jacob/ece-475-tm4c123gxl-rust
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add stuff

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This commit is contained in:
J / Jacob Babich
2022-04-13 14:13:33 -04:00
parent 816520ed77
commit 273d9308ec
14 changed files with 212 additions and 616 deletions
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74
src/main.rs
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@@ -65,18 +65,18 @@ fn setup_port_f() {
// unsafe { ptr::write_volatile(GPIOAMSEL_PORT_F, 0x00) }
// 4) PCTL GPIO on PF4-0
unsafe {
ptr::write_volatile(GPIO_PORTF_PCTL_R, 0x00000000);
}
// unsafe {
// ptr::write_volatile(GPIO_PORTF_PCTL_R, 0x00000000);
// }
// 5) PF4,PF0 in, PF3-1 out
// unsafe {
// ptr::write_volatile(GPIO_PORTF_DIR_R, 0x0E);
// }
// 6) disable alt funct on PF7-0
unsafe {
ptr::write_volatile(GPIO_PORTF_AFSEL_R, 0x00);
}
// unsafe {
// ptr::write_volatile(GPIO_PORTF_AFSEL_R, 0x00);
// }
// enable pull-up on PF0 and PF4
unsafe {
ptr::write_volatile(GPIO_PORTF_PUR_R, 0x11);
@@ -99,42 +99,44 @@ fn output_to_port_f(value: u8) {
}
}
// #[entry]
// fn main() -> ! {
// let board = setup_board();
// let port_f = board.setup_gpio_port(Port::F, PortSetup);
// let switches = port_f.setup_readable_pins([Bit::Zero, Bit::Four], ReadablePinSetup);
// let [sw1, sw2] = switches.pins();
// let mut rgb_led = port_f.setup_writable_pins(&[Bit::One, Bit::Three, Bit::Two], WritablePinSetup { drive: PinDrive::Digital });
// loop {
// match switches.read_all() {
// [L, L] => rgb_led.write_all([L, H, L]),
// [L, H] => rgb_led.write_all([L, L, H]),
// [H, L] => rgb_led.write_all([L, H, L]),
// [H, H] => rgb_led.write_all([L, L, L]),
// }
// }
// }
#[entry]
fn main() -> ! {
setup_port_f();
let board = setup_board();
let port_f = board.setup_gpio_port(Port::F, PortSetup);
let switches = port_f.setup_readable_pins(&[Bit::Zero, Bit::Four], ReadablePinSetup {
function: Function::Digital,
});
let [sw1, sw2] = switches.pins();
let mut rgb_led = port_f.setup_writable_pins(&[Bit::One, Bit::Three, Bit::Two], WritablePinSetup { function: Function::Digital });
loop {
let status = input_from_port_f();
match status {
0x00 => output_to_port_f(RED | GREEN),
0x01 => output_to_port_f(RED),
0x10 => output_to_port_f(GREEN),
0x11 => output_to_port_f(BLACK),
// Impossible case
_ => output_to_port_f(BLUE),
match switches.read_all() {
[L, L] => rgb_led.write_all([L, H, L]),
[L, H] => rgb_led.write_all([L, L, H]),
[H, L] => rgb_led.write_all([L, H, L]),
[H, H] => rgb_led.write_all([H, L, L]),
}
}
}
// #[entry]
// fn main() -> ! {
// setup_port_f();
// loop {
// let status = input_from_port_f();
// match status {
// 0x00 => output_to_port_f(RED | GREEN),
// 0x01 => output_to_port_f(RED),
// 0x10 => output_to_port_f(GREEN),
// 0x11 => output_to_port_f(BLACK),
// // Impossible case
// _ => output_to_port_f(BLUE),
// }
// }
// }
// TODO: implement an extremely simple example of the task system (using a timer trigger) that is a traffic light (green -> yellow -> red -> green...)