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ionpak-thermostat
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put ADC in continuous sample mode

This commit is contained in:
Sebastien Bourdeauducq 2017-05-08 23:24:23 +08:00
parent ecadb7c996
commit 252b8eeb28
1 changed files with 1 additions and 14 deletions
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15
firmware/src/main.rs
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@ -53,7 +53,6 @@ const ERR_LATCHN: u8 = 0x20; // PL5
const ERR_RESN: u8 = 0x01; // PQ0 const ERR_RESN: u8 = 0x01; // PQ0
const PWM_LOAD: u16 = (/*pwmclk*/16_000_000u32 / /*freq*/100_000) as u16; const PWM_LOAD: u16 = (/*pwmclk*/16_000_000u32 / /*freq*/100_000) as u16;
const ADC_TIMER_LOAD: u32 = /*timerclk*/16_000_000 / /*freq*/100;
fn set_led(nr: u8, state: bool) { fn set_led(nr: u8, state: bool) {
@ -240,7 +239,7 @@ fn main() {
// fADC=32 MHz // fADC=32 MHz
adc0.cc.write(|w| w.cs().syspll().clkdiv().bits(10)); adc0.cc.write(|w| w.cs().syspll().clkdiv().bits(10));
adc0.im.write(|w| w.mask0().bit(true)); adc0.im.write(|w| w.mask0().bit(true));
adc0.emux.write(|w| w.em0().timer()); adc0.emux.write(|w| w.em0().always());
adc0.ssmux0.write(|w| { adc0.ssmux0.write(|w| {
w.mux0().bits(0) // IC_ADC w.mux0().bits(0) // IC_ADC
.mux1().bits(1) // FBI_ADC .mux1().bits(1) // FBI_ADC
@ -264,18 +263,6 @@ fn main() {
nvic.enable(Interrupt::ADC0SS0); nvic.enable(Interrupt::ADC0SS0);
// Set up ADC timer
sysctl.rcgctimer.modify(|_, w| w.r0().bit(true));
while !sysctl.prtimer.read().r0().bit() {}
let timer0 = tm4c129x::TIMER0.borrow(cs);
timer0.cfg.write(|w| w.cfg()._32_bit_timer());
timer0.tamr.write(|w| w.tamr().period());
timer0.tailr.write(|w| unsafe { w.bits(ADC_TIMER_LOAD) });
timer0.ctl.write(|w| w.taote().bit(true));
timer0.adcev.write(|w| w.tatoadcen().bit(true));
timer0.cc.write(|w| w.altclk().bit(true));
timer0.ctl.modify(|_, w| w.taen().bit(true));
set_emission_range(EmissionRange::Med); set_emission_range(EmissionRange::Med);
HV_PID.borrow(cs).borrow_mut().set_target(200.0); HV_PID.borrow(cs).borrow_mut().set_target(200.0);