humpback-dds/src/dds.rs

use embedded_hal::blocking::spi::Transfer;
use cortex_m_semihosting::hprintln;
use crate::Error;

construct_bitmask!(CFR1Mask; u32;
	LSB_FIRST,						0,	1,
	SDIO_IN_ONLY,					1,	1,
	EXT_POWER_DOWN_CTRL,			3,	1,
	AUX_DAC_POWER_DOWN,				4,	1,
	REFCLK_IN_POWER_DOWN,			5,	1,
	DAC_POWER_DOWN,					6,	1,
	DIGITAL_POWER_DOWN,				7,	1,
	SEL_AUTO_OSK,					8,	1,
	OSK_ENABLE,						9,	1,
	LOAD_ARR_IO_UPDATE,				10,	1,
	CLEAR_PHASE_ACU,				11,	1,
	CLEAR_DIGITAL_RAMP_ACU,			12,	1,
	AUTOCLEAR_PHASE_ACU,			13,	1,
	AUTOCLEAR_DIGITAL_RAMP_ACU,		14,	1,
	LOAD_LRR_IO_UPDATE,				15,	1,
	SEL_DDS_SIN_OUT,				16,	1,
	PROFILE_CTRL,					17,	4,
	INV_SINC_FILTER_ENABLE,			22,	1,
	MANUAL_OSK_EXT_CTRL,			23,	1,
	RAM_PLAYBACK_DST,				29,	2,
	RAM_ENABLE,						31,	1
);

pub struct DDS<SPI> {
	spi: SPI,
}

impl<SPI, E> DDS<SPI>
where
	SPI: Transfer<u8, Error= E>
{
	pub fn new(spi: SPI) -> Self {
		DDS {
			spi
		}
	}
}

impl<SPI, E> Transfer<u8> for ConfigRegister<SPI>
where
	SPI: Transfer<u8, Error = E>
{
	type Error = Error<E>;

	fn transfer<'w>(&mut self, words: &'w mut [u8]) -> Result<&'w [u8], Self::Error> {
		self.spi.transfer(words).map_err(Error::SPI)
	}
}