remove unnesessary into_alternate

Author: burrbull

examples/analog-stopwatch-with-spi-ssd1306.rs

@@ -90,9 +90,9 @@ fn main() -> ! {
     //cs - pe4
     //dc - pe3
 
-    let sck = gpioe.pe2.into_alternate();
-    let miso = gpioe.pe5.into_alternate();
-    let mosi = gpioe.pe6.into_alternate();
+    let sck = gpioe.pe2;
+    let miso = gpioe.pe5;
+    let mosi = gpioe.pe6;
 
     let spi = Spi::new(
         dp.SPI4,

examples/blinky.rs

@@ -0,0 +1,30 @@
+//! Blinks an LED
+
+#![deny(unsafe_code)]
+#![deny(warnings)]
+#![no_main]
+#![no_std]
+
+use panic_halt as _;
+
+use stm32f4xx_hal as hal;
+
+use crate::hal::{pac, prelude::*};
+use cortex_m_rt::entry;
+
+#[entry]
+fn main() -> ! {
+    let p = pac::Peripherals::take().unwrap();
+
+    let gpioc = p.GPIOC.split();
+    let mut led = gpioc.pc13.into_push_pull_output();
+
+    loop {
+        for _ in 0..10_000 {
+            led.set_high();
+        }
+        for _ in 0..10_000 {
+            led.set_low();
+        }
+    }
+}

examples/can-send.rs

@@ -25,8 +25,8 @@ fn main() -> ! {
 
     let gpiob = dp.GPIOB.split();
     let mut can1 = {
-        let rx = gpiob.pb8.into_alternate::<9>();
-        let tx = gpiob.pb9.into_alternate();
+        let rx = gpiob.pb8;
+        let tx = gpiob.pb9;
 
         // let can = Can::new(dp.CAN1, (tx, rx));
         // or
@@ -44,8 +44,8 @@ fn main() -> ! {
     filters.enable_bank(0, Fifo::Fifo0, Mask32::accept_all());
 
     let _can2 = {
-        let tx = gpiob.pb13.into_alternate();
-        let rx = gpiob.pb12.into_alternate();
+        let tx = gpiob.pb13;
+        let rx = gpiob.pb12;
 
         let can = dp.CAN2.can((tx, rx));
 

examples/display-touch.rs

@@ -161,31 +161,12 @@ fn main() -> ! {
     // STM32F412 uses I2c1 type for i2c bus.
     // The pins are mentioned in documentation -um2135-discovery-kit-with-stm32f412zg-mcu-stmicroelectronics
     #[cfg(feature = "stm32f412")]
-    let mut i2c = {
-        I2c::new(
-            p.I2C1,
-            (
-                gpiob.pb6.into_alternate_open_drain(), //scl pin
-                gpiob.pb7.into_alternate_open_drain(), //sda pin
-            ),
-            400.kHz(),
-            &clocks,
-        )
-    };
+    let mut i2c = { I2c::new(p.I2C1, (gpiob.pb6, gpiob.pb7), 400.kHz(), &clocks) };
 
     // STM32F413 uses FMPI2C1 type.
     // The pins are mentioned in documentation -um2135-discovery-kit-with-stm32f413zh-mcu-stmicroelectronics
     #[cfg(feature = "stm32f413")]
-    let mut i2c = {
-        FMPI2c::new(
-            p.FMPI2C1,
-            (
-                gpioc.pc6.into_alternate_open_drain(), // scl pin
-                gpioc.pc7.into_alternate_open_drain(), // sda pin
-            ),
-            400.kHz(),
-        )
-    };
+    let mut i2c = { FMPI2c::new(p.FMPI2C1, (gpioc.pc6, gpioc.pc7), 400.kHz()) };
 
     #[cfg(feature = "stm32f412")]
     let ts_int = gpiog.pg5.into_pull_down_input();

examples/ist7920-bidi-normal-spi.rs

@@ -30,7 +30,7 @@ fn main() -> ! {
 
     let sck = gpiob.pb3.into_alternate();
     let miso = NoMiso::new();
-    let mosi = gpiob.pb5.into_alternate();
+    let mosi = gpiob.pb5;
 
     let dc = gpiob.pb4.into_push_pull_output();
     let mut res = gpiob.pb10.into_push_pull_output();

examples/pwm-input.rs

@@ -31,7 +31,7 @@ fn main() -> ! {
         ch1.enable();
 
         // Configure a pin into TIM8_CH1 mode, which will be used to observe an input PWM signal.
-        let pwm_reader_ch1 = gpioc.pc6.into_alternate();
+        let pwm_reader_ch1 = gpioc.pc6;
 
         // configure tim8 as a PWM input, using the best-guess frequency of the input signal.
         let monitor = Timer::new(dp.TIM8, &clocks).pwm_input(500.Hz(), pwm_reader_ch1);

examples/qei.rs

@@ -36,7 +36,7 @@ fn main() -> ! {
     let gpioa = dp.GPIOA.split();
 
     // Connect a rotary encoder to pins A0 and A1.
-    let rotary_encoder_pins = (gpioa.pa0.into_alternate(), gpioa.pa1.into_alternate());
+    let rotary_encoder_pins = (gpioa.pa0, gpioa.pa1);
     let rotary_encoder_timer = dp.TIM2;
     let rotary_encoder = Qei::new(rotary_encoder_timer, rotary_encoder_pins);
 

examples/rng-display.rs

@@ -71,8 +71,8 @@ fn main() -> ! {
         // as per the STM32F407 datasheet. Pin assignment as per the
         // stm32f4-discovery (ST32F407G-DISC1) board.
         let gpiob = dp.GPIOB.split();
-        let scl = gpiob.pb8.into_alternate().set_open_drain();
-        let sda = gpiob.pb9.into_alternate().set_open_drain();
+        let scl = gpiob.pb8;
+        let sda = gpiob.pb9;
         let i2c = I2c::new(dp.I2C1, (scl, sda), 400.kHz(), &clocks);
 
         // Set up the display

examples/rtic-serial-dma-rx-idle.rs

@@ -67,7 +67,7 @@ mod app {
         let gpioa = dp.GPIOA.split();
 
         // Initialize UART with DMA events
-        let rx_pin = gpioa.pa10.into_alternate();
+        let rx_pin = gpioa.pa10;
         let mut rx = dp
             .USART1
             .rx(

examples/rtic-spi-slave-dma.rs

@@ -70,7 +70,7 @@ mod app {
 
         let sck = gpiob.pb3.into_alternate();
         let miso = gpiob.pb4.into_alternate();
-        let mosi = gpiob.pb5.into_alternate();
+        let mosi = gpiob.pb5;
 
         let mode = Mode {
             polarity: Polarity::IdleLow,