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CaoWangrenbo
2023-12-11 21:45:06 +08:00
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/*********************************************************************************************************************
* CH32V307VCT6 Opensourec Library <20><><EFBFBD><EFBFBD>CH32V307VCT6 <20><>Դ<EFBFBD>⣩<EFBFBD><E2A3A9>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD>ڹٷ<DAB9> SDK <20>ӿڵĵ<DAB5><C4B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Դ<EFBFBD><D4B4>
* Copyright (c) 2022 SEEKFREE <20><><EFBFBD>ɿƼ<C9BF>
*
* <20><><EFBFBD>ļ<EFBFBD><C4BC><EFBFBD>CH32V307VCT6 <20><>Դ<EFBFBD><D4B4><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD>
*
* CH32V307VCT6 <20><>Դ<EFBFBD><D4B4> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* <20><><EFBFBD><EFBFBD><EFBFBD>Ը<EFBFBD><D4B8><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ᷢ<EFBFBD><E1B7A2><EFBFBD><EFBFBD> GPL<50><4C>GNU General Public License<73><65><EFBFBD><EFBFBD> GNUͨ<55>ù<EFBFBD><C3B9><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>֤<EFBFBD><D6A4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* <20><> GPL <20>ĵ<EFBFBD>3<EFBFBD>棨<EFBFBD><E6A3A8> GPL3.0<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѡ<EFBFBD><EFBFBD><EFBFBD>ģ<EFBFBD><EFBFBD>κκ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>İ汾<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>·<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>/<2F><><EFBFBD>޸<EFBFBD><DEB8><EFBFBD>
*
* <20><><EFBFBD><EFBFBD>Դ<EFBFBD><D4B4><EFBFBD>ķ<EFBFBD><C4B7><EFBFBD><EFBFBD><EFBFBD>ϣ<EFBFBD><CFA3><EFBFBD><EFBFBD><EFBFBD>ܷ<EFBFBD><DCB7><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ã<EFBFBD><C3A3><EFBFBD><EFBFBD><EFBFBD>δ<EFBFBD><CEB4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>κεı<CEB5>֤
* <20><><EFBFBD><EFBFBD>û<EFBFBD><C3BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ի<EFBFBD><D4BB>ʺ<EFBFBD><CABA>ض<EFBFBD><D8B6><EFBFBD>;<EFBFBD>ı<EFBFBD>֤
* <20><><EFBFBD><EFBFBD>ϸ<EFBFBD><CFB8><EFBFBD><EFBFBD><EFBFBD>μ<EFBFBD> GPL
*
* <20><>Ӧ<EFBFBD><D3A6><EFBFBD><EFBFBD><EFBFBD>յ<EFBFBD><D5B5><EFBFBD><EFBFBD><EFBFBD>Դ<EFBFBD><D4B4><EFBFBD><EFBFBD>ͬʱ<CDAC>յ<EFBFBD>һ<EFBFBD><D2BB> GPL <20>ĸ<EFBFBD><C4B8><EFBFBD>
* <20><><EFBFBD><EFBFBD>û<EFBFBD>У<EFBFBD><D0A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><https://www.gnu.org/licenses/>
*
* <20><><EFBFBD><EFBFBD>ע<EFBFBD><D7A2><EFBFBD><EFBFBD>
* <20><><EFBFBD><EFBFBD>Դ<EFBFBD><D4B4>ʹ<EFBFBD><CAB9> GPL3.0 <20><>Դ<EFBFBD><D4B4><EFBFBD><EFBFBD>֤Э<D6A4><D0AD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><CEAA><EFBFBD>İ汾
* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӣ<EFBFBD>İ<EFBFBD><C4B0><EFBFBD> libraries/doc <20>ļ<EFBFBD><C4BC><EFBFBD><EFBFBD>µ<EFBFBD> GPL3_permission_statement.txt <20>ļ<EFBFBD><C4BC><EFBFBD>
* <20><><EFBFBD><EFBFBD>֤<EFBFBD><D6A4><EFBFBD><EFBFBD><EFBFBD><EFBFBD> libraries <20>ļ<EFBFBD><C4BC><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD><C4BC><EFBFBD><EFBFBD>µ<EFBFBD> LICENSE <20>ļ<EFBFBD>
* <20><>ӭ<EFBFBD><D3AD>λʹ<CEBB>ò<EFBFBD><C3B2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD>޸<EFBFBD><DEB8><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD>뱣<EFBFBD><EBB1A3><EFBFBD><EFBFBD><EFBFBD>ɿƼ<C9BF><C6BC>İ<EFBFBD>Ȩ<EFBFBD><C8A8><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
*
* <20>ļ<EFBFBD><C4BC><EFBFBD><EFBFBD><EFBFBD> zf_driver_flash
* <20><>˾<EFBFBD><CBBE><EFBFBD><EFBFBD> <20>ɶ<EFBFBD><C9B6><EFBFBD><EFBFBD>ɿƼ<C9BF><C6BC><EFBFBD><EFBFBD>޹<EFBFBD>˾
* <20>汾<EFBFBD><E6B1BE>Ϣ <20>鿴 libraries/doc <20>ļ<EFBFBD><C4BC><EFBFBD><EFBFBD><EFBFBD> version <20>ļ<EFBFBD> <20>汾˵<E6B1BE><CBB5>
* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> MounRiver Studio V1.8.1
* <20><><EFBFBD><EFBFBD>ƽ̨ CH32V307VCT6
* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> https://seekfree.taobao.com/
*
* <20>޸ļ<DEB8>¼
* <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD> <20><>ע
* 2022-09-15 <20><>W first version
********************************************************************************************************************/
#include "zf_common_debug.h"
#include "zf_common_interrupt.h"
#include "zf_common_clock.h"
#include "zf_driver_flash.h"
flash_data_union flash_union_buffer[FLASH_DATA_BUFFER_SIZE]; // FLASH <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݻ<EFBFBD><DDBB><EFBFBD><EFBFBD><EFBFBD>
//-------------------------------------------------------------------------------------------------------------------
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> У<><D0A3> FLASH <20>Ƿ<EFBFBD><C7B7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
// <20><><EFBFBD><EFBFBD>˵<EFBFBD><CBB5> sector_num <20><>Ҫд<D2AA><D0B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Χ <0 - 63>
// <20><><EFBFBD><EFBFBD>˵<EFBFBD><CBB5> page_num <20><>ǰ<EFBFBD><C7B0><EFBFBD><EFBFBD>ҳ<EFBFBD>ı<EFBFBD><C4B1><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Χ <0 - 3>
// <20><><EFBFBD>ز<EFBFBD><D8B2><EFBFBD> uint8 1-<2D><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 0-û<><C3BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD><D2AA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݵ<EFBFBD><DDB5><EFBFBD><EFBFBD><EFBFBD>д<EFBFBD><D0B4><EFBFBD>µ<EFBFBD><C2B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD>ö<EFBFBD><C3B6><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>в<EFBFBD><D0B2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
// ʹ<><CAB9>ʾ<EFBFBD><CABE> flash_check(63, 3);
// <20><>ע<EFBFBD><D7A2>Ϣ
//-------------------------------------------------------------------------------------------------------------------
uint8 flash_check (uint32 sector_num, uint32 page_num)
{
zf_assert(sector_num <= FLASH_MAX_SECTION_INDEX); // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Χ 0-63
zf_assert(page_num <= FLASH_MAX_PAGE_INDEX); // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Χ 0-3
uint8 return_state = 0;
uint16 temp_loop;
uint32 flash_addr = ((FLASH_BASE_ADDR+FLASH_SECTION_SIZE*sector_num+FLASH_PAGE_SIZE*page_num)); // <20><>ȡ<EFBFBD><C8A1>ǰ Flash <20><>ַ
uint32 primask = interrupt_global_disable();
//clock_reset(); // <20><>λʱ<CEBB><CAB1>
//clock_set_freq(SYSTEM_CLOCK_120M); // <20><><EFBFBD><EFBFBD>ϵͳƵ<CDB3><C6B5>Ϊ120Mhz
for(temp_loop = 0; temp_loop < FLASH_PAGE_SIZE; temp_loop+=4) // ѭ<><D1AD><EFBFBD><EFBFBD>ȡ Flash <20><>ֵ
{
if( (*(__IO u32*) (flash_addr+temp_loop)) != 0xE339E339 ) // <20>õ<EFBFBD>Ƭ<EFBFBD><C6AC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 0xE339E339 <20>Ǿ<EFBFBD><C7BE><EFBFBD><EFBFBD><EFBFBD>ֵ
{
return_state = 1;
break;
}
}
//clock_reset(); // <20><>λʱ<CEBB><CAB1>
//clock_set_freq(system_clock); // <20><><EFBFBD>û<EFBFBD>ԭ<EFBFBD><D4AD><EFBFBD><EFBFBD>ϵͳƵ<CDB3><C6B5>
interrupt_global_enable(primask);
return return_state;
}
//-------------------------------------------------------------------------------------------------------------------
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>(4KB)
// <20><><EFBFBD><EFBFBD>˵<EFBFBD><CBB5> sector_num <20><>Ҫд<D2AA><D0B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Χ <0 - 63>
// <20><><EFBFBD><EFBFBD>˵<EFBFBD><CBB5> page_num <20><>ǰ<EFBFBD><C7B0><EFBFBD><EFBFBD>ҳ<EFBFBD>ı<EFBFBD><C4B1><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Χ <0 - 3>
// <20><><EFBFBD>ز<EFBFBD><D8B2><EFBFBD> uint8 1-<2D><>ʾʧ<CABE><CAA7> 0-<2D><>ʾ<EFBFBD>ɹ<EFBFBD>
// ʹ<><CAB9>ʾ<EFBFBD><CABE> flash_erase_page(63, 3);
// <20><>ע<EFBFBD><D7A2>Ϣ
// <20><>׼<EFBFBD><D7BC><EFBFBD><EFBFBD>ֻ<EFBFBD><D6BB><EFBFBD>Dz<EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݣ<EFBFBD>4KB<4B>ֽڳ<D6BD><DAB3><EFBFBD>
//-------------------------------------------------------------------------------------------------------------------
uint8 flash_erase_sector (uint32 sector_num, uint32 page_num)
{
zf_assert(sector_num <= FLASH_MAX_SECTION_INDEX); // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Χ 0-63
zf_assert(page_num <= FLASH_MAX_PAGE_INDEX); // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Χ 0-3
uint8 return_state = 0;
static volatile FLASH_Status gFlashStatus = FLASH_COMPLETE;
uint32 flash_addr = ((FLASH_BASE_ADDR+FLASH_SECTION_SIZE*sector_num+FLASH_PAGE_SIZE*page_num)); // <20><>ȡ<EFBFBD><C8A1>ǰ Flash <20><>ַ
uint32 primask = interrupt_global_disable();
//clock_reset(); // <20><>λʱ<CEBB><CAB1>
//clock_set_freq(SYSTEM_CLOCK_120M); // <20><><EFBFBD><EFBFBD>ϵͳƵ<CDB3><C6B5>Ϊ120Mhz
FLASH_Unlock(); // <20><><EFBFBD><EFBFBD> Flash
FLASH_ClearFlag(FLASH_FLAG_EOP | FLASH_FLAG_PGERR | FLASH_FLAG_WRPRTERR); // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>־
gFlashStatus = FLASH_ErasePage(flash_addr); // <20><><EFBFBD><EFBFBD>
FLASH_ClearFlag(FLASH_FLAG_EOP ); // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>־
FLASH_Lock(); // <20><><EFBFBD><EFBFBD> Flash
if(gFlashStatus != FLASH_COMPLETE) // <20>жϲ<D0B6><CFB2><EFBFBD><EFBFBD>Ƿ<EFBFBD><C7B7>ɹ<EFBFBD>
{
return_state = 1;
}
//clock_reset(); // <20><>λʱ<CEBB><CAB1>
//clock_set_freq(system_clock); // <20><><EFBFBD>û<EFBFBD>ԭ<EFBFBD><D4AD><EFBFBD><EFBFBD>ϵͳƵ<CDB3><C6B5>
interrupt_global_enable(primask);
return return_state;
}
//-------------------------------------------------------------------------------------------------------------------
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><>ȡһҳ
// <20><><EFBFBD><EFBFBD>˵<EFBFBD><CBB5> sector_num <20><>Ҫд<D2AA><D0B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Χ <0 - 63>
// <20><><EFBFBD><EFBFBD>˵<EFBFBD><CBB5> page_num <20><>ǰ<EFBFBD><C7B0><EFBFBD><EFBFBD>ҳ<EFBFBD>ı<EFBFBD><C4B1><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Χ <0 - 3>
// <20><><EFBFBD><EFBFBD>˵<EFBFBD><CBB5> buf <20><>Ҫ<EFBFBD><D2AA>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD>ݵ<EFBFBD>ַ <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͱ<EFBFBD><CDB1><EFBFBD>Ϊuint32
// <20><><EFBFBD><EFBFBD>˵<EFBFBD><CBB5> len <20><>Ҫд<D2AA><D0B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݳ<EFBFBD><DDB3><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Χ 1-256
// <20><><EFBFBD>ز<EFBFBD><D8B2><EFBFBD> void
// ʹ<><CAB9>ʾ<EFBFBD><CABE> flash_read_page(63, 3, data_buffer, 256);
// <20><>ע<EFBFBD><D7A2>Ϣ
//-------------------------------------------------------------------------------------------------------------------
void flash_read_page (uint32 sector_num, uint32 page_num, uint32 *buf, uint16 len)
{
zf_assert(sector_num <= FLASH_MAX_SECTION_INDEX); // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Χ 0-63
zf_assert(page_num <= FLASH_MAX_PAGE_INDEX); // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Χ 0-3
zf_assert(len <= FLASH_DATA_BUFFER_SIZE);
uint16 temp_loop = 0;
uint32 flash_addr = 0;
flash_addr = ((FLASH_BASE_ADDR+FLASH_SECTION_SIZE*sector_num+FLASH_PAGE_SIZE*page_num)); // <20><>ȡ<EFBFBD><C8A1>ǰ Flash <20><>ַ
uint32 primask = interrupt_global_disable();
//clock_reset(); // <20><>λʱ<CEBB><CAB1>
//clock_set_freq(SYSTEM_CLOCK_120M); // <20><><EFBFBD><EFBFBD>ϵͳƵ<CDB3><C6B5>Ϊ120Mhz
for(temp_loop = 0; temp_loop < len; temp_loop++) // <20><><EFBFBD><EFBFBD>ָ<EFBFBD><D6B8><EFBFBD><EFBFBD><EFBFBD>ȶ<EFBFBD>ȡ
{
*buf++ = *(__IO uint32*)(flash_addr+temp_loop*4); // ѭ<><D1AD><EFBFBD><EFBFBD>ȡ Flash <20><>ֵ
}
// <20><><EFBFBD><EFBFBD> Flash
//clock_reset(); // <20><>λʱ<CEBB><CAB1>
//clock_set_freq(system_clock); // <20><><EFBFBD>û<EFBFBD>ԭ<EFBFBD><D4AD><EFBFBD><EFBFBD>ϵͳƵ<CDB3><C6B5>
interrupt_global_enable(primask);
}
//-------------------------------------------------------------------------------------------------------------------
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD>һҳ
// <20><><EFBFBD><EFBFBD>˵<EFBFBD><CBB5> sector_num <20><>Ҫд<D2AA><D0B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Χ <0 - 63>
// <20><><EFBFBD><EFBFBD>˵<EFBFBD><CBB5> page_num <20><>ǰ<EFBFBD><C7B0><EFBFBD><EFBFBD>ҳ<EFBFBD>ı<EFBFBD><C4B1><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Χ <0 - 3>
// <20><><EFBFBD><EFBFBD>˵<EFBFBD><CBB5> buf <20><>Ҫд<D2AA><D0B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݵ<EFBFBD>ַ <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͱ<EFBFBD><CDB1><EFBFBD>Ϊ uint32
// <20><><EFBFBD><EFBFBD>˵<EFBFBD><CBB5> len <20><>Ҫд<D2AA><D0B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݳ<EFBFBD><DDB3><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Χ 1-256
// <20><><EFBFBD>ز<EFBFBD><D8B2><EFBFBD> uint8 1-<2D><>ʾʧ<CABE><CAA7> 0-<2D><>ʾ<EFBFBD>ɹ<EFBFBD>
// ʹ<><CAB9>ʾ<EFBFBD><CABE> flash_write_page(63, 3, data_buffer, 256);
// <20><>ע<EFBFBD><D7A2>Ϣ
//-------------------------------------------------------------------------------------------------------------------
uint8 flash_write_page (uint32 sector_num, uint32 page_num, const uint32 *buf, uint16 len)
{
zf_assert(sector_num <= FLASH_MAX_SECTION_INDEX); // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Χ 0-63
zf_assert(page_num <= FLASH_MAX_PAGE_INDEX); // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Χ 0-3
zf_assert(len <= FLASH_DATA_BUFFER_SIZE);
uint8 return_state = 0;
static volatile FLASH_Status gFlashStatus = FLASH_COMPLETE;
uint32 flash_addr = 0;
flash_addr = ((FLASH_BASE_ADDR+FLASH_SECTION_SIZE*sector_num+FLASH_PAGE_SIZE*page_num)); // <20><>ȡ<EFBFBD><C8A1>ǰ Flash <20><>ַ
if(flash_check(sector_num, page_num)) // <20>ж<EFBFBD><D0B6>Ƿ<EFBFBD><C7B7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ı<EFBFBD><C4B1><EFBFBD> <20><>ֹ<EFBFBD><D6B9><EFBFBD><EFBFBD>û<EFBFBD><C3BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD>д<EFBFBD><D0B4>
{
flash_erase_sector(sector_num, page_num); // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD>
}
uint32 primask = interrupt_global_disable();
//clock_reset(); // <20><>λʱ<CEBB><CAB1>
//clock_set_freq(SYSTEM_CLOCK_120M); // <20><><EFBFBD><EFBFBD>ϵͳƵ<CDB3><C6B5>Ϊ120Mhz
FLASH_Unlock(); // <20><><EFBFBD><EFBFBD> Flash
while(len--) // <20><><EFBFBD>ݳ<EFBFBD><DDB3><EFBFBD>
{
gFlashStatus = FLASH_ProgramWord(flash_addr, *buf++); // <20><><EFBFBD><EFBFBD> 32bit д<><D0B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
if(gFlashStatus != FLASH_COMPLETE) // <20><><EFBFBD><EFBFBD>ȷ<EFBFBD>ϲ<EFBFBD><CFB2><EFBFBD><EFBFBD>Ƿ<EFBFBD><C7B7>ɹ<EFBFBD>
{
return_state = 1;
break;
}
flash_addr += 4; // <20><>ַ<EFBFBD><D6B7><EFBFBD><EFBFBD>
}
FLASH_Lock(); // <20><><EFBFBD><EFBFBD> Flash
//clock_reset(); // <20><>λʱ<CEBB><CAB1>
//clock_set_freq(system_clock); // <20><><EFBFBD>û<EFBFBD>ԭ<EFBFBD><D4AD><EFBFBD><EFBFBD>ϵͳƵ<CDB3><C6B5>
interrupt_global_enable(primask);
return return_state;
}
//-------------------------------------------------------------------------------------------------------------------
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><>ָ<EFBFBD><D6B8> FLASH <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD><D6B8>ҳ<EFBFBD><D2B3><EFBFBD><EFBFBD>ȡ<EFBFBD><C8A1><EFBFBD>ݵ<EFBFBD><DDB5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
// <20><><EFBFBD><EFBFBD>˵<EFBFBD><CBB5> sector_num <20><>Ҫд<D2AA><D0B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Χ <0 - 63>
// <20><><EFBFBD><EFBFBD>˵<EFBFBD><CBB5> page_num <20><>ǰ<EFBFBD><C7B0><EFBFBD><EFBFBD>ҳ<EFBFBD>ı<EFBFBD><C4B1><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Χ <0 - 3>
// <20><><EFBFBD>ز<EFBFBD><D8B2><EFBFBD> void
// ʹ<><CAB9>ʾ<EFBFBD><CABE> flash_read_page_to_buffer(63, 3);
// <20><>ע<EFBFBD><D7A2>Ϣ
//-------------------------------------------------------------------------------------------------------------------
void flash_read_page_to_buffer (uint32 sector_num, uint32 page_num)
{
zf_assert(sector_num <= FLASH_MAX_SECTION_INDEX); // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Χ 0-63
zf_assert(page_num <= FLASH_MAX_PAGE_INDEX); // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Χ 0-3
uint16 temp_loop;
uint32 flash_addr = ((FLASH_BASE_ADDR + FLASH_SECTION_SIZE*sector_num + FLASH_PAGE_SIZE*page_num)); // <20><>ȡ<EFBFBD><C8A1>ǰ Flash <20><>ַ
for(temp_loop = 0; temp_loop < FLASH_DATA_BUFFER_SIZE; temp_loop++) // <20><><EFBFBD><EFBFBD>ָ<EFBFBD><D6B8><EFBFBD><EFBFBD><EFBFBD>ȶ<EFBFBD>ȡ
{
flash_union_buffer[temp_loop].uint32_type = *(__IO uint32*)(flash_addr+temp_loop*4); // ѭ<><D1AD><EFBFBD><EFBFBD>ȡ Flash <20><>ֵ
}
}
//-------------------------------------------------------------------------------------------------------------------
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><>ָ<EFBFBD><D6B8> FLASH <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD><D6B8>ҳ<EFBFBD><D2B3>д<EFBFBD>뻺<EFBFBD><EBBBBA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
// <20><><EFBFBD><EFBFBD>˵<EFBFBD><CBB5> sector_num <20><>Ҫд<D2AA><D0B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Χ <0 - 63>
// <20><><EFBFBD><EFBFBD>˵<EFBFBD><CBB5> page_num <20><>ǰ<EFBFBD><C7B0><EFBFBD><EFBFBD>ҳ<EFBFBD>ı<EFBFBD><C4B1><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Χ <0 - 3>
// <20><><EFBFBD>ز<EFBFBD><D8B2><EFBFBD> uint8 1-<2D><>ʾʧ<CABE><CAA7> 0-<2D><>ʾ<EFBFBD>ɹ<EFBFBD>
// ʹ<><CAB9>ʾ<EFBFBD><CABE> flash_write_page_from_buffer(63, 3);
// <20><>ע<EFBFBD><D7A2>Ϣ
//-------------------------------------------------------------------------------------------------------------------
uint8 flash_write_page_from_buffer (uint32 sector_num, uint32 page_num)
{
zf_assert(sector_num <= FLASH_MAX_SECTION_INDEX); // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Χ 0-63
zf_assert(page_num <= FLASH_MAX_PAGE_INDEX); // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Χ 0-3
uint8 return_state = 0;
static volatile FLASH_Status gFlashStatus = FLASH_COMPLETE;
uint32 flash_addr = 0;
uint16 len = 0;
flash_addr = ((FLASH_BASE_ADDR+FLASH_SECTION_SIZE*sector_num+FLASH_PAGE_SIZE*page_num)); // <20><>ȡ<EFBFBD><C8A1>ǰ Flash <20><>ַ
if(flash_check(sector_num, page_num)) // <20>ж<EFBFBD><D0B6>Ƿ<EFBFBD><C7B7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ı<EFBFBD><C4B1><EFBFBD> <20><>ֹ<EFBFBD><D6B9><EFBFBD><EFBFBD>û<EFBFBD><C3BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD>д<EFBFBD><D0B4>
flash_erase_sector(sector_num, page_num); // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һҳ
uint32 primask = interrupt_global_disable();
//clock_reset(); // <20><>λʱ<CEBB><CAB1>
//clock_set_freq(SYSTEM_CLOCK_120M); // <20><><EFBFBD><EFBFBD>ϵͳƵ<CDB3><C6B5>Ϊ120Mhz
FLASH_Unlock(); // <20><><EFBFBD><EFBFBD> Flash
while(len < FLASH_DATA_BUFFER_SIZE) // <20><><EFBFBD>ݳ<EFBFBD><DDB3><EFBFBD>
{
gFlashStatus = FLASH_ProgramWord(flash_addr, flash_union_buffer[len].uint32_type); // <20><><EFBFBD><EFBFBD> 32bit д<><D0B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
if(gFlashStatus != FLASH_COMPLETE) // <20><><EFBFBD><EFBFBD>ȷ<EFBFBD>ϲ<EFBFBD><CFB2><EFBFBD><EFBFBD>Ƿ<EFBFBD><C7B7>ɹ<EFBFBD>
{
return_state = 1;
break;
}
len++; // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
flash_addr += 4; // <20><>ַ<EFBFBD><D6B7><EFBFBD><EFBFBD>
}
FLASH_Lock(); // <20><><EFBFBD><EFBFBD> Flash
//clock_reset(); // <20><>λʱ<CEBB><CAB1>
//clock_set_freq(system_clock); // <20><><EFBFBD>û<EFBFBD>ԭ<EFBFBD><D4AD><EFBFBD><EFBFBD>ϵͳƵ<CDB3><C6B5>
interrupt_global_enable(primask);
return return_state;
}
//-------------------------------------------------------------------------------------------------------------------
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݻ<EFBFBD><DDBB><EFBFBD><EFBFBD><EFBFBD>
// <20><><EFBFBD><EFBFBD>˵<EFBFBD><CBB5> void
// <20><><EFBFBD>ز<EFBFBD><D8B2><EFBFBD> void
// ʹ<><CAB9>ʾ<EFBFBD><CABE> flash_buffer_clear();
// <20><>ע<EFBFBD><D7A2>Ϣ
//-------------------------------------------------------------------------------------------------------------------
void flash_buffer_clear (void)
{
memset(flash_union_buffer, 0xFF, FLASH_PAGE_SIZE);
}