update

USDK/example_sources/gpio_port/src/main.c

@@ -0,0 +1,96 @@
+/*
+ *  Routines to access hardware
+ *
+ *  Copyright (c) 2013 Realtek Semiconductor Corp.
+ *
+ *  This module is a confidential and proprietary property of RealTek and
+ *  possession or use of this module requires written permission of RealTek.
+ */
+
+#include "device.h"
+#include "port_api.h"   // mbed
+#include "PortNames.h"   // mbed
+#include "main.h"
+
+#define PORT_OUTPUT_TEST    1   //1: output test, 0: input test
+
+#define LED_PATTERN_NUM     12
+
+port_t port0;
+const uint8_t led_pattern[LED_PATTERN_NUM]={0x81, 0x42, 0x24, 0x18, 0x00, 0x88, 0x44, 0x22, 0x11, 0xff, 0x00};
+const uint8_t My_Port_Def[] = {
+    PA_6, PA_7, PA_5, PD_4,
+    PD_5, PA_4, PA_3, PA_2,
+
+    0xFF    // must end with 0xFF
+};
+
+
+extern void wait_ms(u32);
+
+/**
+  * @brief  Main program.
+  * @param  None
+  * @retval None
+  */
+#if PORT_OUTPUT_TEST
+
+void main(void)
+{
+    int i;
+    unsigned int pin_mask;
+
+    port_mode(&port0, PullNone);
+    // Assign pins to this port 
+    port0.pin_def = (uint8_t*)My_Port_Def;
+    pin_mask = 0xFF;    // each bit map to 1 pin: 0: pin disable, 1: pin enable
+    port_init(&port0, PortA, pin_mask, PIN_OUTPUT);
+
+    while(1){
+        for (i=0;i<LED_PATTERN_NUM;i++) {
+            port_write(&port0, led_pattern[i]);
+            wait_ms(200);
+        }
+    }
+}
+
+#else
+
+void main(void)
+{
+    int i;
+    unsigned int pin_mask;
+    int value_new, value_tmp, value_old;
+    int stable;
+
+    port_mode(&port0, PullNone);
+    // Assign pins to this port 
+    port0.pin_def = My_Port_Def;
+    pin_mask = 0xFF;    // each bit map to 1 pin: 0: pin disable, 1: pin enable
+    port_init(&port0, PortA, pin_mask, PIN_INPUT);
+
+    value_old = port_read(&port0); 
+    while(1){
+        // De-bonse
+        value_new = port_read(&port0); 
+        stable = 0;
+        while (stable < 3){
+            value_tmp = port_read(&port0); 
+            if (value_new != value_tmp) {
+                value_new = value_tmp;
+                stable = 0;
+            }
+            else {
+                stable++;
+            }
+        } 
+
+        if (value_old != value_new) {
+            DBG_8195A("0x%x\r\n", value_new);
+            value_old = value_new;
+        }
+        wait_ms(50);
+    }
+}
+
+#endif