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adds support for the atmega328 (#9043)

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Co-authored-by: Ryan <fauxpark@gmail.com>
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itsnoteasy 2020-06-10 22:23:11 +01:00 committed by GitHub
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12 changed files with 31 additions and 12 deletions
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4
docs/adc_driver.md
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@ -22,7 +22,7 @@ Then place this include at the top of your code:
### AVR
|Channel|AT90USB64/128|ATmega16/32U4|ATmega32A|ATmega328P|
|Channel|AT90USB64/128|ATmega16/32U4|ATmega32A|ATmega328/P|
|-------|-------------|-------------|---------|----------|
|0 |`F0` |`F0` |`A0` |`C0` |
|1 |`F1` |`F1` |`A1` |`C1` |
@ -39,7 +39,7 @@ Then place this include at the top of your code:
|12 | |`B5` | | |
|13 | |`B6` | | |
<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>
<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>
### ARM

1
docs/compatible_microcontrollers.md
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@ -14,6 +14,7 @@ Certain MCUs which do not have native USB will use [V-USB](https://www.obdev.at/
* [ATmega32A](https://www.microchip.com/wwwproducts/en/ATmega32A)
* [ATmega328P](https://www.microchip.com/wwwproducts/en/ATmega328P)
* [ATmega328](https://www.microchip.com/wwwproducts/en/ATmega328)
## ARM

2
docs/feature_backlight.md
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@ -89,7 +89,7 @@ BACKLIGHT_DRIVER = pwm
Hardware PWM is supported according to the following table:
|Backlight Pin|AT90USB64/128|ATmega16/32U4|ATmega16/32U2|ATmega32A|ATmega328P|
|Backlight Pin|AT90USB64/128|ATmega16/32U4|ATmega16/32U2|ATmega32A|ATmega328/P|
|-------------|-------------|-------------|-------------|---------|----------|
|`B1` | | | | |Timer 1 |
|`B2` | | | | |Timer 1 |

2
docs/spi_driver.md
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@ -11,7 +11,7 @@ No special setup is required - just connect the `SS`, `SCK`, `MOSI` and `MISO` p
|ATMega16/32U2/4|`B0`|`B1` |`B2` |`B3` |
|AT90USB64/128 |`B0`|`B1` |`B2` |`B3` |
|ATmega32A |`B4`|`B7` |`B5` |`B6` |
|ATmega328P |`B2`|`B5` |`B3` |`B4` |
|ATmega328/P |`B2`|`B5` |`B3` |`B4` |
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.
`SPI_SS_PIN` can be passed to `spi_start()` to refer to `SS`.

4
drivers/avr/analog.c
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@ -38,7 +38,7 @@ int16_t analogRead(uint8_t pin) {
// clang-format on
if (pin >= 12) return 0;
return adc_read(pgm_read_byte(pin_to_mux + pin));
#elif defined(__AVR_AT90USB646__) || defined(__AVR_AT90USB647__) || defined(__AVR_AT90USB1286__) || defined(__AVR_AT90USB1287__) || defined(__AVR_ATmega328P__)
#elif defined(__AVR_AT90USB646__) || defined(__AVR_AT90USB647__) || defined(__AVR_AT90USB1286__) || defined(__AVR_AT90USB1287__) || defined(__AVR_ATmega328P__) || defined(__AVR_ATmega328__)
if (pin >= 8) return 0;
return adc_read(pin);
#else
@ -85,7 +85,7 @@ uint8_t pinToMux(pin_t pin) {
case A6: return _BV(MUX2) | _BV(MUX1); // ADC6
case A7: return _BV(MUX2) | _BV(MUX1) | _BV(MUX0); // ADC7
default: return _BV(MUX4) | _BV(MUX3) | _BV(MUX2) | _BV(MUX1) | _BV(MUX0); // 0V
#elif defined(__AVR_ATmega328P__)
#elif defined(__AVR_ATmega328P__) || defined(__AVR_ATmega328__)
case C0: return 0; // ADC0
case C1: return _BV(MUX0); // ADC1
case C2: return _BV(MUX1); // ADC2

2
drivers/avr/spi_master.c
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@ -28,7 +28,7 @@
# define SPI_SCK_PIN B7
# define SPI_MOSI_PIN B5
# define SPI_MISO_PIN B6
#elif defined(__AVR_ATmega328P__)
#elif defined(__AVR_ATmega328P__) || defined(__AVR_ATmega328__)
# define SPI_SCK_PIN B5
# define SPI_MOSI_PIN B3
# define SPI_MISO_PIN B4

2
drivers/avr/spi_master.h
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@ -25,7 +25,7 @@ typedef int16_t spi_status_t;
# define SPI_SS_PIN B0
#elif defined(__AVR_ATmega32A__)
# define SPI_SS_PIN B4
#elif defined(__AVR_ATmega328P__)
#elif defined(__AVR_ATmega328P__) || defined(__AVR_ATmega328__)
# define SPI_SS_PIN B2
#endif

2
quantum/backlight/backlight_avr.c
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@ -103,7 +103,7 @@
# define COMxx1 COM1A1
# define OCRxx OCR1A
# endif
#elif defined(__AVR_ATmega328P__) && (BACKLIGHT_PIN == B1 || BACKLIGHT_PIN == B2)
#elif (defined(__AVR_ATmega328P__) || defined(__AVR_ATmega328__)) && (BACKLIGHT_PIN == B1 || BACKLIGHT_PIN == B2)
# define HARDWARE_PWM
# define ICRx ICR1
# define TCCRxA TCCR1A

2
quantum/config_common.h
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@ -58,7 +58,7 @@
# define PINC_ADDRESS 0x3
# define PINB_ADDRESS 0x6
# define PINA_ADDRESS 0x9
# elif defined(__AVR_ATmega328P__)
# elif defined(__AVR_ATmega328P__) || defined(__AVR_ATmega328__)
# define ADDRESS_BASE 0x00
# define PINB_ADDRESS 0x3
# define PINC_ADDRESS 0x6

18
quantum/mcu_selection.mk
View file

@ -288,6 +288,24 @@ ifneq (,$(filter $(MCU),atmega328p))
NO_SUSPEND_POWER_DOWN ?= yes
endif
ifneq (,$(filter $(MCU),atmega328))
# MCU name for avrdude
AVRDUDE_MCU = m328
PROTOCOL = VUSB
# Processor frequency.
# This will define a symbol, F_CPU, in all source code files equal to the
# processor frequency in Hz. You can then use this symbol in your source code to
# calculate timings. Do NOT tack on a 'UL' at the end, this will be done
# automatically to create a 32-bit value in your source code.
F_CPU ?= 16000000
# unsupported features for now
NO_UART ?= yes
NO_SUSPEND_POWER_DOWN ?= yes
endif
ifneq (,$(filter $(MCU),attiny85))
PROTOCOL = VUSB

2
tmk_core/common/avr/bootloader.c
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@ -247,7 +247,7 @@ void bootloader_jump(void) {
#else // Assume remaining boards are DFU, even if the flag isn't set
# if !(defined(__AVR_ATmega32A__) || defined(__AVR_ATmega328P__) || defined(__AVR_ATtiny85__)) // no USB - maybe BOOTLOADER_BOOTLOADHID instead though?
# if !(defined(__AVR_ATmega32A__) || defined(__AVR_ATmega328P__) || defined(__AVR_ATmega328__) || defined(__AVR_ATtiny85__)) // no USB - maybe BOOTLOADER_BOOTLOADHID instead though?
UDCON = 1;
USBCON = (1 << FRZCLK); // disable USB
UCSR1B = 0;

2
tmk_core/common/uart.c
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@ -31,7 +31,7 @@
#include "uart.h"
#if defined(__AVR_ATmega168__) || defined(__AVR_ATmega168P__) || defined(__AVR_ATmega328P__)
#if defined(__AVR_ATmega168__) || defined(__AVR_ATmega168P__) || defined(__AVR_ATmega328P__) || defined(__AVR_ATmega328__)
# define UDRn UDR0
# define UBRRnL UBRR0L
# define UCSRnA UCSR0A