import Adafruit_BBIO.GPIO as GPIO # Pins dont exist in CPython so...lets make our own! class Pin: IN = 0 OUT = 1 LOW = 0 HIGH = 1 PULL_NONE = 0 PULL_UP = 1 PULL_DOWN = 2 id = None _value = LOW _mode = IN def __init__(self, pin_name): self.id = pin_name def __repr__(self): return str(self.id) def __eq__(self, other): return self.id == other def init(self, mode=IN, pull=None): if mode != None: if mode == self.IN: self._mode = self.IN GPIO.setup(self.id, GPIO.IN) elif mode == self.OUT: self._mode = self.OUT GPIO.setup(self.id, GPIO.OUT) else: raise RuntimeError("Invalid mode for pin: %s" % self.id) if pull != None: if self._mode != self.IN: raise RuntimeError("Cannot set pull resistor on output") if pull == self.PULL_UP: GPIO.setup(self.id, GPIO.IN, pull_up_down=GPIO.PUD_UP) elif pull == self.PULL_DOWN: GPIO.setup(self.id, GPIO.IN, pull_up_down=GPIO.PUD_DOWN) else: raise RuntimeError("Invalid pull for pin: %s" % self.id) def value(self, val=None): if val != None: if val == self.LOW: self._value = val GPIO.output(self.id, val) elif val == self.HIGH: self._value = val GPIO.output(self.id, val) else: raise RuntimeError("Invalid value for pin") else: return GPIO.input(self.id) # names in comments copied from # https://github.com/adafruit/adafruit-beaglebone-io-python/blob/master/source/common.c#L73 # PocketBeagle # P1_1 = SYS VIN # VIN_AC P1_2 = Pin('P1_2') # GPIO2_23 - GPIO_87 P1_3 = Pin('P1_3') # USB1_VBUS_OUT P1_4 = Pin('P1_4') # GPIO2_25 - GPIO_89 # P1_5 = USB VBUS # USB1_VBUS_IN P1_6 = Pin('P1_6') # SPI0_CS0 - GPIO_5 # P1_7 = USB VIN # VIN-USB P1_8 = Pin('P1_8') # SPI0_SCLK - GPIO_2 # P1_9 = USB1 DN # USB1-DN P1_10 = Pin('P1_10') # SPI0_D0 - GPIO_3 # P1_11 = USB1 DP # USB1-DP P1_12 = Pin('P1_12') # SPI0_D1 - GPIO_4 # P1_13 = USB1 ID # USB1-ID # P1_14 = SYS 3.3V # VOUT-3.3V # P1_15 = SYS GND # GND # P1_16 = SYS GND # GND # P1_17 = AIN 1.8V REF- # VREFN # P1_18 = AIN 1.8V REF+ # VREFP P1_19 = Pin('P1_19') # AIN0 P1_20 = Pin('P1_20') # GPIO0_20 - GPIO_20 P1_21 = Pin('P1_21') # AIN1 # P1_22 = SYS GND # GND P1_23 = Pin('P1_23') # AIN2 # P1_22 = SYS VOUT # VOUT-5V P1_25 = Pin('P1_25') # AIN3 P1_26 = Pin('P1_26') # I2C2_SDA - GPIO_12 P1_27 = Pin('P1_27') # AIN4 P1_28 = Pin('P1_28') # I2C2_SCL - GPIO_13 P1_29 = Pin('P1_29') # GPIO3_21 - GPIO_117 P1_30 = Pin('P1_30') # UART0_TXD - GPIO_43 P1_31 = Pin('P1_31') # GPIO3_18 - GPIO_114 P1_32 = Pin('P1_32') # UART0_RXD - GPIO_42 P1_33 = Pin('P1_33') # GPIO3_15 - GPIO_111 P1_34 = Pin('P1_34') # GPIO0_26 - GPIO_26 P1_35 = Pin('P1_35') # GPIO2_24 - GPIO_88 P1_36 = Pin('P1_36') # EHRPWM0A - GPIO_110 P2_1 = Pin('P2_1') # EHRPWM1A - GPIO_50 P2_2 = Pin('P2_2') # GPIO1_27 - GPIO_59 P2_3 = Pin('P2_3') # GPIO0_23 - GPIO_23 P2_4 = Pin('P2_4') # GPIO1_26 - GPIO_58 P2_5 = Pin('P2_5') # UART4_RXD - GPIO_30 P2_6 = Pin('P2_6') # GPIO1_25 - GPIO_57 P2_7 = Pin('P2_7') # UART4_TXD - GPIO_31 P2_8 = Pin('P2_8') # GPIO1_28 - GPIO_60 P2_9 = Pin('P2_9') # I2C1_SCL - GPIO_15 P2_10 = Pin('P2_10') # GPIO1_20 - GPIO_52 P2_11 = Pin('P2_11') # I2C1_SDA - GPIO_14 # P2_12 = SYS PWR BTN # POWER_BUTTON # P2_13 = SYS VOUT # VOUT-5V # P2_14 = BAT VIN # BAT-VIN # P2_15 = SYS GND # GND # P2_16 = BAT TEMP # BAT-TEMP P2_17 = Pin('P2_17') # GPIO2_1 - GPIO_65 P2_18 = Pin('P2_18') # GPIO1_15 - GPIO_47 P2_19 = Pin('P2_19') # GPIO0_27 - GPIO_27 P2_20 = Pin('P2_20') # GPIO2_0 - GPIO_64 # P2_21 = SYS GND # GND P2_22 = Pin('P2_22') # GPIO1_14 - GPIO_46 # P2_23 = SYS 3.3V # VOUT-3.3V P2_24 = Pin('P2_24') # GPIO1_12 - GPIO_44 P2_25 = Pin('P2_25') # SPI1_CS0 - GPIO_41 # P2_26 = SYS NRST # RESET# P2_27 = Pin('P2_27') # SPI1_D0 - GPIO_40 P2_28 = Pin('P2_28') # GPIO3_20 - GPIO_116 P2_29 = Pin('P2_29') # SPI1_SCLK - GPIO_7 P2_30 = Pin('P2_30') # GPIO3_17 - GPIO_113 P2_31 = Pin('P2_31') # SPI1_CS1 - GPIO_19 P2_32 = Pin('P2_32') # GPIO3_16 - GPIO_112 P2_33 = Pin('P2_33') # GPIO1_13 - GPIO_45 P2_34 = Pin('P2_34') # GPIO3_19 - GPIO_115 P2_35 = Pin('P2_35') # GPIO2_22 - GPIO_86 P2_36 = Pin('P2_36') # AIN7 # BeagleBone Black # P8_1 = DGND # DGND - GPIO_0 # P8_2 = DGND # DGND - GPIO_0 P8_3 = Pin('P8_3') # GPIO1_6 - GPIO_38 P8_4 = Pin('P8_4') # GPIO1_7 - GPIO_39 P8_5 = Pin('P8_5') # GPIO1_2 - GPIO_34 P8_6 = Pin('P8_6') # GPIO1_3 - GPIO_35 P8_7 = Pin('P8_7') # TIMER4 - GPIO_66 P8_8 = Pin('P8_8') # TIMER7 - GPIO_67 P8_9 = Pin('P8_9') # TIMER5 - GPIO_69 P8_10 = Pin('P8_10') # TIMER6 - GPIO_68 P8_11 = Pin('P8_11') # GPIO1_13 - GPIO_45 P8_12 = Pin('P8_12') # GPIO1_12 - GPIO_44 P8_13 = Pin('P8_13') # EHRPWM2B - GPIO_23 P8_14 = Pin('P8_14') # GPIO0_26 - GPIO_26 P8_15 = Pin('P8_15') # GPIO1_15 - GPIO_47 P8_16 = Pin('P8_16') # GPIO1_14 - GPIO_46 P8_17 = Pin('P8_17') # GPIO0_27 - GPIO_27 P8_18 = Pin('P8_18') # GPIO2_1 - GPIO_65 P8_19 = Pin('P8_19') # EHRPWM2A - GPIO_22 P8_20 = Pin('P8_20') # GPIO1_31 - GPIO_63 P8_21 = Pin('P8_21') # GPIO1_30 - GPIO_62 P8_22 = Pin('P8_22') # GPIO1_5 - GPIO_37 P8_23 = Pin('P8_23') # GPIO1_4 - GPIO_36 P8_24 = Pin('P8_24') # GPIO1_1 - GPIO_33 P8_25 = Pin('P8_25') # GPIO1_0 - GPIO_32 P8_26 = Pin('P8_26') # GPIO1_29 - GPIO_61 P8_27 = Pin('P8_27') # GPIO2_22 - GPIO_86 P8_28 = Pin('P8_28') # GPIO2_24 - GPIO_88 P8_29 = Pin('P8_29') # GPIO2_23 - GPIO_87 P8_30 = Pin('P8_30') # GPIO2_25 - GPIO_89 P8_31 = Pin('P8_31') # UART5_CTSN - GPIO_10 P8_32 = Pin('P8_32') # UART5_RTSN - GPIO_11 P8_33 = Pin('P8_33') # UART4_RTSN - GPIO_9 P8_34 = Pin('P8_34') # UART3_RTSN - GPIO_81 P8_35 = Pin('P8_35') # UART4_CTSN - GPIO_8 P8_36 = Pin('P8_36') # UART3_CTSN - GPIO_80 P8_37 = Pin('P8_37') # UART5_TXD - GPIO_78 P8_38 = Pin('P8_38') # UART5_RXD - GPIO_79 P8_39 = Pin('P8_39') # GPIO2_12 - GPIO_76 P8_40 = Pin('P8_40') # GPIO2_13 - GPIO_77 P8_41 = Pin('P8_41') # GPIO2_10 - GPIO_74 P8_42 = Pin('P8_42') # GPIO2_11 - GPIO_75 P8_43 = Pin('P8_43') # GPIO2_8 - GPIO_72 P8_44 = Pin('P8_44') # GPIO2_9 - GPIO_73 P8_45 = Pin('P8_45') # GPIO2_6 - GPIO_70 P8_46 = Pin('P8_46') # GPIO2_7 - GPIO_71 # P9_1 = DGND # DGND - GPIO_0 # P9_2 = DGND # DGND - GPIO_0 # P9_3 = VDD_3V3 # VDD_3V3 - GPIO_0 # P9_4 = VDD_3V3 # VDD_3V3 - GPIO_0 # P9_5 = VDD_5V # VDD_5V - GPIO_0 # P9_6 = VDD_5V # VDD_5V - GPIO_0 # P9_7 = SYS_5V # SYS_5V - GPIO_0 # P9_8 = SYS_5V # SYS_5V - GPIO_0 # P9_9 = PWR_BUT # PWR_BUT - GPIO_0 # P9_10 = SYS_RESETN # SYS_RESETn - GPIO_0 P9_11 = Pin('P9_11') # UART4_RXD - GPIO_30 P9_12 = Pin('P9_12') # GPIO1_28 - GPIO_60 P9_13 = Pin('P9_13') # UART4_TXD - GPIO_31 P9_14 = Pin('P9_14') # EHRPWM1A - GPIO_50 P9_15 = Pin('P9_15') # GPIO1_16 - GPIO_48 P9_16 = Pin('P9_16') # EHRPWM1B - GPIO_51 P9_17 = Pin('P9_17') # I2C1_SCL - GPIO_5 P9_18 = Pin('P9_18') # I2C1_SDA - GPIO_4 P9_19 = Pin('P9_19') # I2C2_SCL - GPIO_13 P9_20 = Pin('P9_20') # I2C2_SDA - GPIO_12 P9_21 = Pin('P9_21') # UART2_TXD - GPIO_3 P9_22 = Pin('P9_22') # UART2_RXD - GPIO_2 P9_23 = Pin('P9_23') # GPIO1_17 - GPIO_49 P9_24 = Pin('P9_24') # UART1_TXD - GPIO_15 P9_25 = Pin('P9_25') # GPIO3_21 - GPIO_117 P9_26 = Pin('P9_26') # UART1_RXD - GPIO_14 P9_27 = Pin('P9_27') # GPIO3_19 - GPIO_115 P9_28 = Pin('P9_28') # SPI1_CS0 - GPIO_113 P9_29 = Pin('P9_29') # SPI1_D0 - GPIO_111 P9_30 = Pin('P9_30') # SPI1_D1 - GPIO_112 P9_31 = Pin('P9_31') # SPI1_SCLK - GPIO_110 # P9_32 = VDD_ADC # VDD_ADC - GPIO_0 # P9_33 = AIN4 # AIN4 - GPIO_0 # P9_34 = GNDA_ADC # GNDA_ADC - GPIO_0 # P9_35 = AIN6 # AIN6 - GPIO_0 # P9_36 = AIN5 # AIN5 - GPIO_0 # P9_37 = AIN2 # AIN2 - GPIO_0 # P9_38 = AIN3 # AIN3 - GPIO_0 # P9_39 = AIN0 # AIN0 - GPIO_0 # P9_40 = AIN1 # AIN1 - GPIO_0 P9_41 = Pin('P9_41') # CLKOUT2 - GPIO_20 P9_42 = Pin('P9_42') # GPIO0_7 - GPIO_7 # P9_43 = DGND # DGND - GPIO_0 # P9_44 = DGND # DGND - GPIO_0 # P9_45 = DGND # DGND - GPIO_0 # P9_46 = DGND # DGND - GPIO_0 # common to all beagles USR0 = Pin('USR0') # USR0 - GPIO_53 USR1 = Pin('USR1') # USR1 - GPIO_54 USR2 = Pin('USR2') # USR2 - GPIO_55 USR3 = Pin('USR3') # USR3 - GPIO_56 # all special functions (SPI / I2C) are moved to # src/adafruit_blinka/board/beaglebone_black.py # # ordered as spiId, sckId, mosiId, misoId # spiPorts = ( # (0, SCLK, MOSI, MISO), # (1, SCLK_1, MOSI_1, MISO_1) # ) # # # ordered as uartId, txId, rxId # uartPorts = ( # (), # ) # # i2cPorts = ( # (2, SCL, SDA), # )