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ionpak-thermostat
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configure Ethernet LED

This commit is contained in:
Sebastien Bourdeauducq 2017-08-07 16:36:21 +08:00
parent d812932732
commit 3059720430
3 changed files with 11 additions and 11 deletions
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18
firmware/src/board.rs
View File

@ -2,8 +2,8 @@ use cortex_m;
use tm4c129x;
const LED1: u8 = 0x10; // PF1
const LED2: u8 = 0x40; // PF3
const LED1: u8 = 0x10; // PK4
const LED2: u8 = 0x40; // PK6
const HV_PWM: u8 = 0x01; // PF0
const FV_PWM: u8 = 0x04; // PF2
@ -46,18 +46,13 @@ pub const FBI_R224: f32 = 39.0;
pub const FBI_R225: f32 = 22000.0;
pub fn set_led(nr: u8, state: bool) {
let bit = match nr {
1 => LED1,
2 => LED2,
_ => panic!("unknown LED")
};
pub fn set_led(state: bool) {
cortex_m::interrupt::free(|cs| {
let gpio_k = tm4c129x::GPIO_PORTK.borrow(cs);
if state {
gpio_k.data.modify(|r, w| w.data().bits(r.data().bits() | bit))
gpio_k.data.modify(|r, w| w.data().bits(r.data().bits() | LED2))
} else {
gpio_k.data.modify(|r, w| w.data().bits(r.data().bits() & !bit))
gpio_k.data.modify(|r, w| w.data().bits(r.data().bits() & !LED2))
}
});
}
@ -226,6 +221,9 @@ pub fn init() {
let gpio_k = tm4c129x::GPIO_PORTK.borrow(cs);
gpio_k.dir.write(|w| w.dir().bits(LED1|LED2));
gpio_k.den.write(|w| w.den().bits(LED1|LED2));
// Switch LED1 to LAN mode
gpio_k.afsel.modify(|_, w| w.afsel().bits(LED1));
gpio_k.pctl.modify(|_, w| unsafe { w.pmc4().bits(5) }); // EN0LED0
// Set up gain and emission range control pins
let gpio_p = tm4c129x::GPIO_PORTP.borrow(cs);

2
firmware/src/main.rs
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@ -239,7 +239,7 @@ fn main() {
if time > next_blink {
led_state = !led_state;
next_blink = time + 500;
board::set_led(1, led_state);
board::set_led(led_state);
}
board::process_errors();

2
hardware/errata.md
View File

@ -35,3 +35,5 @@ Rev 1
* add 15M (TBC) resistor between A and FIL-
* power U200 from a small negative voltage instead of GND
* review choice of filament flyback output diode
* invert LED position so that the Ethernet LED is closest to the connector
* invert polarity of LEDs (Ethernet LED polarity cannot be programmed)