lzbp li / mbed-src

mbed library sources

Fork of mbed-src by mbed official

targets/hal/TARGET_RENESAS/TARGET_RZ_A1H/pinmap.c@390:35c2c1cf29cd, 2014-11-06 (annotated)

Committer:
mbed_official
Date:
Thu Nov 06 11:00:10 2014 +0000
Revision:
390:35c2c1cf29cd
Child:
409:a95c696104d3
Synchronized with git revision 8724eb616b6e07a3bd111d3022652eb5bbefe9b7



Full URL: https://github.com/mbedmicro/mbed/commit/8724eb616b6e07a3bd111d3022652eb5bbefe9b7/



[RZ/A1H] mbed-RZ first release

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 390:35c2c1cf29cd 1 /* mbed Microcontroller Library
mbed_official 390:35c2c1cf29cd 2 * Copyright (c) 2006-2013 ARM Limited
mbed_official 390:35c2c1cf29cd 3 *
mbed_official 390:35c2c1cf29cd 4 * Licensed under the Apache License, Version 2.0 (the "License");
mbed_official 390:35c2c1cf29cd 5 * you may not use this file except in compliance with the License.
mbed_official 390:35c2c1cf29cd 6 * You may obtain a copy of the License at
mbed_official 390:35c2c1cf29cd 7 *
mbed_official 390:35c2c1cf29cd 8 * http://www.apache.org/licenses/LICENSE-2.0
mbed_official 390:35c2c1cf29cd 9 *
mbed_official 390:35c2c1cf29cd 10 * Unless required by applicable law or agreed to in writing, software
mbed_official 390:35c2c1cf29cd 11 * distributed under the License is distributed on an "AS IS" BASIS,
mbed_official 390:35c2c1cf29cd 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
mbed_official 390:35c2c1cf29cd 13 * See the License for the specific language governing permissions and
mbed_official 390:35c2c1cf29cd 14 * limitations under the License.
mbed_official 390:35c2c1cf29cd 15 */
mbed_official 390:35c2c1cf29cd 16 #include "pinmap.h"
mbed_official 390:35c2c1cf29cd 17 #include "mbed_error.h"
mbed_official 390:35c2c1cf29cd 18 #include "gpio_addrdefine.h"
mbed_official 390:35c2c1cf29cd 19
mbed_official 390:35c2c1cf29cd 20 void pin_function(PinName pin, int function) {
mbed_official 390:35c2c1cf29cd 21 if (pin == (PinName)NC) return;
mbed_official 390:35c2c1cf29cd 22
mbed_official 390:35c2c1cf29cd 23 int n = pin >> 4;
mbed_official 390:35c2c1cf29cd 24 int bitmask = 1<<(pin & 0xf);
mbed_official 390:35c2c1cf29cd 25
mbed_official 390:35c2c1cf29cd 26 if (function == 0) {
mbed_official 390:35c2c1cf29cd 27 // means GPIO mode
mbed_official 390:35c2c1cf29cd 28 *PMC(n) &= ~bitmask;
mbed_official 390:35c2c1cf29cd 29 } else {
mbed_official 390:35c2c1cf29cd 30 // alt-function mode
mbed_official 390:35c2c1cf29cd 31 *PMC(n) |= bitmask;
mbed_official 390:35c2c1cf29cd 32 --function;
mbed_official 390:35c2c1cf29cd 33
mbed_official 390:35c2c1cf29cd 34 if (function & (1 << 2)) { *PFCAE(n) |= bitmask;}else { *PFCAE(n) &= ~bitmask;}
mbed_official 390:35c2c1cf29cd 35 if (function & (1 << 1)) { *PFCE(n) |= bitmask;}else { *PFCE(n) &= ~bitmask;}
mbed_official 390:35c2c1cf29cd 36 if (function & (1 << 0)) { *PFC(n) |= bitmask;}else { *PFC(n) &= ~bitmask;}
mbed_official 390:35c2c1cf29cd 37 *PIPC(n) |= bitmask;
mbed_official 390:35c2c1cf29cd 38
mbed_official 390:35c2c1cf29cd 39 if (P1_0 <= pin && pin <= P1_7 && function == 0) {
mbed_official 390:35c2c1cf29cd 40 *PBDC(n) |= bitmask;
mbed_official 390:35c2c1cf29cd 41 }
mbed_official 390:35c2c1cf29cd 42 }
mbed_official 390:35c2c1cf29cd 43 }
mbed_official 390:35c2c1cf29cd 44
mbed_official 390:35c2c1cf29cd 45 void pin_mode(PinName pin, PinMode mode) {
mbed_official 390:35c2c1cf29cd 46 // if (pin == (PinName)NC) { return; }
mbed_official 390:35c2c1cf29cd 47 }