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ionpak-thermostat
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Report error pin status

This commit is contained in:
Sebastien Bourdeauducq 2017-05-06 12:33:38 +08:00
parent 1069944ea2
commit 8abeff05a1
1 changed files with 36 additions and 1 deletions
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37
firmware/src/main.rs
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@ -26,6 +26,12 @@ const IC_ADC: u8 = 0x08; // PE3
const FBV_ADC: u8 = 0x20; // PD5
const AV_ADC: u8 = 0x40; // PD6
const FV_ERRN: u8 = 0x01; // PL0
const FBV_ERRN: u8 = 0x02; // PL1
const FBI_ERRN: u8 = 0x04; // PL2
const AV_ERRN: u8 = 0x08; // PL3
const AI_ERRN: u8 = 0x10; // PL4
const PWM_LOAD: u16 = (/*pwmclk*/16_000_000u32 / /*freq*/100_000) as u16;
const ADC_TIMER_LOAD: u32 = /*timerclk*/16_000_000 / /*freq*/100;
@ -93,13 +99,14 @@ fn main() {
systick.enable_counter();
systick.enable_interrupt();
// Bring up GPIO ports D, E, F, G, K, P
// Bring up GPIO ports D, E, F, G, K, L, P
sysctl.rcgcgpio.modify(|_, w| {
w.r3().bit(true)
.r4().bit(true)
.r5().bit(true)
.r6().bit(true)
.r9().bit(true)
.r10().bit(true)
.r13().bit(true)
});
while !sysctl.prgpio.read().r3().bit() {}
@ -107,6 +114,7 @@ fn main() {
while !sysctl.prgpio.read().r5().bit() {}
while !sysctl.prgpio.read().r6().bit() {}
while !sysctl.prgpio.read().r9().bit() {}
while !sysctl.prgpio.read().r10().bit() {}
while !sysctl.prgpio.read().r13().bit() {}
// Set up LEDs
@ -119,6 +127,11 @@ fn main() {
gpio_p.dir.write(|w| w.dir().bits(0b111111));
gpio_p.den.write(|w| w.den().bits(0b111111));
// Set up error input pins
let gpio_l = tm4c129x::GPIO_PORTL.borrow(cs);
gpio_l.pur.write(|w| w.pue().bits(FV_ERRN|FBV_ERRN|FBI_ERRN|AV_ERRN|AI_ERRN));
gpio_l.den.write(|w| w.den().bits(FV_ERRN|FBV_ERRN|FBI_ERRN|AV_ERRN|AI_ERRN));
// Set up PWMs
let gpio_f = tm4c129x::GPIO_PORTF_AHB.borrow(cs);
gpio_f.dir.write(|w| w.dir().bits(HV_PWM|FV_PWM));
@ -212,6 +225,28 @@ fn main() {
set_fv_pwm(PWM_LOAD/16);
set_fbv_pwm(PWM_LOAD/8);
});
loop {
cortex_m::interrupt::free(|cs| {
let gpio_l = tm4c129x::GPIO_PORTL.borrow(cs);
let errors_n = gpio_l.data.read().bits() as u8;
if errors_n & FV_ERRN == 0 {
hprintln!("Filament overvolt");
}
if errors_n & FBV_ERRN == 0 {
hprintln!("Filament bias overvolt");
}
if errors_n & FBI_ERRN == 0 {
hprintln!("Filament bias overcurrent");
}
if errors_n & AV_ERRN == 0 {
hprintln!("Anode overvolt");
}
if errors_n & AI_ERRN == 0 {
hprintln!("Anode overcurrent");
}
});
}
}