Initial Release

clocks/hello_gpout/CMakeLists.txt

@@ -0,0 +1,12 @@
+add_executable(hello_gpout
+        hello_gpout.c
+        )
+
+# Pull in our pico_stdlib which pulls in commonly used features
+target_link_libraries(hello_gpout pico_stdlib)
+
+# create map/bin/hex file etc.
+pico_add_extra_outputs(hello_gpout)
+
+# add url via pico_set_program_url
+example_auto_set_url(hello_gpout)

clocks/hello_gpout/hello_gpout.c

@@ -0,0 +1,23 @@
+/**
+ * Copyright (c) 2021 Raspberry Pi (Trading) Ltd.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <stdio.h>
+#include "pico/stdlib.h"
+#include "hardware/clocks.h"
+
+
+int main() {
+    stdio_init_all();
+    printf("Hello gpout\n");
+
+    // Output clk_sys / 10 to gpio 21, etc...
+    clock_gpio_init(21, CLOCKS_CLK_GPOUT0_CTRL_AUXSRC_VALUE_CLK_SYS, 10);
+    clock_gpio_init(23, CLOCKS_CLK_GPOUT0_CTRL_AUXSRC_VALUE_CLK_USB, 10);
+    clock_gpio_init(24, CLOCKS_CLK_GPOUT0_CTRL_AUXSRC_VALUE_CLK_ADC, 10);
+    clock_gpio_init(26, CLOCKS_CLK_GPOUT0_CTRL_AUXSRC_VALUE_CLK_RTC, 10);
+
+    return 0;
+}