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Firmware: EFC enables error led when going panic

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linuswck 2023-09-05 14:46:31 +08:00 committed by Sébastien Bourdeauducq
parent a619c9f3c2
commit b49fb841ce
1 changed files with 26 additions and 0 deletions
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26
artiq/firmware/satman/main.rs
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@ -656,6 +656,24 @@ pub extern fn main() -> i32 {
}
}
#[cfg(soc_platform = "efc")]
fn enable_error_led() {
let mut io_expander = board_misoc::io_expander::IoExpander::new().unwrap();
// Keep LEDs enabled
io_expander.set_oe(0, 1 << 5 | 1 << 6 | 1 << 7).unwrap();
// Enable Error LED
io_expander.set(0, 7, true);
// Keep VADJ and P3V3_FMC enabled
io_expander.set_oe(1, 1 << 0 | 1 << 1).unwrap();
io_expander.set(1, 0, true);
io_expander.set(1, 1, true);
io_expander.service().unwrap();
}
#[no_mangle]
pub extern fn exception(_regs: *const u32) {
let pc = mepc::read();
@ -695,8 +713,16 @@ pub fn panic_fmt(info: &core::panic::PanicInfo) -> ! {
if let Some(location) = info.location() {
print!("panic at {}:{}:{}", location.file(), location.line(), location.column());
#[cfg(soc_platform = "efc")]
{
if location.file() != "libboard_misoc/io_expander.rs" {
enable_error_led();
}
}
} else {
print!("panic at unknown location");
#[cfg(soc_platform = "efc")]
enable_error_led();
}
if let Some(message) = info.message() {
println!(": {}", message);