"""AM335x pin names""" import Adafruit_BBIO.GPIO as GPIO class Pin: """Pins dont exist in CPython so...lets make our own!""" 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): """Initialize the Pin""" if mode is not 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 is not 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): """Set or return the Pin Value""" if val is not 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") return None 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 - (silkscreen: USB1 V_EN) 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_D1 - 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 ########################################## # specials # analog input AIN0 = Pin("AIN0") AIN1 = Pin("AIN1") AIN2 = Pin("AIN2") AIN3 = Pin("AIN3") AIN4 = Pin("AIN4") AIN5 = Pin("AIN5") AIN6 = Pin("AIN6") AIN7 = Pin("AIN7") # PWM EHRPWM0A = Pin("EHRPWM0A") EHRPWM0B = Pin("EHRPWM0B") EHRPWM1A = Pin("EHRPWM1A") EHRPWM1B = Pin("EHRPWM1B") EHRPWM2A = Pin("EHRPWM2A") EHRPWM2B = Pin("EHRPWM2B") ECAPPWM0 = Pin("ECAPPWM0") ECAPPWM2 = Pin("ECAPPWM2") TIMER4 = Pin("TIMER4") TIMER5 = Pin("TIMER5") TIMER6 = Pin("TIMER6") TIMER7 = Pin("TIMER7") # I2C1 I2C1_SDA = Pin("I2C1_SDA") I2C1_SCL = Pin("I2C1_SCL") # I2C2 I2C2_SDA = Pin("I2C2_SDA") I2C2_SCL = Pin("I2C2_SCL") # SPI0 SPI0_CS0 = Pin("SPI0_CS0") SPI0_SCLK = Pin("SPI0_SCLK") SPI0_D1 = Pin("SPI0_D1") SPI0_D0 = Pin("SPI0_D0") # SPI1 SPI1_CS0 = Pin("SPI1_CS0") SPI1_CS1 = Pin("SPI1_CS1") SPI1_SCLK = Pin("SPI1_SCLK") SPI1_D1 = Pin("SPI1_D1") SPI1_D0 = Pin("SPI1_D0") # UART0 UART0_TXD = Pin("UART0_TXD") UART0_RXD = Pin("UART0_RXD") # UART1 UART1_TXD = Pin("UART1_TXD") UART1_RXD = Pin("UART1_RXD") UART1_RTSn = Pin("UART1_RTSn") UART1_CTSn = Pin("UART1_CTSn") # UART2 UART2_TXD = Pin("UART2_TXD") UART2_RXD = Pin("UART2_RXD") # UART3 UART3_TXD = Pin("UART3_TXD") UART3_RXD = Pin("UART3_RXD") UART3_RTSn = Pin("UART3_RTSn") UART3_CTSn = Pin("UART3_CTSn") # UART4 UART4_TXD = Pin("UART4_TXD") UART4_RXD = Pin("UART4_RXD") UART4_RTSn = Pin("UART4_RTSn") UART4_CTSn = Pin("UART4_CTSn") # UART5 UART5_TXD = Pin("UART5_TXD") UART5_RXD = Pin("UART5_RXD") UART5_RTSn = Pin("UART5_RTSn") UART5_CTSn = Pin("UART5_CTSn") # ordered as spiId, sckId, mosiId, misoId spiPorts = ( (0, SPI0_SCLK, SPI0_D1, SPI0_D0), (1, SPI1_SCLK, SPI1_D1, SPI1_D0), ) # ordered as uartId, txId, rxId uartPorts = ( # (0, UART0_TXD, UART0_RXD), # (1, UART1_TXD, UART1_RXD), # (2, UART2_TXD, UART2_RXD), # (4, UART4_TXD, UART4_RXD), # (5, UART5_TXD, UART5_RXD), ) # ordered as i2cId, SCL, SDA i2cPorts = ( (1, I2C1_SCL, I2C1_SDA), (2, I2C2_SCL, I2C2_SDA), ) PWM1 = P1_36 PWM2 = P1_33 PWM3 = P2_1 PWM4 = P2_3 pwmOuts = (((0, 0), PWM1), ((0, 1), PWM2), ((2, 0), PWM3), ((4, 1), PWM4))