From 5168dbe68f76e72caa06ed25c2893d88bd22ead3 Mon Sep 17 00:00:00 2001
From: Diego Barrios Romero <eldruin@gmail.com>
Date: Wed, 31 Oct 2018 06:53:28 +0100
Subject: [PATCH] Add function to enable/disable the square wave generation
---
src/ds323x/configuration.rs | 11 +++++++++++
src/lib.rs | 1 +
tests/common/mod.rs | 1 +
tests/configuration.rs | 3 +++
4 files changed, 16 insertions(+)
diff --git a/src/ds323x/configuration.rs b/src/ds323x/configuration.rs
index 3951195..6d61dbc 100644
--- a/src/ds323x/configuration.rs
+++ b/src/ds323x/configuration.rs
@@ -77,6 +77,17 @@ where
self.write_control(control & !BitFlags::INTCN)
}
+ /// Enable battery-backed square wave generation.
+ pub fn enable_square_wave(&mut self) -> Result<(), Error<E>> {
+ let control = self.control;
+ self.write_control(control | BitFlags::BBSQW)
+ }
+
+ /// Disable battery-backed square wave generation.
+ pub fn disable_square_wave(&mut self) -> Result<(), Error<E>> {
+ let control = self.control;
+ self.write_control(control & !BitFlags::BBSQW)
+ }
fn write_control(&mut self, control: u8) -> Result<(), Error<E>> {
self.iface.write_register(Register::CONTROL, control)?;
self.control = control;
diff --git a/src/lib.rs b/src/lib.rs
index fcf77fa..2991421 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -356,6 +356,7 @@ impl BitFlags {
const AM_PM : u8 = 0b0010_0000;
const CENTURY : u8 = 0b1000_0000;
const EOSC : u8 = 0b1000_0000;
+ const BBSQW : u8 = 0b0100_0000;
const TEMP_CONV : u8 = 0b0010_0000;
const INTCN : u8 = 0b0000_0100;
const BUSY : u8 = 0b0000_0100;
diff --git a/tests/common/mod.rs b/tests/common/mod.rs
index 199fa30..5bd1da2 100644
--- a/tests/common/mod.rs
+++ b/tests/common/mod.rs
@@ -29,6 +29,7 @@ pub struct BitFlags;
#[allow(unused)]
impl BitFlags {
pub const EOSC : u8 = 0b1000_0000;
+ pub const BBSQW : u8 = 0b0100_0000;
pub const TEMP_CONV : u8 = 0b0010_0000;
pub const INTCN : u8 = 0b0000_0100;
pub const BUSY : u8 = 0b0000_0100;
diff --git a/tests/configuration.rs b/tests/configuration.rs
index 04cd333..cb0f9f4 100644
--- a/tests/configuration.rs
+++ b/tests/configuration.rs
@@ -62,3 +62,6 @@ get_param_test!(get_aging_offset_max, get_aging_offset, AGING_OFFSET, 127, 127)
call_method_test!(int_sqw_out_int, use_int_sqw_output_as_interrupt, CONTROL, CONTROL_POR_VALUE | BF::INTCN);
call_method_test!(int_sqw_out_sqw, use_int_sqw_output_as_square_wave, CONTROL, CONTROL_POR_VALUE & !BF::INTCN);
+call_method_test!(enable_sqw, enable_square_wave, CONTROL, CONTROL_POR_VALUE | BF::BBSQW);
+call_method_test!(disable_sqw, disable_square_wave, CONTROL, CONTROL_POR_VALUE & !BF::BBSQW);
+