49 lines
1.3 KiB
Rust
49 lines
1.3 KiB
Rust
//! This shows a very basic example of running code on the LP core.
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//!
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//! Code on LP core uses LP_I2C initialized on HP core. For more information
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//! check `lp_core_i2c` example in the `esp-lp-hal`.
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//!
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//! Make sure to first compile the `esp-lp-hal/examples/i2c.rs` example
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//!
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//! The following wiring is assumed:
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//! - SDA => GPIO6
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//! - SCL => GPIO7
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//% CHIPS: esp32c6
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#![no_std]
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#![no_main]
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use esp_backtrace as _;
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use esp_hal::{
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gpio::lp_io::LowPowerOutputOpenDrain,
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i2c::lp_i2c::LpI2c,
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lp_core::{LpCore, LpCoreWakeupSource},
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prelude::*,
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};
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use esp_println::println;
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#[entry]
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fn main() -> ! {
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let peripherals = esp_hal::init(esp_hal::Config::default());
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let lp_sda = LowPowerOutputOpenDrain::new(peripherals.GPIO6);
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let lp_scl = LowPowerOutputOpenDrain::new(peripherals.GPIO7);
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let lp_i2c = LpI2c::new(peripherals.LP_I2C0, lp_sda, lp_scl, 100.kHz());
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let mut lp_core = LpCore::new(peripherals.LP_CORE);
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lp_core.stop();
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println!("lp core stopped");
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// load code to LP core
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let lp_core_code =
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load_lp_code!("../esp-lp-hal/target/riscv32imac-unknown-none-elf/release/examples/i2c");
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// start LP core
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lp_core_code.run(&mut lp_core, LpCoreWakeupSource::HpCpu, lp_i2c);
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println!("lpcore run");
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loop {}
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}
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