Diff: parse_pins.cpp

Revision:

1:6919289a5946

Child:

2:65228c367483

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/parse_pins.cpp	Mon Apr 22 17:50:11 2013 +0100
@@ -0,0 +1,80 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "port_api.h"
+
+namespace mbed {
+
+PinName parse_pins(const char *str) {
+#if defined(TARGET_LPC1768) || defined(TARGET_LPC11U24) || defined(TARGET_LPC2368)
+    static const PinName pin_names[] = {p5, p6, p7, p8, p9, p10, p11, p12, p13, p14
+                                , p15, p16, p17, p18, p19, p20, p21, p22, p23
+                                , p24, p25, p26, p27, p28, p29, p30};
+#endif
+
+#if defined(TARGET_LPC1768) || defined(TARGET_LPC11U24) || defined(TARGET_LPC2368) || defined(TARGET_LPC812)
+    if (str[0] == 'P') {              // Pn_n
+        uint32_t port = str[1] - '0';
+        uint32_t pin  = str[3] - '0'; // Pn_n
+        uint32_t pin2 = str[4] - '0'; // Pn_nn
+        if (pin2 <= 9) {
+            pin = pin * 10 + pin2;
+        }
+        return port_pin((PortName)port, pin);
+
+#elif defined(LTARGET_KL25Z)
+        if (str[0] == 'P' && str[1] == 'T') {   // PTx_n
+            uint32_t port = str[2] - 'A';
+            uint32_t pin  = str[3] - '0'; // PTxn
+            uint32_t pin2 = str[4] - '0'; // PTxnn
+
+            if (pin2 <= 9) {
+                pin = pin * 10 + pin2;
+            }
+            return port_pin((PortName)port, pin);
+#endif
+
+#if defined(TARGET_LPC1768) || defined(TARGET_LPC11U24) || defined(TARGET_LPC2368)
+    } else if (str[0] == 'p') {       // pn
+        uint32_t pin  = str[1] - '0'; // pn
+        uint32_t pin2 = str[2] - '0'; // pnn
+        if (pin2 <= 9) {
+            pin = pin * 10 + pin2;
+        }
+        if (pin < 5 || pin > 30) {
+            return NC;
+        }
+        return pin_names[pin - 5];
+#endif
+
+    } else if (str[0] == 'L') {  // LEDn
+        switch (str[3]) {
+            case '1' : return LED1;
+            case '2' : return LED2;
+            case '3' : return LED3;
+            case '4' : return LED4;
+        }
+
+    } else if (str[0] == 'U') {  // USB?X
+        switch (str[3]) {
+            case 'T' : return USBTX;
+            case 'R' : return USBRX;
+        }
+    }
+
+    return NC;
+}
+
+}