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authorUwe Hermann2010-12-30 01:52:44 +0100
committerUwe Hermann2010-12-30 01:52:44 +0100
commitbcce98da54b047a15ef0abf41e0c7794f29f0439 (patch)
tree98462dcb9874341bd7342a1794ec01e8ad420d47 /examples/stm32/stm32-h103/fancyblink/fancyblink.c
parentb65f3f06d061823fac1af91594e0d702b4c80693 (diff)
Move STM32 examples to examples/stm32 subdir.
Diffstat (limited to 'examples/stm32/stm32-h103/fancyblink/fancyblink.c')
-rw-r--r--examples/stm32/stm32-h103/fancyblink/fancyblink.c54
1 files changed, 54 insertions, 0 deletions
diff --git a/examples/stm32/stm32-h103/fancyblink/fancyblink.c b/examples/stm32/stm32-h103/fancyblink/fancyblink.c
new file mode 100644
index 0000000..014ae90
--- /dev/null
+++ b/examples/stm32/stm32-h103/fancyblink/fancyblink.c
@@ -0,0 +1,54 @@
+/*
+ * This file is part of the libopenstm32 project.
+ *
+ * Copyright (C) 2009 Uwe Hermann <uwe@hermann-uwe.de>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <libopenstm32/rcc.h>
+#include <libopenstm32/gpio.h>
+
+/* Set STM32 to 72 MHz. */
+void clock_setup(void)
+{
+ rcc_clock_setup_in_hse_8mhz_out_72mhz();
+
+ /* Enable GPIOC clock. */
+ rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_IOPCEN);
+
+}
+
+void gpio_setup(void)
+{
+ /* Set GPIO12 (in GPIO port C) to 'output push-pull'. */
+ gpio_set_mode(GPIOC, GPIO_MODE_OUTPUT_50_MHZ,
+ GPIO_CNF_OUTPUT_PUSHPULL, GPIO12);
+}
+
+int main(void)
+{
+ int i;
+
+ clock_setup();
+ gpio_setup();
+
+ /* Blink the LED (PC12) on the board. */
+ while (1) {
+ gpio_toggle(GPIOC, GPIO12); /* LED on/off */
+ for (i = 0; i < 80000; i++); /* Wait (needs -O0 CFLAGS). */
+ }
+
+ return 0;
+}