diff options
Diffstat (limited to 'embassy-embedded-hal/src/shared_bus/blocking/spi.rs')
| -rw-r--r-- | embassy-embedded-hal/src/shared_bus/blocking/spi.rs | 64 |
1 files changed, 32 insertions, 32 deletions
diff --git a/embassy-embedded-hal/src/shared_bus/blocking/spi.rs b/embassy-embedded-hal/src/shared_bus/blocking/spi.rs index 704858cdb..ff92e1a7e 100644 --- a/embassy-embedded-hal/src/shared_bus/blocking/spi.rs +++ b/embassy-embedded-hal/src/shared_bus/blocking/spi.rs | |||
| @@ -3,7 +3,7 @@ | |||
| 3 | //! # Example (nrf52) | 3 | //! # Example (nrf52) |
| 4 | //! | 4 | //! |
| 5 | //! ```rust | 5 | //! ```rust |
| 6 | //! use embassy_embedded_hal::shared_bus::blocking::spi::SpiBusDevice; | 6 | //! use embassy_embedded_hal::shared_bus::blocking::spi::SpiDevice; |
| 7 | //! use embassy::blocking_mutex::{NoopMutex, raw::NoopRawMutex}; | 7 | //! use embassy::blocking_mutex::{NoopMutex, raw::NoopRawMutex}; |
| 8 | //! | 8 | //! |
| 9 | //! static SPI_BUS: Forever<NoopMutex<RefCell<Spim<SPI3>>>> = Forever::new(); | 9 | //! static SPI_BUS: Forever<NoopMutex<RefCell<Spim<SPI3>>>> = Forever::new(); |
| @@ -14,7 +14,7 @@ | |||
| 14 | //! | 14 | //! |
| 15 | //! // Device 1, using embedded-hal compatible driver for ST7735 LCD display | 15 | //! // Device 1, using embedded-hal compatible driver for ST7735 LCD display |
| 16 | //! let cs_pin1 = Output::new(p.P0_24, Level::Low, OutputDrive::Standard); | 16 | //! let cs_pin1 = Output::new(p.P0_24, Level::Low, OutputDrive::Standard); |
| 17 | //! let spi_dev1 = SpiBusDevice::new(spi_bus, cs_pin1); | 17 | //! let spi_dev1 = SpiDevice::new(spi_bus, cs_pin1); |
| 18 | //! let display1 = ST7735::new(spi_dev1, dc1, rst1, Default::default(), false, 160, 128); | 18 | //! let display1 = ST7735::new(spi_dev1, dc1, rst1, Default::default(), false, 160, 128); |
| 19 | //! ``` | 19 | //! ``` |
| 20 | 20 | ||
| @@ -24,31 +24,31 @@ use embassy::blocking_mutex::raw::RawMutex; | |||
| 24 | use embassy::blocking_mutex::Mutex; | 24 | use embassy::blocking_mutex::Mutex; |
| 25 | use embedded_hal_1::digital::blocking::OutputPin; | 25 | use embedded_hal_1::digital::blocking::OutputPin; |
| 26 | use embedded_hal_1::spi; | 26 | use embedded_hal_1::spi; |
| 27 | use embedded_hal_1::spi::blocking::{SpiBusFlush, SpiDevice}; | 27 | use embedded_hal_1::spi::blocking::SpiBusFlush; |
| 28 | 28 | ||
| 29 | use crate::shared_bus::SpiBusDeviceError; | 29 | use crate::shared_bus::SpiDeviceError; |
| 30 | use crate::SetConfig; | 30 | use crate::SetConfig; |
| 31 | 31 | ||
| 32 | pub struct SpiBusDevice<'a, M: RawMutex, BUS, CS> { | 32 | pub struct SpiDevice<'a, M: RawMutex, BUS, CS> { |
| 33 | bus: &'a Mutex<M, RefCell<BUS>>, | 33 | bus: &'a Mutex<M, RefCell<BUS>>, |
| 34 | cs: CS, | 34 | cs: CS, |
| 35 | } | 35 | } |
| 36 | 36 | ||
| 37 | impl<'a, M: RawMutex, BUS, CS> SpiBusDevice<'a, M, BUS, CS> { | 37 | impl<'a, M: RawMutex, BUS, CS> SpiDevice<'a, M, BUS, CS> { |
| 38 | pub fn new(bus: &'a Mutex<M, RefCell<BUS>>, cs: CS) -> Self { | 38 | pub fn new(bus: &'a Mutex<M, RefCell<BUS>>, cs: CS) -> Self { |
| 39 | Self { bus, cs } | 39 | Self { bus, cs } |
| 40 | } | 40 | } |
| 41 | } | 41 | } |
| 42 | 42 | ||
| 43 | impl<'a, M: RawMutex, BUS, CS> spi::ErrorType for SpiBusDevice<'a, M, BUS, CS> | 43 | impl<'a, M: RawMutex, BUS, CS> spi::ErrorType for SpiDevice<'a, M, BUS, CS> |
| 44 | where | 44 | where |
| 45 | BUS: spi::ErrorType, | 45 | BUS: spi::ErrorType, |
| 46 | CS: OutputPin, | 46 | CS: OutputPin, |
| 47 | { | 47 | { |
| 48 | type Error = SpiBusDeviceError<BUS::Error, CS::Error>; | 48 | type Error = SpiDeviceError<BUS::Error, CS::Error>; |
| 49 | } | 49 | } |
| 50 | 50 | ||
| 51 | impl<BUS, M, CS> SpiDevice for SpiBusDevice<'_, M, BUS, CS> | 51 | impl<BUS, M, CS> embedded_hal_1::spi::blocking::SpiDevice for SpiDevice<'_, M, BUS, CS> |
| 52 | where | 52 | where |
| 53 | M: RawMutex, | 53 | M: RawMutex, |
| 54 | BUS: SpiBusFlush, | 54 | BUS: SpiBusFlush, |
| @@ -59,7 +59,7 @@ where | |||
| 59 | fn transaction<R>(&mut self, f: impl FnOnce(&mut Self::Bus) -> Result<R, BUS::Error>) -> Result<R, Self::Error> { | 59 | fn transaction<R>(&mut self, f: impl FnOnce(&mut Self::Bus) -> Result<R, BUS::Error>) -> Result<R, Self::Error> { |
| 60 | self.bus.lock(|bus| { | 60 | self.bus.lock(|bus| { |
| 61 | let mut bus = bus.borrow_mut(); | 61 | let mut bus = bus.borrow_mut(); |
| 62 | self.cs.set_low().map_err(SpiBusDeviceError::Cs)?; | 62 | self.cs.set_low().map_err(SpiDeviceError::Cs)?; |
| 63 | 63 | ||
| 64 | let f_res = f(&mut bus); | 64 | let f_res = f(&mut bus); |
| 65 | 65 | ||
| @@ -67,78 +67,78 @@ where | |||
| 67 | let flush_res = bus.flush(); | 67 | let flush_res = bus.flush(); |
| 68 | let cs_res = self.cs.set_high(); | 68 | let cs_res = self.cs.set_high(); |
| 69 | 69 | ||
| 70 | let f_res = f_res.map_err(SpiBusDeviceError::Spi)?; | 70 | let f_res = f_res.map_err(SpiDeviceError::Spi)?; |
| 71 | flush_res.map_err(SpiBusDeviceError::Spi)?; | 71 | flush_res.map_err(SpiDeviceError::Spi)?; |
| 72 | cs_res.map_err(SpiBusDeviceError::Cs)?; | 72 | cs_res.map_err(SpiDeviceError::Cs)?; |
| 73 | 73 | ||
| 74 | Ok(f_res) | 74 | Ok(f_res) |
| 75 | }) | 75 | }) |
| 76 | } | 76 | } |
| 77 | } | 77 | } |
| 78 | 78 | ||
| 79 | impl<'d, M, BUS, CS, BusErr, CsErr> embedded_hal_02::blocking::spi::Transfer<u8> for SpiBusDevice<'_, M, BUS, CS> | 79 | impl<'d, M, BUS, CS, BusErr, CsErr> embedded_hal_02::blocking::spi::Transfer<u8> for SpiDevice<'_, M, BUS, CS> |
| 80 | where | 80 | where |
| 81 | M: RawMutex, | 81 | M: RawMutex, |
| 82 | BUS: embedded_hal_02::blocking::spi::Transfer<u8, Error = BusErr>, | 82 | BUS: embedded_hal_02::blocking::spi::Transfer<u8, Error = BusErr>, |
| 83 | CS: OutputPin<Error = CsErr>, | 83 | CS: OutputPin<Error = CsErr>, |
| 84 | { | 84 | { |
| 85 | type Error = SpiBusDeviceError<BusErr, CsErr>; | 85 | type Error = SpiDeviceError<BusErr, CsErr>; |
| 86 | fn transfer<'w>(&mut self, words: &'w mut [u8]) -> Result<&'w [u8], Self::Error> { | 86 | fn transfer<'w>(&mut self, words: &'w mut [u8]) -> Result<&'w [u8], Self::Error> { |
| 87 | self.bus.lock(|bus| { | 87 | self.bus.lock(|bus| { |
| 88 | let mut bus = bus.borrow_mut(); | 88 | let mut bus = bus.borrow_mut(); |
| 89 | self.cs.set_low().map_err(SpiBusDeviceError::Cs)?; | 89 | self.cs.set_low().map_err(SpiDeviceError::Cs)?; |
| 90 | let f_res = bus.transfer(words); | 90 | let f_res = bus.transfer(words); |
| 91 | let cs_res = self.cs.set_high(); | 91 | let cs_res = self.cs.set_high(); |
| 92 | let f_res = f_res.map_err(SpiBusDeviceError::Spi)?; | 92 | let f_res = f_res.map_err(SpiDeviceError::Spi)?; |
| 93 | cs_res.map_err(SpiBusDeviceError::Cs)?; | 93 | cs_res.map_err(SpiDeviceError::Cs)?; |
| 94 | Ok(f_res) | 94 | Ok(f_res) |
| 95 | }) | 95 | }) |
| 96 | } | 96 | } |
| 97 | } | 97 | } |
| 98 | 98 | ||
| 99 | impl<'d, M, BUS, CS, BusErr, CsErr> embedded_hal_02::blocking::spi::Write<u8> for SpiBusDevice<'_, M, BUS, CS> | 99 | impl<'d, M, BUS, CS, BusErr, CsErr> embedded_hal_02::blocking::spi::Write<u8> for SpiDevice<'_, M, BUS, CS> |
| 100 | where | 100 | where |
| 101 | M: RawMutex, | 101 | M: RawMutex, |
| 102 | BUS: embedded_hal_02::blocking::spi::Write<u8, Error = BusErr>, | 102 | BUS: embedded_hal_02::blocking::spi::Write<u8, Error = BusErr>, |
| 103 | CS: OutputPin<Error = CsErr>, | 103 | CS: OutputPin<Error = CsErr>, |
| 104 | { | 104 | { |
| 105 | type Error = SpiBusDeviceError<BusErr, CsErr>; | 105 | type Error = SpiDeviceError<BusErr, CsErr>; |
| 106 | 106 | ||
| 107 | fn write(&mut self, words: &[u8]) -> Result<(), Self::Error> { | 107 | fn write(&mut self, words: &[u8]) -> Result<(), Self::Error> { |
| 108 | self.bus.lock(|bus| { | 108 | self.bus.lock(|bus| { |
| 109 | let mut bus = bus.borrow_mut(); | 109 | let mut bus = bus.borrow_mut(); |
| 110 | self.cs.set_low().map_err(SpiBusDeviceError::Cs)?; | 110 | self.cs.set_low().map_err(SpiDeviceError::Cs)?; |
| 111 | let f_res = bus.write(words); | 111 | let f_res = bus.write(words); |
| 112 | let cs_res = self.cs.set_high(); | 112 | let cs_res = self.cs.set_high(); |
| 113 | let f_res = f_res.map_err(SpiBusDeviceError::Spi)?; | 113 | let f_res = f_res.map_err(SpiDeviceError::Spi)?; |
| 114 | cs_res.map_err(SpiBusDeviceError::Cs)?; | 114 | cs_res.map_err(SpiDeviceError::Cs)?; |
| 115 | Ok(f_res) | 115 | Ok(f_res) |
| 116 | }) | 116 | }) |
| 117 | } | 117 | } |
| 118 | } | 118 | } |
| 119 | 119 | ||
| 120 | pub struct SpiBusDeviceWithConfig<'a, M: RawMutex, BUS: SetConfig, CS> { | 120 | pub struct SpiDeviceWithConfig<'a, M: RawMutex, BUS: SetConfig, CS> { |
| 121 | bus: &'a Mutex<M, RefCell<BUS>>, | 121 | bus: &'a Mutex<M, RefCell<BUS>>, |
| 122 | cs: CS, | 122 | cs: CS, |
| 123 | config: BUS::Config, | 123 | config: BUS::Config, |
| 124 | } | 124 | } |
| 125 | 125 | ||
| 126 | impl<'a, M: RawMutex, BUS: SetConfig, CS> SpiBusDeviceWithConfig<'a, M, BUS, CS> { | 126 | impl<'a, M: RawMutex, BUS: SetConfig, CS> SpiDeviceWithConfig<'a, M, BUS, CS> { |
| 127 | pub fn new(bus: &'a Mutex<M, RefCell<BUS>>, cs: CS, config: BUS::Config) -> Self { | 127 | pub fn new(bus: &'a Mutex<M, RefCell<BUS>>, cs: CS, config: BUS::Config) -> Self { |
| 128 | Self { bus, cs, config } | 128 | Self { bus, cs, config } |
| 129 | } | 129 | } |
| 130 | } | 130 | } |
| 131 | 131 | ||
| 132 | impl<'a, M, BUS, CS> spi::ErrorType for SpiBusDeviceWithConfig<'a, M, BUS, CS> | 132 | impl<'a, M, BUS, CS> spi::ErrorType for SpiDeviceWithConfig<'a, M, BUS, CS> |
| 133 | where | 133 | where |
| 134 | M: RawMutex, | 134 | M: RawMutex, |
| 135 | BUS: spi::ErrorType + SetConfig, | 135 | BUS: spi::ErrorType + SetConfig, |
| 136 | CS: OutputPin, | 136 | CS: OutputPin, |
| 137 | { | 137 | { |
| 138 | type Error = SpiBusDeviceError<BUS::Error, CS::Error>; | 138 | type Error = SpiDeviceError<BUS::Error, CS::Error>; |
| 139 | } | 139 | } |
| 140 | 140 | ||
| 141 | impl<BUS, M, CS> SpiDevice for SpiBusDeviceWithConfig<'_, M, BUS, CS> | 141 | impl<BUS, M, CS> embedded_hal_1::spi::blocking::SpiDevice for SpiDeviceWithConfig<'_, M, BUS, CS> |
| 142 | where | 142 | where |
| 143 | M: RawMutex, | 143 | M: RawMutex, |
| 144 | BUS: SpiBusFlush + SetConfig, | 144 | BUS: SpiBusFlush + SetConfig, |
| @@ -150,7 +150,7 @@ where | |||
| 150 | self.bus.lock(|bus| { | 150 | self.bus.lock(|bus| { |
| 151 | let mut bus = bus.borrow_mut(); | 151 | let mut bus = bus.borrow_mut(); |
| 152 | bus.set_config(&self.config); | 152 | bus.set_config(&self.config); |
| 153 | self.cs.set_low().map_err(SpiBusDeviceError::Cs)?; | 153 | self.cs.set_low().map_err(SpiDeviceError::Cs)?; |
| 154 | 154 | ||
| 155 | let f_res = f(&mut bus); | 155 | let f_res = f(&mut bus); |
| 156 | 156 | ||
| @@ -158,9 +158,9 @@ where | |||
| 158 | let flush_res = bus.flush(); | 158 | let flush_res = bus.flush(); |
| 159 | let cs_res = self.cs.set_high(); | 159 | let cs_res = self.cs.set_high(); |
| 160 | 160 | ||
| 161 | let f_res = f_res.map_err(SpiBusDeviceError::Spi)?; | 161 | let f_res = f_res.map_err(SpiDeviceError::Spi)?; |
| 162 | flush_res.map_err(SpiBusDeviceError::Spi)?; | 162 | flush_res.map_err(SpiDeviceError::Spi)?; |
| 163 | cs_res.map_err(SpiBusDeviceError::Cs)?; | 163 | cs_res.map_err(SpiDeviceError::Cs)?; |
| 164 | Ok(f_res) | 164 | Ok(f_res) |
| 165 | }) | 165 | }) |
| 166 | } | 166 | } |
