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i2c: simplify ctor_common()

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This commit is contained in:
Harry Ho 2020-08-07 12:18:54 +08:00 committed by Gitea
parent fa07bdb681
commit 4614ed1371
1 changed files with 3 additions and 6 deletions
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9
libboard_zynq/src/i2c/mod.rs
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@ -10,9 +10,6 @@ use libregister::{RegisterR, RegisterRW, RegisterW};
const INVALID_BUS: &'static str = "Invalid I2C bus";
#[cfg(feature = "target_zc706")]
const GPIO_OUTPUT_MASK: u16 = 0xFFFF - 0x000C;
pub struct I2C {
regs: regs::RegisterWrapper,
count_down: super::timer::global::CountDown<Microseconds>
@ -43,10 +40,10 @@ impl I2C {
slcr.gpio_rst_ctrl.reset_gpio();
});
Self::ctor_common()
Self::ctor_common(0xFFFF - 0x000C)
}
fn ctor_common() -> Self {
fn ctor_common(gpio_output_mask: u16) -> Self {
// Setup register block
let clocks = Clocks::get();
let self_ = Self {
@ -56,7 +53,7 @@ impl I2C {
// Setup GPIO output mask
self_.regs.gpio_output_mask.modify(|_, w| {
w.mask(GPIO_OUTPUT_MASK)
w.mask(gpio_output_mask)
});
// Setup GPIO driver direction
self_.regs.gpio_direction.modify(|_, w| {