From c9335332df86fbc895a8868a34abcc98817d53f0 Mon Sep 17 00:00:00 2001
From: Joshua Drake <joshua.ellis.drake@gmail.com>
Date: Sat, 6 Dec 2025 14:22:21 -0600
Subject: Inital Commit

---
 mcc_generated_files/system/utils/atomic.h | 87 +++++++++++++++++++++++++++++++
 1 file changed, 87 insertions(+)
 create mode 100644 mcc_generated_files/system/utils/atomic.h

(limited to 'mcc_generated_files/system/utils/atomic.h')

diff --git a/mcc_generated_files/system/utils/atomic.h b/mcc_generated_files/system/utils/atomic.h
new file mode 100644
index 0000000..0878285
--- /dev/null
+++ b/mcc_generated_files/system/utils/atomic.h
@@ -0,0 +1,87 @@
+/**
+ * CONFIGURATION BITS Generated Atomic Header File
+ * 
+ * @file atomic.h
+ * 
+ * @defgroup doc_driver_utils_atomic Atomic memory access and critical sections
+ * 
+ * @brief This file contains the atomic memory access and critical sections header file for the configuration bits driver.
+ *
+ * @version Driver Version 1.0.0
+*/
+/*
+© [2025] Microchip Technology Inc. and its subsidiaries.
+
+    Subject to your compliance with these terms, you may use Microchip 
+    software and any derivatives exclusively with Microchip products. 
+    You are responsible for complying with 3rd party license terms  
+    applicable to your use of 3rd party software (including open source  
+    software) that may accompany Microchip software. SOFTWARE IS ?AS IS.? 
+    NO WARRANTIES, WHETHER EXPRESS, IMPLIED OR STATUTORY, APPLY TO THIS 
+    SOFTWARE, INCLUDING ANY IMPLIED WARRANTIES OF NON-INFRINGEMENT,  
+    MERCHANTABILITY, OR FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT 
+    WILL MICROCHIP BE LIABLE FOR ANY INDIRECT, SPECIAL, PUNITIVE, 
+    INCIDENTAL OR CONSEQUENTIAL LOSS, DAMAGE, COST OR EXPENSE OF ANY 
+    KIND WHATSOEVER RELATED TO THE SOFTWARE, HOWEVER CAUSED, EVEN IF 
+    MICROCHIP HAS BEEN ADVISED OF THE POSSIBILITY OR THE DAMAGES ARE 
+    FORESEEABLE. TO THE FULLEST EXTENT ALLOWED BY LAW, MICROCHIP?S 
+    TOTAL LIABILITY ON ALL CLAIMS RELATED TO THE SOFTWARE WILL NOT 
+    EXCEED AMOUNT OF FEES, IF ANY, YOU PAID DIRECTLY TO MICROCHIP FOR 
+    THIS SOFTWARE.
+*/
+
+
+#ifndef ATOMIC_H
+#define ATOMIC_H
+
+/* clang-format off */
+
+#if defined(__GNUC__) || defined (__DOXYGEN__)
+
+/**
+ * @brief Enters critical region. Saves the contents of the status register, including the Global Interrupt Enable bit, so that it can be restored upon leaving the critical region.
+ * Thereafter, clears the Global Interrupt Enable Bit.This macro takes a parameter P that is unused for the GCC compiler,but necessary for code compatibility with the IAR compiler.
+ * The IAR compiler declares a variable with the name of the parameter forholding the SREG value.
+ * Compilation will fail when the variable declared in the macro is not unique within the scope that the critical region is declared within.
+ * @param[in] UNUSED(GCC)/P(IAR) Name of variable storing SREG.
+ */
+
+#define ENTER_CRITICAL(UNUSED) __asm__ __volatile__ (   \
+   "in __tmp_reg__, __SREG__"                    "\n\t" \
+   "cli"                                         "\n\t" \
+   "push __tmp_reg__"                            "\n\t" \
+   ::: "memory"                                         \
+   )
+
+/**
+ * @brief Exits a critical region. Restores the contents of the status register, including the Global Interrupt Enable bit, as it was when entering the critical region.
+ * This macro takes a parameter P that is unused for the GCC compiler, but necessary for code compatibility with the IAR compiler.
+ * The IAR compiler uses this parameter as the name of a variable that holds the SREG value.
+ * The parameter must be identical to the parameter used in the corresponding ENTER_CRITICAL().
+ * @param[in] UNUSED(GCC)/P(IAR) Name of variable storing SREG
+ */
+
+#define EXIT_CRITICAL(UNUSED)  __asm__ __volatile__ (   \
+   "pop __tmp_reg__"                             "\n\t" \
+   "out __SREG__, __tmp_reg__"                   "\n\t" \
+   ::: "memory"                                         \
+   )
+
+#define DISABLE_INTERRUPTS()        __asm__ __volatile__ ( "cli" ::: "memory")
+#define ENABLE_INTERRUPTS()         __asm__ __volatile__ ( "sei" ::: "memory")
+
+#elif defined(__ICCAVR__)
+
+#define ENTER_CRITICAL(P)  unsigned char P = __save_interrupt();__disable_interrupt();
+#define EXIT_CRITICAL(P)  __restore_interrupt(P);
+
+#define DISABLE_INTERRUPTS()   __disable_interrupt();
+#define ENABLE_INTERRUPTS()    __enable_interrupt();
+
+#else
+#  error Unsupported compiler.
+#endif
+
+/* clang-format on */
+
+#endif /* ATOMIC_H */
-- 
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