Diff: targets/TARGET_RENESAS/TARGET_RZ_A1XX/pinmap.c

Revision:

182:57724642e740

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/targets/TARGET_RENESAS/TARGET_RZ_A1XX/pinmap.c	Fri Feb 16 16:09:33 2018 +0000
@@ -0,0 +1,74 @@
+/* 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 "PeripheralPins.h"
+#include "mbed_error.h"
+#include "gpio_addrdefine.h"
+
+PinName gpio_multi_guard = (PinName)NC; /* If set pin name here, setting of the "pin" is just one time */
+
+void pin_function(PinName pin, int function) {
+    if (pin == (PinName)NC) return;
+    
+    int n = pin >> 4;
+    int bitmask = 1<<(pin  & 0xf);
+    const PinFunc * Pipc_0_func = PIPC_0_tbl;
+    int pipc_data = 1;
+    
+    if (gpio_multi_guard != pin) {
+        if (function == 0) {
+            // means GPIO mode
+            *PMC(n) &= ~bitmask;
+        } else {
+            // alt-function mode
+            --function;
+
+            if (function & (1 << 2)) { *PFCAE(n) |= bitmask;}else  { *PFCAE(n) &= ~bitmask;}
+            if (function & (1 << 1)) { *PFCE(n) |= bitmask;}else  { *PFCE(n) &= ~bitmask;}
+            if (function & (1 << 0)) { *PFC(n) |= bitmask;}else  { *PFC(n) &= ~bitmask;}
+
+            while (Pipc_0_func->pin != NC) {
+                if ((Pipc_0_func->pin == pin) && ((Pipc_0_func->function - 1) == function)) {
+                    pipc_data = 0;
+                    if (Pipc_0_func->pm == 0) {
+                        *PMSR(n) = (bitmask << 16) | 0;
+                    } else if (Pipc_0_func->pm == 1) {
+                        *PMSR(n) = (bitmask << 16) | bitmask;
+                    } else {
+                        // Do Nothing
+                    }
+                    break;
+                }
+                Pipc_0_func++;
+            }
+            if (pipc_data == 1) {
+            *PIPC(n) |= bitmask;
+            } else {
+                *PIPC(n) &= ~bitmask;
+            }
+
+            if (P1_0 <= pin && pin <= P1_7 && function == 0) {
+                *PBDC(n) |= bitmask;
+            }
+            *PMC(n) |= bitmask;
+        }
+    } else {
+        gpio_multi_guard = (PinName)NC;
+    }
+}
+
+void pin_mode(PinName pin, PinMode mode) {
+//    if (pin == (PinName)NC) { return; }
+}