Python MCPWM_CHANNEL_CFG_Type.channelPulsewidthValueの例

コード例 #1

ファイル: mcpwm.py プロジェクト: kpykc/robovero-python

def run():  
  roboveroConfig()
  
  MCPWM_Init(LPC_MCPWM)
  
  channelsetup = MCPWM_CHANNEL_CFG_Type()
    
  channelsetup.channelType = MCPWM_CHANNEL_EDGE_MODE
  channelsetup.channelPolarity = MCPWM_CHANNEL_PASSIVE_HI
  channelsetup.channelDeadtimeEnable = DISABLE
  channelsetup.channelDeadtimeValue = 0
  channelsetup.channelUpdateEnable = ENABLE
  channelsetup.channelTimercounterValue = 0
  channelsetup.channelPeriodValue = periodValue
  channelsetup.channelPulsewidthValue = 0
  
  MCPWM_ConfigChannel(LPC_MCPWM, 0, channelsetup.ptr)
  
  # Disable DC Mode
  MCPWM_DCMode(LPC_MCPWM, DISABLE, ENABLE, (0))
  
  # Disable AC Mode
  MCPWM_ACMode(LPC_MCPWM, DISABLE)
  
  MCPWM_Start(LPC_MCPWM, ENABLE, DISABLE, DISABLE)
  
  try:
    while True:
      channelsetup.channelPulsewidthValue = getMotorSpeed()
      MCPWM_WriteToShadow(LPC_MCPWM, 0, channelsetup.ptr)
  except:
    MCPWM_Stop(LPC_MCPWM, ENABLE, DISABLE, DISABLE)
    print "you broke it"

コード例 #2

ファイル: MCtest.py プロジェクト: RoboticsatUCD/UAV

  return match_value
  
roboveroConfig()

MCPWM_Init(LPC_MCPWM)

channelsetup = MCPWM_CHANNEL_CFG_Type()
  
channelsetup.channelType = MCPWM_CHANNEL_EDGE_MODE
channelsetup.channelPolarity = MCPWM_CHANNEL_PASSIVE_HI
channelsetup.channelDeadtimeEnable = DISABLE
channelsetup.channelDeadtimeValue = 0
channelsetup.channelUpdateEnable = ENABLE
channelsetup.channelTimercounterValue = 0
channelsetup.channelPeriodValue = periodValue
channelsetup.channelPulsewidthValue = 0

# Disable DC Mode
MCPWM_DCMode(LPC_MCPWM, DISABLE, DISABLE, (0))

# Disable AC Mode
MCPWM_ACMode(LPC_MCPWM, DISABLE)

for i in xrange(0,6):
	MCPWM_ConfigChannel(LPC_MCPWM, i, channelsetup.ptr)

MCPWM_Start(LPC_MCPWM, ENABLE, ENABLE, ENABLE)

try:
  while True:
	chan = int(raw_input("Pick a channel: "))

コード例 #3

ファイル: mcpwm.py プロジェクト: tauvetech/python

roboveroConfig()

MCPWM_Init(LPC_MCPWM)

channelsetup = MCPWM_CHANNEL_CFG_Type()

channelsetup.channelType = MCPWM_CHANNEL_EDGE_MODE
channelsetup.channelPolarity = MCPWM_CHANNEL_PASSIVE_HI
channelsetup.channelDeadtimeEnable = DISABLE
channelsetup.channelDeadtimeValue = 0
channelsetup.channelUpdateEnable = ENABLE
channelsetup.channelTimercounterValue = 0
channelsetup.channelPeriodValue = periodValue
channelsetup.channelPulsewidthValue = 0

MCPWM_ConfigChannel(LPC_MCPWM, 0, channelsetup.ptr)

# Disable DC Mode
MCPWM_DCMode(LPC_MCPWM, DISABLE, ENABLE, (0))

# Disable AC Mode
MCPWM_ACMode(LPC_MCPWM, DISABLE)

MCPWM_Start(LPC_MCPWM, ENABLE, DISABLE, DISABLE)

try:
    while True:
        channelsetup.channelPulsewidthValue = getMotorSpeed()
        MCPWM_WriteToShadow(LPC_MCPWM, 0, channelsetup.ptr)

コード例 #4

ファイル: motor2.py プロジェクト: RoboticsatUCD/UAV

#Channel setup is needed for the proper setup of MCPWM
periodValue = 600000

ENABLE = FunctionalState.ENABLE
DISABLE = FunctionalState.DISABLE

channelsetup = MCPWM_CHANNEL_CFG_Type()
  
channelsetup.channelType = MCPWM_CHANNEL_EDGE_MODE
channelsetup.channelPolarity = MCPWM_CHANNEL_PASSIVE_HI
channelsetup.channelDeadtimeEnable = DISABLE
channelsetup.channelDeadtimeValue = 0
channelsetup.channelUpdateEnable = ENABLE
channelsetup.channelTimercounterValue = 0
channelsetup.channelPeriodValue = periodValue
channelsetup.channelPulsewidthValue = 0

def initPulse(channel, pulse_width):
    initMatch(channel, pulse_width)
    
def initPeriod(period):
    initMatch(0, period)

def initPWM(): #Initializes both the MCPWM and the regular PWM
    MCPWM_DCMode(LPC_MCPWM, DISABLE, DISABLE, (0))
    MCPWM_ACMode(LPC_MCPWM, DISABLE)
    MCPWM_Start(LPC_MCPWM, ENABLE, ENABLE, ENABLE) #Start all three channels, even if we're not using them I guess
    
    initPeriod(20000)
    PWM_ResetCounter(LPC_PWM1)
    PWM_CounterCmd(LPC_PWM1, ENABLE)