bstanwell/ch32v20x-examples
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This commit is contained in:
qiyongshuang
2024-11-11 14:32:11 +08:00
parent c4c38f507e
commit 961943f623
452 changed files with 9316 additions and 862 deletions
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EVT/EXAM/SRC/Peripheral/src/ch32v20x_flash.c
+4 -22
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@@ -28,7 +28,6 @@
#define CR_PAGE_PG ((uint32_t)0x00010000)
#define CR_PAGE_ER ((uint32_t)0x00020000)
#define CR_BER32 ((uint32_t)0x00040000)
#define CR_BER64 ((uint32_t)0x00080000)
#define CR_PG_STRT ((uint32_t)0x00200000)
/* FLASH Status Register bits */
@@ -521,6 +520,7 @@ FLASH_Status FLASH_UserOptionByteConfig(uint16_t OB_IWDG, uint16_t OB_STOP, uint
uint32_t Addr = 0x1FFFF800;
__IO uint8_t i;
uint16_t pbuf[8];
uint16_t temp;
FLASH->OBKEYR = FLASH_KEY1;
FLASH->OBKEYR = FLASH_KEY2;
@@ -533,6 +533,8 @@ FLASH_Status FLASH_UserOptionByteConfig(uint16_t OB_IWDG, uint16_t OB_STOP, uint
pbuf[i] = *(uint16_t *)(Addr + 2 * i);
}
temp=pbuf[1]&(~0x7);
/* Erase optionbytes */
FLASH->CTLR |= CR_OPTER_Set;
FLASH->CTLR |= CR_STRT_Set;
@@ -540,7 +542,7 @@ FLASH_Status FLASH_UserOptionByteConfig(uint16_t OB_IWDG, uint16_t OB_STOP, uint
FLASH->CTLR &= ~CR_OPTER_Set;
/* Write optionbytes */
pbuf[1] = OB_IWDG | (uint16_t)(OB_STOP | (uint16_t)(OB_STDBY | ((uint16_t)0xF8)));
pbuf[1] = OB_IWDG | (uint16_t)(OB_STOP | (uint16_t)(OB_STDBY | ((uint16_t)temp)));
FLASH->CTLR |= CR_OPTPG_Set;
for(i = 0; i < 8; i++){
@@ -864,26 +866,6 @@ void FLASH_EraseBlock_32K_Fast(uint32_t Block_Address)
FLASH->CTLR &= ~CR_BER32;
}
/*********************************************************************
* @fn FLASH_EraseBlock_64K_Fast
*
* @brief Erases a specified FLASH Block (1Block = 64KByte).
*
* @param Block_Address - The block address to be erased.
*
* @return none
*/
void FLASH_EraseBlock_64K_Fast(uint32_t Block_Address)
{
Block_Address &= 0xFFFF0000;
FLASH->CTLR |= CR_BER64;
FLASH->ADDR = Block_Address;
FLASH->CTLR |= CR_STRT_Set;
while(FLASH->STATR & SR_BSY);
FLASH->CTLR &= ~CR_BER64;
}
/*********************************************************************
* @fn FLASH_ProgramPage_Fast
*