Initial Release

src/host/pico_multicore/CMakeLists.txt

@@ -0,0 +1,8 @@
+if (NOT TARGET pico_multicore)
+    add_library(pico_multicore INTERFACE)
+
+    target_include_directories(pico_multicore INTERFACE ${CMAKE_CURRENT_LIST_DIR}/include)
+endif()
+
+
+

src/host/pico_multicore/include/pico/multicore.h

@@ -0,0 +1,44 @@
+/*
+ * Copyright (c) 2020 Raspberry Pi (Trading) Ltd.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef _PICO_MULTICORE_H
+#define _PICO_MULTICORE_H
+
+#include "pico/types.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+void multicore_reset_core1();
+void multicore_launch_core1(void (*entry)(void));
+void multicore_launch_core1_with_stack(void (*entry)(void), uint32_t *stack_bottom, size_t stack_size_bytes);
+void multicore_sleep_core1();
+void multicore_launch_core1_raw(void (*entry)(void), uint32_t *sp, uint32_t vector_table);
+
+bool multicore_fifo_rvalid();
+bool multicore_fifo_wready();
+void multicore_fifo_push(uint32_t data);
+uint32_t multicore_fifo_pop_blocking();
+void multicore_fifo_drain();
+void multicore_fifo_clear_irq();
+int32_t multicore_fifo_get_status();
+
+// call this from the lockout victim thread
+void multicore_lockout_victim_init();
+
+// start locking out the other core (it will be
+bool multicore_lockout_start_timeout_us(uint64_t timeout_us);
+void multicore_lockout_start_blocking();
+
+bool multicore_lockout_end_timeout_us(uint64_t timeout_us);
+void multicore_lockout_end_blocking();
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif