I made a music player by IIS to play WAV music from SD card and it can work
BUT when i reset it a few times some flash error occur like this then Cannot download program unless recharged
THE ERROR like this：
rst:0x10 (RTCWDT_RTC_RESET),boot:0x3f (SPI_FAST_FLASH_BOOT)
configsip: 0, SPIWP:0x10
clk_drv:0x00,q_drv:0x00,d_drv:0x00,cs0_drv:0x00,hd_drv:0x00,wp_drv:0x04
mode:DIO, clock div:2
load:0x3fff0008,len:1073676296
1162 mmu set 00010000, pos 00010000
1162 mmu set 00020000, pos 00020000
1162 mmu set 00030000, pos 00030000
1162 mmu set 00040000, pos 00040000
1162 mmu set 00050000, pos 00050000
1162 mmu set 00060000, pos 00060000
1162 mmu set 00070000, pos 00070000
1162 mmu set 00080000, pos 00080000
1162 mmu set 00090000, pos 00090000
1162 mmu set 000a0000, pos 000a0000
1162 mmu set 000b0000, pos 000b0000
1162 mmu set 000c0000, pos 000c0000
ets Jun 8 2016 00:22:57
rst:0x10 (RTCWDT_RTC_RESET),boot:0x3f (SPI_FAST_FLASH_BOOT)
configsip: 0, SPIWP:0x00
clk_drv:0x00,q_drv:0x00,d_drv:0x00,cs0_drv:0x00,hd_drv:0x00,wp_drv:0x00
mode:DIO, clock div:2
load:0x0ae70000,len:111214600
ets Jun 8 2016 00:22:57
rst:0x10 (RTCWDT_RTC_RESET),boot:0x3f (SPI_FAST_FLASH_BOOT)
configsip: 0, SPIWP:0x10
clk_drv:0x00,q_drv:0x00,d_drv:0x00,cs0_drv:0x00,hd_drv:0x00,wp_drv:0x04
mode:DIO, clock div:2
load:0x3fff0008,len:1073676296
1162 mmu set 00010000, pos 00010000
1162 mmu set 00020000, pos 00020000
1162 mmu set 00030000, pos 00030000
1162 mmu set 00040000, pos 00040000
1162 mmu set 00050000, pos 00050000
1162 mmu set 00060000, pos 00060000
1162 mmu set 00070000, pos 00070000
1162 mmu set 00080000, pos 00080000
1162 mmu set 00090000, pos 00090000
1162 mmu set 000a0000, pos 000a0000
1162 mmu set 000b0000, pos 000b0000
1162 mmu set 000c0000, pos 000c0000
ets Jun 8 2016 00:22:57
rst:0x10 (RTCWDT_RTC_RESET),boot:0x3f (SPI_FAST_FLASH_BOOT)
configsip: 0, SPIWP:0x00
clk_drv:0x00,q_drv:0x00,d_drv:0x00,cs0_drv:0x00,hd_drv:0x00,wp_drv:0x00
mode:DIO, clock div:2
load:0x1eef0008,len:33619976