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USB disconnect tool/stlinkv2.py

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NIIBE Yutaka 2012-07-10 08:50:32 +09:00
parent 99d7e8d396
commit e80c8f1e8e
2 changed files with 17 additions and 4 deletions
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4
ChangeLog
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@ -1,3 +1,7 @@
2012-07-10 Niibe Yutaka <gniibe@fsij.org>
* tool/stlinkv2.py (stlinkv2.usb_disconnect): New.
2012-07-09 Niibe Yutaka <gniibe@fsij.org>
* src/openpgp.c (cmd_pso): For decryption, return error sooner for

17
tool/stlinkv2.py
View File

@ -216,23 +216,27 @@ class stlinkv2(object):
v = self.execute_get("\xf2\x22\x00", 4)
return v[0] + (v[1]<<8) + (v[2]<<16) + (v[3]<<24)
# For FST-01-00 and FST-01: LED on, USB off
# For FST-01-00 and FST-01: LED on, USB connect
def setup_gpio(self):
apb2enr = self.read_memory_u32(0x40021018)
apb2enr = apb2enr | 4 | 8 | 0x1000 # Enable port A, port B, and SPI1
self.write_memory_u32(0x40021018, apb2enr) # RCC->APB2ENR
self.write_memory_u32(0x4002100c, 4|8|0x1000) # RCC->APB2RSTR
self.write_memory_u32(0x4002100c, 0)
self.write_memory_u32(GPIOA+0x0c, 0xfffffbff) # ODR
self.write_memory_u32(GPIOA+0x0c, 0xffffffff) # ODR
self.write_memory_u32(GPIOA+0x04, 0x88888383) # CRH
self.write_memory_u32(GPIOA+0x00, 0xBBB38888) # CRL
self.write_memory_u32(GPIOB+0x0c, 0xffffffff) # ODR
self.write_memory_u32(GPIOB+0x04, 0x88888888) # CRH
self.write_memory_u32(GPIOB+0x00, 0x88888883) # CRL
# For FST-01-00 and FST-01: LED off, USB off
# For FST-01-00 and FST-01: LED on, USB disconnect
def usb_disconnect(self):
self.write_memory_u32(GPIOA+0x0c, 0xfffffbff) # ODR
# For FST-01-00 and FST-01: LED off, USB connect
def finish_gpio(self):
self.write_memory_u32(GPIOA+0x0c, 0xfffffaff) # ODR
self.write_memory_u32(GPIOA+0x0c, 0xfffffeff) # ODR
self.write_memory_u32(GPIOB+0x0c, 0xfffffffe) # ODR
apb2enr = self.read_memory_u32(0x40021018)
apb2enr = apb2enr & ~(4 | 8 | 0x1000)
@ -562,6 +566,8 @@ def main(show_help, erase_only, no_protect, spi_flash_check,
if unlock:
stl.reset_sys()
stl.option_bytes_write(OPTION_BYTES_ADDR,RDP_KEY)
stl.usb_disconnect()
time.sleep(0.100)
stl.finish_gpio()
print "Flash ROM read protection disabled. Reset the board, now."
return 0
@ -579,6 +585,8 @@ def main(show_help, erase_only, no_protect, spi_flash_check,
stl.flash_erase_all()
if erase_only:
stl.usb_disconnect()
time.sleep(0.100)
stl.finish_gpio()
return 0
@ -607,6 +615,7 @@ def main(show_help, erase_only, no_protect, spi_flash_check,
print "Flash ROM read protection enabled. Reset the board to enable protection."
if reset_after_successful_write:
stl.usb_disconnect()
stl.reset_sys()
stl.run()
stl.exit_debug()