是启动设置成LDROM 含IAP功能吧??然后把程序烧写到APROM吧?烧写到LDROM说程序太大,
U盘更目录下有个IP.bin程序.插U盘上电后,观看串口输出的信息,无任何输出.
再把启动塞罕至成APROM,重启后,可以看到串口输出
UDetecting USB disk...
Device connected.
Port reset OK.
USB device enabled (Full-speed).
[Device Descriptor]
----------------------------------------------
Length = 18
DescriptorType = 01
USB version = 2.00
Vendor:Product = 1043:8012
MaxPacketSize0 = 64
NumConfigurations = 1
Device version = 1.00
Device Class:SubClass:Protocol = 00:00:00
[Configuration Descriptor]
----------------------------------------------
Length = 9
DescriptorType = 02
wTotalLength = 32
bNumInterfaces = 1
bConfigurationValue = 1
iConfiguration = 0
bmAttributes = 0x80
MaxPower = 50
[Interface Descriptor]
----------------------------------------------
Length = 9
DescriptorType = 04
bInterfaceNumber = 0
bAlternateSetting = 0
bNumEndpoints = 2
bInterfaceClass = 0x08
bInterfaceSubClass = 0x06
bInterfaceProtocol = 0x50
iInterface = 0
[Endoint Descriptor]
----------------------------------------------
Length = 7
DescriptorType = 05
bEndpointAddress = 0x81
bmAttributes = 0x02
wMaxPacketSize = 64
bInterval = 0
bRefresh = 7
bSynchAddress = 5
[Endoint Descriptor]
----------------------------------------------
Length = 7
DescriptorType = 05
bEndpointAddress = 0x02
bmAttributes = 0x02
wMaxPacketSize = 64
bInterval = 0
bRefresh = 0
bSynchAddress = 0
USB Mass Storage device found.
Max lun is 0
******* Read lun 0 ******
INQUIRY...
INQUIRY command success.
TEST_UNIT_READY...
CSW status error.
REQUEST_SENSE...
REQUEST_SENSE command success.
READ CAPACITY ==>
USB disk found: size=2046 MB, uTotalSectorN=4190208
g_disk_lun = 0
rc=0
Firmware AP.BIN file not found.
Data file data.bin not found.
Will branch to user application...
In Hard Fault Handler
r0 = 0x18
r1 = 0x20026
r2 = 0x2e
r3 = 0xa
r12 = 0x0
lr = 0x201
pc = 0x790
psr = 0x21000000
最终都没有更新,是什么原因?????
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