jacob/ece-475-tm4c123gxl-rust
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J / Jacob Babich
2022-04-14 16:03:09 -04:00
parent 273d9308ec
commit d60800ae22
2 changed files with 66 additions and 22 deletions
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33
src/main.rs
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@@ -78,26 +78,26 @@ fn setup_port_f() {
// ptr::write_volatile(GPIO_PORTF_AFSEL_R, 0x00);
// }
// enable pull-up on PF0 and PF4
unsafe {
ptr::write_volatile(GPIO_PORTF_PUR_R, 0x11);
}
// unsafe {
// ptr::write_volatile(GPIO_PORTF_PUR_R, 0x11);
// }
// 7) enable digital I/O on PF4-0
unsafe {
ptr::write_volatile(GPIO_PORTF_DEN_R, 0x1F);
}
// unsafe {
// ptr::write_volatile(GPIO_PORTF_DEN_R, 0x1F);
// }
}
fn input_from_port_f() -> u32 {
unsafe {
ptr::read_volatile(GPIO_PORTF_DATA_R) & u32::from(SW1 | SW2)
}
}
// fn input_from_port_f() -> u32 {
// unsafe {
// ptr::read_volatile(GPIO_PORTF_DATA_R) & u32::from(SW1 | SW2)
// }
// }
fn output_to_port_f(value: u8) {
unsafe {
ptr::write_volatile(GPIO_PORTF_DATA_R, u32::from(value));
}
}
// fn output_to_port_f(value: u8) {
// unsafe {
// ptr::write_volatile(GPIO_PORTF_DATA_R, u32::from(value));
// }
// }
#[entry]
fn main() -> ! {
@@ -106,6 +106,7 @@ fn main() -> ! {
let switches = port_f.setup_readable_pins(&[Bit::Zero, Bit::Four], ReadablePinSetup {
function: Function::Digital,
pull_up: Some(true),
});
let [sw1, sw2] = switches.pins();