1 files changed, 56 insertions, 0 deletions
diff --git a/circuitpython/ports/raspberrypi/mphalport.c b/circuitpython/ports/raspberrypi/mphalport.c
new file mode 100644
index 0000000..b4ecbca
--- /dev/null
+++ b/circuitpython/ports/raspberrypi/mphalport.c
@@ -0,0 +1,56 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2021 Scott Shawcroft for Adafruit Industries
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include <string.h>
+
+#include "shared/readline/readline.h"
+#include "shared/runtime/interrupt_char.h"
+#include "py/mphal.h"
+#include "py/mpstate.h"
+#include "py/runtime.h"
+#include "py/smallint.h"
+#include "shared-bindings/microcontroller/__init__.h"
+#include "shared-bindings/time/__init__.h"
+
+#include "mpconfigboard.h"
+#include "mphalport.h"
+#include "supervisor/shared/tick.h"
+
+#include "src/rp2_common/hardware_timer/include/hardware/timer.h"
+
+extern uint32_t common_hal_mcu_processor_get_frequency(void);
+
+void mp_hal_delay_us(mp_uint_t delay) {
+    busy_wait_us_32(delay);
+}
+
+void mp_hal_disable_all_interrupts(void) {
+    common_hal_mcu_disable_interrupts();
+}
+
+void mp_hal_enable_all_interrupts(void) {
+    common_hal_mcu_enable_interrupts();
+}