@ -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>
@ -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`.
#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?