Python dapSWJClock Examples

Example #1

File: cmsis_dap.py Project: HAPI-Tech-Solution/pyOCD

 def init(self, frequency = 1000000):
     # connect to DAP, check for SWD or JTAG
     self.mode = dapConnect(self.interface)
     # set clock frequency
     dapSWJClock(self.interface, frequency)
     # configure transfer
     dapTransferConfigure(self.interface)
     if (self.mode == DAP_MODE_SWD):
         # configure swd protocol
         dapSWDConfigure(self.interface)
         # switch from jtag to swd
         JTAG2SWD(self.interface)
         # read ID code
         logging.info('IDCODE: 0x%X', self.readDP(DP_REG['IDCODE']))
         # clear errors
         dapWriteAbort(self.interface, 0x1e);
     elif (self.mode == DAP_MODE_JTAG):
         # configure jtag protocol
         dapJTAGConfigure(self.interface, 4)
         # Test logic reset, run test idle
         dapSWJSequence(self.interface, [0x1F])
         # read ID code
         logging.info('IDCODE: 0x%X', dapJTAGIDCode(self.interface))
         # clear errors
         self.writeDP(DP_REG['CTRL_STAT'], CTRLSTAT_STICKYERR | CTRLSTAT_STICKYCMP | CTRLSTAT_STICKYORUN)
     return

Example #2

 def init(self, frequency=1000000):
     # connect to DAP, check for SWD or JTAG
     self.mode = dapConnect(self.interface)
     # set clock frequency
     dapSWJClock(self.interface, frequency)
     # configure transfer
     dapTransferConfigure(self.interface)
     if (self.mode == DAP_MODE_SWD):
         # configure swd protocol
         dapSWDConfigure(self.interface)
         # switch from jtag to swd
         JTAG2SWD(self.interface)
         # read ID code
         logging.info('IDCODE: 0x%X', self.readDP(DP_REG['IDCODE']))
         # clear errors
         dapWriteAbort(self.interface, 0x1e)
     elif (self.mode == DAP_MODE_JTAG):
         # configure jtag protocol
         dapJTAGConfigure(self.interface, 4)
         # Test logic reset, run test idle
         dapSWJSequence(self.interface, [0x1F])
         # read ID code
         logging.info('IDCODE: 0x%X', dapJTAGIDCode(self.interface))
         # clear errors
         self.writeDP(
             DP_REG['CTRL_STAT'],
             CTRLSTAT_STICKYERR | CTRLSTAT_STICKYCMP | CTRLSTAT_STICKYORUN)
     return

Example #3

 def init(self, frequency=1000000):
     # init dap IO
     dapConnect(self.interface)
     # set clock frequency
     dapSWJClock(self.interface, frequency)
     # configure transfer
     dapTransferConfigure(self.interface)
     # configure swd protocol
     dapSWDConfigure(self.interface)
     # switch from jtag to swd
     JTAG2SWD(self.interface)
     # read ID code
     logging.info('IDCODE: 0x%X', self.readDP(DP_REG['IDCODE']))
     # clear abort err
     dapWriteAbort(self.interface, 0x1e)
     return

Example #4

File: cmsis_dap.py Project: ECNU3D/pyOCD

 def init(self):
     # init dap IO
     dapConnect(self.interface)
     # set clock freq at 1000000Hz
     dapSWJClock(self.interface)
     # configure transfer
     dapTransferConfigure(self.interface)
     # configure swd protocol
     dapSWDConfigure(self.interface)
     # switch from jtag to swd
     JTAG2SWD(self.interface)
     # read ID code
     logging.info('IDCODE: 0x%X', self.readDP(DP_REG['IDCODE']))
     # clear abort err
     dapWriteAbort(self.interface, 0x1e);
     return

Example #5

File: cmsis_dap.py Project: HAPI-Tech-Solution/pyOCD

 def setClock(self, frequency):
     dapSWJClock(self.interface, frequency)

Example #6

 def setClock(self, frequency):
     dapSWJClock(self.interface, frequency)