcard.c Fri May 26 12:39:01 2017 +0100
@@ -2,16 +2,15 @@
******************************************************************************
* @file stm32f1xx_hal_smartcard.c
* @author MCD Application Team
- * @version V1.0.5
- * @date 06-December-2016
+ * @version V1.1.0
+ * @date 14-April-2017
* @brief SMARTCARD HAL module driver.
* This file provides firmware functions to manage the following
* functionalities of the SMARTCARD peripheral:
* + Initialization and de-initialization functions
* + IO operation functions
+ * + Peripheral Control functions
* + Peripheral State and Errors functions
- * + Peripheral Control functions
- *
@verbatim
==============================================================================
##### How to use this driver #####
@@ -21,10 +20,10 @@
(#) Declare a SMARTCARD_HandleTypeDef handle structure.
(#) Initialize the SMARTCARD low level resources by implementing the HAL_SMARTCARD_MspInit() API:
- (##) Enable the interface clock of the USARTx associated to the SMARTCARD.
+ (##) Enable the USARTx interface clock.
(##) SMARTCARD pins configuration:
(+++) Enable the clock for the SMARTCARD GPIOs.
- (+++) Configure the USART pins (TX as alternate function pull-up, RX as alternate function Input).
+ (+++) Configure the SMARTCARD pins as alternate function pull-up.
(##) NVIC configuration if you need to use interrupt process (HAL_SMARTCARD_Transmit_IT()
and HAL_SMARTCARD_Receive_IT() APIs):
(+++) Configure the USARTx interrupt priority.
@@ -35,75 +34,84 @@
(+++) Enable the DMAx interface clock.
(+++) Configure the declared DMA handle structure with the required Tx/Rx parameters.
(+++) Configure the DMA Tx/Rx channel.
- (+++) Associate the initilalized DMA handle to the SMARTCARD DMA Tx/Rx handle.
+ (+++) Associate the initialized DMA handle to the SMARTCARD DMA Tx/Rx handle.
(+++) Configure the priority and enable the NVIC for the transfer complete interrupt on the DMA Tx/Rx channel.
(+++) Configure the USARTx interrupt priority and enable the NVIC USART IRQ handle
(used for last byte sending completion detection in DMA non circular mode)
- (#) Program the Baud Rate, Word Length , Stop Bit, Parity, Hardware
+ (#) Program the Baud Rate, Word Length, Stop Bit, Parity, Hardware
flow control and Mode(Receiver/Transmitter) in the SMARTCARD Init structure.
(#) Initialize the SMARTCARD registers by calling the HAL_SMARTCARD_Init() API:
- (++) This API configures also the low level Hardware GPIO, CLOCK, CORTEX...etc)
- by calling the customed HAL_SMARTCARD_MspInit(&hsc) API.
+ (++) These APIs configure also the low level Hardware GPIO, CLOCK, CORTEX...etc)
+ by calling the customized HAL_SMARTCARD_MspInit() API.
+ [..]
+ (@)The specific SMARTCARD interrupts (Transmission complete interrupt,
+ RXNE interrupt and Error Interrupts) will be managed using the macros
+ __HAL_SMARTCARD_ENABLE_IT() and __HAL_SMARTCARD_DISABLE_IT() inside the transmit and receive process.
+
+ [..]
+ Three operation modes are available within this driver:
- -@@- The specific SMARTCARD interrupts (Transmission complete interrupt,
- RXNE interrupt and Error Interrupts) will be managed using the macros
- __HAL_SMARTCARD_ENABLE_IT() and __HAL_SMARTCARD_DISABLE_IT() inside the transmit and receive process.
-
- (#) Three operation modes are available within this driver :
-
- *** Polling mode IO operation ***
- =================================
- [..]
- (+) Send an amount of data in blocking mode using HAL_SMARTCARD_Transmit()
- (+) Receive an amount of data in blocking mode using HAL_SMARTCARD_Receive()
-
- *** Interrupt mode IO operation ***
- ===================================
- [..]
- (+) Send an amount of data in non blocking mode using HAL_SMARTCARD_Transmit_IT()
- (+) At transmission end of transfer HAL_SMARTCARD_TxCpltCallback is executed and user can
- add his own code by customization of function pointer HAL_SMARTCARD_TxCpltCallback
- (+) Receive an amount of data in non blocking mode using HAL_SMARTCARD_Receive_IT()
- (+) At reception end of transfer HAL_SMARTCARD_RxCpltCallback is executed and user can
- add his own code by customization of function pointer HAL_SMARTCARD_RxCpltCallback
- (+) In case of transfer Error, HAL_SMARTCARD_ErrorCallback() function is executed and user can
- add his own code by customization of function pointer HAL_SMARTCARD_ErrorCallback
+ *** Polling mode IO operation ***
+ =================================
+ [..]
+ (+) Send an amount of data in blocking mode using HAL_SMARTCARD_Transmit()
+ (+) Receive an amount of data in blocking mode using HAL_SMARTCARD_Receive()
+ *** Interrupt mode IO operation ***
+ ===================================
+ [..]
+ (+) Send an amount of data in non blocking mode using HAL_SMARTCARD_Transmit_IT()
+ (+) At transmission end of transfer HAL_SMARTCARD_TxCpltCallback is executed and user can
+ add his own code by customization of function pointer HAL_SMARTCARD_TxCpltCallback
+ (+) Receive an amount of data in non blocking mode using HAL_SMARTCARD_Receive_IT()
+ (+) At reception end of transfer HAL_SMARTCARD_RxCpltCallback is executed and user can
+ add his own code by customization of function pointer HAL_SMARTCARD_RxCpltCallback
+ (+) In case of transfer Error, HAL_SMARTCARD_ErrorCallback() function is executed and user can
+ add his own code by customization of function pointer HAL_SMARTCARD_ErrorCallback
- *** DMA mode IO operation ***
- ==============================
- [..]
- (+) Send an amount of data in non blocking mode (DMA) using HAL_SMARTCARD_Transmit_DMA()
- (+) At transmission end of transfer HAL_SMARTCARD_TxCpltCallback is executed and user can
- add his own code by customization of function pointer HAL_SMARTCARD_TxCpltCallback
- (+) Receive an amount of data in non blocking mode (DMA) using HAL_SMARTCARD_Receive_DMA()
- (+) At reception end of transfer HAL_SMARTCARD_RxCpltCallback is executed and user can
- add his own code by customization of function pointer HAL_SMARTCARD_RxCpltCallback
- (+) In case of transfer Error, HAL_SMARTCARD_ErrorCallback() function is executed and user can
- add his own code by customization of function pointer HAL_SMARTCARD_ErrorCallback
+ *** DMA mode IO operation ***
+ ==============================
+ [..]
+ (+) Send an amount of data in non blocking mode (DMA) using HAL_SMARTCARD_Transmit_DMA()
+ (+) At transmission end of transfer HAL_SMARTCARD_TxCpltCallback is executed and user can
+ add his own code by customization of function pointer HAL_SMARTCARD_TxCpltCallback
+ (+) Receive an amount of data in non blocking mode (DMA) using HAL_SMARTCARD_Receive_DMA()
+ (+) At reception end of transfer HAL_SMARTCARD_RxCpltCallback is executed and user can
+ add his own code by customization of function pointer HAL_SMARTCARD_RxCpltCallback
+ (+) In case of transfer Error, HAL_SMARTCARD_ErrorCallback() function is executed and user can
+ add his own code by customization of function pointer HAL_SMARTCARD_ErrorCallback
- *** SMARTCARD HAL driver macros list ***
- ========================================
+ *** SMARTCARD HAL driver macros list ***
+ =============================================
+ [..]
+ Below the list of most used macros in SMARTCARD HAL driver.
+
+ (+) __HAL_SMARTCARD_ENABLE: Enable the SMARTCARD peripheral
+ (+) __HAL_SMARTCARD_DISABLE: Disable the SMARTCARD peripheral
+ (+) __HAL_SMARTCARD_GET_FLAG : Check whether the specified SMARTCARD flag is set or not
+ (+) __HAL_SMARTCARD_CLEAR_FLAG : Clear the specified SMARTCARD pending flag
+ (+) __HAL_SMARTCARD_ENABLE_IT: Enable the specified SMARTCARD interrupt
+ (+) __HAL_SMARTCARD_DISABLE_IT: Disable the specified SMARTCARD interrupt
+
+ [..]
+ (@) You can refer to the SMARTCARD HAL driver header file for more useful macros
+
+ @endverbatim
[..]
- Below the list of most used macros in SMARTCARD HAL driver.
-
- (+) __HAL_SMARTCARD_ENABLE: Enable the SMARTCARD peripheral
- (+) __HAL_SMARTCARD_DISABLE: Disable the SMARTCARD peripheral
- (+) __HAL_SMARTCARD_GET_FLAG : Check whether the specified SMARTCARD flag is set or not
- (+) __HAL_SMARTCARD_CLEAR_FLAG : Clear the specified SMARTCARD pending flag
- (+) __HAL_SMARTCARD_ENABLE_IT: Enable the specified SMARTCARD interrupt
- (+) __HAL_SMARTCARD_DISABLE_IT: Disable the specified SMARTCARD interrupt
- (+) __HAL_SMARTCARD_GET_IT_SOURCE: Check whether the specified SMARTCARD interrupt has occurred or not
-
- [..]
- (@) You can refer to the SMARTCARD HAL driver header file for more useful macros
-
- @endverbatim
+ (@) Additionnal remark: If the parity is enabled, then the MSB bit of the data written
+ in the data register is transmitted but is changed by the parity bit.
+ Depending on the frame length defined by the M bit (8-bits or 9-bits),
+ the possible SMARTCARD frame formats are as listed in the following table:
+ +-------------------------------------------------------------+
+ | M bit | PCE bit | SMARTCARD frame |
+ |---------------------|---------------------------------------|
+ | 1 | 1 | | SB | 8 bit data | PB | STB | |
+ +-------------------------------------------------------------+
******************************************************************************
* @attention
*
- * <h2><center>© COPYRIGHT(c) 2016 STMicroelectronics</center></h2>
+ * <h2><center>© COPYRIGHT(c) 2017 STMicroelectronics</center></h2>
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
@@ -141,42 +149,50 @@
* @brief HAL SMARTCARD module driver
* @{
*/
-
#ifdef HAL_SMARTCARD_MODULE_ENABLED
-
/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
-/* Private macros --------------------------------------------------------*/
+/** @addtogroup SMARTCARD_Private_Constants
+ * @{
+ */
+/**
+ * @}
+ */
+/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
/* Private function prototypes -----------------------------------------------*/
-/** @addtogroup SMARTCARD_Private_Functions SMARTCARD Private Functions
+/** @addtogroup SMARTCARD_Private_Functions
* @{
*/
+static void SMARTCARD_EndTxTransfer(SMARTCARD_HandleTypeDef *hsc);
+static void SMARTCARD_EndRxTransfer(SMARTCARD_HandleTypeDef *hsc);
+static void SMARTCARD_SetConfig (SMARTCARD_HandleTypeDef *hsc);
static HAL_StatusTypeDef SMARTCARD_Transmit_IT(SMARTCARD_HandleTypeDef *hsc);
static HAL_StatusTypeDef SMARTCARD_EndTransmit_IT(SMARTCARD_HandleTypeDef *hsmartcard);
static HAL_StatusTypeDef SMARTCARD_Receive_IT(SMARTCARD_HandleTypeDef *hsc);
-static void SMARTCARD_SetConfig (SMARTCARD_HandleTypeDef *hsc);
static void SMARTCARD_DMATransmitCplt(DMA_HandleTypeDef *hdma);
static void SMARTCARD_DMAReceiveCplt(DMA_HandleTypeDef *hdma);
static void SMARTCARD_DMAError(DMA_HandleTypeDef *hdma);
-static HAL_StatusTypeDef SMARTCARD_WaitOnFlagUntilTimeout(SMARTCARD_HandleTypeDef *hsc, uint32_t Flag, FlagStatus Status, uint32_t Timeout);
+static void SMARTCARD_DMAAbortOnError(DMA_HandleTypeDef *hdma);
+static void SMARTCARD_DMATxAbortCallback(DMA_HandleTypeDef *hdma);
+static void SMARTCARD_DMARxAbortCallback(DMA_HandleTypeDef *hdma);
+static void SMARTCARD_DMATxOnlyAbortCallback(DMA_HandleTypeDef *hdma);
+static void SMARTCARD_DMARxOnlyAbortCallback(DMA_HandleTypeDef *hdma);
+static HAL_StatusTypeDef SMARTCARD_WaitOnFlagUntilTimeout(SMARTCARD_HandleTypeDef *hsc, uint32_t Flag, FlagStatus Status, uint32_t Tickstart, uint32_t Timeout);
/**
* @}
*/
-
-/* Exported functions ---------------------------------------------------------*/
-
+/* Exported functions --------------------------------------------------------*/
/** @defgroup SMARTCARD_Exported_Functions SMARTCARD Exported Functions
* @{
*/
-/** @defgroup SMARTCARD_Exported_Functions_Group1 Initialization and de-initialization functions
+/** @defgroup SMARTCARD_Exported_Functions_Group1 SmartCard Initialization and de-initialization functions
* @brief Initialization and Configuration functions
*
@verbatim
-
==============================================================================
- ##### Initialization and Configuration functions #####
+ ##### Initialization and Configuration functions #####
==============================================================================
[..]
This subsection provides a set of functions allowing to initialize the USART
@@ -193,7 +209,7 @@
(++) Baud Rate
(++) Word Length => Should be 9 bits (8 bits + parity)
(++) Stop Bit
- (++) Parity: => Should be enabled
+ (++) Parity: => Should be enabled
(++) USART polarity
(++) USART phase
(++) USART LastBit
@@ -211,32 +227,23 @@
[..]
Please refer to the ISO 7816-3 specification for more details.
- (@) It is also possible to choose 0.5 stop bit for receiving but it is recommended
- to use 1.5 stop bits for both transmitting and receiving to avoid switching
- between the two configurations.
[..]
- The HAL_SMARTCARD_Init() function follows the USART SmartCard configuration
- procedure (details for the procedure are available in reference manuals
- (RM0008 for STM32F10Xxx MCUs and RM0041 for STM32F100xx MCUs)).
+ (@) It is also possible to choose 0.5 stop bit for receiving but it is recommended
+ to use 1.5 stop bits for both transmitting and receiving to avoid switching
+ between the two configurations.
+ [..]
+ The HAL_SMARTCARD_Init() function follows the USART SmartCard configuration
+ procedure (details for the procedure are available in reference manual (RM0329)).
@endverbatim
* @{
*/
-/*
- Additionnal remark on the smartcard frame:
- +-------------------------------------------------------------+
- | M bit | PCE bit | SMARTCARD frame |
- |---------------------|---------------------------------------|
- | 1 | 1 | | SB | 8 bit data | PB | STB | |
- +-------------------------------------------------------------+
-*/
-
/**
- * @brief Initializes the SmartCard mode according to the specified
- * parameters in the SMARTCARD_HandleTypeDef and create the associated handle.
- * @param hsc: Pointer to a SMARTCARD_HandleTypeDef structure that contains
- * the configuration information for the specified SMARTCARD module.
+ * @brief Initializes the SmartCard mode according to the specified
+ * parameters in the SMARTCARD_InitTypeDef and create the associated handle.
+ * @param hsc: pointer to a SMARTCARD_HandleTypeDef structure that contains
+ * the configuration information for SMARTCARD module.
* @retval HAL status
*/
HAL_StatusTypeDef HAL_SMARTCARD_Init(SMARTCARD_HandleTypeDef *hsc)
@@ -247,38 +254,26 @@
return HAL_ERROR;
}
- /* Check Wordlength, Parity and Stop bits parameters */
- if ( (!(IS_SMARTCARD_WORD_LENGTH(hsc->Init.WordLength)))
- ||(!(IS_SMARTCARD_STOPBITS(hsc->Init.StopBits)))
- ||(!(IS_SMARTCARD_PARITY(hsc->Init.Parity))) )
- {
- return HAL_ERROR;
- }
-
/* Check the parameters */
assert_param(IS_SMARTCARD_INSTANCE(hsc->Instance));
- assert_param(IS_SMARTCARD_NACK_STATE(hsc->Init.NACKState));
- assert_param(IS_SMARTCARD_PRESCALER(hsc->Init.Prescaler));
+
- if(hsc->State == HAL_SMARTCARD_STATE_RESET)
+ if(hsc->gState == HAL_SMARTCARD_STATE_RESET)
{
/* Allocate lock resource and initialize it */
hsc->Lock = HAL_UNLOCKED;
-
- /* Init the low level hardware */
+
+ /* Init the low level hardware : GPIO, CLOCK, CORTEX...etc */
HAL_SMARTCARD_MspInit(hsc);
}
-
- hsc->State = HAL_SMARTCARD_STATE_BUSY;
- /* Disable the Peripheral */
- __HAL_SMARTCARD_DISABLE(hsc);
-
+ hsc->gState = HAL_SMARTCARD_STATE_BUSY;
+
/* Set the Prescaler */
MODIFY_REG(hsc->Instance->GTPR, USART_GTPR_PSC, hsc->Init.Prescaler);
/* Set the Guard Time */
- MODIFY_REG(hsc->Instance->GTPR, USART_GTPR_GT, ((hsc->Init.GuardTime)<<8));
+ MODIFY_REG(hsc->Instance->GTPR, USART_GTPR_GT, ((hsc->Init.GuardTime)<<8U));
/* Set the Smartcard Communication parameters */
SMARTCARD_SetConfig(hsc);
@@ -289,26 +284,33 @@
CLEAR_BIT(hsc->Instance->CR2, USART_CR2_LINEN);
CLEAR_BIT(hsc->Instance->CR3, (USART_CR3_IREN | USART_CR3_HDSEL));
- /* Enable the Peripharal */
+ /* Enable the SMARTCARD Parity Error Interrupt */
+ SET_BIT(hsc->Instance->CR1, USART_CR1_PEIE);
+
+ /* Enable the SMARTCARD Framing Error Interrupt */
+ SET_BIT(hsc->Instance->CR3, USART_CR3_EIE);
+
+ /* Enable the Peripheral */
__HAL_SMARTCARD_ENABLE(hsc);
/* Configure the Smartcard NACK state */
MODIFY_REG(hsc->Instance->CR3, USART_CR3_NACK, hsc->Init.NACKState);
/* Enable the SC mode by setting the SCEN bit in the CR3 register */
- SET_BIT(hsc->Instance->CR3, USART_CR3_SCEN);
+ hsc->Instance->CR3 |= (USART_CR3_SCEN);
/* Initialize the SMARTCARD state*/
hsc->ErrorCode = HAL_SMARTCARD_ERROR_NONE;
- hsc->State= HAL_SMARTCARD_STATE_READY;
+ hsc->gState= HAL_SMARTCARD_STATE_READY;
+ hsc->RxState= HAL_SMARTCARD_STATE_READY;
return HAL_OK;
}
/**
- * @brief DeInitializes the SMARTCARD peripheral
- * @param hsc: Pointer to a SMARTCARD_HandleTypeDef structure that contains
- * the configuration information for the specified SMARTCARD module.
+ * @brief DeInitializes the USART SmartCard peripheral
+ * @param hsc: pointer to a SMARTCARD_HandleTypeDef structure that contains
+ * the configuration information for SMARTCARD module.
* @retval HAL status
*/
HAL_StatusTypeDef HAL_SMARTCARD_DeInit(SMARTCARD_HandleTypeDef *hsc)
@@ -322,22 +324,14 @@
/* Check the parameters */
assert_param(IS_SMARTCARD_INSTANCE(hsc->Instance));
- hsc->State = HAL_SMARTCARD_STATE_BUSY;
-
- /* Disable the Peripheral */
- __HAL_SMARTCARD_DISABLE(hsc);
+ hsc->gState = HAL_SMARTCARD_STATE_BUSY;
- hsc->Instance->CR1 = 0x0;
- hsc->Instance->CR2 = 0x0;
- hsc->Instance->CR3 = 0x0;
- hsc->Instance->BRR = 0x0;
- hsc->Instance->GTPR = 0x0;
-
/* DeInit the low level hardware */
HAL_SMARTCARD_MspDeInit(hsc);
hsc->ErrorCode = HAL_SMARTCARD_ERROR_NONE;
- hsc->State = HAL_SMARTCARD_STATE_RESET;
+ hsc->gState = HAL_SMARTCARD_STATE_RESET;
+ hsc->RxState = HAL_SMARTCARD_STATE_RESET;
/* Release Lock */
__HAL_UNLOCK(hsc);
@@ -346,33 +340,33 @@
}
/**
- * @brief SMARTCARD MSP Init.
- * @param hsc: Pointer to a SMARTCARD_HandleTypeDef structure that contains
- * the configuration information for the specified SMARTCARD module.
+ * @brief SMARTCARD MSP Init.
+ * @param hsc: pointer to a SMARTCARD_HandleTypeDef structure that contains
+ * the configuration information for SMARTCARD module.
* @retval None
*/
- __weak void HAL_SMARTCARD_MspInit(SMARTCARD_HandleTypeDef *hsc)
+__weak void HAL_SMARTCARD_MspInit(SMARTCARD_HandleTypeDef *hsc)
{
/* Prevent unused argument(s) compilation warning */
UNUSED(hsc);
/* NOTE: This function should not be modified, when the callback is needed,
- the HAL_SMARTCARD_MspInit can be implemented in the user file
- */
+ the HAL_SMARTCARD_MspInit could be implemented in the user file
+ */
}
/**
- * @brief SMARTCARD MSP DeInit.
- * @param hsc: Pointer to a SMARTCARD_HandleTypeDef structure that contains
- * the configuration information for the specified SMARTCARD module.
+ * @brief SMARTCARD MSP DeInit
+ * @param hsc: pointer to a SMARTCARD_HandleTypeDef structure that contains
+ * the configuration information for SMARTCARD module.
* @retval None
*/
- __weak void HAL_SMARTCARD_MspDeInit(SMARTCARD_HandleTypeDef *hsc)
+__weak void HAL_SMARTCARD_MspDeInit(SMARTCARD_HandleTypeDef *hsc)
{
/* Prevent unused argument(s) compilation warning */
UNUSED(hsc);
/* NOTE: This function should not be modified, when the callback is needed,
- the HAL_SMARTCARD_MspDeInit can be implemented in the user file
- */
+ the HAL_SMARTCARD_MspDeInit could be implemented in the user file
+ */
}
/**
@@ -383,33 +377,32 @@
* @brief SMARTCARD Transmit and Receive functions
*
@verbatim
- ==============================================================================
- ##### IO operation functions #####
- ==============================================================================
- [..]
- This subsection provides a set of functions allowing to manage the SMARTCARD data transfers.
+ ===============================================================================
+ ##### IO operation functions #####
+ ===============================================================================
+ [..]
+ This subsection provides a set of functions allowing to manage the SMARTCARD data transfers.
- [..]
+ [..]
(#) Smartcard is a single wire half duplex communication protocol.
The Smartcard interface is designed to support asynchronous protocol Smartcards as
defined in the ISO 7816-3 standard.
(#) The USART should be configured as:
- (++) 8 bits plus parity: where M=1 and PCE=1 in the USART_CR1 register
- (++) 1.5 stop bits when transmitting and receiving: where STOP=11 in the USART_CR2 register.
+ (++) 8 bits plus parity: where M=1 and PCE=1 in the USART_CR1 register
+ (++) 1.5 stop bits when transmitting and receiving: where STOP=11 in the USART_CR2 register.
(#) There are two modes of transfer:
- (++) Blocking mode: The communication is performed in polling mode.
- The HAL status of all data processing is returned by the same function
- after finishing transfer.
- (++) No-Blocking mode: The communication is performed using Interrupts
- or DMA, the relevant API's return the HAL status.
- The end of the data processing will be indicated through the
- dedicated SMARTCARD IRQ when using Interrupt mode or the DMA IRQ when
- using DMA mode.
- The HAL_SMARTCARD_TxCpltCallback(), HAL_SMARTCARD_RxCpltCallback() user callbacks
- will be executed respectively at the end of the Transmit or Receive process
- The HAL_SMARTCARD_ErrorCallback() user callback will be executed when a communication
- error is detected.
+ (++) Blocking mode: The communication is performed in polling mode.
+ The HAL status of all data processing is returned by the same function
+ after finishing transfer.
+ (++) Non Blocking mode: The communication is performed using Interrupts
+ or DMA, These APIs return the HAL status.
+ The end of the data processing will be indicated through the
+ dedicated SMARTCARD IRQ when using Interrupt mode or the DMA IRQ when
+ using DMA mode.
+ The HAL_SMARTCARD_TxCpltCallback(), HAL_SMARTCARD_RxCpltCallback() user callbacks
+ will be executed respectively at the end of the Transmit or Receive process
+ The HAL_SMARTCARD_ErrorCallback() user callback will be executed when a communication error is detected
(#) Blocking mode APIs are :
(++) HAL_SMARTCARD_Transmit()
@@ -434,22 +427,22 @@
*/
/**
- * @brief Sends an amount of data in blocking mode.
- * @param hsc: Pointer to a SMARTCARD_HandleTypeDef structure that contains
- * the configuration information for the specified SMARTCARD module.
- * @param pData: Pointer to data buffer
- * @param Size: Amount of data to be sent
- * @param Timeout: Specify timeout value
+ * @brief Send an amount of data in blocking mode
+ * @param hsc: pointer to a SMARTCARD_HandleTypeDef structure that contains
+ * the configuration information for SMARTCARD module.
+ * @param pData: pointer to data buffer
+ * @param Size: amount of data to be sent
+ * @param Timeout: Timeout duration
* @retval HAL status
*/
HAL_StatusTypeDef HAL_SMARTCARD_Transmit(SMARTCARD_HandleTypeDef *hsc, uint8_t *pData, uint16_t Size, uint32_t Timeout)
{
- uint32_t tmp_state = 0;
+ uint16_t* tmp;
+ uint32_t tickstart = 0U;
- tmp_state = hsc->State;
- if((tmp_state == HAL_SMARTCARD_STATE_READY) || (tmp_state == HAL_SMARTCARD_STATE_BUSY_RX))
+ if(hsc->gState == HAL_SMARTCARD_STATE_READY)
{
- if((pData == NULL) || (Size == 0))
+ if((pData == NULL) || (Size == 0U))
{
return HAL_ERROR;
}
@@ -458,112 +451,33 @@
__HAL_LOCK(hsc);
hsc->ErrorCode = HAL_SMARTCARD_ERROR_NONE;
- /* Check if a non-blocking receive process is ongoing or not */
- if(hsc->State == HAL_SMARTCARD_STATE_BUSY_RX)
- {
- hsc->State = HAL_SMARTCARD_STATE_BUSY_TX_RX;
- }
- else
- {
- hsc->State = HAL_SMARTCARD_STATE_BUSY_TX;
- }
-
+ hsc->gState = HAL_SMARTCARD_STATE_BUSY_TX;
+
+ /* Init tickstart for timeout managment */
+ tickstart = HAL_GetTick();
+
hsc->TxXferSize = Size;
hsc->TxXferCount = Size;
- while(hsc->TxXferCount > 0)
+ while(hsc->TxXferCount > 0U)
{
- if(SMARTCARD_WaitOnFlagUntilTimeout(hsc, SMARTCARD_FLAG_TXE, RESET, Timeout) != HAL_OK)
+ hsc->TxXferCount--;
+ if(SMARTCARD_WaitOnFlagUntilTimeout(hsc, SMARTCARD_FLAG_TXE, RESET, tickstart, Timeout) != HAL_OK)
{
return HAL_TIMEOUT;
}
- WRITE_REG(hsc->Instance->DR, (*pData++ & (uint8_t)0xFF));
- hsc->TxXferCount--;
+ tmp = (uint16_t*) pData;
+ hsc->Instance->DR = (*tmp & (uint16_t)0x01FF);
+ pData +=1U;
}
-
- if(SMARTCARD_WaitOnFlagUntilTimeout(hsc, SMARTCARD_FLAG_TC, RESET, Timeout) != HAL_OK)
+
+ if(SMARTCARD_WaitOnFlagUntilTimeout(hsc, SMARTCARD_FLAG_TC, RESET, tickstart, Timeout) != HAL_OK)
{
return HAL_TIMEOUT;
}
- /* Check if a non-blocking receive process is ongoing or not */
- if(hsc->State == HAL_SMARTCARD_STATE_BUSY_TX_RX)
- {
- hsc->State = HAL_SMARTCARD_STATE_BUSY_RX;
- }
- else
- {
- hsc->State = HAL_SMARTCARD_STATE_READY;
- }
- /* Process Unlocked */
- __HAL_UNLOCK(hsc);
-
- return HAL_OK;
- }
- else
- {
- return HAL_BUSY;
- }
-}
-
-/**
- * @brief Receive an amount of data in blocking mode.
- * @param hsc: Pointer to a SMARTCARD_HandleTypeDef structure that contains
- * the configuration information for the specified SMARTCARD module.
- * @param pData: Pointer to data buffer
- * @param Size: Amount of data to be received
- * @param Timeout: Specify timeout value
- * @retval HAL status
- */
-HAL_StatusTypeDef HAL_SMARTCARD_Receive(SMARTCARD_HandleTypeDef *hsc, uint8_t *pData, uint16_t Size, uint32_t Timeout)
-{
- uint32_t tmp_state = 0;
-
- tmp_state = hsc->State;
- if((tmp_state == HAL_SMARTCARD_STATE_READY) || (tmp_state == HAL_SMARTCARD_STATE_BUSY_TX))
- {
- if((pData == NULL) || (Size == 0))
- {
- return HAL_ERROR;
- }
-
- /* Process Locked */
- __HAL_LOCK(hsc);
+ /* At end of Tx process, restore hsc->gState to Ready */
+ hsc->gState = HAL_SMARTCARD_STATE_READY;
- hsc->ErrorCode = HAL_SMARTCARD_ERROR_NONE;
-
- /* Check if a non-blocking transmit process is ongoing or not */
- if(hsc->State == HAL_SMARTCARD_STATE_BUSY_TX)
- {
- hsc->State = HAL_SMARTCARD_STATE_BUSY_TX_RX;
- }
- else
- {
- hsc->State = HAL_SMARTCARD_STATE_BUSY_RX;
- }
-
- hsc->RxXferSize = Size;
- hsc->RxXferCount = Size;
- /* Check the remain data to be received */
- while(hsc->RxXferCount > 0)
- {
- if(SMARTCARD_WaitOnFlagUntilTimeout(hsc, SMARTCARD_FLAG_RXNE, RESET, Timeout) != HAL_OK)
- {
- return HAL_TIMEOUT;
- }
- *pData++ = (uint8_t)(hsc->Instance->DR & (uint8_t)0x00FF);
- hsc->RxXferCount--;
- }
-
- /* Check if a non-blocking transmit process is ongoing or not */
- if(hsc->State == HAL_SMARTCARD_STATE_BUSY_TX_RX)
- {
- hsc->State = HAL_SMARTCARD_STATE_BUSY_TX;
- }
- else
- {
- hsc->State = HAL_SMARTCARD_STATE_READY;
- }
-
/* Process Unlocked */
__HAL_UNLOCK(hsc);
@@ -576,238 +490,54 @@
}
/**
- * @brief Sends an amount of data in non-blocking mode.
- * @param hsc: Pointer to a SMARTCARD_HandleTypeDef structure that contains
- * the configuration information for the specified SMARTCARD module.
- * @param pData: Pointer to data buffer
- * @param Size: Amount of data to be sent
+ * @brief Receive an amount of data in blocking mode
+ * @param hsc: pointer to a SMARTCARD_HandleTypeDef structure that contains
+ * the configuration information for SMARTCARD module.
+ * @param pData: pointer to data buffer
+ * @param Size: amount of data to be received
+ * @param Timeout: Timeout duration
* @retval HAL status
*/
-HAL_StatusTypeDef HAL_SMARTCARD_Transmit_IT(SMARTCARD_HandleTypeDef *hsc, uint8_t *pData, uint16_t Size)
+HAL_StatusTypeDef HAL_SMARTCARD_Receive(SMARTCARD_HandleTypeDef *hsc, uint8_t *pData, uint16_t Size, uint32_t Timeout)
{
- uint32_t tmp_state = 0;
+ uint16_t* tmp;
+ uint32_t tickstart = 0U;
- tmp_state = hsc->State;
- if((tmp_state == HAL_SMARTCARD_STATE_READY) || (tmp_state == HAL_SMARTCARD_STATE_BUSY_RX))
+ if(hsc->RxState == HAL_SMARTCARD_STATE_READY)
{
- if((pData == NULL) || (Size == 0))
- {
- return HAL_ERROR;
- }
-
- /* Process Locked */
- __HAL_LOCK(hsc);
-
- hsc->pTxBuffPtr = pData;
- hsc->TxXferSize = Size;
- hsc->TxXferCount = Size;
-
- hsc->ErrorCode = HAL_SMARTCARD_ERROR_NONE;
- /* Check if a non-blocking receive process is ongoing or not */
- if(hsc->State == HAL_SMARTCARD_STATE_BUSY_RX)
- {
- hsc->State = HAL_SMARTCARD_STATE_BUSY_TX_RX;
- }
- else
+ if((pData == NULL) || (Size == 0U))
{
- hsc->State = HAL_SMARTCARD_STATE_BUSY_TX;
- }
-
- /* Process Unlocked */
- __HAL_UNLOCK(hsc);
-
- /* Enable the SMARTCARD Error Interrupt: (Frame error, noise error, overrun error) */
- __HAL_SMARTCARD_ENABLE_IT(hsc, SMARTCARD_IT_ERR);
-
- /* Enable the SMARTCARD Transmit data register empty Interrupt */
- __HAL_SMARTCARD_ENABLE_IT(hsc, SMARTCARD_IT_TXE);
-
- return HAL_OK;
- }
- else
- {
- return HAL_BUSY;
- }
-}
-
-/**
- * @brief Receives an amount of data in non-blocking mode.
- * @param hsc: Pointer to a SMARTCARD_HandleTypeDef structure that contains
- * the configuration information for the specified SMARTCARD module.
- * @param pData: Pointer to data buffer
- * @param Size: Amount of data to be received
- * @retval HAL status
- */
-HAL_StatusTypeDef HAL_SMARTCARD_Receive_IT(SMARTCARD_HandleTypeDef *hsc, uint8_t *pData, uint16_t Size)
-{
- uint32_t tmp_state = 0;
-
- tmp_state = hsc->State;
- if((tmp_state == HAL_SMARTCARD_STATE_READY) || (tmp_state == HAL_SMARTCARD_STATE_BUSY_TX))
- {
- if((pData == NULL) || (Size == 0))
- {
- return HAL_ERROR;
+ return HAL_ERROR;
}
/* Process Locked */
__HAL_LOCK(hsc);
+
+ hsc->ErrorCode = HAL_SMARTCARD_ERROR_NONE;
+ hsc->RxState = HAL_SMARTCARD_STATE_BUSY_RX;
- hsc->pRxBuffPtr = pData;
+ /* Init tickstart for timeout managment */
+ tickstart = HAL_GetTick();
+
hsc->RxXferSize = Size;
hsc->RxXferCount = Size;
- hsc->ErrorCode = HAL_SMARTCARD_ERROR_NONE;
- /* Check if a non-blocking transmit process is ongoing or not */
- if(hsc->State == HAL_SMARTCARD_STATE_BUSY_TX)
- {
- hsc->State = HAL_SMARTCARD_STATE_BUSY_TX_RX;
- }
- else
+ /* Check the remain data to be received */
+ while(hsc->RxXferCount > 0U)
{
- hsc->State = HAL_SMARTCARD_STATE_BUSY_RX;
- }
-
- /* Process Unlocked */
- __HAL_UNLOCK(hsc);
-
- /* Enable the SMARTCARD Data Register not empty Interrupt */
- __HAL_SMARTCARD_ENABLE_IT(hsc, SMARTCARD_IT_RXNE);
-
- /* Enable the SMARTCARD Parity Error Interrupt */
- __HAL_SMARTCARD_ENABLE_IT(hsc, SMARTCARD_IT_PE);
-
- /* Enable the SMARTCARD Error Interrupt: (Frame error, noise error, overrun error) */
- __HAL_SMARTCARD_ENABLE_IT(hsc, SMARTCARD_IT_ERR);
-
- return HAL_OK;
- }
- else
- {
- return HAL_BUSY;
- }
-}
-
-/**
- * @brief Sends an amount of data in non-blocking mode.
- * @param hsc: Pointer to a SMARTCARD_HandleTypeDef structure that contains
- * the configuration information for the specified SMARTCARD module.
- * @param pData: Pointer to data buffer
- * @param Size: Amount of data to be sent
- * @retval HAL status
- */
-HAL_StatusTypeDef HAL_SMARTCARD_Transmit_DMA(SMARTCARD_HandleTypeDef *hsc, uint8_t *pData, uint16_t Size)
-{
- uint32_t *tmp = 0;
- uint32_t tmp_state = 0;
-
- tmp_state = hsc->State;
- if((tmp_state == HAL_SMARTCARD_STATE_READY) || (tmp_state == HAL_SMARTCARD_STATE_BUSY_RX))
- {
- if((pData == NULL) || (Size == 0))
- {
- return HAL_ERROR;
- }
-
- /* Process Locked */
- __HAL_LOCK(hsc);
-
- hsc->pTxBuffPtr = pData;
- hsc->TxXferSize = Size;
- hsc->TxXferCount = Size;
-
- hsc->ErrorCode = HAL_SMARTCARD_ERROR_NONE;
- /* Check if a non-blocking receive process is ongoing or not */
- if(hsc->State == HAL_SMARTCARD_STATE_BUSY_RX)
- {
- hsc->State = HAL_SMARTCARD_STATE_BUSY_TX_RX;
- }
- else
- {
- hsc->State = HAL_SMARTCARD_STATE_BUSY_TX;
+ hsc->RxXferCount--;
+ if(SMARTCARD_WaitOnFlagUntilTimeout(hsc, SMARTCARD_FLAG_RXNE, RESET, tickstart, Timeout) != HAL_OK)
+ {
+ return HAL_TIMEOUT;
+ }
+ tmp = (uint16_t*) pData;
+ *tmp = (uint8_t)(hsc->Instance->DR & (uint8_t)0xFF);
+ pData +=1U;
}
- /* Set the SMARTCARD DMA transfer complete callback */
- hsc->hdmatx->XferCpltCallback = SMARTCARD_DMATransmitCplt;
-
- /* Set the DMA error callback */
- hsc->hdmatx->XferErrorCallback = SMARTCARD_DMAError;
-
- /* Enable the SMARTCARD transmit DMA channel */
- tmp = (uint32_t*)&pData;
- HAL_DMA_Start_IT(hsc->hdmatx, *(uint32_t*)tmp, (uint32_t)&hsc->Instance->DR, Size);
-
- /* Clear the TC flag in the SR register by writing 0 to it */
- __HAL_SMARTCARD_CLEAR_FLAG(hsc, SMARTCARD_FLAG_TC);
-
- /* Enable the DMA transfer for transmit request by setting the DMAT bit
- in the SMARTCARD CR3 register */
- SET_BIT(hsc->Instance->CR3,USART_CR3_DMAT);
-
- /* Process Unlocked */
- __HAL_UNLOCK(hsc);
-
- return HAL_OK;
- }
- else
- {
- return HAL_BUSY;
- }
-}
-
-/**
- * @brief Receive an amount of data in non-blocking mode.
- * @param hsc: Pointer to a SMARTCARD_HandleTypeDef structure that contains
- * the configuration information for the specified SMARTCARD module.
- * @param pData: Pointer to data buffer
- * @param Size: Amount of data to be received
- * @note When the SMARTCARD parity is enabled (PCE = 1) the data received contain the parity bit.
- * @retval HAL status
- */
-HAL_StatusTypeDef HAL_SMARTCARD_Receive_DMA(SMARTCARD_HandleTypeDef *hsc, uint8_t *pData, uint16_t Size)
-{
- uint32_t *tmp = 0;
- uint32_t tmp_state = 0;
-
- tmp_state = hsc->State;
- if((tmp_state == HAL_SMARTCARD_STATE_READY) || (tmp_state == HAL_SMARTCARD_STATE_BUSY_TX))
- {
- if((pData == NULL) || (Size == 0))
- {
- return HAL_ERROR;
- }
-
- /* Process Locked */
- __HAL_LOCK(hsc);
-
- hsc->pRxBuffPtr = pData;
- hsc->RxXferSize = Size;
-
- hsc->ErrorCode = HAL_SMARTCARD_ERROR_NONE;
- /* Check if a non-blocking transmit process is ongoing or not */
- if(hsc->State == HAL_SMARTCARD_STATE_BUSY_TX)
- {
- hsc->State = HAL_SMARTCARD_STATE_BUSY_TX_RX;
- }
- else
- {
- hsc->State = HAL_SMARTCARD_STATE_BUSY_RX;
- }
-
- /* Set the SMARTCARD DMA transfer complete callback */
- hsc->hdmarx->XferCpltCallback = SMARTCARD_DMAReceiveCplt;
-
- /* Set the DMA error callback */
- hsc->hdmarx->XferErrorCallback = SMARTCARD_DMAError;
-
- /* Enable the DMA channel */
- tmp = (uint32_t*)&pData;
- HAL_DMA_Start_IT(hsc->hdmarx, (uint32_t)&hsc->Instance->DR, *(uint32_t*)tmp, Size);
-
- /* Enable the DMA transfer for the receiver request by setting the DMAR bit
- in the SMARTCARD CR3 register */
- SET_BIT(hsc->Instance->CR3,USART_CR3_DMAR);
-
+ /* At end of Rx process, restore hsc->RxState to Ready */
+ hsc->RxState = HAL_SMARTCARD_STATE_READY;
+
/* Process Unlocked */
__HAL_UNLOCK(hsc);
@@ -820,124 +550,841 @@
}
/**
- * @brief This function handles SMARTCARD interrupt request.
- * @param hsc: Pointer to a SMARTCARD_HandleTypeDef structure that contains
- * the configuration information for the specified SMARTCARD module.
+ * @brief Send an amount of data in non blocking mode
+ * @param hsc: pointer to a SMARTCARD_HandleTypeDef structure that contains
+ * the configuration information for SMARTCARD module.
+ * @param pData: pointer to data buffer
+ * @param Size: amount of data to be sent
+ * @retval HAL status
+ */
+HAL_StatusTypeDef HAL_SMARTCARD_Transmit_IT(SMARTCARD_HandleTypeDef *hsc, uint8_t *pData, uint16_t Size)
+{
+ /* Check that a Tx process is not already ongoing */
+ if(hsc->gState == HAL_SMARTCARD_STATE_READY)
+ {
+ if((pData == NULL) || (Size == 0U))
+ {
+ return HAL_ERROR;
+ }
+ /* Process Locked */
+ __HAL_LOCK(hsc);
+
+ hsc->pTxBuffPtr = pData;
+ hsc->TxXferSize = Size;
+ hsc->TxXferCount = Size;
+
+ hsc->ErrorCode = HAL_SMARTCARD_ERROR_NONE;
+ hsc->gState = HAL_SMARTCARD_STATE_BUSY_TX;
+
+ /* Process Unlocked */
+ __HAL_UNLOCK(hsc);
+
+ /* Enable the SMARTCARD Parity Error Interrupt */
+ SET_BIT(hsc->Instance->CR1, USART_CR1_PEIE);
+
+ /* Disable the SMARTCARD Error Interrupt: (Frame error, noise error, overrun error) */
+ CLEAR_BIT(hsc->Instance->CR3, USART_CR3_EIE);
+
+ /* Enable the SMARTCARD Transmit data register empty Interrupt */
+ SET_BIT(hsc->Instance->CR1, USART_CR1_TXEIE);
+
+ return HAL_OK;
+ }
+ else
+ {
+ return HAL_BUSY;
+ }
+}
+
+/**
+ * @brief Receive an amount of data in non blocking mode
+ * @param hsc: pointer to a SMARTCARD_HandleTypeDef structure that contains
+ * the configuration information for SMARTCARD module.
+ * @param pData: pointer to data buffer
+ * @param Size: amount of data to be received
+ * @retval HAL status
+ */
+HAL_StatusTypeDef HAL_SMARTCARD_Receive_IT(SMARTCARD_HandleTypeDef *hsc, uint8_t *pData, uint16_t Size)
+{
+ /* Check that a Rx process is not already ongoing */
+ if(hsc->RxState == HAL_SMARTCARD_STATE_READY)
+ {
+ if((pData == NULL) || (Size == 0U))
+ {
+ return HAL_ERROR;
+ }
+
+ /* Process Locked */
+ __HAL_LOCK(hsc);
+
+ hsc->pRxBuffPtr = pData;
+ hsc->RxXferSize = Size;
+ hsc->RxXferCount = Size;
+
+ hsc->ErrorCode = HAL_SMARTCARD_ERROR_NONE;
+ hsc->RxState = HAL_SMARTCARD_STATE_BUSY_RX;
+
+ /* Process Unlocked */
+ __HAL_UNLOCK(hsc);
+
+ /* Enable the SMARTCARD Parity Error and Data Register not empty Interrupts */
+ SET_BIT(hsc->Instance->CR1, USART_CR1_PEIE| USART_CR1_RXNEIE);
+
+ /* Enable the SMARTCARD Error Interrupt: (Frame error, noise error, overrun error) */
+ SET_BIT(hsc->Instance->CR3, USART_CR3_EIE);
+
+ return HAL_OK;
+ }
+ else
+ {
+ return HAL_BUSY;
+ }
+}
+
+/**
+ * @brief Send an amount of data in non blocking mode
+ * @param hsc: pointer to a SMARTCARD_HandleTypeDef structure that contains
+ * the configuration information for SMARTCARD module.
+ * @param pData: pointer to data buffer
+ * @param Size: amount of data to be sent
+ * @retval HAL status
+ */
+HAL_StatusTypeDef HAL_SMARTCARD_Transmit_DMA(SMARTCARD_HandleTypeDef *hsc, uint8_t *pData, uint16_t Size)
+{
+ uint32_t *tmp;
+
+ /* Check that a Tx process is not already ongoing */
+ if(hsc->gState == HAL_SMARTCARD_STATE_READY)
+ {
+ if((pData == NULL) || (Size == 0U))
+ {
+ return HAL_ERROR;
+ }
+
+ /* Process Locked */
+ __HAL_LOCK(hsc);
+
+ hsc->pTxBuffPtr = pData;
+ hsc->TxXferSize = Size;
+ hsc->TxXferCount = Size;
+
+ hsc->ErrorCode = HAL_SMARTCARD_ERROR_NONE;
+ hsc->gState = HAL_SMARTCARD_STATE_BUSY_TX;
+
+ /* Set the SMARTCARD DMA transfer complete callback */
+ hsc->hdmatx->XferCpltCallback = SMARTCARD_DMATransmitCplt;
+
+ /* Set the DMA error callback */
+ hsc->hdmatx->XferErrorCallback = SMARTCARD_DMAError;
+
+ /* Set the DMA abort callback */
+ hsc->hdmatx->XferAbortCallback = NULL;
+
+ /* Enable the SMARTCARD transmit DMA Channel */
+ tmp = (uint32_t*)&pData;
+ HAL_DMA_Start_IT(hsc->hdmatx, *(uint32_t*)tmp, (uint32_t)&hsc->Instance->DR, Size);
+
+ /* Clear the TC flag in the SR register by writing 0 to it */
+ __HAL_SMARTCARD_CLEAR_FLAG(hsc, SMARTCARD_FLAG_TC);
+
+ /* Process Unlocked */
+ __HAL_UNLOCK(hsc);
+
+ /* Enable the DMA transfer for transmit request by setting the DMAT bit
+ in the SMARTCARD CR3 register */
+ SET_BIT(hsc->Instance->CR3, USART_CR3_DMAT);
+
+ return HAL_OK;
+ }
+ else
+ {
+ return HAL_BUSY;
+ }
+}
+
+/**
+ * @brief Receive an amount of data in non blocking mode
+ * @param hsc: pointer to a SMARTCARD_HandleTypeDef structure that contains
+ * the configuration information for SMARTCARD module.
+ * @param pData: pointer to data buffer
+ * @param Size: amount of data to be received
+ * @note When the SMARTCARD parity is enabled (PCE = 1) the data received contain the parity bit.s
+ * @retval HAL status
+ */
+HAL_StatusTypeDef HAL_SMARTCARD_Receive_DMA(SMARTCARD_HandleTypeDef *hsc, uint8_t *pData, uint16_t Size)
+{
+ uint32_t *tmp;
+
+ /* Check that a Rx process is not already ongoing */
+ if(hsc->RxState == HAL_SMARTCARD_STATE_READY)
+ {
+ if((pData == NULL) || (Size == 0U))
+ {
+ return HAL_ERROR;
+ }
+
+ /* Process Locked */
+ __HAL_LOCK(hsc);
+
+ hsc->pRxBuffPtr = pData;
+ hsc->RxXferSize = Size;
+
+ hsc->ErrorCode = HAL_SMARTCARD_ERROR_NONE;
+ hsc->RxState = HAL_SMARTCARD_STATE_BUSY_RX;
+
+ /* Set the SMARTCARD DMA transfer complete callback */
+ hsc->hdmarx->XferCpltCallback = SMARTCARD_DMAReceiveCplt;
+
+ /* Set the DMA error callback */
+ hsc->hdmarx->XferErrorCallback = SMARTCARD_DMAError;
+
+ /* Set the DMA abort callback */
+ hsc->hdmatx->XferAbortCallback = NULL;
+
+ /* Enable the DMA Channel */
+ tmp = (uint32_t*)&pData;
+ HAL_DMA_Start_IT(hsc->hdmarx, (uint32_t)&hsc->Instance->DR, *(uint32_t*)tmp, Size);
+
+ /* Clear the Overrun flag just before enabling the DMA Rx request: can be mandatory for the second transfer */
+ __HAL_SMARTCARD_CLEAR_OREFLAG(hsc);
+
+ /* Process Unlocked */
+ __HAL_UNLOCK(hsc);
+
+ /* Enable the SMARTCARD Parity Error Interrupt */
+ SET_BIT(hsc->Instance->CR1, USART_CR1_PEIE);
+
+ /* Enable the SMARTCARD Error Interrupt: (Frame error, noise error, overrun error) */
+ SET_BIT(hsc->Instance->CR3, USART_CR3_EIE);
+
+ /* Enable the DMA transfer for the receiver request by setting the DMAR bit
+ in the SMARTCARD CR3 register */
+ SET_BIT(hsc->Instance->CR3, USART_CR3_DMAR);
+
+ return HAL_OK;
+ }
+ else
+ {
+ return HAL_BUSY;
+ }
+}
+
+/**
+ * @brief Abort ongoing transfers (blocking mode).
+ * @param hsc SMARTCARD handle.
+ * @note This procedure could be used for aborting any ongoing transfer started in Interrupt or DMA mode.
+ * This procedure performs following operations :
+ * - Disable PPP Interrupts
+ * - Disable the DMA transfer in the peripheral register (if enabled)
+ * - Abort DMA transfer by calling HAL_DMA_Abort (in case of transfer in DMA mode)
+ * - Set handle State to READY
+ * @note This procedure is executed in blocking mode : when exiting function, Abort is considered as completed.
+ * @retval HAL status
+*/
+HAL_StatusTypeDef HAL_SMARTCARD_Abort(SMARTCARD_HandleTypeDef *hsc)
+{
+ /* Disable TXEIE, TCIE, RXNE, PE and ERR (Frame error, noise error, overrun error) interrupts */
+ CLEAR_BIT(hsc->Instance->CR1, (USART_CR1_RXNEIE | USART_CR1_PEIE | USART_CR1_TXEIE | USART_CR1_TCIE));
+ CLEAR_BIT(hsc->Instance->CR3, USART_CR3_EIE);
+
+ /* Disable the SMARTCARD DMA Tx request if enabled */
+ if(HAL_IS_BIT_SET(hsc->Instance->CR3, USART_CR3_DMAT))
+ {
+ CLEAR_BIT(hsc->Instance->CR3, USART_CR3_DMAT);
+
+ /* Abort the SMARTCARD DMA Tx channel: use blocking DMA Abort API (no callback) */
+ if(hsc->hdmatx != NULL)
+ {
+ /* Set the SMARTCARD DMA Abort callback to Null.
+ No call back execution at end of DMA abort procedure */
+ hsc->hdmatx->XferAbortCallback = NULL;
+
+ HAL_DMA_Abort(hsc->hdmatx);
+ }
+ }
+
+ /* Disable the SMARTCARD DMA Rx request if enabled */
+ if(HAL_IS_BIT_SET(hsc->Instance->CR3, USART_CR3_DMAR))
+ {
+ CLEAR_BIT(hsc->Instance->CR3, USART_CR3_DMAR);
+
+ /* Abort the SMARTCARD DMA Rx channel: use blocking DMA Abort API (no callback) */
+ if(hsc->hdmarx != NULL)
+ {
+ /* Set the SMARTCARD DMA Abort callback to Null.
+ No call back execution at end of DMA abort procedure */
+ hsc->hdmarx->XferAbortCallback = NULL;
+
+ HAL_DMA_Abort(hsc->hdmarx);
+ }
+ }
+
+ /* Reset Tx and Rx transfer counters */
+ hsc->TxXferCount = 0x00U;
+ hsc->RxXferCount = 0x00U;
+
+ /* Reset ErrorCode */
+ hsc->ErrorCode = HAL_SMARTCARD_ERROR_NONE;
+
+ /* Restore hsc->RxState and hsc->gState to Ready */
+ hsc->RxState = HAL_SMARTCARD_STATE_READY;
+ hsc->gState = HAL_SMARTCARD_STATE_READY;
+
+ return HAL_OK;
+}
+
+/**
+ * @brief Abort ongoing Transmit transfer (blocking mode).
+ * @param hsc SMARTCARD handle.
+ * @note This procedure could be used for aborting any ongoing transfer started in Interrupt or DMA mode.
+ * This procedure performs following operations :
+ * - Disable PPP Interrupts
+ * - Disable the DMA transfer in the peripheral register (if enabled)
+ * - Abort DMA transfer by calling HAL_DMA_Abort (in case of transfer in DMA mode)
+ * - Set handle State to READY
+ * @note This procedure is executed in blocking mode : when exiting function, Abort is considered as completed.
+ * @retval HAL status
+*/
+HAL_StatusTypeDef HAL_SMARTCARD_AbortTransmit(SMARTCARD_HandleTypeDef *hsc)
+{
+ /* Disable TXEIE and TCIE interrupts */
+ CLEAR_BIT(hsc->Instance->CR1, (USART_CR1_TXEIE | USART_CR1_TCIE));
+
+ /* Disable the SMARTCARD DMA Tx request if enabled */
+ if(HAL_IS_BIT_SET(hsc->Instance->CR3, USART_CR3_DMAT))
+ {
+ CLEAR_BIT(hsc->Instance->CR3, USART_CR3_DMAT);
+
+ /* Abort the SMARTCARD DMA Tx channel: use blocking DMA Abort API (no callback) */
+ if(hsc->hdmatx != NULL)
+ {
+ /* Set the SMARTCARD DMA Abort callback to Null.
+ No call back execution at end of DMA abort procedure */
+ hsc->hdmatx->XferAbortCallback = NULL;
+
+ HAL_DMA_Abort(hsc->hdmatx);
+ }
+ }
+
+ /* Reset Tx transfer counter */
+ hsc->TxXferCount = 0x00U;
+
+ /* Restore hsc->gState to Ready */
+ hsc->gState = HAL_SMARTCARD_STATE_READY;
+
+ return HAL_OK;
+}
+
+/**
+ * @brief Abort ongoing Receive transfer (blocking mode).
+ * @param hsc SMARTCARD handle.
+ * @note This procedure could be used for aborting any ongoing transfer started in Interrupt or DMA mode.
+ * This procedure performs following operations :
+ * - Disable PPP Interrupts
+ * - Disable the DMA transfer in the peripheral register (if enabled)
+ * - Abort DMA transfer by calling HAL_DMA_Abort (in case of transfer in DMA mode)
+ * - Set handle State to READY
+ * @note This procedure is executed in blocking mode : when exiting function, Abort is considered as completed.
+ * @retval HAL status
+*/
+HAL_StatusTypeDef HAL_SMARTCARD_AbortReceive(SMARTCARD_HandleTypeDef *hsc)
+{
+ /* Disable RXNE, PE and ERR (Frame error, noise error, overrun error) interrupts */
+ CLEAR_BIT(hsc->Instance->CR1, (USART_CR1_RXNEIE | USART_CR1_PEIE));
+ CLEAR_BIT(hsc->Instance->CR3, USART_CR3_EIE);
+
+ /* Disable the SMARTCARD DMA Rx request if enabled */
+ if(HAL_IS_BIT_SET(hsc->Instance->CR3, USART_CR3_DMAR))
+ {
+ CLEAR_BIT(hsc->Instance->CR3, USART_CR3_DMAR);
+
+ /* Abort the SMARTCARD DMA Rx channel: use blocking DMA Abort API (no callback) */
+ if(hsc->hdmarx != NULL)
+ {
+ /* Set the SMARTCARD DMA Abort callback to Null.
+ No call back execution at end of DMA abort procedure */
+ hsc->hdmarx->XferAbortCallback = NULL;
+
+ HAL_DMA_Abort(hsc->hdmarx);
+ }
+ }
+
+ /* Reset Rx transfer counter */
+ hsc->RxXferCount = 0x00U;
+
+ /* Restore hsc->RxState to Ready */
+ hsc->RxState = HAL_SMARTCARD_STATE_READY;
+
+ return HAL_OK;
+}
+
+/**
+ * @brief Abort ongoing transfers (Interrupt mode).
+ * @param hsc SMARTCARD handle.
+ * @note This procedure could be used for aborting any ongoing transfer started in Interrupt or DMA mode.
+ * This procedure performs following operations :
+ * - Disable PPP Interrupts
+ * - Disable the DMA transfer in the peripheral register (if enabled)
+ * - Abort DMA transfer by calling HAL_DMA_Abort_IT (in case of transfer in DMA mode)
+ * - Set handle State to READY
+ * - At abort completion, call user abort complete callback
+ * @note This procedure is executed in Interrupt mode, meaning that abort procedure could be
+ * considered as completed only when user abort complete callback is executed (not when exiting function).
+ * @retval HAL status
+*/
+HAL_StatusTypeDef HAL_SMARTCARD_Abort_IT(SMARTCARD_HandleTypeDef *hsc)
+{
+ uint32_t AbortCplt = 0x01U;
+
+ /* Disable TXEIE, TCIE, RXNE, PE and ERR (Frame error, noise error, overrun error) interrupts */
+ CLEAR_BIT(hsc->Instance->CR1, (USART_CR1_RXNEIE | USART_CR1_PEIE | USART_CR1_TXEIE | USART_CR1_TCIE));
+ CLEAR_BIT(hsc->Instance->CR3, USART_CR3_EIE);
+
+ /* If DMA Tx and/or DMA Rx Handles are associated to SMARTCARD Handle, DMA Abort complete callbacks should be initialised
+ before any call to DMA Abort functions */
+ /* DMA Tx Handle is valid */
+ if(hsc->hdmatx != NULL)
+ {
+ /* Set DMA Abort Complete callback if SMARTCARD DMA Tx request if enabled.
+ Otherwise, set it to NULL */
+ if(HAL_IS_BIT_SET(hsc->Instance->CR3, USART_CR3_DMAT))
+ {
+ hsc->hdmatx->XferAbortCallback = SMARTCARD_DMATxAbortCallback;
+ }
+ else
+ {
+ hsc->hdmatx->XferAbortCallback = NULL;
+ }
+ }
+ /* DMA Rx Handle is valid */
+ if(hsc->hdmarx != NULL)
+ {
+ /* Set DMA Abort Complete callback if SMARTCARD DMA Rx request if enabled.
+ Otherwise, set it to NULL */
+ if(HAL_IS_BIT_SET(hsc->Instance->CR3, USART_CR3_DMAR))
+ {
+ hsc->hdmarx->XferAbortCallback = SMARTCARD_DMARxAbortCallback;
+ }
+ else
+ {
+ hsc->hdmarx->XferAbortCallback = NULL;
+ }
+ }
+
+ /* Disable the SMARTCARD DMA Tx request if enabled */
+ if(HAL_IS_BIT_SET(hsc->Instance->CR3, USART_CR3_DMAT))
+ {
+ /* Disable DMA Tx at SMARTCARD level */
+ CLEAR_BIT(hsc->Instance->CR3, USART_CR3_DMAT);
+
+ /* Abort the SMARTCARD DMA Tx channel : use non blocking DMA Abort API (callback) */
+ if(hsc->hdmatx != NULL)
+ {
+ /* SMARTCARD Tx DMA Abort callback has already been initialised :
+ will lead to call HAL_SMARTCARD_AbortCpltCallback() at end of DMA abort procedure */
+
+ /* Abort DMA TX */
+ if(HAL_DMA_Abort_IT(hsc->hdmatx) != HAL_OK)
+ {
+ hsc->hdmatx->XferAbortCallback = NULL;
+ }
+ else
+ {
+ AbortCplt = 0x00U;
+ }
+ }
+ }
+
+ /* Disable the SMARTCARD DMA Rx request if enabled */
+ if(HAL_IS_BIT_SET(hsc->Instance->CR3, USART_CR3_DMAR))
+ {
+ CLEAR_BIT(hsc->Instance->CR3, USART_CR3_DMAR);
+
+ /* Abort the SMARTCARD DMA Rx channel : use non blocking DMA Abort API (callback) */
+ if(hsc->hdmarx != NULL)
+ {
+ /* SMARTCARD Rx DMA Abort callback has already been initialised :
+ will lead to call HAL_SMARTCARD_AbortCpltCallback() at end of DMA abort procedure */
+
+ /* Abort DMA RX */
+ if(HAL_DMA_Abort_IT(hsc->hdmarx) != HAL_OK)
+ {
+ hsc->hdmarx->XferAbortCallback = NULL;
+ AbortCplt = 0x01U;
+ }
+ else
+ {
+ AbortCplt = 0x00U;
+ }
+ }
+ }
+
+ /* if no DMA abort complete callback execution is required => call user Abort Complete callback */
+ if(AbortCplt == 0x01U)
+ {
+ /* Reset Tx and Rx transfer counters */
+ hsc->TxXferCount = 0x00U;
+ hsc->RxXferCount = 0x00U;
+
+ /* Reset ErrorCode */
+ hsc->ErrorCode = HAL_SMARTCARD_ERROR_NONE;
+
+ /* Restore hsc->gState and hsc->RxState to Ready */
+ hsc->gState = HAL_SMARTCARD_STATE_READY;
+ hsc->RxState = HAL_SMARTCARD_STATE_READY;
+
+ /* As no DMA to be aborted, call directly user Abort complete callback */
+ HAL_SMARTCARD_AbortCpltCallback(hsc);
+ }
+ return HAL_OK;
+}
+
+/**
+ * @brief Abort ongoing Transmit transfer (Interrupt mode).
+ * @param hsc SMARTCARD handle.
+ * @note This procedure could be used for aborting any ongoing transfer started in Interrupt or DMA mode.
+ * This procedure performs following operations :
+ * - Disable PPP Interrupts
+ * - Disable the DMA transfer in the peripheral register (if enabled)
+ * - Abort DMA transfer by calling HAL_DMA_Abort_IT (in case of transfer in DMA mode)
+ * - Set handle State to READY
+ * - At abort completion, call user abort complete callback
+ * @note This procedure is executed in Interrupt mode, meaning that abort procedure could be
+ * considered as completed only when user abort complete callback is executed (not when exiting function).
+ * @retval HAL status
+*/
+HAL_StatusTypeDef HAL_SMARTCARD_AbortTransmit_IT(SMARTCARD_HandleTypeDef *hsc)
+{
+ /* Disable TXEIE and TCIE interrupts */
+ CLEAR_BIT(hsc->Instance->CR1, (USART_CR1_TXEIE | USART_CR1_TCIE));
+
+ /* Disable the SMARTCARD DMA Tx request if enabled */
+ if(HAL_IS_BIT_SET(hsc->Instance->CR3, USART_CR3_DMAT))
+ {
+ CLEAR_BIT(hsc->Instance->CR3, USART_CR3_DMAT);
+
+ /* Abort the SMARTCARD DMA Tx channel : use blocking DMA Abort API (no callback) */
+ if(hsc->hdmatx != NULL)
+ {
+ /* Set the SMARTCARD DMA Abort callback :
+ will lead to call HAL_SMARTCARD_AbortCpltCallback() at end of DMA abort procedure */
+ hsc->hdmatx->XferAbortCallback = SMARTCARD_DMATxOnlyAbortCallback;
+
+ /* Abort DMA TX */
+ if(HAL_DMA_Abort_IT(hsc->hdmatx) != HAL_OK)
+ {
+ /* Call Directly hsc->hdmatx->XferAbortCallback function in case of error */
+ hsc->hdmatx->XferAbortCallback(hsc->hdmatx);
+ }
+ }
+ else
+ {
+ /* Reset Tx transfer counter */
+ hsc->TxXferCount = 0x00U;
+
+ /* Restore hsc->gState to Ready */
+ hsc->gState = HAL_SMARTCARD_STATE_READY;
+
+ /* As no DMA to be aborted, call directly user Abort complete callback */
+ HAL_SMARTCARD_AbortTransmitCpltCallback(hsc);
+ }
+ }
+ else
+ {
+ /* Reset Tx transfer counter */
+ hsc->TxXferCount = 0x00U;
+
+ /* Restore hsc->gState to Ready */
+ hsc->gState = HAL_SMARTCARD_STATE_READY;
+
+ /* As no DMA to be aborted, call directly user Abort complete callback */
+ HAL_SMARTCARD_AbortTransmitCpltCallback(hsc);
+ }
+
+ return HAL_OK;
+}
+
+/**
+ * @brief Abort ongoing Receive transfer (Interrupt mode).
+ * @param hsc SMARTCARD handle.
+ * @note This procedure could be used for aborting any ongoing transfer started in Interrupt or DMA mode.
+ * This procedure performs following operations :
+ * - Disable PPP Interrupts
+ * - Disable the DMA transfer in the peripheral register (if enabled)
+ * - Abort DMA transfer by calling HAL_DMA_Abort_IT (in case of transfer in DMA mode)
+ * - Set handle State to READY
+ * - At abort completion, call user abort complete callback
+ * @note This procedure is executed in Interrupt mode, meaning that abort procedure could be
+ * considered as completed only when user abort complete callback is executed (not when exiting function).
+ * @retval HAL status
+*/
+HAL_StatusTypeDef HAL_SMARTCARD_AbortReceive_IT(SMARTCARD_HandleTypeDef *hsc)
+{
+ /* Disable RXNE, PE and ERR (Frame error, noise error, overrun error) interrupts */
+ CLEAR_BIT(hsc->Instance->CR1, (USART_CR1_RXNEIE | USART_CR1_PEIE));
+ CLEAR_BIT(hsc->Instance->CR3, USART_CR3_EIE);
+
+ /* Disable the SMARTCARD DMA Rx request if enabled */
+ if(HAL_IS_BIT_SET(hsc->Instance->CR3, USART_CR3_DMAR))
+ {
+ CLEAR_BIT(hsc->Instance->CR3, USART_CR3_DMAR);
+
+ /* Abort the SMARTCARD DMA Rx channel : use blocking DMA Abort API (no callback) */
+ if(hsc->hdmarx != NULL)
+ {
+ /* Set the SMARTCARD DMA Abort callback :
+ will lead to call HAL_SMARTCARD_AbortCpltCallback() at end of DMA abort procedure */
+ hsc->hdmarx->XferAbortCallback = SMARTCARD_DMARxOnlyAbortCallback;
+
+ /* Abort DMA RX */
+ if(HAL_DMA_Abort_IT(hsc->hdmarx) != HAL_OK)
+ {
+ /* Call Directly hsc->hdmarx->XferAbortCallback function in case of error */
+ hsc->hdmarx->XferAbortCallback(hsc->hdmarx);
+ }
+ }
+ else
+ {
+ /* Reset Rx transfer counter */
+ hsc->RxXferCount = 0x00U;
+
+ /* Restore hsc->RxState to Ready */
+ hsc->RxState = HAL_SMARTCARD_STATE_READY;
+
+ /* As no DMA to be aborted, call directly user Abort complete callback */
+ HAL_SMARTCARD_AbortReceiveCpltCallback(hsc);
+ }
+ }
+ else
+ {
+ /* Reset Rx transfer counter */
+ hsc->RxXferCount = 0x00U;
+
+ /* Restore hsc->RxState to Ready */
+ hsc->RxState = HAL_SMARTCARD_STATE_READY;
+
+ /* As no DMA to be aborted, call directly user Abort complete callback */
+ HAL_SMARTCARD_AbortReceiveCpltCallback(hsc);
+ }
+
+ return HAL_OK;
+}
+
+/**
+ * @brief This function handles SMARTCARD interrupt request.
+ * @param hsc: pointer to a SMARTCARD_HandleTypeDef structure that contains
+ * the configuration information for SMARTCARD module.
* @retval None
*/
void HAL_SMARTCARD_IRQHandler(SMARTCARD_HandleTypeDef *hsc)
{
- uint32_t tmp_flag = 0, tmp_it_source = 0;
-
- tmp_flag = __HAL_SMARTCARD_GET_FLAG(hsc, SMARTCARD_FLAG_PE);
- tmp_it_source = __HAL_SMARTCARD_GET_IT_SOURCE(hsc, SMARTCARD_IT_PE);
- /* SMARTCARD parity error interrupt occurred -----------------------------------*/
- if((tmp_flag != RESET) && (tmp_it_source != RESET))
+ uint32_t isrflags = READ_REG(hsc->Instance->SR);
+ uint32_t cr1its = READ_REG(hsc->Instance->CR1);
+ uint32_t cr3its = READ_REG(hsc->Instance->CR3);
+ uint32_t dmarequest = 0x00U;
+ uint32_t errorflags = 0x00U;
+
+ /* If no error occurs */
+ errorflags = (isrflags & (uint32_t)(USART_SR_PE | USART_SR_FE | USART_SR_ORE | USART_SR_NE));
+ if(errorflags == RESET)
{
- hsc->ErrorCode |= HAL_SMARTCARD_ERROR_PE;
+ /* SMARTCARD in mode Receiver -------------------------------------------------*/
+ if(((isrflags & USART_SR_RXNE) != RESET) && ((cr1its & USART_CR1_RXNEIE) != RESET))
+ {
+ SMARTCARD_Receive_IT(hsc);
+ return;
+ }
}
- tmp_flag = __HAL_SMARTCARD_GET_FLAG(hsc, SMARTCARD_FLAG_FE);
- tmp_it_source = __HAL_SMARTCARD_GET_IT_SOURCE(hsc, SMARTCARD_IT_ERR);
- /* SMARTCARD frame error interrupt occurred ------------------------------------*/
- if((tmp_flag != RESET) && (tmp_it_source != RESET))
+ /* If some errors occur */
+ if((errorflags != RESET) && (((cr3its & USART_CR3_EIE) != RESET) || ((cr1its & (USART_CR1_RXNEIE | USART_CR1_PEIE)) != RESET)))
{
- hsc->ErrorCode |= HAL_SMARTCARD_ERROR_FE;
- }
+ /* SMARTCARD parity error interrupt occurred ---------------------------*/
+ if(((isrflags & SMARTCARD_FLAG_PE) != RESET) && ((cr1its & USART_CR1_PEIE) != RESET))
+ {
+ hsc->ErrorCode |= HAL_SMARTCARD_ERROR_PE;
+ }
+
+ /* SMARTCARD noise error interrupt occurred ----------------------------*/
+ if(((isrflags & SMARTCARD_FLAG_NE) != RESET) && ((cr3its & USART_CR3_EIE) != RESET))
+ {
+ hsc->ErrorCode |= HAL_SMARTCARD_ERROR_NE;
+ }
+
+ /* SMARTCARD frame error interrupt occurred ----------------------------*/
+ if(((isrflags & SMARTCARD_FLAG_FE) != RESET) && ((cr3its & USART_CR3_EIE) != RESET))
+ {
+ hsc->ErrorCode |= HAL_SMARTCARD_ERROR_FE;
+ }
+
+ /* SMARTCARD Over-Run interrupt occurred -------------------------------*/
+ if(((isrflags & SMARTCARD_FLAG_ORE) != RESET) && ((cr3its & USART_CR3_EIE) != RESET))
+ {
+ hsc->ErrorCode |= HAL_SMARTCARD_ERROR_ORE;
+ }
+
+ /* Call SMARTCARD Error Call back function if need be ------------------*/
+ if(hsc->ErrorCode != HAL_SMARTCARD_ERROR_NONE)
+ {
+ /* SMARTCARD in mode Receiver ----------------------------------------*/
+ if(((isrflags & USART_SR_RXNE) != RESET) && ((cr1its & USART_CR1_RXNEIE) != RESET))
+ {
+ SMARTCARD_Receive_IT(hsc);
+ }
+
+ /* If Overrun error occurs, or if any error occurs in DMA mode reception,
+ consider error as blocking */
+ dmarequest = HAL_IS_BIT_SET(hsc->Instance->CR3, USART_CR3_DMAR);
+ if(((hsc->ErrorCode & HAL_SMARTCARD_ERROR_ORE) != RESET) || dmarequest)
+ {
+ /* Blocking error : transfer is aborted
+ Set the SMARTCARD state ready to be able to start again the process,
+ Disable Rx Interrupts, and disable Rx DMA request, if ongoing */
+ SMARTCARD_EndRxTransfer(hsc);
- tmp_flag = __HAL_SMARTCARD_GET_FLAG(hsc, SMARTCARD_FLAG_NE);
- /* SMARTCARD noise error interrupt occurred ------------------------------------*/
- if((tmp_flag != RESET) && (tmp_it_source != RESET))
+ /* Disable the SMARTCARD DMA Rx request if enabled */
+ if(HAL_IS_BIT_SET(hsc->Instance->CR3, USART_CR3_DMAR))
+ {
+ CLEAR_BIT(hsc->Instance->CR3, USART_CR3_DMAR);
+
+ /* Abort the SMARTCARD DMA Rx channel */
+ if(hsc->hdmarx != NULL)
+ {
+ /* Set the SMARTCARD DMA Abort callback :
+ will lead to call HAL_SMARTCARD_ErrorCallback() at end of DMA abort procedure */
+ hsc->hdmarx->XferAbortCallback = SMARTCARD_DMAAbortOnError;
+ if(HAL_DMA_Abort_IT(hsc->hdmarx) != HAL_OK)
+ {
+ /* Call Directly XferAbortCallback function in case of error */
+ hsc->hdmarx->XferAbortCallback(hsc->hdmarx);
+ }
+ }
+ else
+ {
+ /* Call user error callback */
+ HAL_SMARTCARD_ErrorCallback(hsc);
+ }
+ }
+ else
+ {
+ /* Call user error callback */
+ HAL_SMARTCARD_ErrorCallback(hsc);
+ }
+ }
+ else
+ {
+ /* Non Blocking error : transfer could go on.
+ Error is notified to user through user error callback */
+ HAL_SMARTCARD_ErrorCallback(hsc);
+ hsc->ErrorCode = HAL_SMARTCARD_ERROR_NONE;
+ }
+ }
+ return;
+ } /* End if some error occurs */
+
+ /* SMARTCARD in mode Transmitter -------------------------------------------*/
+ if(((isrflags & SMARTCARD_FLAG_TXE) != RESET) && ((cr1its & USART_CR1_TXEIE) != RESET))
{
- hsc->ErrorCode |= HAL_SMARTCARD_ERROR_NE;
- }
-
- tmp_flag = __HAL_SMARTCARD_GET_FLAG(hsc, SMARTCARD_FLAG_ORE);
- /* SMARTCARD Over-Run interrupt occurred ---------------------------------------*/
- if((tmp_flag != RESET) && (tmp_it_source != RESET))
- {
- hsc->ErrorCode |= HAL_SMARTCARD_ERROR_ORE;
+ SMARTCARD_Transmit_IT(hsc);
+ return;
}
- tmp_flag = __HAL_SMARTCARD_GET_FLAG(hsc, SMARTCARD_FLAG_RXNE);
- tmp_it_source = __HAL_SMARTCARD_GET_IT_SOURCE(hsc, SMARTCARD_IT_RXNE);
- /* SMARTCARD in mode Receiver --------------------------------------------------*/
- if((tmp_flag != RESET) && (tmp_it_source != RESET))
- {
- SMARTCARD_Receive_IT(hsc);
- }
-
- tmp_flag = __HAL_SMARTCARD_GET_FLAG(hsc, SMARTCARD_FLAG_TXE);
- tmp_it_source = __HAL_SMARTCARD_GET_IT_SOURCE(hsc, SMARTCARD_IT_TXE);
- /* SMARTCARD in mode Transmitter -----------------------------------------------*/
- if((tmp_flag != RESET) && (tmp_it_source != RESET))
- {
- SMARTCARD_Transmit_IT(hsc);
- }
-
- tmp_flag = __HAL_SMARTCARD_GET_FLAG(hsc, SMARTCARD_FLAG_TC);
- tmp_it_source = __HAL_SMARTCARD_GET_IT_SOURCE(hsc, SMARTCARD_IT_TC);
/* SMARTCARD in mode Transmitter (transmission end) ------------------------*/
- if((tmp_flag != RESET) && (tmp_it_source != RESET))
+ if(((isrflags & SMARTCARD_FLAG_TC) != RESET) && ((cr1its & USART_CR1_TCIE) != RESET))
{
SMARTCARD_EndTransmit_IT(hsc);
- }
-
- /* Call the Error call Back in case of Errors */
- if(hsc->ErrorCode != HAL_SMARTCARD_ERROR_NONE)
- {
- /* Clear all the error flag at once */
- __HAL_SMARTCARD_CLEAR_PEFLAG(hsc);
-
- /* Set the SMARTCARD state ready to be able to start again the process */
- hsc->State= HAL_SMARTCARD_STATE_READY;
- HAL_SMARTCARD_ErrorCallback(hsc);
+ return;
}
}
/**
- * @brief Tx Transfer completed callback.
- * @param hsc: Pointer to a SMARTCARD_HandleTypeDef structure that contains
- * the configuration information for the specified SMARTCARD module.
+ * @brief Tx Transfer completed callbacks
+ * @param hsc: pointer to a SMARTCARD_HandleTypeDef structure that contains
+ * the configuration information for SMARTCARD module.
* @retval None
*/
- __weak void HAL_SMARTCARD_TxCpltCallback(SMARTCARD_HandleTypeDef *hsc)
+__weak void HAL_SMARTCARD_TxCpltCallback(SMARTCARD_HandleTypeDef *hsc)
{
/* Prevent unused argument(s) compilation warning */
UNUSED(hsc);
- /* NOTE: This function should not be modified, when the callback is needed,
- the HAL_SMARTCARD_TxCpltCallback can be implemented in the user file
- */
+ /* NOTE : This function Should not be modified, when the callback is needed,
+ the HAL_SMARTCARD_TxCpltCallback could be implemented in the user file
+ */
}
/**
- * @brief Rx Transfer completed callback.
- * @param hsc: Pointer to a SMARTCARD_HandleTypeDef structure that contains
- * the configuration information for the specified SMARTCARD module.
+ * @brief Rx Transfer completed callbacks
+ * @param hsc: pointer to a SMARTCARD_HandleTypeDef structure that contains
+ * the configuration information for SMARTCARD module.
* @retval None
*/
__weak void HAL_SMARTCARD_RxCpltCallback(SMARTCARD_HandleTypeDef *hsc)
{
/* Prevent unused argument(s) compilation warning */
UNUSED(hsc);
- /* NOTE: This function should not be modified, when the callback is needed,
- the HAL_SMARTCARD_RxCpltCallback can be implemented in the user file
+ /* NOTE : This function Should not be modified, when the callback is needed,
+ the HAL_SMARTCARD_RxCpltCallback could be implemented in the user file
+ */
+}
+
+/**
+ * @brief SMARTCARD error callbacks
+ * @param hsc: pointer to a SMARTCARD_HandleTypeDef structure that contains
+ * the configuration information for SMARTCARD module.
+ * @retval None
+ */
+__weak void HAL_SMARTCARD_ErrorCallback(SMARTCARD_HandleTypeDef *hsc)
+{
+ /* Prevent unused argument(s) compilation warning */
+ UNUSED(hsc);
+ /* NOTE : This function Should not be modified, when the callback is needed,
+ the HAL_SMARTCARD_ErrorCallback could be implemented in the user file
*/
}
/**
- * @brief SMARTCARD error callback.
- * @param hsc: Pointer to a SMARTCARD_HandleTypeDef structure that contains
- * the configuration information for the specified SMARTCARD module.
+ * @brief SMARTCARD Abort Complete callback.
+ * @param hsc SMARTCARD handle.
* @retval None
*/
- __weak void HAL_SMARTCARD_ErrorCallback(SMARTCARD_HandleTypeDef *hsc)
+__weak void HAL_SMARTCARD_AbortCpltCallback (SMARTCARD_HandleTypeDef *hsc)
{
/* Prevent unused argument(s) compilation warning */
UNUSED(hsc);
- /* NOTE: This function should not be modified, when the callback is needed,
- the HAL_SMARTCARD_ErrorCallback can be implemented in the user file
- */
+
+ /* NOTE : This function should not be modified, when the callback is needed,
+ the HAL_SMARTCARD_AbortCpltCallback can be implemented in the user file.
+ */
+}
+
+/**
+ * @brief SMARTCARD Abort Transmit Complete callback.
+ * @param hsc SMARTCARD handle.
+ * @retval None
+ */
+__weak void HAL_SMARTCARD_AbortTransmitCpltCallback (SMARTCARD_HandleTypeDef *hsc)
+{
+ /* Prevent unused argument(s) compilation warning */
+ UNUSED(hsc);
+
+ /* NOTE : This function should not be modified, when the callback is needed,
+ the HAL_SMARTCARD_AbortTransmitCpltCallback can be implemented in the user file.
+ */
+}
+
+/**
+ * @brief SMARTCARD Abort ReceiveComplete callback.
+ * @param hsc SMARTCARD handle.
+ * @retval None
+ */
+__weak void HAL_SMARTCARD_AbortReceiveCpltCallback (SMARTCARD_HandleTypeDef *hsc)
+{
+ /* Prevent unused argument(s) compilation warning */
+ UNUSED(hsc);
+
+ /* NOTE : This function should not be modified, when the callback is needed,
+ the HAL_SMARTCARD_AbortReceiveCpltCallback can be implemented in the user file.
+ */
}
/**
@@ -948,36 +1395,36 @@
* @brief SMARTCARD State and Errors functions
*
@verbatim
- ==============================================================================
- ##### Peripheral State and Errors functions #####
- ==============================================================================
- [..]
- This subsection provides a set of functions allowing to return the State of SmartCard
- communication process and also return Peripheral Errors occurred during communication process
- (+) HAL_SMARTCARD_GetState() API can be helpful to check in run-time the state
- of the SMARTCARD peripheral.
- (+) HAL_SMARTCARD_GetError() check in run-time errors that could be occurred during
- communication.
-
+ ===============================================================================
+ ##### Peripheral State and Errors functions #####
+ ===============================================================================
+ [..]
+ This subsection provides a set of functions allowing to control the SmartCard.
+ (+) HAL_SMARTCARD_GetState() API can be helpful to check in run-time the state of the SmartCard peripheral.
+ (+) HAL_SMARTCARD_GetError() check in run-time errors that could be occurred during communication.
@endverbatim
* @{
*/
/**
- * @brief Returns the SMARTCARD state.
- * @param hsc: Pointer to a SMARTCARD_HandleTypeDef structure that contains
- * the configuration information for the specified SMARTCARD module.
+ * @brief return the SMARTCARD state
+ * @param hsc: pointer to a SMARTCARD_HandleTypeDef structure that contains
+ * the configuration information for SMARTCARD module.
* @retval HAL state
*/
HAL_SMARTCARD_StateTypeDef HAL_SMARTCARD_GetState(SMARTCARD_HandleTypeDef *hsc)
{
- return hsc->State;
+ uint32_t temp1= 0x00U, temp2 = 0x00U;
+ temp1 = hsc->gState;
+ temp2 = hsc->RxState;
+
+ return (HAL_SMARTCARD_StateTypeDef)(temp1 | temp2);
}
/**
* @brief Return the SMARTCARD error code
- * @param hsc: Pointer to a SMARTCARD_HandleTypeDef structure that contains
- * the configuration information for the specified SMARTCARD module.
+ * @param hsc : pointer to a SMARTCARD_HandleTypeDef structure that contains
+ * the configuration information for the specified SMARTCARD.
* @retval SMARTCARD Error Code
*/
uint32_t HAL_SMARTCARD_GetError(SMARTCARD_HandleTypeDef *hsc)
@@ -988,142 +1435,114 @@
/**
* @}
*/
-
+
/**
- * @}
- */
-
-/** @defgroup SMARTCARD_Private_Functions SMARTCARD Private Functions
- * @brief SMARTCARD Private functions
- * @{
- */
-/**
- * @brief DMA SMARTCARD transmit process complete callback.
- * @param hdma: Pointer to a DMA_HandleTypeDef structure that contains
- * the configuration information for the specified DMA module.
+ * @brief DMA SMARTCARD transmit process complete callback
+ * @param hdma: pointer to a DMA_HandleTypeDef structure that contains
+ * the configuration information for the specified DMA module.
* @retval None
*/
static void SMARTCARD_DMATransmitCplt(DMA_HandleTypeDef *hdma)
{
SMARTCARD_HandleTypeDef* hsc = ( SMARTCARD_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent;
-
- hsc->TxXferCount = 0;
-
+
+ hsc->TxXferCount = 0U;
+
/* Disable the DMA transfer for transmit request by setting the DMAT bit
- in the SMARTCARD CR3 register */
+ in the USART CR3 register */
CLEAR_BIT(hsc->Instance->CR3, USART_CR3_DMAT);
- /* Enable the SMARTCARD Transmit Complete Interrupt */
- __HAL_SMARTCARD_ENABLE_IT(hsc, SMARTCARD_IT_TC);
+ /* Enable the SMARTCARD Transmit Complete Interrupt */
+ SET_BIT(hsc->Instance->CR1, USART_CR1_TCIE);
}
/**
- * @brief DMA SMARTCARD receive process complete callback.
- * @param hdma: Pointer to a DMA_HandleTypeDef structure that contains
- * the configuration information for the specified DMA module.
+ * @brief DMA SMARTCARD receive process complete callback
+ * @param hdma: pointer to a DMA_HandleTypeDef structure that contains
+ * the configuration information for the specified DMA module.
* @retval None
*/
static void SMARTCARD_DMAReceiveCplt(DMA_HandleTypeDef *hdma)
{
SMARTCARD_HandleTypeDef* hsc = ( SMARTCARD_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent;
- hsc->RxXferCount = 0;
-
+ hsc->RxXferCount = 0U;
+
+ /* Disable RXNE, PE and ERR (Frame error, noise error, overrun error) interrupts */
+ CLEAR_BIT(hsc->Instance->CR1, (USART_CR1_RXNEIE | USART_CR1_PEIE));
+ CLEAR_BIT(hsc->Instance->CR3, USART_CR3_EIE);
+
/* Disable the DMA transfer for the receiver request by setting the DMAR bit
- in the USART CR3 register */
+ in the USART CR3 register */
CLEAR_BIT(hsc->Instance->CR3, USART_CR3_DMAR);
- /* Check if a non-blocking transmit process is ongoing or not */
- if(hsc->State == HAL_SMARTCARD_STATE_BUSY_TX_RX)
- {
- hsc->State = HAL_SMARTCARD_STATE_BUSY_TX;
- }
- else
- {
- hsc->State = HAL_SMARTCARD_STATE_READY;
- }
-
+ /* At end of Rx process, restore hsc->RxState to Ready */
+ hsc->RxState = HAL_SMARTCARD_STATE_READY;
+
HAL_SMARTCARD_RxCpltCallback(hsc);
}
/**
- * @brief DMA SMARTCARD communication error callback.
- * @param hdma: Pointer to a DMA_HandleTypeDef structure that contains
- * the configuration information for the specified DMA module.
+ * @brief DMA SMARTCARD communication error callback
+ * @param hdma: pointer to a DMA_HandleTypeDef structure that contains
+ * the configuration information for the specified DMA module.
* @retval None
*/
static void SMARTCARD_DMAError(DMA_HandleTypeDef *hdma)
{
+ uint32_t dmarequest = 0x00U;
SMARTCARD_HandleTypeDef* hsc = ( SMARTCARD_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent;
+ hsc->RxXferCount = 0U;
+ hsc->TxXferCount = 0U;
+ hsc->ErrorCode = HAL_SMARTCARD_ERROR_DMA;
- hsc->RxXferCount = 0;
- hsc->TxXferCount = 0;
- hsc->ErrorCode = HAL_SMARTCARD_ERROR_DMA;
- hsc->State= HAL_SMARTCARD_STATE_READY;
-
+ /* Stop SMARTCARD DMA Tx request if ongoing */
+ dmarequest = HAL_IS_BIT_SET(hsc->Instance->CR3, USART_CR3_DMAT);
+ if((hsc->gState == HAL_SMARTCARD_STATE_BUSY_TX) && dmarequest)
+ {
+ SMARTCARD_EndTxTransfer(hsc);
+ }
+
+ /* Stop SMARTCARD DMA Rx request if ongoing */
+ dmarequest = HAL_IS_BIT_SET(hsc->Instance->CR3, USART_CR3_DMAR);
+ if((hsc->RxState == HAL_SMARTCARD_STATE_BUSY_RX) && dmarequest)
+ {
+ SMARTCARD_EndRxTransfer(hsc);
+ }
+
HAL_SMARTCARD_ErrorCallback(hsc);
}
/**
* @brief This function handles SMARTCARD Communication Timeout.
- * @param hsc: Pointer to a SMARTCARD_HandleTypeDef structure that contains
- * the configuration information for the specified SMARTCARD module.
+ * @param hsc: SMARTCARD handle
* @param Flag: specifies the SMARTCARD flag to check.
* @param Status: The new Flag status (SET or RESET).
* @param Timeout: Timeout duration
+ * @param Tickstart: tick start value
* @retval HAL status
*/
-static HAL_StatusTypeDef SMARTCARD_WaitOnFlagUntilTimeout(SMARTCARD_HandleTypeDef *hsc, uint32_t Flag, FlagStatus Status, uint32_t Timeout)
+static HAL_StatusTypeDef SMARTCARD_WaitOnFlagUntilTimeout(SMARTCARD_HandleTypeDef *hsc, uint32_t Flag, FlagStatus Status, uint32_t Tickstart, uint32_t Timeout)
{
- uint32_t tickstart = 0;
-
- /* Get tick */
- tickstart = HAL_GetTick();
-
/* Wait until flag is set */
- if(Status == RESET)
+ while((__HAL_SMARTCARD_GET_FLAG(hsc, Flag) ? SET : RESET) == Status)
{
- while(__HAL_SMARTCARD_GET_FLAG(hsc, Flag) == RESET)
+ /* Check for the Timeout */
+ if(Timeout != HAL_MAX_DELAY)
{
- /* Check for the Timeout */
- if(Timeout != HAL_MAX_DELAY)
+ if((Timeout == 0U)||((HAL_GetTick() - Tickstart ) > Timeout))
{
- if((Timeout == 0)||((HAL_GetTick() - tickstart ) > Timeout))
- {
- /* Disable TXE and RXNE interrupts for the interrupt process */
- __HAL_SMARTCARD_DISABLE_IT(hsc, SMARTCARD_IT_TXE);
- __HAL_SMARTCARD_DISABLE_IT(hsc, SMARTCARD_IT_RXNE);
-
- hsc->State= HAL_SMARTCARD_STATE_READY;
-
- /* Process Unlocked */
- __HAL_UNLOCK(hsc);
-
- return HAL_TIMEOUT;
- }
- }
- }
- }
- else
- {
- while(__HAL_SMARTCARD_GET_FLAG(hsc, Flag) != RESET)
- {
- /* Check for the Timeout */
- if(Timeout != HAL_MAX_DELAY)
- {
- if((Timeout == 0)||((HAL_GetTick() - tickstart ) > Timeout))
- {
- /* Disable TXE and RXNE interrupts for the interrupt process */
- __HAL_SMARTCARD_DISABLE_IT(hsc, SMARTCARD_IT_TXE);
- __HAL_SMARTCARD_DISABLE_IT(hsc, SMARTCARD_IT_RXNE);
-
- hsc->State= HAL_SMARTCARD_STATE_READY;
-
- /* Process Unlocked */
- __HAL_UNLOCK(hsc);
+ /* Disable TXE and RXNE interrupts for the interrupt process */
+ CLEAR_BIT(hsc->Instance->CR1, USART_CR1_TXEIE);
+ CLEAR_BIT(hsc->Instance->CR1, USART_CR1_RXNEIE);
- return HAL_TIMEOUT;
- }
+ hsc->gState= HAL_SMARTCARD_STATE_READY;
+ hsc->RxState= HAL_SMARTCARD_STATE_READY;
+
+ /* Process Unlocked */
+ __HAL_UNLOCK(hsc);
+
+ return HAL_TIMEOUT;
}
}
}
@@ -1131,31 +1550,196 @@
}
/**
- * @brief Send an amount of data in non-blocking mode.
- * @param hsc: Pointer to a SMARTCARD_HandleTypeDef structure that contains
- * the configuration information for the specified SMARTCARD module.
- * Function called under interruption only, once
- * interruptions have been enabled by HAL_SMARTCARD_Transmit_IT()
+ * @brief End ongoing Tx transfer on SMARTCARD peripheral (following error detection or Transmit completion).
+ * @param hsc: SMARTCARD handle.
+ * @retval None
+ */
+static void SMARTCARD_EndTxTransfer(SMARTCARD_HandleTypeDef *hsc)
+{
+ /* At end of Tx process, restore hsc->gState to Ready */
+ hsc->gState = HAL_SMARTCARD_STATE_READY;
+
+ /* Disable TXEIE and TCIE interrupts */
+ CLEAR_BIT(hsc->Instance->CR1, (USART_CR1_TXEIE | USART_CR1_TCIE));
+}
+
+
+/**
+ * @brief End ongoing Rx transfer on SMARTCARD peripheral (following error detection or Reception completion).
+ * @param hsc: SMARTCARD handle.
+ * @retval None
+ */
+static void SMARTCARD_EndRxTransfer(SMARTCARD_HandleTypeDef *hsc)
+{
+ /* At end of Rx process, restore hsc->RxState to Ready */
+ hsc->RxState = HAL_SMARTCARD_STATE_READY;
+
+ /* Disable RXNE, PE and ERR (Frame error, noise error, overrun error) interrupts */
+ CLEAR_BIT(hsc->Instance->CR1, (USART_CR1_RXNEIE | USART_CR1_PEIE));
+ CLEAR_BIT(hsc->Instance->CR3, USART_CR3_EIE);
+}
+
+
+
+/**
+ * @brief DMA SMARTCARD communication abort callback, when initiated by HAL services on Error
+ * (To be called at end of DMA Abort procedure following error occurrence).
+ * @param hdma DMA handle.
+ * @retval None
+ */
+static void SMARTCARD_DMAAbortOnError(DMA_HandleTypeDef *hdma)
+{
+ SMARTCARD_HandleTypeDef* hsc = (SMARTCARD_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent;
+ hsc->RxXferCount = 0x00U;
+ hsc->TxXferCount = 0x00U;
+
+ HAL_SMARTCARD_ErrorCallback(hsc);
+}
+
+/**
+ * @brief DMA SMARTCARD Tx communication abort callback, when initiated by user
+ * (To be called at end of DMA Tx Abort procedure following user abort request).
+ * @note When this callback is executed, User Abort complete call back is called only if no
+ * Abort still ongoing for Rx DMA Handle.
+ * @param hdma DMA handle.
+ * @retval None
+ */
+static void SMARTCARD_DMATxAbortCallback(DMA_HandleTypeDef *hdma)
+{
+ SMARTCARD_HandleTypeDef* hsc = ( SMARTCARD_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent;
+
+ hsc->hdmatx->XferAbortCallback = NULL;
+
+ /* Check if an Abort process is still ongoing */
+ if(hsc->hdmarx != NULL)
+ {
+ if(hsc->hdmarx->XferAbortCallback != NULL)
+ {
+ return;
+ }
+ }
+
+ /* No Abort process still ongoing : All DMA channels are aborted, call user Abort Complete callback */
+ hsc->TxXferCount = 0x00U;
+ hsc->RxXferCount = 0x00U;
+
+ /* Reset ErrorCode */
+ hsc->ErrorCode = HAL_SMARTCARD_ERROR_NONE;
+
+ /* Restore hsc->gState and hsc->RxState to Ready */
+ hsc->gState = HAL_SMARTCARD_STATE_READY;
+ hsc->RxState = HAL_SMARTCARD_STATE_READY;
+
+ /* Call user Abort complete callback */
+ HAL_SMARTCARD_AbortCpltCallback(hsc);
+}
+
+/**
+ * @brief DMA SMARTCARD Rx communication abort callback, when initiated by user
+ * (To be called at end of DMA Rx Abort procedure following user abort request).
+ * @note When this callback is executed, User Abort complete call back is called only if no
+ * Abort still ongoing for Tx DMA Handle.
+ * @param hdma DMA handle.
+ * @retval None
+ */
+static void SMARTCARD_DMARxAbortCallback(DMA_HandleTypeDef *hdma)
+{
+ SMARTCARD_HandleTypeDef* hsc = ( SMARTCARD_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent;
+
+ hsc->hdmarx->XferAbortCallback = NULL;
+
+ /* Check if an Abort process is still ongoing */
+ if(hsc->hdmatx != NULL)
+ {
+ if(hsc->hdmatx->XferAbortCallback != NULL)
+ {
+ return;
+ }
+ }
+
+ /* No Abort process still ongoing : All DMA channels are aborted, call user Abort Complete callback */
+ hsc->TxXferCount = 0x00U;
+ hsc->RxXferCount = 0x00U;
+
+ /* Reset ErrorCode */
+ hsc->ErrorCode = HAL_SMARTCARD_ERROR_NONE;
+
+ /* Restore hsc->gState and hsc->RxState to Ready */
+ hsc->gState = HAL_SMARTCARD_STATE_READY;
+ hsc->RxState = HAL_SMARTCARD_STATE_READY;
+
+ /* Call user Abort complete callback */
+ HAL_SMARTCARD_AbortCpltCallback(hsc);
+}
+
+/**
+ * @brief DMA SMARTCARD Tx communication abort callback, when initiated by user by a call to
+ * HAL_SMARTCARD_AbortTransmit_IT API (Abort only Tx transfer)
+ * (This callback is executed at end of DMA Tx Abort procedure following user abort request,
+ * and leads to user Tx Abort Complete callback execution).
+ * @param hdma DMA handle.
+ * @retval None
+ */
+static void SMARTCARD_DMATxOnlyAbortCallback(DMA_HandleTypeDef *hdma)
+{
+ SMARTCARD_HandleTypeDef* hsc = ( SMARTCARD_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent;
+
+ hsc->TxXferCount = 0x00U;
+
+ /* Restore hsc->gState to Ready */
+ hsc->gState = HAL_SMARTCARD_STATE_READY;
+
+ /* Call user Abort complete callback */
+ HAL_SMARTCARD_AbortTransmitCpltCallback(hsc);
+}
+
+/**
+ * @brief DMA SMARTCARD Rx communication abort callback, when initiated by user by a call to
+ * HAL_SMARTCARD_AbortReceive_IT API (Abort only Rx transfer)
+ * (This callback is executed at end of DMA Rx Abort procedure following user abort request,
+ * and leads to user Rx Abort Complete callback execution).
+ * @param hdma DMA handle.
+ * @retval None
+ */
+static void SMARTCARD_DMARxOnlyAbortCallback(DMA_HandleTypeDef *hdma)
+{
+ SMARTCARD_HandleTypeDef* hsc = ( SMARTCARD_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent;
+
+ hsc->RxXferCount = 0x00U;
+
+ /* Restore hsc->RxState to Ready */
+ hsc->RxState = HAL_SMARTCARD_STATE_READY;
+
+ /* Call user Abort complete callback */
+ HAL_SMARTCARD_AbortReceiveCpltCallback(hsc);
+}
+
+/**
+ * @brief Send an amount of data in non blocking mode
+ * @param hsc: pointer to a SMARTCARD_HandleTypeDef structure that contains
+ * the configuration information for SMARTCARD module.
* @retval HAL status
*/
static HAL_StatusTypeDef SMARTCARD_Transmit_IT(SMARTCARD_HandleTypeDef *hsc)
{
- uint32_t tmp_state = 0;
-
- tmp_state = hsc->State;
- if((tmp_state == HAL_SMARTCARD_STATE_BUSY_TX) || (tmp_state == HAL_SMARTCARD_STATE_BUSY_TX_RX))
+ uint16_t* tmp;
+
+ /* Check that a Tx process is ongoing */
+ if(hsc->gState == HAL_SMARTCARD_STATE_BUSY_TX)
{
- WRITE_REG(hsc->Instance->DR, (*hsc->pTxBuffPtr++ & (uint8_t)0xFF));
+ tmp = (uint16_t*) hsc->pTxBuffPtr;
+ hsc->Instance->DR = (uint16_t)(*tmp & (uint16_t)0x01FF);
+ hsc->pTxBuffPtr += 1U;
- if(--hsc->TxXferCount == 0)
+ if(--hsc->TxXferCount == 0U)
{
- /* Disable the SMARTCARD Transmit Data Register Empty Interrupt */
- __HAL_SMARTCARD_DISABLE_IT(hsc, SMARTCARD_IT_TXE);
+ /* Disable the SMARTCARD Transmit data register empty Interrupt */
+ CLEAR_BIT(hsc->Instance->CR1, USART_CR1_TXEIE);
- /* Enable the SMARTCARD Transmit Complete Interrupt */
- __HAL_SMARTCARD_ENABLE_IT(hsc, SMARTCARD_IT_TC);
+ /* Enable the SMARTCARD Transmit Complete Interrupt */
+ SET_BIT(hsc->Instance->CR1, USART_CR1_TCIE);
}
-
+
return HAL_OK;
}
else
@@ -1164,7 +1748,6 @@
}
}
-
/**
* @brief Wraps up transmission in non blocking mode.
* @param hsmartcard: pointer to a SMARTCARD_HandleTypeDef structure that contains
@@ -1173,62 +1756,49 @@
*/
static HAL_StatusTypeDef SMARTCARD_EndTransmit_IT(SMARTCARD_HandleTypeDef *hsmartcard)
{
- /* Disable the SMARTCARD Transmit Complete Interrupt */
- __HAL_SMARTCARD_DISABLE_IT(hsmartcard, SMARTCARD_IT_TC);
+ /* Disable the SMARTCARD Transmit Complete Interrupt */
+ CLEAR_BIT(hsmartcard->Instance->CR1, USART_CR1_TCIE);
- /* Check if a receive process is ongoing or not */
- if(hsmartcard->State == HAL_SMARTCARD_STATE_BUSY_TX_RX)
- {
- hsmartcard->State = HAL_SMARTCARD_STATE_BUSY_RX;
- }
- else
- {
- /* Disable the SMARTCARD Error Interrupt: (Frame error, noise error, overrun error) */
- __HAL_SMARTCARD_DISABLE_IT(hsmartcard, SMARTCARD_IT_ERR);
-
- hsmartcard->State = HAL_SMARTCARD_STATE_READY;
- }
-
+ /* Disable the SMARTCARD Error Interrupt: (Frame error, noise error, overrun error) */
+ CLEAR_BIT(hsmartcard->Instance->CR3, USART_CR3_EIE);
+
+ /* Tx process is ended, restore hsmartcard->gState to Ready */
+ hsmartcard->gState = HAL_SMARTCARD_STATE_READY;
+
HAL_SMARTCARD_TxCpltCallback(hsmartcard);
return HAL_OK;
}
-
/**
- * @brief Receive an amount of data in non-blocking mode.
- * @param hsc: Pointer to a SMARTCARD_HandleTypeDef structure that contains
- * the configuration information for the specified SMARTCARD module.
+ * @brief Receive an amount of data in non blocking mode
+ * @param hsc: pointer to a SMARTCARD_HandleTypeDef structure that contains
+ * the configuration information for SMARTCARD module.
* @retval HAL status
*/
static HAL_StatusTypeDef SMARTCARD_Receive_IT(SMARTCARD_HandleTypeDef *hsc)
{
- uint32_t tmp_state = 0;
-
- tmp_state = hsc->State;
- if((tmp_state == HAL_SMARTCARD_STATE_BUSY_RX) || (tmp_state == HAL_SMARTCARD_STATE_BUSY_TX_RX))
+ uint16_t* tmp;
+
+ /* Check that a Rx process is ongoing */
+ if(hsc->RxState == HAL_SMARTCARD_STATE_BUSY_RX)
{
- *hsc->pRxBuffPtr++ = (uint8_t)(hsc->Instance->DR & (uint8_t)0xFF);
+ tmp = (uint16_t*) hsc->pRxBuffPtr;
+ *tmp = (uint8_t)(hsc->Instance->DR & (uint8_t)0x00FF);
+ hsc->pRxBuffPtr += 1U;
- if(--hsc->RxXferCount == 0)
+ if(--hsc->RxXferCount == 0U)
{
- __HAL_SMARTCARD_DISABLE_IT(hsc, SMARTCARD_IT_RXNE);
+ CLEAR_BIT(hsc->Instance->CR1, USART_CR1_RXNEIE);
/* Disable the SMARTCARD Parity Error Interrupt */
- __HAL_SMARTCARD_DISABLE_IT(hsc, SMARTCARD_IT_PE);
-
+ CLEAR_BIT(hsc->Instance->CR1, USART_CR1_PEIE);
+
/* Disable the SMARTCARD Error Interrupt: (Frame error, noise error, overrun error) */
- __HAL_SMARTCARD_DISABLE_IT(hsc, SMARTCARD_IT_ERR);
+ CLEAR_BIT(hsc->Instance->CR3, USART_CR3_EIE);
- /* Check if a non-blocking transmit process is ongoing or not */
- if(hsc->State == HAL_SMARTCARD_STATE_BUSY_TX_RX)
- {
- hsc->State = HAL_SMARTCARD_STATE_BUSY_TX;
- }
- else
- {
- hsc->State = HAL_SMARTCARD_STATE_READY;
- }
+ /* Rx process is completed, restore hsc->RxState to Ready */
+ hsc->RxState = HAL_SMARTCARD_STATE_READY;
HAL_SMARTCARD_RxCpltCallback(hsc);
@@ -1238,19 +1808,22 @@
}
else
{
- return HAL_BUSY;
+ return HAL_BUSY;
}
}
/**
- * @brief Configures the SMARTCARD peripheral.
- * @param hsc: Pointer to a SMARTCARD_HandleTypeDef structure that contains
- * the configuration information for the specified SMARTCARD module.
+ * @brief Configure the SMARTCARD peripheral
+ * @param hsc: pointer to a SMARTCARD_HandleTypeDef structure that contains
+ * the configuration information for SMARTCARD module.
* @retval None
*/
static void SMARTCARD_SetConfig(SMARTCARD_HandleTypeDef *hsc)
{
+ uint32_t tmpreg = 0x00U;
+
/* Check the parameters */
+ assert_param(IS_SMARTCARD_INSTANCE(hsc->Instance));
assert_param(IS_SMARTCARD_POLARITY(hsc->Init.CLKPolarity));
assert_param(IS_SMARTCARD_PHASE(hsc->Init.CLKPhase));
assert_param(IS_SMARTCARD_LASTBIT(hsc->Init.CLKLastBit));
@@ -1261,38 +1834,58 @@
assert_param(IS_SMARTCARD_MODE(hsc->Init.Mode));
assert_param(IS_SMARTCARD_NACK_STATE(hsc->Init.NACKState));
+
/* The LBCL, CPOL and CPHA bits have to be selected when both the transmitter and the
receiver are disabled (TE=RE=0) to ensure that the clock pulses function correctly. */
- CLEAR_BIT(hsc->Instance->CR1, (uint32_t)(USART_CR1_TE | USART_CR1_RE));
+ CLEAR_BIT(hsc->Instance->CR1, (USART_CR1_TE | USART_CR1_RE));
- /*------ SMARTCARD-associated USART registers setting : CR2 Configuration ------*/
+ /*---------------------------- USART CR2 Configuration ---------------------*/
+ tmpreg = hsc->Instance->CR2;
/* Clear CLKEN, CPOL, CPHA and LBCL bits */
+ tmpreg &= (uint32_t)~((uint32_t)(USART_CR2_CPHA | USART_CR2_CPOL | USART_CR2_CLKEN | USART_CR2_LBCL));
/* Configure the SMARTCARD Clock, CPOL, CPHA and LastBit -----------------------*/
/* Set CPOL bit according to hsc->Init.CLKPolarity value */
/* Set CPHA bit according to hsc->Init.CLKPhase value */
/* Set LBCL bit according to hsc->Init.CLKLastBit value */
- MODIFY_REG(hsc->Instance->CR2,
- ((uint32_t)(USART_CR2_CPHA | USART_CR2_CPOL | USART_CR2_CLKEN | USART_CR2_LBCL)),
- ((uint32_t)(USART_CR2_CLKEN | hsc->Init.CLKPolarity | hsc->Init.CLKPhase| hsc->Init.CLKLastBit)) );
+ /* Set Stop Bits: Set STOP[13:12] bits according to hsc->Init.StopBits value */
+ tmpreg |= (uint32_t)(USART_CR2_CLKEN | hsc->Init.CLKPolarity |
+ hsc->Init.CLKPhase| hsc->Init.CLKLastBit | hsc->Init.StopBits);
+ /* Write to USART CR2 */
+ WRITE_REG(hsc->Instance->CR2, (uint32_t)tmpreg);
+ tmpreg = hsc->Instance->CR2;
+
+ /* Clear STOP[13:12] bits */
+ tmpreg &= (uint32_t)~((uint32_t)USART_CR2_STOP);
+
/* Set Stop Bits: Set STOP[13:12] bits according to hsc->Init.StopBits value */
- MODIFY_REG(hsc->Instance->CR2, USART_CR2_STOP,(uint32_t)(hsc->Init.StopBits));
+ tmpreg |= (uint32_t)(hsc->Init.StopBits);
+
+ /* Write to USART CR2 */
+ WRITE_REG(hsc->Instance->CR2, (uint32_t)tmpreg);
- /*------ SMARTCARD-associated USART registers setting : CR1 Configuration ------*/
+ /*-------------------------- USART CR1 Configuration -----------------------*/
+ tmpreg = hsc->Instance->CR1;
+
/* Clear M, PCE, PS, TE and RE bits */
+ tmpreg &= (uint32_t)~((uint32_t)(USART_CR1_M | USART_CR1_PCE | USART_CR1_PS | USART_CR1_TE | \
+ USART_CR1_RE));
+
/* Configure the SMARTCARD Word Length, Parity and mode:
- Set the M according to hsc->Init.WordLength value (forced to 1 as 9B data frame should be selected)
- Set PCE and PS bits according to hsc->Init.Parity value (PCE bit forced to 1 as parity control should always be enabled)
+ Set the M bits according to hsc->Init.WordLength value
+ Set PCE and PS bits according to hsc->Init.Parity value
Set TE and RE bits according to hsc->Init.Mode value */
- MODIFY_REG(hsc->Instance->CR1,
- ((uint32_t)(USART_CR1_M | USART_CR1_PCE | USART_CR1_PS | USART_CR1_TE | USART_CR1_RE)),
- ((uint32_t)(USART_CR1_M | USART_CR1_PCE | hsc->Init.Parity | hsc->Init.Mode)) );
+ tmpreg |= (uint32_t)hsc->Init.WordLength | hsc->Init.Parity | hsc->Init.Mode;
- /*------ SMARTCARD-associated USART registers setting : CR3 Configuration ------*/
+ /* Write to USART CR1 */
+ WRITE_REG(hsc->Instance->CR1, (uint32_t)tmpreg);
+
+ /*-------------------------- USART CR3 Configuration -----------------------*/
/* Clear CTSE and RTSE bits */
CLEAR_BIT(hsc->Instance->CR3, (USART_CR3_RTSE | USART_CR3_CTSE));
- /*------ SMARTCARD-associated USART registers setting : BRR Configuration ------*/
+ /*-------------------------- USART BRR Configuration -----------------------*/
+
if(hsc->Instance == USART1)
{
hsc->Instance->BRR = SMARTCARD_BRR(HAL_RCC_GetPCLK2Freq(), hsc->Init.BaudRate);