コード例 #1
0
def setup(client, services):
    # get a connection to the core
    conn = services.getConnection()
    dev = conn.getDeviceInterfaces().get("Cortex-A9")
    ensureDeviceOpen(dev)
    ensureDeviceStopped(dev)
    writeRegs (dev, [("R13", 0x20030000)])
コード例 #2
0
def setup(client, services):
    # get a connection to the core
    conn = services.getConnection()
    dev = conn.getDeviceInterfaces().get("Cortex-M3")
    ensureDeviceOpen(dev)
    ensureDeviceStopped(dev)

    # The Keil flash algorithms for the STM32 devices change the 
    # wait state for the flash to 0 cycles - this requires SYSCLK to be <24Mhz
    # set the clock mode to use the internal 8MHz clock (HSI)

    # Enable HSI     
    writeToTarget(dev, RCC_CR, intToBytes(0x81))

    # use HSI, set prescalers for AHB,APB to 1
    rccCfg = intFromBytes(readFromTarget(dev, RCC_CFGR, 4))
    #  bits 1:0 = 0 for HSI, 13:11 = 0 for PPRE2=1, 10:8 = 0 for PPRE1 = 1, 7:4 = 0 for HPRE = 1
    rccCfg = rccCfg & ~(0x3FF3)
    writeToTarget(dev, RCC_CFGR, intToBytes(rccCfg))

    # clear and disable all clock interrupts
    writeToTarget(dev, RCC_CIR, intToBytes(0x00FF0000))

    # disable system timer
    writeToTarget(dev, SYST_CSR, intToBytes(0))
コード例 #3
0
    def setup(self):
        # connect to core & stop
        self.conn = self.getConnection()
        coreName = self.getParameter("coreName")
        if coreName is None:
            raise FlashProgrammerRuntimeException, "coreName not specified in flash configuration file"
        self.dev = self.conn.getDeviceInterfaces().get(coreName)
        if self.dev is None:
            raise FlashProgrammerRuntimeException, "Cannot find core %s.  Please check your flash configuration file" % coreName
        self.deviceOpened = ensureDeviceOpen(self.dev)
        ensureDeviceStopped(self.dev)

        # get properties of working memory
        self.ramAddr = int(self.getParameter("ramAddress"), 0)
        self.ramSize = int(self.getParameter("ramSize"), 0)
        nextAddr = self.ramAddr

        # determine code / data layout
        #   code first
        low, high = self.flmReader.getLoadSegmentsAddressRange()
        self.algoAddr = self.ramAddr
        self.algoLoadOffset = self.algoAddr - low
        self.algoSize = high - low
        nextAddr += self.algoSize

        #   working RAM for function execution
        self.execWorkingRam = nextAddr
        nextAddr += getWorkingRAMRequired()

        #   then stack
        self.stackSize = 0x100
        self.stackBottom = nextAddr
        self.stackTop = self.stackBottom + self.stackSize - 4
        nextAddr += self.stackSize

        #   remaining memory is write buffer
        self.writeBufferAddr = nextAddr
        self.writeBufferSize = self.ramAddr - nextAddr + self.ramSize

        self.debug("Loading algorithm to %08x [%08x], working RAM: %08x stack: %08x..%08x, writeBuffer: %08x [%08x]" % (
                   self.algoAddr, self.algoSize,
                   self.execWorkingRam,
                   self.stackBottom, self.stackTop,
                   self.writeBufferAddr, self.writeBufferSize)
                   )

        # load algorithm to target
        loadAllCodeSegmentsToTarget(self.dev, self.flmReader, self.algoAddr)
        self.staticBase = getStaticBase(self.flmReader, self.algoAddr)

        self.pageSize = int(self.getParameter("programPageSize"), 0)

        self.clockFrequency = 0
        if "clockFrequency" in self.getParameters():
            self.clockFrequency = int(self.getParameter("clockFrequency"), 0)