nrf52840_platform/
i2c.rs

1use crate::error;
2use crate::gpio;
3use core::pin;
4use core::task;
5use nrf52840_hal::gpio as hal_gpio;
6use nrf52840_hal::gpio::p0;
7
8#[derive(Clone, Copy, Debug)]
9pub struct I2c;
10
11#[derive(Clone, Copy, Debug)]
12pub struct I2cRead {}
13
14#[derive(Clone, Copy, Debug)]
15pub struct I2cWrite {}
16
17#[derive(Clone, Copy, Debug)]
18pub struct I2cMapping<SDA, SCL>(SDA, SCL);
19
20impl
21    embedded_platform::i2c::I2cBusMapping<
22        gpio::Pin<p0::P0_26<hal_gpio::Input<hal_gpio::Floating>>>,
23        gpio::Pin<p0::P0_27<hal_gpio::Input<hal_gpio::Floating>>>,
24    >
25    for I2cMapping<
26        gpio::Pin<p0::P0_26<hal_gpio::Input<hal_gpio::Floating>>>,
27        gpio::Pin<p0::P0_27<hal_gpio::Input<hal_gpio::Floating>>>,
28    >
29{
30    type Error = error::Error;
31    type Bus = I2c;
32
33    fn poll_initialize(
34        self: pin::Pin<&mut Self>,
35        cx: &mut task::Context<'_>,
36        sda: &mut gpio::Pin<p0::P0_26<hal_gpio::Input<hal_gpio::Floating>>>,
37        scl: &mut gpio::Pin<p0::P0_27<hal_gpio::Input<hal_gpio::Floating>>>,
38    ) -> task::Poll<Result<Self::Bus, Self::Error>>
39    where
40        Self: Sized,
41    {
42        unimplemented!()
43    }
44}
45
46impl embedded_platform::i2c::I2cRead for I2c {
47    type Error = error::Error;
48    type Read = I2cRead;
49
50    fn poll_begin_read(
51        self: pin::Pin<&mut Self>,
52        cx: &mut task::Context<'_>,
53        addr: u8,
54    ) -> task::Poll<Result<Self::Read, Self::Error>> {
55        unimplemented!()
56    }
57}
58
59impl embedded_platform::io::Read for I2cRead {
60    type Error = error::Error;
61
62    fn poll_read(
63        self: pin::Pin<&mut Self>,
64        cx: &mut task::Context<'_>,
65        buffer: &mut [u8],
66    ) -> task::Poll<Result<usize, Self::Error>> {
67        unimplemented!()
68    }
69}
70
71impl embedded_platform::i2c::I2cWrite for I2c {
72    type Error = error::Error;
73    type Write = I2cWrite;
74
75    fn poll_begin_write(
76        self: pin::Pin<&mut Self>,
77        cx: &mut task::Context<'_>,
78        addr: u8,
79    ) -> task::Poll<Result<Self::Write, Self::Error>> {
80        unimplemented!()
81    }
82}
83
84impl embedded_platform::io::Write for I2cWrite {
85    type Error = error::Error;
86
87    fn poll_write(
88        self: pin::Pin<&mut Self>,
89        cx: &mut task::Context<'_>,
90        bytes: &[u8],
91    ) -> task::Poll<Result<usize, Self::Error>> {
92        unimplemented!()
93    }
94
95    fn poll_shutdown(
96        self: pin::Pin<&mut Self>,
97        cx: &mut task::Context<'_>,
98    ) -> task::Poll<Result<(), Self::Error>> {
99        unimplemented!()
100    }
101}
nrf52840_platform/i2c.rs

nrf52840_platform/
i2c.rs
