Remove the pac singleton function (#42)

There will be a follow up PR that removes the unsafe `init` functions,
but I wanted to squash this out first in case I don't get to it all today.

6 files changed, 8 insertions, 15 deletions

diff --git a/examples/src/bin/adc_interrupt.rs b/examples/src/bin/adc_interrupt.rs
index 9fed052fd..0d3a75a28 100644
--- a/examples/src/bin/adc_interrupt.rs
+++ b/examples/src/bin/adc_interrupt.rs
@@ -36,7 +36,7 @@ async fn main(_spawner: Spawner) {
 
     // Create UART instance using LPUART2 with P2_2 as TX and P2_3 as RX
     unsafe {
-        embassy_mcxa_examples::init_uart2_pins(hal::pac());
+        embassy_mcxa_examples::init_uart2_pins();
     }
     let mut uart = Lpuart::new_blocking(
         p.LPUART2, // Peripheral
@@ -48,7 +48,7 @@ async fn main(_spawner: Spawner) {
     uart.write_str_blocking("\r\n=== ADC interrupt Example ===\r\n");
 
     unsafe {
-        init_adc_pins(hal::pac());
+        init_adc_pins();
     }
 
     let adc_config = LpadcConfig {
diff --git a/examples/src/bin/adc_polling.rs b/examples/src/bin/adc_polling.rs
index 545f8f77a..02ac321b5 100644
--- a/examples/src/bin/adc_polling.rs
+++ b/examples/src/bin/adc_polling.rs
@@ -22,10 +22,6 @@ const G_LPADC_RESULT_SHIFT: u32 = 0;
 async fn main(_spawner: Spawner) {
     let p = hal::init(hal::config::Config::default());
 
-    unsafe {
-        init_uart2_pins(hal::pac());
-    }
-
     // Create UART configuration
     let config = Config {
         baudrate_bps: 115_200,
@@ -36,7 +32,8 @@ async fn main(_spawner: Spawner) {
 
     // Create UART instance using LPUART2 with P2_2 as TX and P2_3 as RX
     unsafe {
-        init_uart2_pins(hal::pac());
+        init_uart2_pins();
+        init_adc_pins();
     }
     let mut uart = Lpuart::new_blocking(
         p.LPUART2, // Peripheral
@@ -48,10 +45,6 @@ async fn main(_spawner: Spawner) {
 
     uart.write_str_blocking("\r\n=== ADC polling Example ===\r\n");
 
-    unsafe {
-        init_adc_pins(hal::pac());
-    }
-
     let adc_config = LpadcConfig {
         enable_in_doze_mode: true,
         conversion_average_mode: CalAvgs::Average128,
diff --git a/examples/src/bin/hello.rs b/examples/src/bin/hello.rs
index e2d0b413d..0362480c1 100644
--- a/examples/src/bin/hello.rs
+++ b/examples/src/bin/hello.rs
@@ -28,7 +28,7 @@ async fn main(_spawner: Spawner) {
 
     // Create UART instance using LPUART2 with P2_2 as TX and P2_3 as RX
     unsafe {
-        embassy_mcxa_examples::init_uart2_pins(hal::pac());
+        embassy_mcxa_examples::init_uart2_pins();
     }
     let mut uart = Lpuart::new_blocking(
         p.LPUART2, // Peripheral
diff --git a/examples/src/bin/lpuart_buffered.rs b/examples/src/bin/lpuart_buffered.rs
index b0d19ef16..4c9294f57 100644
--- a/examples/src/bin/lpuart_buffered.rs
+++ b/examples/src/bin/lpuart_buffered.rs
@@ -32,7 +32,7 @@ async fn main(_spawner: Spawner) {
     hal::interrupt::LPUART2.configure_for_uart(hal::interrupt::Priority::P3);
 
     unsafe {
-        init_uart2_pins(hal::pac());
+        init_uart2_pins();
     }
 
     // UART configuration (enable both TX and RX)
diff --git a/examples/src/bin/lpuart_polling.rs b/examples/src/bin/lpuart_polling.rs
index 525d42e2c..c8666e64a 100644
--- a/examples/src/bin/lpuart_polling.rs
+++ b/examples/src/bin/lpuart_polling.rs
@@ -15,7 +15,7 @@ async fn main(_spawner: Spawner) {
 
     // Board-level init for UART2 clocks and pins.
     unsafe {
-        init_uart2_pins(hal::pac());
+        init_uart2_pins();
     }
 
     // Create UART configuration
diff --git a/examples/src/bin/rtc_alarm.rs b/examples/src/bin/rtc_alarm.rs
index a54b4a817..6f8a77101 100644
--- a/examples/src/bin/rtc_alarm.rs
+++ b/examples/src/bin/rtc_alarm.rs
@@ -34,7 +34,7 @@ async fn main(_spawner: Spawner) {
 
     // Create UART instance using LPUART2 with P2_2 as TX and P2_3 as RX
     unsafe {
-        embassy_mcxa_examples::init_uart2_pins(hal::pac());
+        embassy_mcxa_examples::init_uart2_pins();
     }
     let mut uart = Lpuart::new_blocking(
         p.LPUART2, // Peripheral