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use crate::{private, AlgorithmResult, FirmwareMode, InterruptMode, MeasurementMode};
use embedded_hal::delay::DelayNs;
/// General CCS811 methods available in either mode
pub trait Ccs811Device: private::Sealed {
/// Error type
type Error;
/// Get the firmware mode.
fn firmware_mode(&mut self) -> Result<FirmwareMode, Self::Error>;
/// Check if a valid application firmware is loaded.
fn has_valid_app(&mut self) -> Result<bool, Self::Error>;
/// Get the hardware ID (0x81 for the CCS81x family of devices)
fn hardware_id(&mut self) -> Result<u8, Self::Error>;
/// Get the hardware version (major, minor) ((1,X) for the CCS81x family of devices)
fn hardware_version(&mut self) -> Result<(u8, u8), Self::Error>;
/// Get the firmware bootloader verion (major, minor, trivial)
fn firmware_bootloader_version(&mut self) -> Result<(u8, u8, u8), Self::Error>;
/// Get the firmware application verion (major, minor, trivial)
fn firmware_application_version(&mut self) -> Result<(u8, u8, u8), Self::Error>;
}
/// Methods available when on application mode
pub trait Ccs811AppMode: private::Sealed {
/// Error type
type Error;
/// Boot/App mode change error
type ModeChangeError;
/// Boot mode type
type BootModeType;
/// Set the measurement mode
///
/// NOTE: When changing to a new mode with a lower sample rate,
/// place the device in `Idle` mode for at least 10 minutes before
/// enabling the new mode.
fn set_mode(&mut self, mode: MeasurementMode) -> Result<(), Self::Error>;
/// Check if there is a new data sample ready.
fn has_data_ready(&mut self) -> Result<bool, Self::Error>;
/// Get the algorithm results data.
///
/// Returns a tuple containing the current and voltage through the sensor in
/// the format: (current, voltage).
/// The current is a value between 0uA and 63uA.
/// The voltage contains the value as computed in the ADC. (1023 = 1.65V)
fn data(&mut self) -> nb::Result<AlgorithmResult, Self::Error>;
/// Get the raw sensor data.
///
/// Returns a tuple containing the current and voltage through the sensor in
/// the format: (current, voltage).
/// The current is a value between 0uA and 63uA.
/// The voltage contains the value as computed in the ADC. (1023 = 1.65V)
fn raw_data(&mut self) -> Result<(u8, u16), Self::Error>;
/// Get the current baseline
fn baseline(&mut self) -> Result<[u8; 2], Self::Error>;
/// Set the baseline
fn set_baseline(&mut self, baseline: [u8; 2]) -> Result<(), Self::Error>;
/// Set the environment temperature and relative humidity.
///
/// The humidity must be provided as percentage: [0.0..100.0].
/// The temperature must be provided in Celsius. (Theoretical max: 254.99805ºC)
fn set_environment(
&mut self,
humidity_percentage: f32,
temperature_celsius: f32,
) -> Result<(), Self::Error>;
/// Configure the interrupt generation.
fn set_interrupt_mode(&mut self, mode: InterruptMode) -> Result<(), Self::Error>;
/// Set the eCO2 threshold values for interrupt generation (in ppm).
///
/// An interrupt will be asserted if the value moved from the current
/// range by 50 ppm.
fn set_eco2_thresholds(
&mut self,
low_to_medium: u16,
medium_to_high: u16,
) -> Result<(), Self::Error>;
/// Restart the device in boot mode.
///
/// 2ms should be waited before doing any other operation.
fn software_reset(self) -> Result<Self::BootModeType, Self::ModeChangeError>;
}
/// Methods available when on boot mode
pub trait Ccs811BootMode: private::Sealed {
/// Error type
type Error;
/// Boot/App mode change error
type ModeChangeError;
/// Application mode type
type TargetType;
/// Start application mode
///
/// NOTE: after this call 1ms must be waited before sending application commands.
fn start_application(self) -> Result<Self::TargetType, Self::ModeChangeError>;
/// Reset, erase, download new application and verify it in one step.
///
/// This resets the device via a software reset, erases the current application,
/// flashes the new binary and verifies it. This takes at least 572ms + 50ms * (bin_size/8).
/// Returns `Error::InvalidInputData` if the input binary lengh is not multiple of 8.
fn update_application<D: DelayNs>(
&mut self,
bin: &[u8],
delay: &mut D,
) -> Result<(), Self::Error>;
/// Verify application.
///
/// NOTE: After the first call, 70ms must be waited before calling again to
/// poll until completion.
fn verify_application(&mut self) -> nb::Result<(), Self::Error>;
/// Erase application.
///
/// NOTE: After the first call, 500ms must be waited before calling again to
/// poll until completion.
fn erase_application(&mut self) -> nb::Result<(), Self::Error>;
/// Download new application.
///
/// Returns `Error::InvalidInputData` if the input binary lengh is not multiple of 8.
/// This takes at least 50ms * (bin_size/8).
fn download_application<D: DelayNs>(
&mut self,
bin: &[u8],
delay: &mut D,
) -> Result<(), Self::Error>;
/// Restart the device in boot mode.
///
/// 2ms should be waited before doing any other operation.
fn software_reset(&mut self) -> Result<(), Self::Error>;
}