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Diffstat (limited to 'examples/mcxa/src/bin/adc_polling.rs')
-rw-r--r--examples/mcxa/src/bin/adc_polling.rs58
1 files changed, 34 insertions, 24 deletions
diff --git a/examples/mcxa/src/bin/adc_polling.rs b/examples/mcxa/src/bin/adc_polling.rs
index 07c50f224..5c4d5524c 100644
--- a/examples/mcxa/src/bin/adc_polling.rs
+++ b/examples/mcxa/src/bin/adc_polling.rs
@@ -2,12 +2,15 @@
2#![no_main] 2#![no_main]
3 3
4use embassy_executor::Spawner; 4use embassy_executor::Spawner;
5use embassy_mcxa_examples::init_adc_pins; 5use embassy_mcxa::adc::{ConvCommandConfig, ConvTriggerConfig};
6use hal::adc::{ConvResult, LpadcConfig, TriggerPriorityPolicy}; 6use embassy_time::{Duration, Ticker};
7use hal::adc::{Adc, LpadcConfig, TriggerPriorityPolicy};
7use hal::clocks::PoweredClock; 8use hal::clocks::PoweredClock;
9use hal::clocks::config::Div8;
8use hal::clocks::periph_helpers::{AdcClockSel, Div4}; 10use hal::clocks::periph_helpers::{AdcClockSel, Div4};
11use hal::config::Config;
9use hal::pac::adc1::cfg::{Pwrsel, Refsel}; 12use hal::pac::adc1::cfg::{Pwrsel, Refsel};
10use hal::pac::adc1::cmdl1::{Adch, Mode}; 13use hal::pac::adc1::cmdl1::Mode;
11use hal::pac::adc1::ctrl::CalAvgs; 14use hal::pac::adc1::ctrl::CalAvgs;
12use hal::pac::adc1::tctrl::Tcmd; 15use hal::pac::adc1::tctrl::Tcmd;
13use {defmt_rtt as _, embassy_mcxa as hal, panic_probe as _}; 16use {defmt_rtt as _, embassy_mcxa as hal, panic_probe as _};
@@ -16,11 +19,10 @@ const G_LPADC_RESULT_SHIFT: u32 = 0;
16 19
17#[embassy_executor::main] 20#[embassy_executor::main]
18async fn main(_spawner: Spawner) { 21async fn main(_spawner: Spawner) {
19 let p = hal::init(hal::config::Config::default()); 22 let mut config = Config::default();
23 config.clock_cfg.sirc.fro_lf_div = Div8::from_divisor(1);
20 24
21 unsafe { 25 let p = hal::init(config);
22 init_adc_pins();
23 }
24 26
25 defmt::info!("=== ADC polling Example ==="); 27 defmt::info!("=== ADC polling Example ===");
26 28
@@ -34,35 +36,43 @@ async fn main(_spawner: Spawner) {
34 trigger_priority_policy: TriggerPriorityPolicy::ConvPreemptImmediatelyNotAutoResumed, 36 trigger_priority_policy: TriggerPriorityPolicy::ConvPreemptImmediatelyNotAutoResumed,
35 enable_conv_pause: false, 37 enable_conv_pause: false,
36 conv_pause_delay: 0, 38 conv_pause_delay: 0,
37 fifo_watermark: 0,
38 power: PoweredClock::NormalEnabledDeepSleepDisabled, 39 power: PoweredClock::NormalEnabledDeepSleepDisabled,
39 source: AdcClockSel::FroLfDiv, 40 source: AdcClockSel::FroLfDiv,
40 div: Div4::no_div(), 41 div: Div4::no_div(),
41 }; 42 };
42 let adc = hal::adc::Adc::<hal::adc::Adc1>::new(p.ADC1, adc_config); 43 let adc = Adc::new_blocking(p.ADC1, p.P1_10, adc_config).unwrap();
43 44
44 adc.do_offset_calibration(); 45 adc.do_offset_calibration();
45 adc.do_auto_calibration(); 46 adc.do_auto_calibration();
46 47
47 let mut conv_command_config = adc.get_default_conv_command_config(); 48 let conv_command_config = ConvCommandConfig {
48 conv_command_config.channel_number = Adch::SelectCorrespondingChannel8; 49 conversion_resolution_mode: Mode::Data16Bits,
49 conv_command_config.conversion_resolution_mode = Mode::Data16Bits; 50 ..ConvCommandConfig::default()
50 adc.set_conv_command_config(1, &conv_command_config); 51 };
52 adc.set_conv_command_config(1, &conv_command_config).unwrap();
51 53
52 let mut conv_trigger_config = adc.get_default_conv_trigger_config(); 54 let conv_trigger_config = ConvTriggerConfig {
53 conv_trigger_config.target_command_id = Tcmd::ExecuteCmd1; 55 target_command_id: Tcmd::ExecuteCmd1,
54 conv_trigger_config.enable_hardware_trigger = false; 56 enable_hardware_trigger: false,
55 adc.set_conv_trigger_config(0, &conv_trigger_config); 57 ..Default::default()
58 };
59 adc.set_conv_trigger_config(0, &conv_trigger_config).unwrap();
56 60
57 defmt::info!("=== ADC configuration done... ==="); 61 defmt::info!("=== ADC configuration done... ===");
62 let mut tick = Ticker::every(Duration::from_millis(100));
58 63
59 loop { 64 loop {
60 adc.do_software_trigger(1); 65 tick.next().await;
61 let mut result: Option<ConvResult> = None; 66 adc.do_software_trigger(1).unwrap();
62 while result.is_none() { 67 let result = loop {
63 result = hal::adc::get_conv_result(); 68 match adc.get_conv_result() {
64 } 69 Ok(res) => break res,
65 let value = result.unwrap().conv_value >> G_LPADC_RESULT_SHIFT; 70 Err(_) => {
66 defmt::info!("value: {=u16}", value); 71 // Conversion not ready, continue polling
72 }
73 }
74 };
75 let value = result.conv_value >> G_LPADC_RESULT_SHIFT;
76 defmt::info!("ADC value: {=u16}", value);
67 } 77 }
68} 78}