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authorMathis Deroo <[email protected]>2025-12-05 14:37:19 -0800
committerMathis Deroo <[email protected]>2025-12-09 10:51:55 -0800
commit1ccf45058db4e77ac2c59357cab196b659201b63 (patch)
treebfe1fa9c96db00b8551e44a67d4ecf65139d7061 /examples/mcxa/src/bin/adc_interrupt.rs
parent23623d634b88da7bc398f092ac4ab9e571c6e6e1 (diff)
ADC driver improvement
Signed-off-by: Mathis Deroo <[email protected]>
Diffstat (limited to 'examples/mcxa/src/bin/adc_interrupt.rs')
-rw-r--r--examples/mcxa/src/bin/adc_interrupt.rs42
1 files changed, 13 insertions, 29 deletions
diff --git a/examples/mcxa/src/bin/adc_interrupt.rs b/examples/mcxa/src/bin/adc_interrupt.rs
index c88b1fe8d..9db1173e3 100644
--- a/examples/mcxa/src/bin/adc_interrupt.rs
+++ b/examples/mcxa/src/bin/adc_interrupt.rs
@@ -2,35 +2,33 @@
2#![no_main] 2#![no_main]
3 3
4use embassy_executor::Spawner; 4use embassy_executor::Spawner;
5use embassy_mcxa_examples::init_adc_pins; 5use hal::adc::{Adc, LpadcConfig, TriggerPriorityPolicy, InterruptHandler};
6use hal::adc::{LpadcConfig, TriggerPriorityPolicy};
7use hal::clocks::PoweredClock; 6use hal::clocks::PoweredClock;
7use hal::config::Config;
8use hal::clocks::config::Div8;
8use hal::clocks::periph_helpers::{AdcClockSel, Div4}; 9use hal::clocks::periph_helpers::{AdcClockSel, Div4};
9use hal::pac::adc1::cfg::{Pwrsel, Refsel}; 10use hal::pac::adc1::cfg::{Pwrsel, Refsel};
10use hal::pac::adc1::cmdl1::{Adch, Mode}; 11use hal::pac::adc1::cmdl1::{Adch, Mode};
11use hal::pac::adc1::ctrl::CalAvgs; 12use hal::pac::adc1::ctrl::CalAvgs;
12use hal::pac::adc1::tctrl::Tcmd; 13use hal::pac::adc1::tctrl::Tcmd;
13use hal::{InterruptExt, bind_interrupts}; 14use hal::bind_interrupts;
15use hal::peripherals::ADC1;
14use {defmt_rtt as _, embassy_mcxa as hal, panic_probe as _}; 16use {defmt_rtt as _, embassy_mcxa as hal, panic_probe as _};
15 17
16bind_interrupts!(struct Irqs { 18bind_interrupts!(struct Irqs {
17 ADC1 => hal::adc::AdcHandler; 19 ADC1 => InterruptHandler<ADC1>;
18}); 20});
19 21
20#[used]
21#[no_mangle]
22static KEEP_ADC: unsafe extern "C" fn() = ADC1;
23 22
24#[embassy_executor::main] 23#[embassy_executor::main]
25async fn main(_spawner: Spawner) { 24async fn main(_spawner: Spawner) {
26 let p = hal::init(hal::config::Config::default()); 25 let mut config = Config::default();
26 config.clock_cfg.sirc.fro_lf_div = Div8::from_divisor(1);
27
28 let p = hal::init(config);
27 29
28 defmt::info!("ADC interrupt Example"); 30 defmt::info!("ADC interrupt Example");
29 31
30 unsafe {
31 init_adc_pins();
32 }
33
34 let adc_config = LpadcConfig { 32 let adc_config = LpadcConfig {
35 enable_in_doze_mode: true, 33 enable_in_doze_mode: true,
36 conversion_average_mode: CalAvgs::Average128, 34 conversion_average_mode: CalAvgs::Average128,
@@ -46,7 +44,7 @@ async fn main(_spawner: Spawner) {
46 source: AdcClockSel::FroLfDiv, 44 source: AdcClockSel::FroLfDiv,
47 div: Div4::no_div(), 45 div: Div4::no_div(),
48 }; 46 };
49 let adc = hal::adc::Adc::<hal::adc::Adc1>::new(p.ADC1, adc_config); 47 let mut adc = Adc::new(p.ADC1, p.P1_10, Irqs, adc_config);
50 48
51 adc.do_offset_calibration(); 49 adc.do_offset_calibration();
52 adc.do_auto_calibration(); 50 adc.do_auto_calibration();
@@ -63,22 +61,8 @@ async fn main(_spawner: Spawner) {
63 61
64 defmt::info!("ADC configuration done..."); 62 defmt::info!("ADC configuration done...");
65 63
66 adc.enable_interrupt(0x1);
67
68 unsafe {
69 hal::interrupt::ADC1.enable();
70 }
71
72 unsafe {
73 cortex_m::interrupt::enable();
74 }
75
76 loop { 64 loop {
77 adc.do_software_trigger(1); 65 let value = adc.read().await;
78 while !adc.is_interrupt_triggered() { 66 defmt::info!("*** ADC interrupt TRIGGERED! *** -- value: {}", value);
79 // Wait until the interrupt is triggered
80 }
81 defmt::info!("*** ADC interrupt TRIGGERED! ***");
82 //TBD need to print the value
83 } 67 }
84} 68}