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Add support for setting up the nRFs internal DCDCs

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This commit is contained in:
Emil Fresk 2023-04-26 20:03:43 +02:00
parent deadf40c85
commit f8b359dc5a
1 changed files with 80 additions and 0 deletions
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80
embassy-nrf/src/lib.rs
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@ -184,6 +184,34 @@ pub mod config {
NotConfigured,
}
/// Settings for enabling the built in DCDC converters.
#[cfg(not(any(feature = "_nrf5340", feature = "_nrf9160")))]
pub struct DcdcConfig {
/// Config for the first stage DCDC (VDDH -> VDD), if disabled LDO will be used.
#[cfg(feature = "nrf52840")]
pub reg0: bool,
/// Config for the second stage DCDC (VDD -> DEC4), if disabled LDO will be used.
pub reg1: bool,
}
/// Settings for enabling the built in DCDC converters.
#[cfg(feature = "_nrf5340-app")]
pub struct DcdcConfig {
/// Config for the high voltage stage, if disabled LDO will be used.
pub regh: bool,
/// Config for the main rail, if disabled LDO will be used.
pub regmain: bool,
/// Config for the radio rail, if disabled LDO will be used.
pub regradio: bool,
}
/// Settings for enabling the built in DCDC converter.
#[cfg(feature = "_nrf9160")]
pub struct DcdcConfig {
/// Config for the main rail, if disabled LDO will be used.
pub regmain: bool,
}
/// Configuration for peripherals. Default configuration should work on any nRF chip.
#[non_exhaustive]
pub struct Config {
@ -191,6 +219,9 @@ pub mod config {
pub hfclk_source: HfclkSource,
/// Low frequency clock source.
pub lfclk_source: LfclkSource,
#[cfg(not(feature = "_nrf5340-net"))]
/// DCDC configuration.
pub dcdc: DcdcConfig,
/// GPIOTE interrupt priority. Should be lower priority than softdevice if used.
#[cfg(feature = "gpiote")]
pub gpiote_interrupt_priority: crate::interrupt::Priority,
@ -209,6 +240,20 @@ pub mod config {
// xtals if they know they have them.
hfclk_source: HfclkSource::Internal,
lfclk_source: LfclkSource::InternalRC,
#[cfg(not(any(feature = "_nrf5340", feature = "_nrf9160")))]
dcdc: DcdcConfig {
#[cfg(feature = "nrf52840")]
reg0: false,
reg1: false,
},
#[cfg(feature = "_nrf5340-app")]
dcdc: DcdcConfig {
regh: false,
regmain: false,
regradio: false,
},
#[cfg(feature = "_nrf9160")]
dcdc: DcdcConfig { regmain: false },
#[cfg(feature = "gpiote")]
gpiote_interrupt_priority: crate::interrupt::Priority::P0,
#[cfg(feature = "_time-driver")]
@ -454,6 +499,41 @@ pub fn init(config: config::Config) -> Peripherals {
r.tasks_lfclkstart.write(|w| unsafe { w.bits(1) });
while r.events_lfclkstarted.read().bits() == 0 {}
#[cfg(not(any(feature = "_nrf5340", feature = "_nrf9160")))]
{
// Setup DCDCs.
let pwr = unsafe { &*pac::POWER::ptr() };
#[cfg(feature = "nrf52840")]
if config.dcdc.reg0 {
pwr.dcdcen0.write(|w| w.dcdcen().set_bit());
}
if config.dcdc.reg1 {
pwr.dcdcen.write(|w| w.dcdcen().set_bit());
}
}
#[cfg(feature = "_nrf9160")]
{
// Setup DCDC.
let reg = unsafe { &*pac::REGULATORS::ptr() };
if config.dcdc.regmain {
reg.dcdcen.write(|w| w.dcdcen().set_bit());
}
}
#[cfg(feature = "_nrf5340-app")]
{
// Setup DCDC.
let reg = unsafe { &*pac::REGULATORS::ptr() };
if config.dcdc.regh {
reg.vregh.dcdcen.write(|w| w.dcdcen().set_bit());
}
if config.dcdc.regmain {
reg.vregmain.dcdcen.write(|w| w.dcdcen().set_bit());
}
if config.dcdc.regradio {
reg.vregradio.dcdcen.write(|w| w.dcdcen().set_bit());
}
}
// Init GPIOTE
#[cfg(feature = "gpiote")]
gpiote::init(config.gpiote_interrupt_priority);