def on_btnOpen_clicked(self):
if self.btnOpen.text() == '打开连接':
try:
if self.cmbDLL.currentIndex() == 0:
self.xlk = xlink.XLink(
jlink.JLink(self.cmbDLL.currentText(), 'Cortex-M0'))
else:
from pyocd.coresight import dap, ap, cortex_m
daplink = self.daplinks[self.cmbDLL.currentIndex() - 1]
daplink.open()
_dp = dap.DebugPort(daplink, None)
_dp.init()
_dp.power_up_debug()
_ap = ap.AHB_AP(_dp, 0)
_ap.init()
self.xlk = xlink.XLink(cortex_m.CortexM(None, _ap))
addr = int(self.linRTT.text(), 16)
for i in range(128):
data = self.xlk.read_mem_U8(addr + 1024 * i,
1024 + 32) # 多读32字节，防止搜索内容在边界处
index = bytes(data).find(b'SEGGER RTT')
if index != -1:
self.RTTAddr = addr + 1024 * i + index
data = self.xlk.read_mem_U8(
self.RTTAddr, ctypes.sizeof(SEGGER_RTT_CB))
rtt_cb = SEGGER_RTT_CB.from_buffer(bytearray(data))
self.aUpAddr = self.RTTAddr + 16 + 4 + 4
self.aDownAddr = self.aUpAddr + ctypes.sizeof(
RingBuffer) * rtt_cb.MaxNumUpBuffers
self.txtMain.append(
f'\n_SEGGER_RTT @ 0x{self.RTTAddr:08X} with {rtt_cb.MaxNumUpBuffers} aUp and {rtt_cb.MaxNumDownBuffers} aDown\n'
)
break
else:
raise Exception('Can not find _SEGGER_RTT')
except Exception as e:
self.txtMain.append(f'\n{str(e)}\n')
else:
self.cmbDLL.setEnabled(False)
self.btnDLL.setEnabled(False)
self.linRTT.setEnabled(False)
self.btnOpen.setText('关闭连接')
else:
self.xlk.close()
self.cmbDLL.setEnabled(True)
self.btnDLL.setEnabled(True)
self.linRTT.setEnabled(True)
self.btnOpen.setText('打开连接')
def connect(self):
try:
if self.cmbDLL.currentIndex() == 0:
self.xlk = xlink.XLink(
jlink.JLink(
self.cmbDLL.currentText(),
device.Devices[self.cmbMCU.currentText()].CHIP_CORE))
else:
from pyocd.coresight import dap, ap, cortex_m
daplink = self.daplinks[self.cmbDLL.currentIndex() - 1]
daplink.open()
_dp = dap.DebugPort(daplink, None)
_dp.init()
_dp.power_up_debug()
_ap = ap.AHB_AP(_dp, 0)
_ap.init()
self.xlk = xlink.XLink(cortex_m.CortexM(None, _ap))
self.dev = device.Devices[self.cmbMCU.currentText()](self.xlk)
except Exception as e:
QMessageBox.critical(self, '连接失败', str(e), QMessageBox.Yes)
return False
return True
def on_btnErase_clicked(self):
self.jlk = jlink.JLink(
self.linDLL.text().encode('gbk'),
device.Devices[self.cmbMCU.currentText()].CHIP_CORE)
self.dev = device.Devices[self.cmbMCU.currentText()](self.jlk)
self.dev.sect_erase(self.addr, self.size)
QtGui.QMessageBox.information(self, u'擦除完成', u' 芯片擦除完成 ',
QtGui.QMessageBox.Yes)
def emptyline(self):
try:
if self.xlk == None:
try:
from pyocd.probe import aggregator
from pyocd.coresight import dap, ap, cortex_m
daplinks = aggregator.DebugProbeAggregator.get_all_connected_probes(
)
except Exception as e:
daplinks = []
if daplinks and os.path.isfile(self.dllpath):
use_dap = yes_no_dialog(
title='J-Link or DAPLink',
text=f'Do you want to use {daplinks[0].product_name}?'
).run()
elif os.path.isfile(self.dllpath):
use_dap = False
elif daplinks:
use_dap = True
else:
raise Exception('No link found')
if use_dap:
daplink = daplinks[0]
daplink.open()
_dp = dap.DebugPort(daplink, None)
_dp.init()
_dp.power_up_debug()
_ap = ap.AHB_AP(_dp, 0)
_ap.init()
self.xlk = xlink.XLink(cortex_m.CortexM(None, _ap))
else:
self.xlk = xlink.XLink(
jlink.JLink(self.dllpath, self.mcucore))
else:
self.xlk.close()
self.xlk.open(self.mcucore)
print(f'CPU core is {self.xlk.read_core_type()}\n')
except Exception as e:
print('connection fail\n')
self.xlk = None
def on_btnRead_clicked(self):
self.jlk = jlink.JLink(
self.linDLL.text().encode('gbk'),
device.Devices[self.cmbMCU.currentText()].CHIP_CORE)
self.dev = device.Devices[self.cmbMCU.currentText()](self.jlk)
self.setEnabled(False)
self.prgInfo.setVisible(True)
self.buff = []
self.threadRead = ThreadAsync(self.dev.chip_read, self.addr, self.size,
self.buff)
self.threadRead.taskFinished.connect(self.on_btnRead_finished)
self.threadRead.start()
def on_btnWrite_clicked(self):
if self.cmbHEX.currentText().endswith('.hex'):
data = parseHex(self.cmbHEX.currentText())
else:
data = open(self.cmbHEX.currentText(), 'rb').read()
self.jlk = jlink.JLink(
self.linDLL.text().encode('gbk'),
device.Devices[self.cmbMCU.currentText()].CHIP_CORE)
self.dev = device.Devices[self.cmbMCU.currentText()](self.jlk)
self.setEnabled(False)
self.prgInfo.setVisible(True)
self.threadWrite = ThreadAsync(
self.dev.chip_write, self.addr,
[ord(x) for x in data]) # 进出文件都是bytes，进出Device都是list
self.threadWrite.taskFinished.connect(self.on_btnWrite_finished)
self.threadWrite.start()
def on_btnWrite_clicked(self):
if self.cmbHEX.currentText().endswith('.hex'):
data = parseHex(self.cmbHEX.currentText())
else:
data = open(self.cmbHEX.currentText(), 'rb').read()
self.jlk = jlink.JLink(
self.linDLL.text(),
device.Devices[self.cmbMCU.currentText()].CHIP_CORE)
self.dev = device.Devices[self.cmbMCU.currentText()](self.jlk)
self.setEnabled(False)
self.prgInfo.setVisible(True)
if len(data) % self.dev.PAGE_SIZE:
data += b'\xFF' * (self.dev.PAGE_SIZE -
len(data) % self.dev.PAGE_SIZE)
self.threadWrite = ThreadAsync(self.dev.chip_write, self.addr, data)
self.threadWrite.taskFinished.connect(self.on_btnWrite_finished)
self.threadWrite.start()
def on_btnRefresh_clicked(self):
try:
self.jlink = jlink.JLink(self.linDLL.text(), 'Cortex-M0')
reg_buf = self.jlink.read_mem_U32(
self.periph._base_address,
(self.periph.registers[-1].address_offset + 4) // 4)
except Exception as e:
print(e)
else:
for i in range(self.tree.topLevelItemCount()):
Reg = self.tree.topLevelItem(i)
value = reg_buf[int(Reg.text(1), 16) // 4]
Reg.setText(2, '%08X' % value)
for j in range(Reg.childCount()):
Field = Reg.child(j)
offset, width, mask = self.get_field_info(Field.text(1))
Field.setText(2, '%u' % ((value >> offset) & mask))