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-rw-r--r--doc/README.s5pc1xx18
1 files changed, 17 insertions, 1 deletions
diff --git a/doc/README.s5pc1xx b/doc/README.s5pc1xx
index 5a0fe33..ab1f024 100644
--- a/doc/README.s5pc1xx
+++ b/doc/README.s5pc1xx
@@ -41,7 +41,23 @@ To check SoC:
printf("cpu is s5pc110\n");
gpio
- not supported yet.
+
+ struct s5pc100_gpio *gpio = (struct s5pc100_gpio*)S5PC100_GPIO_BASE;
+
+ /* GPA[0] pin set to irq */
+ gpio_cfg_pin(&gpio->gpio_a, 0, GPIO_IRQ);
+
+ /* GPA[0] pin set to input */
+ gpio_direction_input(&gpio->gpio_a, 0);
+
+ /* GPA[0] pin set to output/high */
+ gpio_direction_output(&gpio->gpio_a, 0, 1);
+
+ /* GPA[0] value set to low */
+ gpio_set_value(&gpio->gpio_a, 0, 0);
+
+ /* get GPA[0] value */
+ value = gpio_get_value(&gpio->gpio_a, 0);
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