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https://github.com/openstenoproject/qmk
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adds support for the atmega328 (#9043)
Co-authored-by: Ryan <fauxpark@gmail.com>
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12 changed files with 31 additions and 12 deletions
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@ -22,7 +22,7 @@ Then place this include at the top of your code:
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### AVR
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### AVR
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|Channel|AT90USB64/128|ATmega16/32U4|ATmega32A|ATmega328P|
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|Channel|AT90USB64/128|ATmega16/32U4|ATmega32A|ATmega328/P|
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|-------|-------------|-------------|---------|----------|
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|-------|-------------|-------------|---------|----------|
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|0 |`F0` |`F0` |`A0` |`C0` |
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|0 |`F0` |`F0` |`A0` |`C0` |
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|1 |`F1` |`F1` |`A1` |`C1` |
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|1 |`F1` |`F1` |`A1` |`C1` |
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@ -39,7 +39,7 @@ Then place this include at the top of your code:
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|12 | |`B5` | | |
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|12 | |`B5` | | |
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|13 | |`B6` | | |
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|13 | |`B6` | | |
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<sup>\* The ATmega328P possesses two extra ADC channels; however, they are not present on the DIP pinout, and are not shared with GPIO pins. You can use `adc_read()` directly to gain access to these.</sup>
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<sup>\* The ATmega328/P possesses two extra ADC channels; however, they are not present on the DIP pinout, and are not shared with GPIO pins. You can use `adc_read()` directly to gain access to these.</sup>
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### ARM
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### ARM
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@ -14,6 +14,7 @@ Certain MCUs which do not have native USB will use [V-USB](https://www.obdev.at/
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* [ATmega32A](https://www.microchip.com/wwwproducts/en/ATmega32A)
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* [ATmega32A](https://www.microchip.com/wwwproducts/en/ATmega32A)
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* [ATmega328P](https://www.microchip.com/wwwproducts/en/ATmega328P)
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* [ATmega328P](https://www.microchip.com/wwwproducts/en/ATmega328P)
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* [ATmega328](https://www.microchip.com/wwwproducts/en/ATmega328)
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## ARM
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## ARM
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@ -89,7 +89,7 @@ BACKLIGHT_DRIVER = pwm
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Hardware PWM is supported according to the following table:
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Hardware PWM is supported according to the following table:
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|Backlight Pin|AT90USB64/128|ATmega16/32U4|ATmega16/32U2|ATmega32A|ATmega328P|
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|Backlight Pin|AT90USB64/128|ATmega16/32U4|ATmega16/32U2|ATmega32A|ATmega328/P|
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|-------------|-------------|-------------|-------------|---------|----------|
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|-------------|-------------|-------------|-------------|---------|----------|
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|`B1` | | | | |Timer 1 |
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|`B1` | | | | |Timer 1 |
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|`B2` | | | | |Timer 1 |
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|`B2` | | | | |Timer 1 |
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@ -11,7 +11,7 @@ No special setup is required - just connect the `SS`, `SCK`, `MOSI` and `MISO` p
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|ATMega16/32U2/4|`B0`|`B1` |`B2` |`B3` |
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|ATMega16/32U2/4|`B0`|`B1` |`B2` |`B3` |
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|AT90USB64/128 |`B0`|`B1` |`B2` |`B3` |
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|AT90USB64/128 |`B0`|`B1` |`B2` |`B3` |
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|ATmega32A |`B4`|`B7` |`B5` |`B6` |
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|ATmega32A |`B4`|`B7` |`B5` |`B6` |
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|ATmega328P |`B2`|`B5` |`B3` |`B4` |
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|ATmega328/P |`B2`|`B5` |`B3` |`B4` |
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You may use more than one slave select pin, not just the `SS` pin. This is useful when you have multiple devices connected and need to communicate with them individually.
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You may use more than one slave select pin, not just the `SS` pin. This is useful when you have multiple devices connected and need to communicate with them individually.
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`SPI_SS_PIN` can be passed to `spi_start()` to refer to `SS`.
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`SPI_SS_PIN` can be passed to `spi_start()` to refer to `SS`.
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@ -38,7 +38,7 @@ int16_t analogRead(uint8_t pin) {
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// clang-format on
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// clang-format on
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if (pin >= 12) return 0;
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if (pin >= 12) return 0;
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return adc_read(pgm_read_byte(pin_to_mux + pin));
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return adc_read(pgm_read_byte(pin_to_mux + pin));
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#elif defined(__AVR_AT90USB646__) || defined(__AVR_AT90USB647__) || defined(__AVR_AT90USB1286__) || defined(__AVR_AT90USB1287__) || defined(__AVR_ATmega328P__)
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#elif defined(__AVR_AT90USB646__) || defined(__AVR_AT90USB647__) || defined(__AVR_AT90USB1286__) || defined(__AVR_AT90USB1287__) || defined(__AVR_ATmega328P__) || defined(__AVR_ATmega328__)
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if (pin >= 8) return 0;
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if (pin >= 8) return 0;
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return adc_read(pin);
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return adc_read(pin);
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#else
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#else
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@ -85,7 +85,7 @@ uint8_t pinToMux(pin_t pin) {
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case A6: return _BV(MUX2) | _BV(MUX1); // ADC6
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case A6: return _BV(MUX2) | _BV(MUX1); // ADC6
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case A7: return _BV(MUX2) | _BV(MUX1) | _BV(MUX0); // ADC7
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case A7: return _BV(MUX2) | _BV(MUX1) | _BV(MUX0); // ADC7
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default: return _BV(MUX4) | _BV(MUX3) | _BV(MUX2) | _BV(MUX1) | _BV(MUX0); // 0V
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default: return _BV(MUX4) | _BV(MUX3) | _BV(MUX2) | _BV(MUX1) | _BV(MUX0); // 0V
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#elif defined(__AVR_ATmega328P__)
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#elif defined(__AVR_ATmega328P__) || defined(__AVR_ATmega328__)
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case C0: return 0; // ADC0
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case C0: return 0; // ADC0
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case C1: return _BV(MUX0); // ADC1
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case C1: return _BV(MUX0); // ADC1
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case C2: return _BV(MUX1); // ADC2
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case C2: return _BV(MUX1); // ADC2
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@ -28,7 +28,7 @@
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# define SPI_SCK_PIN B7
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# define SPI_SCK_PIN B7
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# define SPI_MOSI_PIN B5
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# define SPI_MOSI_PIN B5
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# define SPI_MISO_PIN B6
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# define SPI_MISO_PIN B6
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#elif defined(__AVR_ATmega328P__)
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#elif defined(__AVR_ATmega328P__) || defined(__AVR_ATmega328__)
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# define SPI_SCK_PIN B5
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# define SPI_SCK_PIN B5
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# define SPI_MOSI_PIN B3
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# define SPI_MOSI_PIN B3
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# define SPI_MISO_PIN B4
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# define SPI_MISO_PIN B4
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@ -25,7 +25,7 @@ typedef int16_t spi_status_t;
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# define SPI_SS_PIN B0
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# define SPI_SS_PIN B0
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#elif defined(__AVR_ATmega32A__)
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#elif defined(__AVR_ATmega32A__)
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# define SPI_SS_PIN B4
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# define SPI_SS_PIN B4
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#elif defined(__AVR_ATmega328P__)
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#elif defined(__AVR_ATmega328P__) || defined(__AVR_ATmega328__)
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# define SPI_SS_PIN B2
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# define SPI_SS_PIN B2
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#endif
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#endif
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@ -103,7 +103,7 @@
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# define COMxx1 COM1A1
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# define COMxx1 COM1A1
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# define OCRxx OCR1A
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# define OCRxx OCR1A
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# endif
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# endif
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#elif defined(__AVR_ATmega328P__) && (BACKLIGHT_PIN == B1 || BACKLIGHT_PIN == B2)
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#elif (defined(__AVR_ATmega328P__) || defined(__AVR_ATmega328__)) && (BACKLIGHT_PIN == B1 || BACKLIGHT_PIN == B2)
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# define HARDWARE_PWM
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# define HARDWARE_PWM
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# define ICRx ICR1
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# define ICRx ICR1
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# define TCCRxA TCCR1A
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# define TCCRxA TCCR1A
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@ -58,7 +58,7 @@
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# define PINC_ADDRESS 0x3
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# define PINC_ADDRESS 0x3
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# define PINB_ADDRESS 0x6
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# define PINB_ADDRESS 0x6
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# define PINA_ADDRESS 0x9
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# define PINA_ADDRESS 0x9
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# elif defined(__AVR_ATmega328P__)
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# elif defined(__AVR_ATmega328P__) || defined(__AVR_ATmega328__)
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# define ADDRESS_BASE 0x00
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# define ADDRESS_BASE 0x00
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# define PINB_ADDRESS 0x3
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# define PINB_ADDRESS 0x3
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# define PINC_ADDRESS 0x6
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# define PINC_ADDRESS 0x6
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@ -288,6 +288,24 @@ ifneq (,$(filter $(MCU),atmega328p))
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NO_SUSPEND_POWER_DOWN ?= yes
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NO_SUSPEND_POWER_DOWN ?= yes
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endif
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endif
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ifneq (,$(filter $(MCU),atmega328))
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# MCU name for avrdude
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AVRDUDE_MCU = m328
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PROTOCOL = VUSB
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# Processor frequency.
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# This will define a symbol, F_CPU, in all source code files equal to the
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# processor frequency in Hz. You can then use this symbol in your source code to
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# calculate timings. Do NOT tack on a 'UL' at the end, this will be done
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# automatically to create a 32-bit value in your source code.
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F_CPU ?= 16000000
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# unsupported features for now
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NO_UART ?= yes
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NO_SUSPEND_POWER_DOWN ?= yes
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endif
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ifneq (,$(filter $(MCU),attiny85))
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ifneq (,$(filter $(MCU),attiny85))
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PROTOCOL = VUSB
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PROTOCOL = VUSB
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@ -247,7 +247,7 @@ void bootloader_jump(void) {
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#else // Assume remaining boards are DFU, even if the flag isn't set
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#else // Assume remaining boards are DFU, even if the flag isn't set
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# if !(defined(__AVR_ATmega32A__) || defined(__AVR_ATmega328P__) || defined(__AVR_ATtiny85__)) // no USB - maybe BOOTLOADER_BOOTLOADHID instead though?
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# if !(defined(__AVR_ATmega32A__) || defined(__AVR_ATmega328P__) || defined(__AVR_ATmega328__) || defined(__AVR_ATtiny85__)) // no USB - maybe BOOTLOADER_BOOTLOADHID instead though?
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UDCON = 1;
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UDCON = 1;
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USBCON = (1 << FRZCLK); // disable USB
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USBCON = (1 << FRZCLK); // disable USB
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UCSR1B = 0;
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UCSR1B = 0;
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@ -31,7 +31,7 @@
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#include "uart.h"
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#include "uart.h"
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#if defined(__AVR_ATmega168__) || defined(__AVR_ATmega168P__) || defined(__AVR_ATmega328P__)
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#if defined(__AVR_ATmega168__) || defined(__AVR_ATmega168P__) || defined(__AVR_ATmega328P__) || defined(__AVR_ATmega328__)
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# define UDRn UDR0
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# define UDRn UDR0
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# define UBRRnL UBRR0L
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# define UBRRnL UBRR0L
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# define UCSRnA UCSR0A
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# define UCSRnA UCSR0A
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