humidity #23
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humidity #23
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alexandruradovici
requested changes
Apr 3, 2023
| /// | ||
| /// This function is used both for synchronous and asynchronous readings | ||
| pub fn humidity_read() -> Result<(), ErrorCode> { |
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Suggested change
| pub fn humidity_read() -> Result<(), ErrorCode> { | |
| pub fn read() -> Result<(), ErrorCode> { |
| /// ## Hello | ||
| /// Returns Ok(humidity_value) if the operation was successful | ||
| /// humidity_value is returned in hundreds of centigrades | ||
| pub fn humidity_read_sync() -> Result<i32, ErrorCode> { |
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Suggested change
| pub fn humidity_read_sync() -> Result<i32, ErrorCode> { | |
| pub fn read_sync() -> Result<i32, ErrorCode> { |
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Are there any negative values for the humidity? You are using i32.
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| loop { | ||
| match Humidity::humidity_read_sync() { | ||
| Ok(hum_val) => writeln!( | ||
| Console::writer(), | ||
| "Humidity: {}{}.{}%\n", | ||
| if hum_val > 0 { "" } else { "-" }, | ||
| i32::abs(hum_val) / 100, | ||
| i32::abs(hum_val) % 100 | ||
| ) | ||
| .unwrap(), | ||
| Err(_) => writeln!(Console::writer(), "error while reading humidity",).unwrap(), | ||
| } | ||
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| Alarm::sleep_for(Milliseconds(2000)).unwrap(); | ||
| } |
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Move this in the Ok branch of the previous match.
| MEMORY { | ||
| FLASH (X) : ORIGIN = 0x00040000, LENGTH = 256K | ||
| RAM (W) : ORIGIN = 0x20004000, LENGTH = 112K | ||
| RAM (W) : ORIGIN = 0x20004800, LENGTH = 112K |
| use libtock_humidity as humidity; | ||
| pub type Humidity = humidity::Humidity<super::runtime::TockSyscalls>; | ||
| pub use humidity::HumidityListener; | ||
| } |
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| // The `upcall_on_command` field is set to Some(value) if an upcall(with value as its argument) should be called when read command is received, | ||
| // or None otherwise. It was needed for testing `read_sync` library function which simulates a synchronous temperature read, | ||
| // because it was impossible to schedule an upcall during the `synchronous` read in other ways. |
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Move this comment next to the field using ///
| fn command() { | ||
| let hum = Humidity::new(); | ||
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| assert!(hum.command(EXISTS, 1, 2).is_success()); |
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What do the two arguments mean?
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added driver for the humidity sensor and tests