arduino-hal: Add support for Arduino Mega

arduino-hal/Cargo.toml

@@ -12,6 +12,7 @@ board-selected = []
 mcu-atmega=[]
 arduino-uno = ["mcu-atmega", "atmega-hal/atmega328p", "board-selected"]
 arduino-leonardo = ["mcu-atmega", "atmega-hal/atmega32u4", "board-selected"]
+arduino-mega = ["mcu-atmega", "atmega-hal/atmega2560", "board-selected"]
 
 [dependencies]
 cfg-if = "1"

arduino-hal/src/clock.rs

@@ -1,8 +1,10 @@
 pub use avr_hal_generic::clock::*;
 
 pub(crate) mod default {
-    #[cfg(feature = "arduino-uno")]
-    pub type DefaultClock = avr_hal_generic::clock::MHz16;
-    #[cfg(feature = "arduino-leonardo")]
+    #[cfg(any(
+        feature = "arduino-uno",
+        feature = "arduino-leonardo",
+        feature = "arduino-mega"
+    ))]
     pub type DefaultClock = avr_hal_generic::clock::MHz16;
 }

arduino-hal/src/lib.rs

@@ -7,6 +7,8 @@ compile_error!(
     Please select one of the following
 
     * arduino-uno
+    * arduino-leonardo
+    * arduino-mega
     "
 );
 
@@ -63,10 +65,14 @@ pub mod prelude {
 #[cfg(feature = "board-selected")]
 pub struct Peripherals {
     pub pins: Pins,
-    #[cfg(feature = "arduino-uno")]
+    #[cfg(any(feature = "arduino-uno", feature = "arduino-mega"))]
     pub USART0: hal::RawPeripheral<pac::USART0>,
-    #[cfg(feature = "arduino-leonardo")]
+    #[cfg(any(feature = "arduino-leonardo", feature = "arduino-mega"))]
     pub USART1: hal::RawPeripheral<pac::USART1>,
+    #[cfg(feature = "arduino-mega")]
+    pub USART2: hal::RawPeripheral<pac::USART2>,
+    #[cfg(feature = "arduino-mega")]
+    pub USART3: hal::RawPeripheral<pac::USART3>,
 }
 
 #[cfg(feature = "board-selected")]
@@ -76,10 +82,14 @@ impl Peripherals {
             #[cfg(feature = "atmega-hal")]
             pins: Pins::with_mcu_pins(dp.pins),
 
-            #[cfg(feature = "arduino-uno")]
+            #[cfg(any(feature = "arduino-uno", feature = "arduino-mega"))]
             USART0: dp.USART0,
-            #[cfg(feature = "arduino-leonardo")]
+            #[cfg(any(feature = "arduino-leonardo", feature = "arduino-mega"))]
             USART1: dp.USART1,
+            #[cfg(feature = "arduino-mega")]
+            USART2: dp.USART2,
+            #[cfg(feature = "arduino-mega")]
+            USART3: dp.USART3,
         }
     }
 

arduino-hal/src/port/mega.rs

@@ -0,0 +1,333 @@
+pub use atmega_hal::port::mode;
+pub use atmega_hal::port::Pin;
+
+avr_hal_generic::renamed_pins! {
+    type Pin = Pin;
+
+    pub struct Pins from atmega_hal::Pins {
+        /// `D0` / `RX0`
+        ///
+        /// * `RXD0` (USART0)
+        /// * `PCINT8`: External Interrupt (Pin Change)
+        pub d0: atmega_hal::port::PE0 = pe0,
+        /// `D1` / `TX0`
+        ///
+        /// * `TXD0` (USART0)
+        pub d1: atmega_hal::port::PE1 = pe1,
+        /// `D2`
+        ///
+        /// * **PWM**: [atmega2560_hal::timer::Timer3Pwm]
+        /// * `OC3B`: Output Compare Channel `B` for Timer/Counter3
+        /// * `INT4`: External Interrupt
+        pub d2: atmega_hal::port::PE4 = pe4,
+        /// `D3`
+        ///
+        /// * **PWM**: [atmega2560_hal::timer::Timer3Pwm]
+        /// * `OC3C`: Output Compare Channel `C` for Timer/Counter3
+        /// * `INT5`: External Interrupt
+        pub d3: atmega_hal::port::PE5 = pe5,
+        /// `D4`
+        ///
+        /// * **PWM**: [atmega2560_hal::timer::Timer0Pwm]
+        /// * `OC0B`: Output Compare Channel `B` for Timer/Counter0
+        pub d4: atmega_hal::port::PG5 = pg5,
+        /// `D5`
+        ///
+        /// * **PWM**: [atmega2560_hal::timer::Timer3Pwm]
+        /// * `OC3A`: Output Compare Channel `A` for Timer/Counter3
+        /// * `AIN1`: Analog Comparator Negative Input (Not Implemented)
+        pub d5: atmega_hal::port::PE3 = pe3,
+        /// `D6`
+        ///
+        /// * **PWM**: [atmega2560_hal::timer::Timer4Pwm]
+        /// * `OC4A`: Output Compare Channel `A` for Timer/Counter4
+        pub d6: atmega_hal::port::PH3 = ph3,
+        /// `D7`
+        ///
+        /// * **PWM**: [atmega2560_hal::timer::Timer4Pwm]
+        /// * `OC4B`: Output Compare Channel `B` for Timer/Counter4
+        pub d7: atmega_hal::port::PH4 = ph4,
+        /// `D8`
+        ///
+        /// * **PWM**: [atmega2560_hal::timer::Timer4Pwm]
+        /// * `OC4C`: Output Compare Channel `C` for Timer/Counter4
+        pub d8: atmega_hal::port::PH5 = ph5,
+        /// `D9`
+        ///
+        /// * **PWM**: [atmega2560_hal::timer::Timer2Pwm]
+        /// * `OC2B`: Output Compare Channel `B` for Timer/Counter2
+        pub d9: atmega_hal::port::PH6 = ph6,
+        /// `D10`
+        ///
+        /// * **PWM**: [atmega2560_hal::timer::Timer2Pwm]
+        /// * `OC2B`: Output Compare Channel `B` for Timer/Counter2
+        /// * `PCINT4`: External Interrupt (Pin Change)
+        pub d10: atmega_hal::port::PB4 = pb4,
+        /// `D11`
+        ///
+        /// * **PWM**: [atmega2560_hal::timer::Timer1Pwm]
+        /// * `OC1A`: Output Compare Channel `A` for Timer/Counter1
+        /// * `PCINT5`: External Interrupt (Pin Change)
+        pub d11: atmega_hal::port::PB5 = pb5,
+        /// `D12`
+        ///
+        /// * **PWM**: [atmega2560_hal::timer::Timer1Pwm]
+        /// * `OC1B`: Output Compare Channel `B` for Timer/Counter1
+        /// * `PCINT6`: External Interrupt (Pin Change)
+        pub d12: atmega_hal::port::PB6 = pb6,
+        /// `D13`
+        ///
+        /// * Onboard LED
+        /// * **PWM**: [atmega2560_hal::timer::Timer0Pwm]
+        /// * **PWM**: [atmega2560_hal::timer::Timer1Pwm]
+        /// * `OC0A`: Output Compare Channel `A` for Timer/Counter0
+        /// * `OC1C`: Output Compare Channel `C` for Timer/Counter1
+        /// * `PCINT7`: External Interrupt (Pin Change)
+        pub d13: atmega_hal::port::PB7 = pb7,
+        /// `D14` / `TX3`
+        ///
+        /// * `TXD3` (USART3)
+        /// * `PCINT10`: External Interrupt (Pin Change)
+        pub d14: atmega_hal::port::PJ1 = pj1,
+        /// `D15` / `RX3`
+        ///
+        /// * `RXD3` (USART3)
+        /// * `PCINT9`: External Interrupt (Pin Change)
+        pub d15: atmega_hal::port::PJ0 = pj0,
+        /// `D16` / `TX2`
+        ///
+        /// * `TXD2` (USART2)
+        pub d16: atmega_hal::port::PH1 = ph1,
+        /// `D17` / `RX2`
+        ///
+        /// * `RXD2` (USART2)
+        pub d17: atmega_hal::port::PH0 = ph0,
+        /// `D18` / `TX1`
+        ///
+        /// * `TXD1` (USART1)
+        /// * `INT3`: External Interrupt
+        pub d18: atmega_hal::port::PD3 = pd3,
+        /// `D19` / `RX1`
+        ///
+        /// * `RXD1` (USART1)
+        /// * `INT2`: External Interrupt
+        pub d19: atmega_hal::port::PD2 = pd2,
+        /// `D20` / `SDA`
+        ///
+        /// * `SDA`: i2c/twi data
+        /// * `INT1`: External Interrupt
+        pub d20: atmega_hal::port::PD1 = pd1,
+        /// `D21` / `SCL`
+        ///
+        /// * `SCL`: i2c/twi clock
+        /// * `INT0`: External Interrupt
+        pub d21: atmega_hal::port::PD0= pd0,
+        /// `D22`
+        ///
+        /// * `AD0`: External memory interface
+        pub d22: atmega_hal::port::PA0 = pa0,
+        /// `D23`
+        ///
+        /// * `AD1`: External memory interface
+        pub d23: atmega_hal::port::PA1 = pa1,
+        /// `D24`
+        ///
+        /// * `AD2`: External memory interface
+        pub d24: atmega_hal::port::PA2 = pa2,
+        /// `D25`
+        ///
+        /// * `AD3`: External memory interface
+        pub d25: atmega_hal::port::PA3 = pa3,
+        /// `D26`
+        ///
+        /// * `AD4`: External memory interface
+        pub d26: atmega_hal::port::PA4 = pa4,
+        /// `D27`
+        ///
+        /// * `AD5`: External memory interface
+        pub d27: atmega_hal::port::PA5 = pa5,
+        /// `D28`
+        ///
+        /// * `AD6`: External memory interface
+        pub d28: atmega_hal::port::PA6 = pa6,
+        /// `D29`
+        ///
+        /// * `AD7`: External memory interface
+        pub d29: atmega_hal::port::PA7 = pa7,
+        /// `D30`
+        ///
+        /// * `AD15`: External memory interface
+        pub d30: atmega_hal::port::PC7 = pc7,
+        /// `D31`
+        ///
+        /// * `AD14`: External memory interface
+        pub d31: atmega_hal::port::PC6 = pc6,
+        /// `D32`
+        ///
+        /// * `AD13`: External memory interface
+        pub d32: atmega_hal::port::PC5 = pc5,
+        /// `D33`
+        ///
+        /// * `AD12`: External memory interface
+        pub d33: atmega_hal::port::PC4 = pc4,
+        /// `D34`
+        ///
+        /// * `AD11`: External memory interface
+        pub d34: atmega_hal::port::PC3 = pc3,
+        /// `D35`
+        ///
+        /// * `AD10`: External memory interface
+        pub d35: atmega_hal::port::PC2 = pc2,
+        /// `D36`
+        ///
+        /// * `AD9`: External memory interface
+        pub d36: atmega_hal::port::PC1 = pc1,
+        /// `D37`
+        ///
+        /// * `AD8`: External memory interface
+        pub d37: atmega_hal::port::PC0 = pc0,
+        /// `D38`
+        ///
+        /// * `T0`: Clock Input for Timer/Counter0
+        pub d38: atmega_hal::port::PD7 = pd7,
+        /// `D39`
+        ///
+        /// * `ALE`: External memory Address Latch Enable
+        pub d39: atmega_hal::port::PG2 = pg2,
+        /// `D40`
+        ///
+        /// `RD`: External memory Read Strobe
+        pub d40: atmega_hal::port::PG1 = pg1,
+        /// `D41`
+        ///
+        /// `WR`: External memory Write Strobe
+        pub d41: atmega_hal::port::PG0 = pg0,
+        /// `D42`
+        pub d42: atmega_hal::port::PL7 = pl7,
+        /// `D43`
+        pub d43: atmega_hal::port::PL6 = pl6,
+        /// `D44`
+        ///
+        /// * **PWM**: [atmega2560_hal::timer::Timer5Pwm]
+        /// * `OC5C`: Output Compare Channel `C` for Timer/Counter5
+        pub d44: atmega_hal::port::PL5 = pl5,
+        /// `D45`
+        ///
+        /// * **PWM**: [atmega2560_hal::timer::Timer5Pwm]
+        /// * `OC5B`: Output Compare Channel `B` for Timer/Counter5
+        pub d45: atmega_hal::port::PL4 = pl4,
+        /// `D46`
+        ///
+        /// * **PWM**: [atmega2560_hal::timer::Timer5Pwm]
+        /// * `OC5A`: Output Compare Channel `A` for Timer/Counter5
+        pub d46: atmega_hal::port::PL3 = pl3,
+        /// `D47`
+        ///
+        /// * `T5`: Clock Input for Timer/Counter5
+        pub d47: atmega_hal::port::PL2 = pl2,
+        /// `D48`
+        ///
+        /// * `ICP5`: Input Capture Trigger for Timer/Counter5
+        pub d48: atmega_hal::port::PL1 = pl1,
+        /// `D49`
+        ///
+        /// * `ICP4`: Input Capture Trigger for Timer/Counter4
+        pub d49: atmega_hal::port::PL0 = pl0,
+        /// `D50`
+        ///
+        /// * `MISO`: SPI bus Master In/Slave Out
+        /// * `PCINT3`: External Interrupt (Pin Change)
+        pub d50: atmega_hal::port::PB3 = pb3,
+        /// `D51`
+        ///
+        /// * `MOSI`: SPI bus Master Out/Slave In
+        /// * `PCINT2`: External Interrupt (Pin Change)
+        pub d51: atmega_hal::port::PB2 = pb2,
+        /// `D52`
+        ///
+        /// * `SCK`: SPI bus Serial Clock
+        /// * `PCINT1`: External Interrupt (Pin Change)
+        pub d52: atmega_hal::port::PB1 = pb1,
+        /// `D53`
+        ///
+        /// * `SS`: SPI bus Slave Select
+        /// * `PCINT0`: External Interrupt (Pin Change)
+        pub d53: atmega_hal::port::PB0 = pb0,
+        /// `A0`
+        ///
+        /// * `ADC0`: A/D converter input 0
+        pub a0: atmega_hal::port::PF0 = pf0,
+        /// `A1`
+        ///
+        /// * `ADC1`: A/D converter input 1
+        pub a1: atmega_hal::port::PF1 = pf1,
+        /// `A2`
+        ///
+        /// * `ADC2`: A/D converter input 2
+        pub a2: atmega_hal::port::PF2 = pf2,
+        /// `A3`
+        ///
+        /// * `ADC3`: A/D converter input 3
+        pub a3: atmega_hal::port::PF3 = pf3,
+        /// `A4`
+        ///
+        /// * `ADC4`: A/D converter input 4
+        /// * `TCK`: JTAG test clock
+        pub a4: atmega_hal::port::PF4 = pf4,
+        /// `A5`
+        ///
+        /// * `ADC5`: A/D converter input 5
+        /// * `TMS`: JTAG test mode select
+        pub a5: atmega_hal::port::PF5 = pf5,
+        /// `A6`
+        ///
+        /// * `ADC6`: A/D converter input 6
+        /// * `TDO`: JTAG test data output
+        pub a6: atmega_hal::port::PF6 = pf6,
+        /// `A7`
+        ///
+        /// * `ADC7`: A/D converter input 7
+        /// * `TDI`: JTAG test data input
+        pub a7: atmega_hal::port::PF7 = pf7,
+        /// `A8`
+        ///
+        /// * `ADC8`: A/D converter input 8
+        /// * `PCINT16`: External Interrupt (Pin Change)
+        pub a8: atmega_hal::port::PK0 = pk0,
+        /// `A9`
+        ///
+        /// * `ADC9`: A/D converter input 9
+        /// * `PCINT17`: External Interrupt (Pin Change)
+        pub a9: atmega_hal::port::PK1 = pk1,
+        /// `A10`
+        ///
+        /// * `ADC10`: A/D converter input 10
+        /// * `PCINT18`: External Interrupt (Pin Change)
+        pub a10: atmega_hal::port::PK2 = pk2,
+        /// `A11`
+        ///
+        /// * `ADC11`: A/D converter input 11
+        /// * `PCINT19`: External Interrupt (Pin Change)
+        pub a11: atmega_hal::port::PK3 = pk3,
+        /// `A12`
+        ///
+        /// * `ADC12`: A/D converter input 12
+        /// * `PCINT20`: External Interrupt (Pin Change)
+        pub a12: atmega_hal::port::PK4 = pk4,
+        /// `A13`
+        ///
+        /// * `ADC13`: A/D converter input 13
+        /// * `PCINT21`: External Interrupt (Pin Change)
+        pub a13: atmega_hal::port::PK5 = pk5,
+        /// `A14`
+        ///
+        /// * `ADC14`: A/D converter input 14
+        /// * `PCINT22`: External Interrupt (Pin Change)
+        pub a14: atmega_hal::port::PK6 = pk6,
+        /// `A15`
+        ///
+        /// * `ADC15`: A/D converter input 15
+        /// * `PCINT23`: External Interrupt (Pin Change)
+        pub a15: atmega_hal::port::PK7 = pk7,
+    }
+}