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Release v1.4.2
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@RKOUSTM
RKOUSTM committed Oct 8, 2020
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1 change: 1 addition & 0 deletions README.md
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Expand Up @@ -40,6 +40,7 @@ HAL Driver L1 | CMSIS Device L1 | CMSIS Core | Was delivered in the full MCU pac
------------- | --------------- | ---------- | -------------------------------------
Tag v1.4.0 | Tag v2.3.0 | Tag v5.4.0_cm3 | Tag v1.9.0 (and following, if any, till next new tag)
Tag v1.4.1 | Tag v2.3.1 | Tag v5.4.0_cm3 | Tag v1.10.0 (and following, if any, till next new tag)
Tag v1.4.2 | Tag v2.3.1 | Tag v5.4.0_cm3 | Tag v1.10.1 (and following, if any, till next new tag)

The full **STM32CubeL1** MCU package is available [here](https://github.com/STMicroelectronics/STM32CubeL1).

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72 changes: 46 additions & 26 deletions Release_Notes.html
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Expand Up @@ -46,15 +46,35 @@ <h1 id="purpose">Purpose</h1>
<div class="col-sm-12 col-lg-8">
<h1 id="update-history">Update History</h1>
<div class="collapse">
<input type="checkbox" id="collapse-section12" checked aria-hidden="true"> <label for="collapse-section12" aria-hidden="true">V1.4.1 / 24-June-2020</label>
<input type="checkbox" id="collapse-section13" aria-hidden="true"> <label for="collapse-section13" aria-hidden="true">V1.4.2 / 28-August-2020</label>
<div>
<h2 id="main-changes">Main Changes</h2>
<h3 id="maintenance-release">Maintenance release</h3>
<ul>
<li>Patch release to fix issue in I2C HAL driver</li>
</ul>
<h2 id="contents">Contents</h2>
<ul>
<li><strong>HAL I2C</strong> driver
<ul>
<li>Update I2C_MasterReceiveRXNE() static API to avoid set the STOP bit again after the bit clearing by Hardware during the masking operation.
<ul>
<li>Add new API I2C_WaitOnSTOPRequestThroughIT() to wait for stop bit.</li>
</ul></li>
</ul></li>
</ul>
</div>
</div>
<div class="collapse">
<input type="checkbox" id="collapse-section12" aria-hidden="true"> <label for="collapse-section12" aria-hidden="true">V1.4.1 / 24-June-2020</label>
<div>
<h2 id="main-changes-1">Main Changes</h2>
<h3 id="maintenance-release-1">Maintenance release</h3>
<ul>
<li>Add new HAL EXTI driver</li>
<li>General updates to fix known defects and enhancements implementation</li>
</ul>
<h2 id="contents">Contents</h2>
<h2 id="contents-1">Contents</h2>
<ul>
<li><strong>HAL</strong> driver
<ul>
Expand Down Expand Up @@ -247,14 +267,14 @@ <h2 id="contents">Contents</h2>
<div class="collapse">
<input type="checkbox" id="collapse-section11" aria-hidden="true"> <label for="collapse-section11" aria-hidden="true">V1.4.0 / 05-April-2019</label>
<div>
<h2 id="main-changes-1">Main Changes</h2>
<h3 id="maintenance-release-1">Maintenance release</h3>
<h2 id="main-changes-2">Main Changes</h2>
<h3 id="maintenance-release-2">Maintenance release</h3>
<ul>
<li>Add support of <strong>HAL callback registration</strong> feature</li>
<li>Add several enhancements implementation</li>
<li>Fix known defects to be aligned with others STM32 series</li>
</ul>
<h2 id="contents-1">Contents</h2>
<h2 id="contents-2">Contents</h2>
<ul>
<li><strong>HAL/LL</strong> generic
<ul>
Expand Down Expand Up @@ -530,9 +550,9 @@ <h2 id="contents-1">Contents</h2>
<div class="collapse">
<input type="checkbox" id="collapse-section9" aria-hidden="true"> <label for="collapse-section9" aria-hidden="true">V1.3.1 / 25-August-2017</label>
<div>
<h2 id="main-changes-2">Main Changes</h2>
<h2 id="main-changes-3">Main Changes</h2>
<h3 id="patch-release">Patch release</h3>
<h2 id="contents-2">Contents</h2>
<h2 id="contents-3">Contents</h2>
<ul>
<li><strong>HAL/LL</strong> generic
<ul>
Expand All @@ -545,9 +565,9 @@ <h2 id="contents-2">Contents</h2>
<div class="collapse">
<input type="checkbox" id="collapse-section8" aria-hidden="true"> <label for="collapse-section8" aria-hidden="true">V1.3.0 / 21-April-2017</label>
<div>
<h2 id="main-changes-3">Main Changes</h2>
<h3 id="maintenance-release-2">Maintenance release</h3>
<h2 id="contents-3">Contents</h2>
<h2 id="main-changes-4">Main Changes</h2>
<h3 id="maintenance-release-3">Maintenance release</h3>
<h2 id="contents-4">Contents</h2>
<ul>
<li><strong>HAL/LL</strong> generic
<ul>
Expand Down Expand Up @@ -618,8 +638,8 @@ <h2 id="contents-3">Contents</h2>
<div class="collapse">
<input type="checkbox" id="collapse-section7" aria-hidden="true"> <label for="collapse-section7" aria-hidden="true">V1.2.0 / 01-July-2016</label>
<div>
<h2 id="main-changes-4">Main Changes</h2>
<h3 id="maintenance-release-3">Maintenance release</h3>
<h2 id="main-changes-5">Main Changes</h2>
<h3 id="maintenance-release-4">Maintenance release</h3>
<ul>
<li>First official release supporting the <strong>Low Level</strong> drivers for the <strong>STM32L1xx</strong> family:
<ul>
Expand All @@ -628,7 +648,7 @@ <h3 id="maintenance-release-3">Maintenance release</h3>
<li>Low Layer drivers APIs are implemented as static inline function in new Inc/stm32l1xx_ll_ppp.h files for PPP peripherals, there is no configuration file and each stm32l1xx_ll_ppp.h file must be included in user code.</li>
</ul></li>
</ul>
<h2 id="contents-4">Contents</h2>
<h2 id="contents-5">Contents</h2>
<ul>
<li><strong>Generic updates</strong>
<ul>
Expand Down Expand Up @@ -723,9 +743,9 @@ <h2 id="contents-4">Contents</h2>
<div class="collapse">
<input type="checkbox" id="collapse-section6" aria-hidden="true"> <label for="collapse-section6" aria-hidden="true">V1.1.3 / 04-March-2016</label>
<div>
<h2 id="main-changes-5">Main Changes</h2>
<h3 id="maintenance-release-4">Maintenance release</h3>
<h2 id="contents-5">Contents</h2>
<h2 id="main-changes-6">Main Changes</h2>
<h3 id="maintenance-release-5">Maintenance release</h3>
<h2 id="contents-6">Contents</h2>
<ul>
<li><strong>Generic update</strong>
<ul>
Expand Down Expand Up @@ -774,9 +794,9 @@ <h2 id="contents-5">Contents</h2>
<div class="collapse">
<input type="checkbox" id="collapse-section5" aria-hidden="true"> <label for="collapse-section5" aria-hidden="true">V1.1.2 / 09-October-2015</label>
<div>
<h2 id="main-changes-6">Main Changes</h2>
<h3 id="maintenance-release-5">Maintenance release</h3>
<h2 id="contents-6">Contents</h2>
<h2 id="main-changes-7">Main Changes</h2>
<h3 id="maintenance-release-6">Maintenance release</h3>
<h2 id="contents-7">Contents</h2>
<ul>
<li><strong>ADC</strong>
<ul>
Expand Down Expand Up @@ -860,13 +880,13 @@ <h2 id="contents-6">Contents</h2>
<div class="collapse">
<input type="checkbox" id="collapse-section3" aria-hidden="true"> <label for="collapse-section3" aria-hidden="true">V1.1.1 / 31-March-2015</label>
<div>
<h2 id="main-changes-7">Main Changes</h2>
<h3 id="maintenance-release-6">Maintenance release</h3>
<h2 id="main-changes-8">Main Changes</h2>
<h3 id="maintenance-release-7">Maintenance release</h3>
<ul>
<li>Include path changes for compilation under Unix environment</li>
<li>Update drivers to be C++ compliant</li>
</ul>
<h2 id="contents-7">Contents</h2>
<h2 id="contents-8">Contents</h2>
<ul>
<li><strong>CORTEX</strong>
<ul>
Expand Down Expand Up @@ -932,12 +952,12 @@ <h2 id="contents-7">Contents</h2>
<div class="collapse">
<input type="checkbox" id="collapse-section2" aria-hidden="true"> <label for="collapse-section2" aria-hidden="true">V1.1.0 / 06-February-2015</label>
<div>
<h2 id="main-changes-8">Main Changes</h2>
<h3 id="maintenance-release-7">Maintenance release</h3>
<h2 id="main-changes-9">Main Changes</h2>
<h3 id="maintenance-release-8">Maintenance release</h3>
<ul>
<li>Add support of new <strong>STM32L1 eXtended devices</strong> - <strong>STM32l151xDX, STM32l152xDX &amp; STM32l62xDX</strong></li>
</ul>
<h2 id="contents-8">Contents</h2>
<h2 id="contents-9">Contents</h2>
<ul>
<li><strong>HAL</strong> generic
<ul>
Expand All @@ -959,7 +979,7 @@ <h2 id="contents-8">Contents</h2>
<div class="collapse">
<input type="checkbox" id="collapse-section1" aria-hidden="true"> <label for="collapse-section1" aria-hidden="true">V1.0.0 / 05-September-2014</label>
<div>
<h2 id="main-changes-9">Main Changes</h2>
<h2 id="main-changes-10">Main Changes</h2>
<h3 id="first-official-release">First official release</h3>
</div>
</div>
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4 changes: 2 additions & 2 deletions Src/stm32l1xx_hal.c
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Expand Up @@ -54,11 +54,11 @@
*/

/**
* @brief STM32L1xx HAL Driver version number V1.4.1
* @brief STM32L1xx HAL Driver version number V1.4.2
*/
#define __STM32L1xx_HAL_VERSION_MAIN (0x01) /*!< [31:24] main version */
#define __STM32L1xx_HAL_VERSION_SUB1 (0x04) /*!< [23:16] sub1 version */
#define __STM32L1xx_HAL_VERSION_SUB2 (0x01) /*!< [15:8] sub2 version */
#define __STM32L1xx_HAL_VERSION_SUB2 (0x02) /*!< [15:8] sub2 version */
#define __STM32L1xx_HAL_VERSION_RC (0x00) /*!< [7:0] release candidate */
#define __STM32L1xx_HAL_VERSION ((__STM32L1xx_HAL_VERSION_MAIN << 24)\
|(__STM32L1xx_HAL_VERSION_SUB1 << 16)\
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96 changes: 76 additions & 20 deletions Src/stm32l1xx_hal_i2c.c
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Expand Up @@ -319,6 +319,7 @@
*/
#define I2C_TIMEOUT_FLAG 35U /*!< Timeout 35 ms */
#define I2C_TIMEOUT_BUSY_FLAG 25U /*!< Timeout 25 ms */
#define I2C_TIMEOUT_STOP_FLAG 5U /*!< Timeout 5 ms */
#define I2C_NO_OPTION_FRAME 0xFFFF0000U /*!< XferOptions default value */

/* Private define for @ref PreviousState usage */
Expand Down Expand Up @@ -359,6 +360,7 @@ static HAL_StatusTypeDef I2C_WaitOnTXEFlagUntilTimeout(I2C_HandleTypeDef *hi2c,
static HAL_StatusTypeDef I2C_WaitOnBTFFlagUntilTimeout(I2C_HandleTypeDef *hi2c, uint32_t Timeout, uint32_t Tickstart);
static HAL_StatusTypeDef I2C_WaitOnRXNEFlagUntilTimeout(I2C_HandleTypeDef *hi2c, uint32_t Timeout, uint32_t Tickstart);
static HAL_StatusTypeDef I2C_WaitOnSTOPFlagUntilTimeout(I2C_HandleTypeDef *hi2c, uint32_t Timeout, uint32_t Tickstart);
static HAL_StatusTypeDef I2C_WaitOnSTOPRequestThroughIT(I2C_HandleTypeDef *hi2c);
static HAL_StatusTypeDef I2C_IsAcknowledgeFailed(I2C_HandleTypeDef *hi2c);

/* Private functions for I2C transfer IRQ handler */
Expand Down Expand Up @@ -5341,43 +5343,70 @@ static void I2C_MasterReceive_RXNE(I2C_HandleTypeDef *hi2c)
}
else if ((hi2c->XferOptions != I2C_FIRST_AND_NEXT_FRAME) && ((tmp == 1U) || (tmp == 0U)))
{
/* Disable Acknowledge */
CLEAR_BIT(hi2c->Instance->CR1, I2C_CR1_ACK);
if (I2C_WaitOnSTOPRequestThroughIT(hi2c) == HAL_OK)
{
/* Disable Acknowledge */
CLEAR_BIT(hi2c->Instance->CR1, I2C_CR1_ACK);

/* Disable EVT, BUF and ERR interrupt */
__HAL_I2C_DISABLE_IT(hi2c, I2C_IT_EVT | I2C_IT_BUF | I2C_IT_ERR);
/* Disable EVT, BUF and ERR interrupt */
__HAL_I2C_DISABLE_IT(hi2c, I2C_IT_EVT | I2C_IT_BUF | I2C_IT_ERR);

/* Read data from DR */
*hi2c->pBuffPtr = (uint8_t)hi2c->Instance->DR;
/* Read data from DR */
*hi2c->pBuffPtr = (uint8_t)hi2c->Instance->DR;

/* Increment Buffer pointer */
hi2c->pBuffPtr++;
/* Increment Buffer pointer */
hi2c->pBuffPtr++;

/* Update counter */
hi2c->XferCount--;
/* Update counter */
hi2c->XferCount--;

hi2c->State = HAL_I2C_STATE_READY;
hi2c->State = HAL_I2C_STATE_READY;

if (hi2c->Mode == HAL_I2C_MODE_MEM)
{
hi2c->Mode = HAL_I2C_MODE_NONE;
hi2c->PreviousState = I2C_STATE_NONE;
if (hi2c->Mode == HAL_I2C_MODE_MEM)
{
hi2c->Mode = HAL_I2C_MODE_NONE;
hi2c->PreviousState = I2C_STATE_NONE;

#if (USE_HAL_I2C_REGISTER_CALLBACKS == 1)
hi2c->MemRxCpltCallback(hi2c);
hi2c->MemRxCpltCallback(hi2c);
#else
HAL_I2C_MemRxCpltCallback(hi2c);
HAL_I2C_MemRxCpltCallback(hi2c);
#endif /* USE_HAL_I2C_REGISTER_CALLBACKS */
}
else
{
hi2c->Mode = HAL_I2C_MODE_NONE;
hi2c->PreviousState = I2C_STATE_MASTER_BUSY_RX;

#if (USE_HAL_I2C_REGISTER_CALLBACKS == 1)
hi2c->MasterRxCpltCallback(hi2c);
#else
HAL_I2C_MasterRxCpltCallback(hi2c);
#endif /* USE_HAL_I2C_REGISTER_CALLBACKS */
}
}
else
{
/* Disable EVT, BUF and ERR interrupt */
__HAL_I2C_DISABLE_IT(hi2c, I2C_IT_EVT | I2C_IT_BUF | I2C_IT_ERR);

/* Read data from DR */
*hi2c->pBuffPtr = (uint8_t)hi2c->Instance->DR;

/* Increment Buffer pointer */
hi2c->pBuffPtr++;

/* Update counter */
hi2c->XferCount--;

hi2c->State = HAL_I2C_STATE_READY;
hi2c->Mode = HAL_I2C_MODE_NONE;
hi2c->PreviousState = I2C_STATE_MASTER_BUSY_RX;

/* Call user error callback */
#if (USE_HAL_I2C_REGISTER_CALLBACKS == 1)
hi2c->MasterRxCpltCallback(hi2c);
hi2c->ErrorCallback(hi2c);
#else
HAL_I2C_MasterRxCpltCallback(hi2c);
HAL_I2C_ErrorCallback(hi2c);
#endif /* USE_HAL_I2C_REGISTER_CALLBACKS */
}
}
Expand Down Expand Up @@ -7147,6 +7176,33 @@ static HAL_StatusTypeDef I2C_WaitOnSTOPFlagUntilTimeout(I2C_HandleTypeDef *hi2c,
return HAL_OK;
}

/**
* @brief This function handles I2C Communication Timeout for specific usage of STOP request through Interrupt.
* @param hi2c Pointer to a I2C_HandleTypeDef structure that contains
* the configuration information for the specified I2C.
* @retval HAL status
*/
static HAL_StatusTypeDef I2C_WaitOnSTOPRequestThroughIT(I2C_HandleTypeDef *hi2c)
{
__IO uint32_t count = 0U;

/* Wait until STOP flag is reset */
count = I2C_TIMEOUT_STOP_FLAG * (SystemCoreClock / 25U / 1000U);
do
{
count--;
if (count == 0U)
{
hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT;

return HAL_ERROR;
}
}
while (READ_BIT(hi2c->Instance->CR1, I2C_CR1_STOP) == I2C_CR1_STOP);

return HAL_OK;
}

/**
* @brief This function handles I2C Communication Timeout for specific usage of RXNE flag.
* @param hi2c Pointer to a I2C_HandleTypeDef structure that contains
Expand Down

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