/**
* @brief Get the Option byte configuration
* @note The parameter Banks of the pOBInit structure must be exclusively FLASH_BANK_1 or FLASH_BANK_2
as this parameter is use to get the given Bank WRP, PCROP and secured area.
* @param pOBInit pointer to an FLASH_OBInitStruct structure that
* contains the configuration information for the programming.
*
* @retval None
*/
void HAL_FLASHEx_OBGetConfig(FLASH_OBProgramInitTypeDef *pOBInit)
{
/* Check the parameters */
assert_param(IS_FLASH_BANK_EXCLUSIVE(pOBInit->Banks));
pOBInit->OptionType = (OPTIONBYTE_WRP | OPTIONBYTE_RDP | \
OPTIONBYTE_USER | OPTIONBYTE_PCROP | \
OPTIONBYTE_BOR | OPTIONBYTE_BOOTADD | \
OPTIONBYTE_SECURE_AREA);
/* Get write protection on the selected area */
FLASH_OB_GetWRP(&(pOBInit->WRPState), &(pOBInit->WRPSector), pOBInit->Banks);
/* Get Read protection level */
pOBInit->RDPLevel = FLASH_OB_GetRDP();
/* Get the user option bytes */
pOBInit->USERConfig = FLASH_OB_GetUser();
/* Get the Proprietary code readout protection */
FLASH_OB_GetPCROP(&(pOBInit->PCROPConfig), &(pOBInit->PCROPStartAddr), &(pOBInit->PCROPEndAddr), pOBInit->Banks);
/*Get BOR Level*/
pOBInit->BORLevel = FLASH_OB_GetBOR();
/*Get Boot Address*/
FLASH_OB_GetBootAdd(&(pOBInit->BootAddr0), &(pOBInit->BootAddr1));
/*Get Bank Secure area*/
FLASH_OB_GetSecureArea(&(pOBInit->SecureAreaConfig), &(pOBInit->SecureAreaStartAddr), &(pOBInit->SecureAreaEndAddr), pOBInit->Banks);
}
/**
* Check the brown out reset threshold is 2.7 volts and if not
* resets it. This solves an issue that can prevent boards
* powering up with some BEC
*/
void check_bor()
{
uint8_t bor = FLASH_OB_GetBOR();
if(bor != OB_BOR_LEVEL3) {
FLASH_OB_Unlock();
FLASH_OB_BORConfig(OB_BOR_LEVEL3);
FLASH_OB_Launch();
while(FLASH_WaitForLastOperation() == FLASH_BUSY);
FLASH_OB_Lock();
while(FLASH_WaitForLastOperation() == FLASH_BUSY);
}
}
TM_BOR_Level_t TM_BOR_Get(void) {
/* Get BOR value */
switch (FLASH_OB_GetBOR()) {
case OB_BOR_LEVEL3:
return TM_BOR_Level_3;
case OB_BOR_LEVEL2:
return TM_BOR_Level_2;
case OB_BOR_LEVEL1:
return TM_BOR_Level_1;
case OB_BOR_OFF:
default:
return TM_BOR_Level_None;
}
}
/**
* @brief Get the Option byte configuration
* @param pOBInit: pointer to an FLASH_OBInitStruct structure that
* contains the configuration information for the programming.
*
* @retval None
*/
void HAL_FLASHEx_OBGetConfig(FLASH_OBProgramInitTypeDef *pOBInit)
{
pOBInit->OptionType = OPTIONBYTE_WRP | OPTIONBYTE_RDP | OPTIONBYTE_USER | OPTIONBYTE_BOR;
/*Get WRP*/
pOBInit->WRPSector = (uint32_t)FLASH_OB_GetWRP();
/*Get RDP Level*/
pOBInit->RDPLevel = (uint32_t)FLASH_OB_GetRDP();
/*Get USER*/
pOBInit->USERConfig = (uint8_t)FLASH_OB_GetUser();
/*Get BOR Level*/
pOBInit->BORLevel = (uint32_t)FLASH_OB_GetBOR();
}
/**
* @brief Main program
* @param None
* @retval None
*/
int main(void)
{
/*!< At this stage the microcontroller clock setting is already configured,
this is done through SystemInit() function which is called from startup
files (startup_stm32f40_41xxx.s/startup_stm32f427_437xx.s/startup_stm32f429_439xx.s)
before to branch to application main.
To reconfigure the default setting of SystemInit() function, refer to
system_stm32f4xx.c file
*/
/* Initialize LED1 on EVAL board */
STM_EVAL_LEDInit(LED1);
/* Initialize Key Button mounted on EVAL board */
STM_EVAL_PBInit(BUTTON_KEY, BUTTON_MODE_GPIO);
/* Test if Key push-button on EVAL Board is pressed */
if (STM_EVAL_PBGetState(BUTTON_KEY) == 0x00)
{
/* Get BOR Option Bytes */
if((FLASH_OB_GetBOR() & 0x0C) != BOR_LEVEL)
{
/* Unlocks the option bytes block access */
FLASH_OB_Unlock();
/* Select the desired V(BOR) Level */
FLASH_OB_BORConfig(BOR_LEVEL);
/* Launch the option byte loading */
FLASH_OB_Launch();
/* Locks the option bytes block access */
FLASH_OB_Lock();
}
}
while (1)
{
/* Toggle LED1 */
STM_EVAL_LEDToggle(LED1);
/* Inserted Delay */
for(uwCounter = 0; uwCounter < 0x5FFFF; uwCounter++);
}
}
/**
* @brief Main program
* @param None
* @retval None
*/
int main(void)
{
/*!< At this stage the microcontroller clock setting is already configured,
this is done through SystemInit() function which is called from startup
file (startup_stm32l1xx_xx.s) before to branch to application main.
To reconfigure the default setting of SystemInit() function, refer to
system_stm32l1xx.c file
*/
/* Initialize LED1 */
STM_EVAL_LEDInit(LED1);
/* Get BOR Option Bytes */
BOROptionBytes = FLASH_OB_GetBOR();
#ifdef BOR_MODIFY
if((BOROptionBytes & 0x0F) != BOR_LEVEL)
{
/* Unlocks the option bytes block access */
FLASH_OB_Unlock();
/* Clears the FLASH pending flags */
FLASH_ClearFlag(FLASH_FLAG_EOP|FLASH_FLAG_WRPERR | FLASH_FLAG_PGAERR
| FLASH_FLAG_SIZERR | FLASH_FLAG_OPTVERR);
/* Select the desired V(BOR) Level ---------------------------------------*/
FLASH_OB_BORConfig(BOR_LEVEL);
/* Launch the option byte loading */
FLASH_OB_Launch();
}
#endif
while (1)
{
/* Toggle The LED1 */
STM_EVAL_LEDToggle(LED1);
/* Inserted Delay */
for(Counter = 0; Counter < 0x5FFFF; Counter++);
}
}
void set_bor(void)
{
__IO uint32_t BOROptionBytes = 0;
/* Get BOR Option Bytes */
BOROptionBytes = FLASH_OB_GetBOR();
if((BOROptionBytes & 0x0F) != BOR_LEVEL)
{
/* Unlocks the option bytes block access */
FLASH_OB_Unlock();
/* Clears the FLASH pending flags */
FLASH_ClearFlag(FLASH_FLAG_EOP|FLASH_FLAG_WRPERR | FLASH_FLAG_PGAERR
| FLASH_FLAG_SIZERR | FLASH_FLAG_OPTVERR);
/* Select the desired V(BOR) Level ---------------------------------------*/
FLASH_OB_BORConfig(BOR_LEVEL);
/* Launch the option byte loading */
FLASH_OB_Launch();
FLASH_OB_Lock();
}
}
/**
* @brief Main program
* @param None
* @retval None
*/
int main(void)
{
/*!< At this stage the microcontroller clock setting is already configured,
this is done through SystemInit() function which is called from startup
file (startup_stm32l1xx_xx.s) before to branch to application main.
To reconfigure the default setting of SystemInit() function, refer to
system_stm32l1xx.c file
*/
/* Enable PWR APB1 Clock */
RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR, ENABLE);
/* Allow access to RTC */
PWR_RTCAccessCmd(ENABLE);
/* Reset RTC Domain */
RCC_RTCResetCmd(ENABLE);
RCC_RTCResetCmd(DISABLE);
#ifdef BOR_MODIFY
/* Get BOR Option Bytes */
BOROptionBytes = FLASH_OB_GetBOR();
if((BOROptionBytes & 0x0F) != BOR_LEVEL)
{
/* Unlocks the option bytes block access */
FLASH_OB_Unlock();
/* Clears the FLASH pending flags */
FLASH_ClearFlag(FLASH_FLAG_EOP|FLASH_FLAG_WRPERR | FLASH_FLAG_PGAERR
| FLASH_FLAG_SIZERR | FLASH_FLAG_OPTVERR);
/* Select the desired V(BOR) Level ---------------------------------------*/
FLASH_OB_BORConfig(BOR_LEVEL);
/* Launch the option byte loading */
FLASH_OB_Launch();
}
#endif
#if defined (LP_RUN_SRAM_MODE)
/* Low Power Run Mode Entry:
- System Running at MSI (~32KHz)
- Flash 0 wait state
- Voltage Range 2
- Code running from Internal SRAM
- All peripherals OFF
- FLASH switched OFF
- VDD from 1.65V to 3.6V
- Current Consumption ~10.5uA
- Wakeup using Key Button PA.00
*/
LowPowerRunMode_Measure();
#elif defined (LP_RUN_FLASH_MODE)
/* Low Power Run Mode Entry:
- System Running at MSI (~32KHz)
- Flash 0 wait state
- Voltage Range 2
- Code running from Internal FLASH
- All peripherals OFF
- VDD from 1.65V to 3.6V
- Current Consumption ~25uA
- Wakeup using Key Button PA.00
*/
LowPowerRunMode_Measure();
#elif defined (SLEEP_MODE)
/* Sleep Mode Entry
- System Running at HSI (16MHz)
- Flash 1 wait state
- Voltage Range 2
- Code running from Internal FLASH
- Current Consumption ~1mA
- Wakeup using EXTI Line (Key Button PA.00)
*/
SleepMode_Measure();
#elif defined (LP_SLEEP_MODE)
/* Low Power Sleep Mode Entry
- System Running at MSI (~32KHz)
- Flash 0 wait state
- Voltage Range 2
- Code running from Internal FLASH
- All peripherals OFF
- VDD from 1.65V to 3.6V
- Current Consumption ~4.07uA
- Wakeup using EXTI Line (Key Button PA.00)
*/
LowPowerSleepMode_Measure();
#elif defined (STOP_MODE)
/* STOP Mode Entry
- Regulator in LP mode
- LSI, HSI and HSE OFF
- No IWDG
- Current Consumption ~0.5uA
- Wakeup using EXTI Line (Key Button PA.00)
*/
StopMode_Measure();
#elif defined (STOP_RTC_LSE_MODE)
/* STOP Mode with RTC on LSE Entry
- RTC Clocked by LSE external Clock (32.768KHz)
- Regulator in LP mode
- LSI, HSI and HSE OFF
- No IWDG
- Current Consumption ~1.6uA
- Automatic Wakeup using RTC on LSE (4s)
*/
StopRTCLSEMode_Measure();
#elif defined (STOP_RTC_LSI_MODE)
/* STOP Mode with RTC on LSI Entry
- RTC Clocked by LSI
- Regulator in LP mode
- HSI and HSE OFF
- No IWDG
- Current Consumption ~1.3uA
- Automatic Wakeup using RTC on LSI (after ~4s)
*/
StopRTCLSIMode_Measure();
#elif defined (STANDBY_MODE)
/* STANDBY Mode Entry
- IWDG and LSI OFF
- Current Consumption ~0.3uA
- Wakeup using WakeUp Pin 1 (PA.00)
*/
StandbyMode_Measure();
#elif defined (STANDBY_RTC_LSE_MODE)
/* STANDBY Mode with RTC on LSE Entry
- RTC Clocked by LSE external Clock (32.768KHz)
- IWDG and LSI OFF
- Current Consumption ~1.3uA
- Automatic Wakeup using RTC on LSE (after 4s)
*/
StandbyRTCLSEMode_Measure();
#elif defined (STANDBY_RTC_LSI_MODE)
/* STANDBY Mode with RTC on LSI Entry
- RTC Clocked by LSI
- IWDG OFF
- Current Consumption ~1.1uA
- Automatic Wakeup using RTC on LSI (after ~4s)
*/
StandbyRTCLSIMode_Measure();
#else
/* Initialize LED1 on STM32L152-EVAL board */
STM_EVAL_LEDInit(LED1);
/* Infinite loop */
while (1)
{
/* Toggle The LED1 */
STM_EVAL_LEDToggle(LED1);
/* Inserted Delay */
for(Counter = 0; Counter < 0x5FF; Counter++);
}
#endif
}