HC 32F003 flash 驱动

只看该作者 · 2020-3-26 19:36

Flash 操作控制数据类型重定义
typedef enum en_flash_op
{
Read       = 0u,          ///<读配置值
Program    = 1u,          ///<编程配置值
SectorErase = 2u,          ///<扇区擦除配置值
ChipErase = 3u,          ///<全片擦除配置值
} en_flash_op_t;

只看该作者 · 2020-3-26 19:38

加解锁数据类型重定义
typedef enum en_flash_lock
{
LockAll = 0x0000u, ///<全片加锁
UnlockAll = 0xFFFFu, ///<全片解锁
} en_flash_lock_t;

只看该作者 · 2020-3-26 19:38

FLASH编程时间参数配置数据类型重定义
typedef enum en_flash_prgtimer
{
Tnvs    = 32u,
Tpgs    = 23u,
Tprog    = 27u,
Tserase = 18000u,
Tmerase = 140000u,
Tprcv    = 24u,
Tsrcv    = 240u,
Tmrcv    = 1000u,
} en_flash_prgtimer_t;

只看该作者 · 2020-3-26 19:39

Flash中断标志获取
boolean_t Flash_GetIntFlag(en_flash_int_type_t enFlashIntType)
{
boolean_t bRetVal = FALSE;

switch (enFlashIntType)
{
      case flash_int0:
         bRetVal = M0P_FLASH->IFR_f.IF0 ? TRUE : FALSE;
         break;
      case flash_int1:
         bRetVal = M0P_FLASH->IFR_f.IF1 ? TRUE : FALSE;
         break;
      default:
         bRetVal = FALSE;
         break;
}

return bRetVal;
}

只看该作者 · 2020-3-26 19:40

Flash中断标志清除
en_result_t Flash_ClearIntFlag(en_flash_int_type_t enFlashIntType)
{
en_result_t enResult = Error;

switch (enFlashIntType)
{
      case flash_int0:
         FLASH_BYPASS();
         M0P_FLASH->ICLR_f.ICLR0 = FALSE;
         enResult = Ok;
         break;
      case flash_int1:
         FLASH_BYPASS();
         M0P_FLASH->ICLR_f.ICLR1 = FALSE;
         enResult = Ok;
         break;
      default:
         enResult = Error;
         break;
}

return enResult;
}

只看该作者 · 2020-3-26 19:46

Flash中断服务函数
void EfRam_IRQHandler(uint8_t u8Param)
{
pfnFlashCallback();
}

只看该作者 · 2020-3-26 19:48

Flash中断使能
en_result_t Flash_EnableIrq (en_flash_int_type_t enFlashIntType)
{
en_result_t enResult = Error;

switch (enFlashIntType)
{
      case flash_int0:
         FLASH_BYPASS();
         M0P_FLASH->CR_f.IE |= 0x01;
         enResult = Ok;
         break;
      case flash_int1:
         FLASH_BYPASS();
         M0P_FLASH->CR_f.IE |= 0x02;
         enResult = Ok;
         break;
      default:
         enResult = Error;
         break;
}

return enResult;
}

只看该作者 · 2020-3-26 19:49

Flash中断禁止
en_result_t Flash_DisableIrq(en_flash_int_type_t enFlashIntType)
{
en_result_t enResult = Error;

switch (enFlashIntType)
{
      case flash_int0:
         FLASH_BYPASS();
         M0P_FLASH->CR_f.IE &= ~0x02u;
         enResult = Ok;
         break;
      case flash_int1:
         FLASH_BYPASS();
         M0P_FLASH->CR_f.IE &= ~0x01u;
         enResult = Ok;
         break;
      default:
         enResult = Error;
         break;
}

return enResult;
}

只看该作者 · 2020-3-26 20:08

FLASH 中断服务程序及编程时间配置
en_result_t Flash_Init(func_ptr_t pfnFlashCb, uint8_t u8FreqCfg)
{
en_result_t          enResult = Ok;

if (u8FreqCfg > 3)
{
      enResult = ErrorInvalidParameter;
      return (enResult);
}

//flash时间参数寄存器配置
FLASH_BYPASS();
M0P_FLASH->TNVS_f.TNVS    = Tnvs << u8FreqCfg;
FLASH_BYPASS();
M0P_FLASH->TPGS_f.TPGS    = Tpgs << u8FreqCfg;
FLASH_BYPASS();
M0P_FLASH->TPROG_f.TPROG    = Tprog << u8FreqCfg;
FLASH_BYPASS();
M0P_FLASH->TSERASE_f.TSERASE = Tserase << u8FreqCfg;
FLASH_BYPASS();
M0P_FLASH->TMERASE_f.TMERASE = Tmerase << u8FreqCfg;
FLASH_BYPASS();
M0P_FLASH->TPRCV_f.TPRCV    = Tprcv << u8FreqCfg;
FLASH_BYPASS();
M0P_FLASH->TSRCV_f.TSRCV    = Tsrcv << u8FreqCfg;
FLASH_BYPASS();
M0P_FLASH->TMRCV_f.TMRCV    = Tmrcv << u8FreqCfg;

//开启读FLASH等待周期
if (3 == u8FreqCfg)
{
      FLASH_BYPASS();
      M0P_FLASH->CR_f.WAIT = TRUE;
}
else
{
      FLASH_BYPASS();
      M0P_FLASH->CR_f.WAIT = FALSE;
}

pfnFlashCallback = pfnFlashCb;

return (enResult);
}

只看该作者 · 2020-3-26 20:54

FLASH 字节写
en_result_t Flash_WriteByte(uint32_t u32Addr, uint8_t u8Data)
{
en_result_t          enResult = Ok;

if (FLASH_END_ADDR < u32Addr)
{
      enResult = ErrorInvalidParameter;
      return (enResult);
}

//unlock flash
FLASH_BYPASS();
M0P_FLASH->SLOCK_f.SLOCK = UnlockAll;

//busy?
while (TRUE == M0P_FLASH->CR_f.BUSY)
{
      ;
}

//set OP
FLASH_BYPASS();
M0P_FLASH->CR_f.OP = Program;

//write data
*((volatile uint8_t*)u32Addr) = u8Data;

//busy?
while (TRUE == M0P_FLASH->CR_f.BUSY)
{
      ;
}

//lock flash
FLASH_BYPASS();
M0P_FLASH->SLOCK_f.SLOCK = LockAll;

return (enResult);
}

只看该作者 · 2020-3-26 20:57

用于向FLASH写入半字（2字节）数据.
en_result_t Flash_WriteHalfWord(uint32_t u32Addr, uint16_t u16Data)
{
en_result_t          enResult = Ok;

if ((FLASH_END_ADDR < u32Addr) || (u32Addr % 2))
{
      enResult = ErrorInvalidParameter;
      return (enResult);
}

//unlock flash
FLASH_BYPASS();
M0P_FLASH->SLOCK_f.SLOCK = UnlockAll;

//busy?
while (TRUE == M0P_FLASH->CR_f.BUSY)
{
      ;
}

//set OP
FLASH_BYPASS();
M0P_FLASH->CR_f.OP = Program;

//write data
*((volatile uint16_t*)u32Addr) = u16Data;

//busy?
while (TRUE == M0P_FLASH->CR_f.BUSY)
{
      ;
}

//lock flash
FLASH_BYPASS();
M0P_FLASH->SLOCK_f.SLOCK = LockAll;

return (enResult);
}

只看该作者 · 2020-3-26 20:58

用于向FLASH写入1个字的数据
en_result_t Flash_WriteWord(uint32_t u32Addr, uint32_t u32Data)
{
en_result_t          enResult = Ok;

if ((FLASH_END_ADDR < u32Addr) || (u32Addr % 4))
{
      enResult = ErrorInvalidParameter;
      return (enResult);
}

//unlock flash
FLASH_BYPASS();
M0P_FLASH->SLOCK_f.SLOCK = UnlockAll;

//busy?
while (TRUE == M0P_FLASH->CR_f.BUSY)
{
      ;
}

//set OP
FLASH_BYPASS();
M0P_FLASH->CR_f.OP = Program;

//write data
*((volatile uint32_t*)u32Addr) = u32Data;

//busy?
while (TRUE == M0P_FLASH->CR_f.BUSY)
{
      ;
}

//lock flash
FLASH_BYPASS();
M0P_FLASH->SLOCK_f.SLOCK = LockAll;

return (enResult);
}

只看该作者 · 2020-3-26 20:58

FLASH 扇区擦除
en_result_t Flash_SectorErase(uint32_t u32SectorAddr)
{

en_result_t          enResult = Ok;

if (FLASH_END_ADDR < u32SectorAddr)
{
      enResult = ErrorInvalidParameter;
      return (enResult);
}

//unlock flash
FLASH_BYPASS();
M0P_FLASH->SLOCK_f.SLOCK = UnlockAll;

//busy?
while (TRUE == M0P_FLASH->CR_f.BUSY)
{
      ;
}

//set OP
FLASH_BYPASS();
M0P_FLASH->CR_f.OP = SectorErase;

//write data
*((volatile uint8_t*)u32SectorAddr) = 0;

//busy?
while (TRUE == M0P_FLASH->CR_f.BUSY)
{
      ;
}

//lock flash
FLASH_BYPASS();
M0P_FLASH->SLOCK_f.SLOCK = LockAll;

return (enResult);
}

只看该作者 · 2020-3-26 20:59

FLASH 全片擦除
en_result_t Flash_ChipErase(void)
{

en_result_t          enResult = Ok;

//unlock flash
FLASH_BYPASS();
M0P_FLASH->SLOCK_f.SLOCK = UnlockAll;

//busy?
while (TRUE == M0P_FLASH->CR_f.BUSY)
{
      ;
}

//set OP
FLASH_BYPASS();
M0P_FLASH->CR_f.OP = ChipErase;

//write data
*((volatile uint8_t*)0) = 0;

//busy?
while (TRUE == M0P_FLASH->CR_f.BUSY)
{
      ;
}

//lock flash
FLASH_BYPASS();
M0P_FLASH->SLOCK_f.SLOCK = LockAll;

return (enResult);
}