Initial Release

reset/hello_reset/CMakeLists.txt

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+if (TARGET hardware_resets)
+    add_executable(hello_reset
+            hello_reset.c
+            )
+
+    # Pull in our pico_stdlib which pulls in commonly used features
+    target_link_libraries(hello_reset pico_stdlib hardware_resets)
+
+    # create map/bin/hex file etc.
+    pico_add_extra_outputs(hello_reset)
+
+    # add url via pico_set_program_url
+    example_auto_set_url(hello_reset)
+endif ()

reset/hello_reset/hello_reset.c

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+/**
+ * Copyright (c) 2020 Raspberry Pi (Trading) Ltd.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <stdio.h>
+#include "pico/stdlib.h"
+#include "hardware/resets.h"
+
+/// \tag::hello_reset[]
+int main() {
+    stdio_init_all();
+
+    printf("Hello, reset!\n");
+
+    // Put the PWM block into reset
+    reset_block(RESETS_RESET_PWM_BITS);
+
+    // And bring it out
+    unreset_block_wait(RESETS_RESET_PWM_BITS);
+
+    // Put the PWM and RTC block into reset
+    reset_block(RESETS_RESET_PWM_BITS | RESETS_RESET_RTC_BITS);
+
+    // Wait for both to come out of reset
+    unreset_block_wait(RESETS_RESET_PWM_BITS | RESETS_RESET_RTC_BITS);
+
+    return 0;
+}
+/// \end::hello_reset[]