46 lines
2.5 KiB
C
46 lines
2.5 KiB
C
#pragma once
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/*
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* Pin configurations for uBiTXv6
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*
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* Attached devices are:
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* * A rotory encoder for tuning, which has a built-in push button for selection
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* * A Push-to-talk button input
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* * A morse keyer input, using analog voltage divider for paddle support
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* * A SI5351A 3-output frequency generator
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* * A model tjctm24028-spi touch screen LCD, which has:
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* * An ILI9341 display controller
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* * A XPT2046 touch controller
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* * A TX/RX output control pin
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* * A tone output pin to provide audio feedback to the operator when sending CW
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* * Three filter selection output control pins
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* * A CW keydown output
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* * Optionally, a serial CAT interface
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*/
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static const uint8_t PIN_ENC_A = A0; // Tuning encoder interface
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static const uint8_t PIN_ENC_B = A1; // Tuning encoder interface
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static const uint8_t PIN_ENC_PUSH_BUTTON = A2; // Tuning encoder interface
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static const uint8_t PIN_PTT = A3; // Sense it for ssb and as a straight key for cw operation
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//A4 is I2C SDA
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//A5 is I2C SCK
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static const uint8_t PIN_ANALOG_KEYER = A6; // This is used as keyer. The analog port has 4.7K pull up resistor. Details are in the circuit description on www.hfsignals.com
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static const uint8_t PIN_ANALOG_SPARE = A7; // Not used yet
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//13 is SPI CLK
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//12 is SPI MISO
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//11 is SPI MOSI
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static const uint8_t PIN_TFT_CS = 10; // Selects the LCD controller on SPI interface (active low)
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static const uint8_t PIN_TFT_DC = 9; // Tells the LCD controller if it's getting data (D, high) or commands (C, low)
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static const uint8_t PIN_TOUCH_CS = 8; // Selects the touch controller on SPI interface (active low)
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static const uint8_t PIN_TX_RXn = 7; // Pin from the Nano to the radio to switch to TX (HIGH) and RX(LOW)
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static const uint8_t PIN_CW_TONE = 6; // Generates a square wave sidetone while sending the CW
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static const uint8_t PIN_TX_LPF_A = 5; // The 30 MHz LPF is permanently connected in the output of the PA...
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static const uint8_t PIN_TX_LPF_B = 4; // ...Alternatively, either 3.5 MHz, 7 MHz or 14 Mhz LPFs are...
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static const uint8_t PIN_TX_LPF_C = 3; // ...switched inline depending upon the TX frequency
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static const uint8_t PIN_CW_KEY = 2; // Pin goes high during CW keydown to transmit the carrier.
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// ... The PIN_CW_KEY is needed in addition to the TX/RX key as the...
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// ...key can be up within a tx period
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//1 is UART RX
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//0 is UART TX
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