merge new embassy changes

6 files changed, 174 insertions, 16 deletions

diff --git a/examples/stm32g4/src/bin/adc_differential.rs b/examples/stm32g4/src/bin/adc_differential.rs
new file mode 100644
index 000000000..78d071d45
--- /dev/null
+++ b/examples/stm32g4/src/bin/adc_differential.rs
@@ -0,0 +1,47 @@
+//! adc differential mode example
+//!
+//! This example uses adc1 in differential mode
+//! p:pa0 n:pa1
+
+#![no_std]
+#![no_main]
+
+use defmt::*;
+use embassy_executor::Spawner;
+use embassy_stm32::adc::{Adc, SampleTime};
+use embassy_stm32::Config;
+use embassy_time::Timer;
+use {defmt_rtt as _, panic_probe as _};
+
+#[embassy_executor::main]
+async fn main(_spawner: Spawner) {
+    let mut config = Config::default();
+    {
+        use embassy_stm32::rcc::*;
+        config.rcc.pll = Some(Pll {
+            source: PllSource::HSI,
+            prediv: PllPreDiv::DIV4,
+            mul: PllMul::MUL85,
+            divp: None,
+            divq: None,
+            // Main system clock at 170 MHz
+            divr: Some(PllRDiv::DIV2),
+        });
+        config.rcc.mux.adc12sel = mux::Adcsel::SYS;
+        config.rcc.sys = Sysclk::PLL1_R;
+    }
+    let mut p = embassy_stm32::init(config);
+
+    let mut adc = Adc::new(p.ADC1);
+    adc.set_sample_time(SampleTime::CYCLES247_5);
+    adc.set_differential(&mut p.PA0, true); //p:pa0,n:pa1
+
+    // can also use
+    // adc.set_differential_channel(1, true);
+    info!("adc initialized");
+    loop {
+        let measured = adc.blocking_read(&mut p.PA0);
+        info!("data: {}", measured);
+        Timer::after_millis(500).await;
+    }
+}
diff --git a/examples/stm32g4/src/bin/adc_dma.rs b/examples/stm32g4/src/bin/adc_dma.rs
new file mode 100644
index 000000000..202704085
--- /dev/null
+++ b/examples/stm32g4/src/bin/adc_dma.rs
@@ -0,0 +1,60 @@
+#![no_std]
+#![no_main]
+
+use defmt::*;
+use embassy_executor::Spawner;
+use embassy_stm32::adc::{Adc, AdcChannel as _, SampleTime};
+use embassy_stm32::Config;
+use embassy_time::Timer;
+use {defmt_rtt as _, panic_probe as _};
+
+static mut DMA_BUF: [u16; 2] = [0; 2];
+
+#[embassy_executor::main]
+async fn main(_spawner: Spawner) {
+    let mut read_buffer = unsafe { &mut DMA_BUF[..] };
+
+    let mut config = Config::default();
+    {
+        use embassy_stm32::rcc::*;
+        config.rcc.pll = Some(Pll {
+            source: PllSource::HSI,
+            prediv: PllPreDiv::DIV4,
+            mul: PllMul::MUL85,
+            divp: None,
+            divq: None,
+            // Main system clock at 170 MHz
+            divr: Some(PllRDiv::DIV2),
+        });
+        config.rcc.mux.adc12sel = mux::Adcsel::SYS;
+        config.rcc.sys = Sysclk::PLL1_R;
+    }
+    let p = embassy_stm32::init(config);
+
+    info!("Hello World!");
+
+    let mut adc = Adc::new(p.ADC1);
+
+    let mut dma = p.DMA1_CH1;
+    let mut vrefint_channel = adc.enable_vrefint().degrade_adc();
+    let mut pa0 = p.PA0.degrade_adc();
+
+    loop {
+        adc.read(
+            dma.reborrow(),
+            [
+                (&mut vrefint_channel, SampleTime::CYCLES247_5),
+                (&mut pa0, SampleTime::CYCLES247_5),
+            ]
+            .into_iter(),
+            &mut read_buffer,
+        )
+        .await;
+
+        let vrefint = read_buffer[0];
+        let measured = read_buffer[1];
+        info!("vrefint: {}", vrefint);
+        info!("measured: {}", measured);
+        Timer::after_millis(500).await;
+    }
+}
diff --git a/examples/stm32g4/src/bin/adc_oversampling.rs b/examples/stm32g4/src/bin/adc_oversampling.rs
new file mode 100644
index 000000000..d31eb20f8
--- /dev/null
+++ b/examples/stm32g4/src/bin/adc_oversampling.rs
@@ -0,0 +1,57 @@
+//! adc oversampling example
+//!
+//! This example uses adc oversampling to achieve 16bit data
+
+#![no_std]
+#![no_main]
+
+use defmt::*;
+use embassy_executor::Spawner;
+use embassy_stm32::adc::vals::{Rovsm, Trovs};
+use embassy_stm32::adc::{Adc, SampleTime};
+use embassy_stm32::Config;
+use embassy_time::Timer;
+use {defmt_rtt as _, panic_probe as _};
+
+#[embassy_executor::main]
+async fn main(_spawner: Spawner) {
+    let mut config = Config::default();
+    {
+        use embassy_stm32::rcc::*;
+        config.rcc.pll = Some(Pll {
+            source: PllSource::HSI,
+            prediv: PllPreDiv::DIV4,
+            mul: PllMul::MUL85,
+            divp: None,
+            divq: None,
+            // Main system clock at 170 MHz
+            divr: Some(PllRDiv::DIV2),
+        });
+        config.rcc.mux.adc12sel = mux::Adcsel::SYS;
+        config.rcc.sys = Sysclk::PLL1_R;
+    }
+    let mut p = embassy_stm32::init(config);
+
+    let mut adc = Adc::new(p.ADC1);
+    adc.set_sample_time(SampleTime::CYCLES6_5);
+    // From https://www.st.com/resource/en/reference_manual/rm0440-stm32g4-series-advanced-armbased-32bit-mcus-stmicroelectronics.pdf
+    // page652 Oversampler
+    // Table 172. Maximum output results vs N and M. Grayed values indicates truncation
+    // 0x00 oversampling ratio X2
+    // 0x01 oversampling ratio X4
+    // 0x02 oversampling ratio X8
+    // 0x03 oversampling ratio X16
+    // 0x04 oversampling ratio X32
+    // 0x05 oversampling ratio X64
+    // 0x06 oversampling ratio X128
+    // 0x07 oversampling ratio X256
+    adc.set_oversampling_ratio(0x03); // ratio X3
+    adc.set_oversampling_shift(0b0000); // no shift
+    adc.enable_regular_oversampling_mode(Rovsm::RESUMED, Trovs::AUTOMATIC, true);
+
+    loop {
+        let measured = adc.blocking_read(&mut p.PA0);
+        info!("data: 0x{:X}", measured); //max 0xFFF0 -> 65520
+        Timer::after_millis(500).await;
+    }
+}
diff --git a/examples/stm32g4/src/bin/pwm.rs b/examples/stm32g4/src/bin/pwm.rs
index d4809a481..6c965012c 100644
--- a/examples/stm32g4/src/bin/pwm.rs
+++ b/examples/stm32g4/src/bin/pwm.rs
@@ -6,7 +6,6 @@ use embassy_executor::Spawner;
 use embassy_stm32::gpio::OutputType;
 use embassy_stm32::time::khz;
 use embassy_stm32::timer::simple_pwm::{PwmPin, SimplePwm};
-use embassy_stm32::timer::Channel;
 use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
@@ -15,22 +14,22 @@ async fn main(_spawner: Spawner) {
     let p = embassy_stm32::init(Default::default());
     info!("Hello World!");
 
-    let ch1 = PwmPin::new_ch1(p.PC0, OutputType::PushPull);
-    let mut pwm = SimplePwm::new(p.TIM1, Some(ch1), None, None, None, khz(10), Default::default());
-    let max = pwm.get_max_duty();
-    pwm.enable(Channel::Ch1);
+    let ch1_pin = PwmPin::new_ch1(p.PC0, OutputType::PushPull);
+    let mut pwm = SimplePwm::new(p.TIM1, Some(ch1_pin), None, None, None, khz(10), Default::default());
+    let mut ch1 = pwm.ch1();
+    ch1.enable();
 
     info!("PWM initialized");
-    info!("PWM max duty {}", max);
+    info!("PWM max duty {}", ch1.max_duty_cycle());
 
     loop {
-        pwm.set_duty(Channel::Ch1, 0);
+        ch1.set_duty_cycle_fully_off();
         Timer::after_millis(300).await;
-        pwm.set_duty(Channel::Ch1, max / 4);
+        ch1.set_duty_cycle_fraction(1, 4);
         Timer::after_millis(300).await;
-        pwm.set_duty(Channel::Ch1, max / 2);
+        ch1.set_duty_cycle_fraction(1, 2);
         Timer::after_millis(300).await;
-        pwm.set_duty(Channel::Ch1, max - 1);
+        ch1.set_duty_cycle(ch1.max_duty_cycle() - 1);
         Timer::after_millis(300).await;
     }
 }
diff --git a/examples/stm32g4/src/bin/usb_c_pd.rs b/examples/stm32g4/src/bin/usb_c_pd.rs
index 7caea634f..2e87d3931 100644
--- a/examples/stm32g4/src/bin/usb_c_pd.rs
+++ b/examples/stm32g4/src/bin/usb_c_pd.rs
@@ -55,7 +55,7 @@ async fn main(_spawner: Spawner) {
 
     info!("Hello World!");
 
-    let mut ucpd = Ucpd::new(p.UCPD1, Irqs {}, p.PB6, p.PB4);
+    let mut ucpd = Ucpd::new(p.UCPD1, Irqs {}, p.PB6, p.PB4, Default::default());
     ucpd.cc_phy().set_pull(CcPull::Sink);
 
     info!("Waiting for USB connection...");
diff --git a/examples/stm32g4/src/bin/usb_serial.rs b/examples/stm32g4/src/bin/usb_serial.rs
index ed2ac7fac..9f66f0c53 100644
--- a/examples/stm32g4/src/bin/usb_serial.rs
+++ b/examples/stm32g4/src/bin/usb_serial.rs
@@ -51,11 +51,6 @@ async fn main(_spawner: Spawner) {
     config.product = Some("USB-Serial Example");
     config.serial_number = Some("123456");
 
-    config.device_class = 0xEF;
-    config.device_sub_class = 0x02;
-    config.device_protocol = 0x01;
-    config.composite_with_iads = true;
-
     let mut config_descriptor = [0; 256];
     let mut bos_descriptor = [0; 256];
     let mut control_buf = [0; 64];