diff options
Diffstat (limited to 'examples/stm32wle5/src/bin/i2c.rs')
| -rw-r--r-- | examples/stm32wle5/src/bin/i2c.rs | 23 |
1 files changed, 3 insertions, 20 deletions
diff --git a/examples/stm32wle5/src/bin/i2c.rs b/examples/stm32wle5/src/bin/i2c.rs index 68c17a672..bd94c061f 100644 --- a/examples/stm32wle5/src/bin/i2c.rs +++ b/examples/stm32wle5/src/bin/i2c.rs | |||
| @@ -40,24 +40,6 @@ async fn async_main(_spawner: Spawner) { | |||
| 40 | // Initialize STM32WL peripherals (use default config like wio-e5-async example) | 40 | // Initialize STM32WL peripherals (use default config like wio-e5-async example) |
| 41 | let p = embassy_stm32::init(config); | 41 | let p = embassy_stm32::init(config); |
| 42 | 42 | ||
| 43 | // start with all GPIOs as analog to reduce power consumption | ||
| 44 | for r in [ | ||
| 45 | embassy_stm32::pac::GPIOA, | ||
| 46 | embassy_stm32::pac::GPIOB, | ||
| 47 | embassy_stm32::pac::GPIOC, | ||
| 48 | embassy_stm32::pac::GPIOH, | ||
| 49 | ] { | ||
| 50 | r.moder().modify(|w| { | ||
| 51 | for i in 0..16 { | ||
| 52 | // don't reset these if probe-rs should stay connected! | ||
| 53 | #[cfg(feature = "defmt-rtt")] | ||
| 54 | if config.enable_debug_during_sleep && r == embassy_stm32::pac::GPIOA && [13, 14].contains(&i) { | ||
| 55 | continue; | ||
| 56 | } | ||
| 57 | w.set_moder(i, embassy_stm32::pac::gpio::vals::Moder::ANALOG); | ||
| 58 | } | ||
| 59 | }); | ||
| 60 | } | ||
| 61 | #[cfg(feature = "defmt-serial")] | 43 | #[cfg(feature = "defmt-serial")] |
| 62 | { | 44 | { |
| 63 | use embassy_stm32::mode::Blocking; | 45 | use embassy_stm32::mode::Blocking; |
| @@ -79,14 +61,15 @@ async fn async_main(_spawner: Spawner) { | |||
| 79 | let mut i2c = I2c::new(p.I2C2, p.PB15, p.PA15, IrqsI2C, p.DMA1_CH6, p.DMA1_CH7, { | 61 | let mut i2c = I2c::new(p.I2C2, p.PB15, p.PA15, IrqsI2C, p.DMA1_CH6, p.DMA1_CH7, { |
| 80 | let mut config = i2c::Config::default(); | 62 | let mut config = i2c::Config::default(); |
| 81 | config.frequency = Hertz::khz(100); | 63 | config.frequency = Hertz::khz(100); |
| 82 | config.timeout = Duration::from_millis(500); | 64 | config.timeout = Duration::from_millis(1000); |
| 83 | config | 65 | config |
| 84 | }); | 66 | }); |
| 85 | 67 | ||
| 68 | let _device_busy = low_power::DeviceBusy::new_stop2(); | ||
| 86 | loop { | 69 | loop { |
| 87 | let mut buffer = [0; 2]; | 70 | let mut buffer = [0; 2]; |
| 88 | // read the temperature register of the onboard lm75 | 71 | // read the temperature register of the onboard lm75 |
| 89 | match i2c.read(0x48, &mut buffer).await { | 72 | match i2c.write_read(0x48, &[0x00], &mut buffer).await { |
| 90 | Ok(_) => info!("--> {:?}", buffer), | 73 | Ok(_) => info!("--> {:?}", buffer), |
| 91 | Err(e) => info!("--> Error: {:?}", e), | 74 | Err(e) => info!("--> Error: {:?}", e), |
| 92 | } | 75 | } |
