From 94101a2cd9baed60360f68096033dc75cbb1dcb3 Mon Sep 17 00:00:00 2001 From: android <android@lingyun.com> Date: Wed, 10 Jul 2024 19:27:36 +0800 Subject: [PATCH] Add STM8S003F3 eDP LCD drvier --- mcu_sdk/stm8s003f3_edp/Libraries/STM8S_StdPeriph_Driver/src/stm8s_flash.c | 713 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 files changed, 713 insertions(+), 0 deletions(-) diff --git a/mcu_sdk/stm8s003f3_edp/Libraries/STM8S_StdPeriph_Driver/src/stm8s_flash.c b/mcu_sdk/stm8s003f3_edp/Libraries/STM8S_StdPeriph_Driver/src/stm8s_flash.c new file mode 100644 index 0000000..18bf67f --- /dev/null +++ b/mcu_sdk/stm8s003f3_edp/Libraries/STM8S_StdPeriph_Driver/src/stm8s_flash.c @@ -0,0 +1,713 @@ +/** + ****************************************************************************** + * @file stm8s_flash.c + * @author MCD Application Team + * @version V2.3.0 + * @date 16-June-2017 + * @brief This file contains all the functions for the FLASH peripheral. + ****************************************************************************** + * @attention + * + * <h2><center>© COPYRIGHT 2014 STMicroelectronics</center></h2> + * + * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License"); + * You may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.st.com/software_license_agreement_liberty_v2 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + ****************************************************************************** + */ + +/* Includes ------------------------------------------------------------------*/ +#include "stm8s_flash.h" + +/** @addtogroup STM8S_StdPeriph_Driver + * @{ + */ +/** +@code + This driver provides functions to configure and program the Flash memory of all + STM8S devices. + + It includes as well functions that can be either executed from RAM or not, and + other functions that must be executed from RAM otherwise useless. + + The table below lists the functions that can be executed from RAM. + + +--------------------------------------------------------------------------------| + | Functions prototypes | RAM execution | Comments | + ---------------------------------------------------------------------------------| + | | Mandatory in case of block | Can be executed | + | FLASH_WaitForLastOperation | Operation: | from Flash in case | + | | - Block programming | of byte and word | + | | - Block erase | Operations | + |--------------------------------------------------------------------------------| + | FLASH_ProgramBlock | Exclusively | useless from Flash | + |--------------------------------------------------------------------------------| + | FLASH_EraseBlock | Exclusively | useless from Flash | + |--------------------------------------------------------------------------------| + + To be able to execute functions from RAM several steps have to be followed. + These steps may differ from one toolchain to another. + A detailed description is available below within this driver. + You can also refer to the FLASH examples provided within the + STM8S_StdPeriph_Lib package. + +@endcode +*/ + + +/* Private typedef -----------------------------------------------------------*/ +/* Private define ------------------------------------------------------------*/ +#define FLASH_CLEAR_BYTE ((uint8_t)0x00) +#define FLASH_SET_BYTE ((uint8_t)0xFF) +#define OPERATION_TIMEOUT ((uint16_t)0xFFFF) +/* Private macro -------------------------------------------------------------*/ +/* Private variables ---------------------------------------------------------*/ +/* Private function prototypes -----------------------------------------------*/ +/* Private Constants ---------------------------------------------------------*/ + +/** @addtogroup FLASH_Public_functions + * @{ + */ + +/** + * @brief Unlocks the program or data EEPROM memory + * @param FLASH_MemType : Memory type to unlock + * This parameter can be a value of @ref FLASH_MemType_TypeDef + * @retval None + */ +void FLASH_Unlock(FLASH_MemType_TypeDef FLASH_MemType) +{ + /* Check parameter */ + assert_param(IS_MEMORY_TYPE_OK(FLASH_MemType)); + + /* Unlock program memory */ + if(FLASH_MemType == FLASH_MEMTYPE_PROG) + { + FLASH->PUKR = FLASH_RASS_KEY1; + FLASH->PUKR = FLASH_RASS_KEY2; + } + /* Unlock data memory */ + else + { + FLASH->DUKR = FLASH_RASS_KEY2; /* Warning: keys are reversed on data memory !!! */ + FLASH->DUKR = FLASH_RASS_KEY1; + } +} + +/** + * @brief Locks the program or data EEPROM memory + * @param FLASH_MemType : Memory type + * This parameter can be a value of @ref FLASH_MemType_TypeDef + * @retval None + */ +void FLASH_Lock(FLASH_MemType_TypeDef FLASH_MemType) +{ + /* Check parameter */ + assert_param(IS_MEMORY_TYPE_OK(FLASH_MemType)); + + /* Lock memory */ + FLASH->IAPSR &= (uint8_t)FLASH_MemType; +} + +/** + * @brief DeInitializes the FLASH registers to their default reset values. + * @param None + * @retval None + */ +void FLASH_DeInit(void) +{ + FLASH->CR1 = FLASH_CR1_RESET_VALUE; + FLASH->CR2 = FLASH_CR2_RESET_VALUE; + FLASH->NCR2 = FLASH_NCR2_RESET_VALUE; + FLASH->IAPSR &= (uint8_t)(~FLASH_IAPSR_DUL); + FLASH->IAPSR &= (uint8_t)(~FLASH_IAPSR_PUL); + (void) FLASH->IAPSR; /* Reading of this register causes the clearing of status flags */ +} + +/** + * @brief Enables or Disables the Flash interrupt mode + * @param NewState : The new state of the flash interrupt mode + * This parameter can be a value of @ref FunctionalState enumeration. + * @retval None + */ +void FLASH_ITConfig(FunctionalState NewState) +{ + /* Check parameter */ + assert_param(IS_FUNCTIONALSTATE_OK(NewState)); + + if(NewState != DISABLE) + { + FLASH->CR1 |= FLASH_CR1_IE; /* Enables the interrupt sources */ + } + else + { + FLASH->CR1 &= (uint8_t)(~FLASH_CR1_IE); /* Disables the interrupt sources */ + } +} + +/** + * @brief Erases one byte in the program or data EEPROM memory + * @note PointerAttr define is declared in the stm8s.h file to select if + * the pointer will be declared as near (2 bytes) or far (3 bytes). + * @param Address : Address of the byte to erase + * @retval None + */ +void FLASH_EraseByte(uint32_t Address) +{ + /* Check parameter */ + assert_param(IS_FLASH_ADDRESS_OK(Address)); + + /* Erase byte */ + *(PointerAttr uint8_t*) (MemoryAddressCast)Address = FLASH_CLEAR_BYTE; +} + +/** + * @brief Programs one byte in program or data EEPROM memory + * @note PointerAttr define is declared in the stm8s.h file to select if + * the pointer will be declared as near (2 bytes) or far (3 bytes). + * @param Address : Address where the byte will be programmed + * @param Data : Value to be programmed + * @retval None + */ +void FLASH_ProgramByte(uint32_t Address, uint8_t Data) +{ + /* Check parameters */ + assert_param(IS_FLASH_ADDRESS_OK(Address)); + *(PointerAttr uint8_t*) (MemoryAddressCast)Address = Data; +} + +/** + * @brief Reads any byte from flash memory + * @note PointerAttr define is declared in the stm8s.h file to select if + * the pointer will be declared as near (2 bytes) or far (3 bytes). + * @param Address : Address to read + * @retval Value of the byte + */ +uint8_t FLASH_ReadByte(uint32_t Address) +{ + /* Check parameter */ + assert_param(IS_FLASH_ADDRESS_OK(Address)); + + /* Read byte */ + return(*(PointerAttr uint8_t *) (MemoryAddressCast)Address); +} + +/** + * @brief Programs one word (4 bytes) in program or data EEPROM memory + * @note PointerAttr define is declared in the stm8s.h file to select if + * the pointer will be declared as near (2 bytes) or far (3 bytes). + * @param Address : The address where the data will be programmed + * @param Data : Value to be programmed + * @retval None + */ +void FLASH_ProgramWord(uint32_t Address, uint32_t Data) +{ + /* Check parameters */ + assert_param(IS_FLASH_ADDRESS_OK(Address)); + + /* Enable Word Write Once */ + FLASH->CR2 |= FLASH_CR2_WPRG; + FLASH->NCR2 &= (uint8_t)(~FLASH_NCR2_NWPRG); + + /* Write one byte - from lowest address*/ + *((PointerAttr uint8_t*)(MemoryAddressCast)Address) = *((uint8_t*)(&Data)); + /* Write one byte*/ + *(((PointerAttr uint8_t*)(MemoryAddressCast)Address) + 1) = *((uint8_t*)(&Data)+1); + /* Write one byte*/ + *(((PointerAttr uint8_t*)(MemoryAddressCast)Address) + 2) = *((uint8_t*)(&Data)+2); + /* Write one byte - from higher address*/ + *(((PointerAttr uint8_t*)(MemoryAddressCast)Address) + 3) = *((uint8_t*)(&Data)+3); +} + +/** + * @brief Programs option byte + * @param Address : option byte address to program + * @param Data : Value to write + * @retval None + */ +void FLASH_ProgramOptionByte(uint16_t Address, uint8_t Data) +{ + /* Check parameter */ + assert_param(IS_OPTION_BYTE_ADDRESS_OK(Address)); + + /* Enable write access to option bytes */ + FLASH->CR2 |= FLASH_CR2_OPT; + FLASH->NCR2 &= (uint8_t)(~FLASH_NCR2_NOPT); + + /* check if the option byte to program is ROP*/ + if(Address == 0x4800) + { + /* Program option byte*/ + *((NEAR uint8_t*)Address) = Data; + } + else + { + /* Program option byte and his complement */ + *((NEAR uint8_t*)Address) = Data; + *((NEAR uint8_t*)((uint16_t)(Address + 1))) = (uint8_t)(~Data); + } + FLASH_WaitForLastOperation(FLASH_MEMTYPE_PROG); + + /* Disable write access to option bytes */ + FLASH->CR2 &= (uint8_t)(~FLASH_CR2_OPT); + FLASH->NCR2 |= FLASH_NCR2_NOPT; +} + +/** + * @brief Erases option byte + * @param Address : Option byte address to erase + * @retval None + */ +void FLASH_EraseOptionByte(uint16_t Address) +{ + /* Check parameter */ + assert_param(IS_OPTION_BYTE_ADDRESS_OK(Address)); + + /* Enable write access to option bytes */ + FLASH->CR2 |= FLASH_CR2_OPT; + FLASH->NCR2 &= (uint8_t)(~FLASH_NCR2_NOPT); + + /* check if the option byte to erase is ROP */ + if(Address == 0x4800) + { + /* Erase option byte */ + *((NEAR uint8_t*)Address) = FLASH_CLEAR_BYTE; + } + else + { + /* Erase option byte and his complement */ + *((NEAR uint8_t*)Address) = FLASH_CLEAR_BYTE; + *((NEAR uint8_t*)((uint16_t)(Address + (uint16_t)1 ))) = FLASH_SET_BYTE; + } + FLASH_WaitForLastOperation(FLASH_MEMTYPE_PROG); + + /* Disable write access to option bytes */ + FLASH->CR2 &= (uint8_t)(~FLASH_CR2_OPT); + FLASH->NCR2 |= FLASH_NCR2_NOPT; +} + +/** + * @brief Reads one option byte + * @param Address option byte address to read. + * @retval Option byte read value + its complement + */ +uint16_t FLASH_ReadOptionByte(uint16_t Address) +{ + uint8_t value_optbyte, value_optbyte_complement = 0; + uint16_t res_value = 0; + + /* Check parameter */ + assert_param(IS_OPTION_BYTE_ADDRESS_OK(Address)); + + value_optbyte = *((NEAR uint8_t*)Address); /* Read option byte */ + value_optbyte_complement = *(((NEAR uint8_t*)Address) + 1); /* Read option byte complement */ + + /* Read-out protection option byte */ + if(Address == 0x4800) + { + res_value = value_optbyte; + } + else + { + if(value_optbyte == (uint8_t)(~value_optbyte_complement)) + { + res_value = (uint16_t)((uint16_t)value_optbyte << 8); + res_value = res_value | (uint16_t)value_optbyte_complement; + } + else + { + res_value = FLASH_OPTIONBYTE_ERROR; + } + } + return(res_value); +} + +/** + * @brief Select the Flash behaviour in low power mode + * @param FLASH_LPMode Low power mode selection + * This parameter can be any of the @ref FLASH_LPMode_TypeDef values. + * @retval None + */ +void FLASH_SetLowPowerMode(FLASH_LPMode_TypeDef FLASH_LPMode) +{ + /* Check parameter */ + assert_param(IS_FLASH_LOW_POWER_MODE_OK(FLASH_LPMode)); + + /* Clears the two bits */ + FLASH->CR1 &= (uint8_t)(~(FLASH_CR1_HALT | FLASH_CR1_AHALT)); + + /* Sets the new mode */ + FLASH->CR1 |= (uint8_t)FLASH_LPMode; +} + +/** + * @brief Sets the fixed programming time + * @param FLASH_ProgTime Indicates the programming time to be fixed + * This parameter can be any of the @ref FLASH_ProgramTime_TypeDef values. + * @retval None + */ +void FLASH_SetProgrammingTime(FLASH_ProgramTime_TypeDef FLASH_ProgTime) +{ + /* Check parameter */ + assert_param(IS_FLASH_PROGRAM_TIME_OK(FLASH_ProgTime)); + + FLASH->CR1 &= (uint8_t)(~FLASH_CR1_FIX); + FLASH->CR1 |= (uint8_t)FLASH_ProgTime; +} + +/** + * @brief Returns the Flash behaviour type in low power mode + * @param None + * @retval FLASH_LPMode_TypeDef Flash behaviour type in low power mode + */ +FLASH_LPMode_TypeDef FLASH_GetLowPowerMode(void) +{ + return((FLASH_LPMode_TypeDef)(FLASH->CR1 & (uint8_t)(FLASH_CR1_HALT | FLASH_CR1_AHALT))); +} + +/** + * @brief Returns the fixed programming time + * @param None + * @retval FLASH_ProgramTime_TypeDef Fixed programming time value + */ +FLASH_ProgramTime_TypeDef FLASH_GetProgrammingTime(void) +{ + return((FLASH_ProgramTime_TypeDef)(FLASH->CR1 & FLASH_CR1_FIX)); +} + +/** + * @brief Returns the Boot memory size in bytes + * @param None + * @retval Boot memory size in bytes + */ +uint32_t FLASH_GetBootSize(void) +{ + uint32_t temp = 0; + + /* Calculates the number of bytes */ + temp = (uint32_t)((uint32_t)FLASH->FPR * (uint32_t)512); + + /* Correction because size of 127.5 kb doesn't exist */ + if(FLASH->FPR == 0xFF) + { + temp += 512; + } + + /* Return value */ + return(temp); +} + +/** + * @brief Checks whether the specified SPI flag is set or not. + * @param FLASH_FLAG : Specifies the flag to check. + * This parameter can be any of the @ref FLASH_Flag_TypeDef enumeration. + * @retval FlagStatus : Indicates the state of FLASH_FLAG. + * This parameter can be any of the @ref FlagStatus enumeration. + * @note This function can clear the EOP, WR_PG_DIS flags in the IAPSR register. + */ +FlagStatus FLASH_GetFlagStatus(FLASH_Flag_TypeDef FLASH_FLAG) +{ + FlagStatus status = RESET; + /* Check parameters */ + assert_param(IS_FLASH_FLAGS_OK(FLASH_FLAG)); + + /* Check the status of the specified FLASH flag */ + if((FLASH->IAPSR & (uint8_t)FLASH_FLAG) != (uint8_t)RESET) + { + status = SET; /* FLASH_FLAG is set */ + } + else + { + status = RESET; /* FLASH_FLAG is reset*/ + } + + /* Return the FLASH_FLAG status */ + return status; +} + +/** +@code + All the functions defined below must be executed from RAM exclusively, except + for the FLASH_WaitForLastOperation function which can be executed from Flash. + + Steps of the execution from RAM differs from one toolchain to another: + - For Cosmic Compiler: + 1- Define a segment FLASH_CODE by the mean of " #pragma section (FLASH_CODE)". + This segment is defined in the stm8s_flash.c file. + 2- Uncomment the "#define RAM_EXECUTION (1)" line in the stm8s.h file, + or define it in Cosmic compiler preprocessor to enable the FLASH_CODE segment + definition. + 3- In STVD Select Project\Settings\Linker\Category "input" and in the RAM section + add the FLASH_CODE segment with "-ic" options. + 4- In main.c file call the _fctcpy() function with first segment character as + parameter "_fctcpy('F');" to load the declared moveable code segment + (FLASH_CODE) in RAM before execution. + 5- By default the _fctcpy function is packaged in the Cosmic machine library, + so the function prototype "int _fctcopy(char name);" must be added in main.c + file. + + - For Raisonance Compiler + 1- Use the inram keyword in the function declaration to specify that it can be + executed from RAM. + This is done within the stm8s_flash.c file, and it's conditioned by + RAM_EXECUTION definition. + 2- Uncomment the "#define RAM_EXECUTION (1)" line in the stm8s.h file, or + define it in Raisonance compiler preprocessor to enable the access for the + inram functions. + 3- An inram function code is copied from Flash to RAM by the C startup code. + In some applications, the RAM area where the code was initially stored may be + erased or corrupted, so it may be desirable to perform the copy again. + Depending on the application memory model, the memcpy() or fmemcpy() functions + should be used to perform the copy. + � In case your project uses the SMALL memory model (code smaller than 64K), + memcpy()function is recommended to perform the copy + � In case your project uses the LARGE memory model, functions can be + everywhere in the 24-bits address space (not limited to the first 64KB of + code), In this case, the use of memcpy() function will not be appropriate, + you need to use the specific fmemcpy() function (which copies objects with + 24-bit addresses). + - The linker automatically defines 2 symbols for each inram function: + � __address__functionname is a symbol that holds the Flash address + where the given function code is stored. + � __size__functionname is a symbol that holds the function size in bytes. + And we already have the function address (which is itself a pointer) + 4- In main.c file these two steps should be performed for each inram function: + � Import the "__address__functionname" and "__size__functionname" symbols + as global variables: + extern int __address__functionname; // Symbol holding the flash address + extern int __size__functionname; // Symbol holding the function size + � In case of SMALL memory model use, Call the memcpy() function to copy the + inram function to the RAM destination address: + memcpy(functionname, // RAM destination address + (void*)&__address__functionname, // Flash source address + (int)&__size__functionname); // Code size of the function + � In case of LARGE memory model use, call the fmemcpy() function to copy + the inram function to the RAM destination address: + memcpy(functionname, // RAM destination address + (void @far*)&__address__functionname, // Flash source address + (int)&__size__functionname); // Code size of the function + + - For IAR Compiler: + 1- Use the __ramfunc keyword in the function declaration to specify that it + can be executed from RAM. + This is done within the stm8s_flash.c file, and it's conditioned by + RAM_EXECUTION definition. + 2- Uncomment the "#define RAM_EXECUTION (1)" line in the stm8s.h file, or + define it in IAR compiler preprocessor to enable the access for the + __ramfunc functions. + + - Note: + 1- Ignore the IAR compiler warnings, these warnings don't impact the FLASH Program/Erase + operations. + The code performing the Flash Program/erase must be executed from RAM; the variables + initializations don't necessary require the execution from RAM, only CR2/NCR2 registers + configuration and data programing must be executed from RAM. + 2- These warnings depends on IAR compiler: as the code generation is made using many + runtime library functions to keep code size to a minimum. + 3- It is recommended to use High Speed Optimization with IAR (-Ohs), in order + to reduce the runtime library calls in the generated code. + + + + The FLASH examples given within the STM8S_StdPeriph_Lib package, details all + the steps described above. + +@endcode +*/ + +/** + * @brief + ******************************************************************************* + * Execution from RAM enable + ******************************************************************************* + * + * To enable execution from RAM you can either uncomment the following define + * in the stm8s.h file or define it in your toolchain compiler preprocessor + * - #define RAM_EXECUTION (1) + */ + +#if defined (_COSMIC_) && defined (RAM_EXECUTION) + #pragma section (FLASH_CODE) +#endif /* _COSMIC_ && RAM_EXECUTION */ +/** + * @brief Wait for a Flash operation to complete. + * @note The call and execution of this function must be done from RAM in case + * of Block operation. + * @param FLASH_MemType : Memory type + * This parameter can be a value of @ref FLASH_MemType_TypeDef + * @retval FLASH status + */ +IN_RAM(FLASH_Status_TypeDef FLASH_WaitForLastOperation(FLASH_MemType_TypeDef FLASH_MemType)) +{ + uint8_t flagstatus = 0x00; + uint16_t timeout = OPERATION_TIMEOUT; + + /* Wait until operation completion or write protection page occurred */ +#if defined (STM8S208) || defined(STM8S207) || defined(STM8S007) || defined(STM8S105) || \ + defined (STM8S005) || defined(STM8AF52Ax) || defined(STM8AF62Ax) || defined(STM8AF626x) + if(FLASH_MemType == FLASH_MEMTYPE_PROG) + { + while((flagstatus == 0x00) && (timeout != 0x00)) + { + flagstatus = (uint8_t)(FLASH->IAPSR & (uint8_t)(FLASH_IAPSR_EOP | + FLASH_IAPSR_WR_PG_DIS)); + timeout--; + } + } + else + { + while((flagstatus == 0x00) && (timeout != 0x00)) + { + flagstatus = (uint8_t)(FLASH->IAPSR & (uint8_t)(FLASH_IAPSR_HVOFF | + FLASH_IAPSR_WR_PG_DIS)); + timeout--; + } + } +#else /*STM8S103, STM8S001, STM8S903, STM8AF622x */ + UNUSED(FLASH_MemType); + while((flagstatus == 0x00) && (timeout != 0x00)) + { + flagstatus = (uint8_t)(FLASH->IAPSR & (FLASH_IAPSR_EOP | FLASH_IAPSR_WR_PG_DIS)); + timeout--; + } +#endif /* STM8S208, STM8S207, STM8S105, STM8AF52Ax, STM8AF62Ax, STM8AF262x */ + + if(timeout == 0x00 ) + { + flagstatus = FLASH_STATUS_TIMEOUT; + } + + return((FLASH_Status_TypeDef)flagstatus); +} + +/** + * @brief Erases a block in the program or data memory. + * @note This function should be executed from RAM. + * @param FLASH_MemType : The type of memory to erase + * @param BlockNum : Indicates the block number to erase + * @retval None. + */ +IN_RAM(void FLASH_EraseBlock(uint16_t BlockNum, FLASH_MemType_TypeDef FLASH_MemType)) +{ + uint32_t startaddress = 0; + +#if defined(STM8S105) || defined(STM8S005) || defined(STM8S103) || defined(STM8S003) || \ + defined(STM8S001) || defined(STM8S903) || defined (STM8AF626x) || defined (STM8AF622x) + uint32_t PointerAttr *pwFlash; +#elif defined (STM8S208) || defined(STM8S207) || defined(STM8S007) || defined (STM8AF62Ax) || defined (STM8AF52Ax) + uint8_t PointerAttr *pwFlash; +#endif + + /* Check parameters */ + assert_param(IS_MEMORY_TYPE_OK(FLASH_MemType)); + if(FLASH_MemType == FLASH_MEMTYPE_PROG) + { + assert_param(IS_FLASH_PROG_BLOCK_NUMBER_OK(BlockNum)); + startaddress = FLASH_PROG_START_PHYSICAL_ADDRESS; + } + else + { + assert_param(IS_FLASH_DATA_BLOCK_NUMBER_OK(BlockNum)); + startaddress = FLASH_DATA_START_PHYSICAL_ADDRESS; + } + + /* Point to the first block address */ +#if defined (STM8S208) || defined(STM8S207) || defined(STM8S007) || defined (STM8AF62Ax) || defined (STM8AF52Ax) + pwFlash = (PointerAttr uint8_t *)(MemoryAddressCast)(startaddress + ((uint32_t)BlockNum * FLASH_BLOCK_SIZE)); +#elif defined(STM8S105) || defined(STM8S005) || defined(STM8S103) || defined(STM8S003) || \ + defined(STM8S001) || defined (STM8S903) || defined (STM8AF626x) || defined (STM8AF622x) + pwFlash = (PointerAttr uint32_t *)(MemoryAddressCast)(startaddress + ((uint32_t)BlockNum * FLASH_BLOCK_SIZE)); +#endif /* STM8S208, STM8S207 */ + + /* Enable erase block mode */ + FLASH->CR2 |= FLASH_CR2_ERASE; + FLASH->NCR2 &= (uint8_t)(~FLASH_NCR2_NERASE); + +#if defined(STM8S105) || defined(STM8S005) || defined(STM8S103) || defined(STM8S003) || \ + defined(STM8S001) || defined(STM8S903) || defined (STM8AF626x) || defined (STM8AF622x) + *pwFlash = (uint32_t)0; +#elif defined (STM8S208) || defined(STM8S207) || defined(STM8S007) || defined (STM8AF62Ax) || \ + defined (STM8AF52Ax) + *pwFlash = (uint8_t)0; + *(pwFlash + 1) = (uint8_t)0; + *(pwFlash + 2) = (uint8_t)0; + *(pwFlash + 3) = (uint8_t)0; +#endif +} + +/** + * @brief Programs a memory block + * @note This function should be executed from RAM. + * @param FLASH_MemType : The type of memory to program + * @param BlockNum : The block number + * @param FLASH_ProgMode : The programming mode. + * @param Buffer : Pointer to buffer containing source data. + * @retval None. + */ +IN_RAM(void FLASH_ProgramBlock(uint16_t BlockNum, FLASH_MemType_TypeDef FLASH_MemType, + FLASH_ProgramMode_TypeDef FLASH_ProgMode, uint8_t *Buffer)) +{ + uint16_t Count = 0; + uint32_t startaddress = 0; + + /* Check parameters */ + assert_param(IS_MEMORY_TYPE_OK(FLASH_MemType)); + assert_param(IS_FLASH_PROGRAM_MODE_OK(FLASH_ProgMode)); + if(FLASH_MemType == FLASH_MEMTYPE_PROG) + { + assert_param(IS_FLASH_PROG_BLOCK_NUMBER_OK(BlockNum)); + startaddress = FLASH_PROG_START_PHYSICAL_ADDRESS; + } + else + { + assert_param(IS_FLASH_DATA_BLOCK_NUMBER_OK(BlockNum)); + startaddress = FLASH_DATA_START_PHYSICAL_ADDRESS; + } + + /* Point to the first block address */ + startaddress = startaddress + ((uint32_t)BlockNum * FLASH_BLOCK_SIZE); + + /* Selection of Standard or Fast programming mode */ + if(FLASH_ProgMode == FLASH_PROGRAMMODE_STANDARD) + { + /* Standard programming mode */ /*No need in standard mode */ + FLASH->CR2 |= FLASH_CR2_PRG; + FLASH->NCR2 &= (uint8_t)(~FLASH_NCR2_NPRG); + } + else + { + /* Fast programming mode */ + FLASH->CR2 |= FLASH_CR2_FPRG; + FLASH->NCR2 &= (uint8_t)(~FLASH_NCR2_NFPRG); + } + + /* Copy data bytes from RAM to FLASH memory */ + for(Count = 0; Count < FLASH_BLOCK_SIZE; Count++) + { + *((PointerAttr uint8_t*) (MemoryAddressCast)startaddress + Count) = ((uint8_t)(Buffer[Count])); + } +} + +#if defined (_COSMIC_) && defined (RAM_EXECUTION) + /* End of FLASH_CODE section */ + #pragma section () +#endif /* _COSMIC_ && RAM_EXECUTION */ + +/** + * @} + */ + +/** + * @} + */ + +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ -- Gitblit v1.9.1