From 14436ce1300a5d621b617d56ee037e09ce55ea0a Mon Sep 17 00:00:00 2001
From: xoviat <xoviat@users.noreply.github.com>
Date: Fri, 21 Nov 2025 08:22:31 -0600
Subject: adc: add test for wba

---
 tests/stm32/Cargo.toml     |  8 +++++++-
 tests/stm32/src/bin/adc.rs | 39 +++++++++++++++++++++++++++++++++++++++
 tests/stm32/src/common.rs  |  1 +
 3 files changed, 47 insertions(+), 1 deletion(-)
 create mode 100644 tests/stm32/src/bin/adc.rs

(limited to 'tests/stm32')

diff --git a/tests/stm32/Cargo.toml b/tests/stm32/Cargo.toml
index 8fcb6b2b4..496a9de18 100644
--- a/tests/stm32/Cargo.toml
+++ b/tests/stm32/Cargo.toml
@@ -32,7 +32,7 @@ stm32l552ze = ["embassy-stm32/stm32l552ze", "not-gpdma", "rng", "hash", "dual-ba
 stm32u585ai = ["embassy-stm32/stm32u585ai", "spi-v345", "chrono", "rng", "hash", "cordic"]
 stm32u5a5zj = ["embassy-stm32/stm32u5a5zj", "spi-v345", "chrono", "rng", "hash"] # FIXME: cordic test cause it crash
 stm32wb55rg = ["embassy-stm32/stm32wb55rg", "chrono", "not-gpdma", "ble", "mac" , "rng", "hsem", "stop"]
-stm32wba52cg = ["embassy-stm32/stm32wba52cg", "spi-v345", "chrono", "rng", "hash"]
+stm32wba52cg = ["embassy-stm32/stm32wba52cg", "spi-v345", "chrono", "rng", "hash", "adc"]
 stm32wl55jc = ["embassy-stm32/stm32wl55jc-cm4", "not-gpdma", "rng", "chrono", "hsem"]
 stm32f091rc = ["embassy-stm32/stm32f091rc", "cm0", "not-gpdma", "chrono"]
 stm32h503rb = ["embassy-stm32/stm32h503rb", "spi-v345", "rng", "stop"]
@@ -56,6 +56,7 @@ mac = ["dep:embassy-stm32-wpan", "embassy-stm32-wpan/mac"]
 embassy-stm32-wpan = []
 not-gpdma = []
 dac = []
+adc = []
 ucpd = []
 cordic = ["dep:num-traits"]
 hsem = []
@@ -110,6 +111,11 @@ name = "afio"
 path = "src/bin/afio.rs"
 required-features = [ "afio",]
 
+[[bin]]
+name = "adc"
+path = "src/bin/adc.rs"
+required-features = [ "adc",]
+
 [[bin]]
 name = "can"
 path = "src/bin/can.rs"
diff --git a/tests/stm32/src/bin/adc.rs b/tests/stm32/src/bin/adc.rs
new file mode 100644
index 000000000..6cedc6498
--- /dev/null
+++ b/tests/stm32/src/bin/adc.rs
@@ -0,0 +1,39 @@
+#![no_std]
+#![no_main]
+
+// required-features: dac
+
+#[path = "../common.rs"]
+mod common;
+
+use common::*;
+use embassy_executor::Spawner;
+use embassy_stm32::adc::{Adc, SampleTime};
+use embassy_time::Timer;
+use {defmt_rtt as _, panic_probe as _};
+
+#[embassy_executor::main]
+async fn main(_spawner: Spawner) {
+    // Initialize the board and obtain a Peripherals instance
+    let p: embassy_stm32::Peripherals = init();
+
+    let adc = peri!(p, ADC);
+    let mut adc_pin = peri!(p, DAC_PIN);
+
+    let mut adc = Adc::new_adc4(adc);
+
+    // Now wait a little to obtain a stable value
+    Timer::after_millis(30).await;
+    let _ = adc.blocking_read(&mut adc_pin, SampleTime::from_bits(0));
+
+    for _ in 0..=255 {
+        // Now wait a little to obtain a stable value
+        Timer::after_millis(30).await;
+
+        // Need to steal the peripherals here because PA4 is obviously in use already
+        let _ = adc.blocking_read(&mut adc_pin, SampleTime::from_bits(0));
+    }
+
+    info!("Test OK");
+    cortex_m::asm::bkpt();
+}
diff --git a/tests/stm32/src/common.rs b/tests/stm32/src/common.rs
index 096cce947..9f88b182a 100644
--- a/tests/stm32/src/common.rs
+++ b/tests/stm32/src/common.rs
@@ -259,6 +259,7 @@ define_peris!(
 define_peris!(
     UART = LPUART1, UART_TX = PB5, UART_RX = PA10, UART_TX_DMA = GPDMA1_CH0, UART_RX_DMA = GPDMA1_CH1,
     SPI = SPI1, SPI_SCK = PB4, SPI_MOSI = PA15, SPI_MISO = PB3, SPI_TX_DMA = GPDMA1_CH0, SPI_RX_DMA = GPDMA1_CH1,
+    ADC = ADC4, DAC_PIN = PA0,
     @irq UART = {LPUART1 => embassy_stm32::usart::InterruptHandler<embassy_stm32::peripherals::LPUART1>;},
 );
 #[cfg(feature = "stm32h7s3l8")]
-- 
cgit