def __init__(self,
pru=0,
pru0_fw="arm/pru00.bin",
pru1_fw="arm/pru01.bin"):
if pru == 0:
pru_dataram = pypruss.PRUSS0_PRU0_DATARAM
else:
pru_dataram = pypruss.PRUSS0_PRU1_DATARAM
self._spare = 0
self._ofile = None
self._gpsp = None
logging.debug("[ADC] setting up power control line")
GPIO.setup("P9_18", GPIO.OUT)
logging.debug("[ADC] pruss init")
pypruss.init() # Init the PRU
logging.debug("[ADC] pruss open")
ret = pypruss.open(self.PRU_EVTOUT_0)
logging.debug("[ADC] pruss intc init")
pypruss.pruintc_init() # Init the interrupt controller
logging.debug("[ADC] mapping memory")
self._data = pypruss.map_prumem(pru_dataram)
logging.debug("[ADC] data segment len=%d" % len(self._data))
logging.debug("[ADC] setting tail")
self._tail = 0
struct.pack_into('l', self._data, self.PRU0_OFFSET_DRAM_HEAD,
self._tail)
logging.debug("[ADC] mapping extmem")
self._extmem = pypruss.map_extmem()
logging.debug("[ADC] ext segment len=%d" % len(self._extmem))
logging.debug("[ADC] setup mem")
self.ddrMem = pypruss.ddr_addr()
logging.debug("[ADC] V extram_base = 0x%x" % self.ddrMem)
self._pru01_phys = int(
open("/sys/class/uio/uio1/maps/map1/addr", 'r').read(), 16)
struct.pack_into('L', self._data, self.PRU0_OFFSET_SRAM_HEAD, 0)
struct.pack_into('L', self._data, self.PRU0_OFFSET_DRAM_PBASE,
self._pru01_phys)
struct.pack_into('L', self._data, self.PRU0_OFFSET_SPIN_COUNT, 0)
struct.pack_into('L', self._data, self.PRU0_OFFSET_RES1, 0x00000000)
struct.pack_into('L', self._data, self.PRU0_OFFSET_SPIN_COUNT, 0)
struct.pack_into('L', self._data, self.PRU0_OFFSET_SPIN_COUNT, 0)
struct.pack_into('L', self._data, self.PRU0_OFFSET_RES2, 0xbabedead)
struct.pack_into('L', self._data, self.PRU0_OFFSET_RES3, 0xbeefcafe)
logging.debug("[ADC] loading pru01 code")
pypruss.exec_program(1, pru1_fw)
logging.debug("[ADC] loading pru00 code")
pypruss.exec_program(0, pru0_fw)
def __init__(self, prog):
self.val = {}
pypruss.modprobe()
pypruss.init()
pypruss.open(event_nr)
pypruss.pruintc_init()
pypruss.pru_disable(1)
self.data = pypruss.map_prumem(pypruss.PRUSS0_PRU1_DATARAM)
self.write32(COM_RANGE, 0)
pypruss.exec_program(1, prog)
def setup(this): pypruss.modprobe() # This only has to be called once pr boot pypruss.init() # Init the PRU pypruss.open(0) # Open PRU event 0 which is PRU0_ARM_INTERRUPT pypruss.pruintc_init() # Init the interrupt controller this.buffer = pypruss.map_prumem(pypruss.PRUSS0_PRU0_DATARAM) pypruss.exec_program(0, "./triac.bin") # Load firmware "blinkled.bin" on PRU 0 this.brightness = [0 for x in range(N_BULBS)] this.writeOffset = 0 this.write()
def __init__(self):
pypruss.modprobe(100)
print 'Initializing PRU'
pypruss.init()
print 'successfully initialized!'
if pypruss.open(0):
print 'PRU open failed'
return 1
pypruss.pruintc_init()
self.pruData = pypruss.map_prumem(pypruss.PRUSS0_PRU0_DATARAM)
pypruss.exec_program(0, "./hcsr04.bin")