Morpheus / target-freescale-ksdk

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pinmap.c@0:e4d670b91a9a, 2016-03-23 (annotated)

Committer:
screamer
Date:
Wed Mar 23 21:26:50 2016 +0000
Revision:
0:e4d670b91a9a
Initial revision

Who changed what in which revision?

UserRevisionLine numberNew contents of line
screamer 0:e4d670b91a9a 1 /* mbed Microcontroller Library
screamer 0:e4d670b91a9a 2 * Copyright (c) 2006-2013 ARM Limited
screamer 0:e4d670b91a9a 3 *
screamer 0:e4d670b91a9a 4 * Licensed under the Apache License, Version 2.0 (the "License");
screamer 0:e4d670b91a9a 5 * you may not use this file except in compliance with the License.
screamer 0:e4d670b91a9a 6 * You may obtain a copy of the License at
screamer 0:e4d670b91a9a 7 *
screamer 0:e4d670b91a9a 8 * http://www.apache.org/licenses/LICENSE-2.0
screamer 0:e4d670b91a9a 9 *
screamer 0:e4d670b91a9a 10 * Unless required by applicable law or agreed to in writing, software
screamer 0:e4d670b91a9a 11 * distributed under the License is distributed on an "AS IS" BASIS,
screamer 0:e4d670b91a9a 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
screamer 0:e4d670b91a9a 13 * See the License for the specific language governing permissions and
screamer 0:e4d670b91a9a 14 * limitations under the License.
screamer 0:e4d670b91a9a 15 */
screamer 0:e4d670b91a9a 16 #include "mbed_assert.h"
screamer 0:e4d670b91a9a 17 #include "pinmap.h"
screamer 0:e4d670b91a9a 18 #include "mbed_error.h"
screamer 0:e4d670b91a9a 19 #include "fsl_clock_manager.h"
screamer 0:e4d670b91a9a 20 #include "fsl_port_hal.h"
screamer 0:e4d670b91a9a 21
screamer 0:e4d670b91a9a 22 void pin_function(PinName pin, int function) {
screamer 0:e4d670b91a9a 23 MBED_ASSERT(pin != (PinName)NC);
screamer 0:e4d670b91a9a 24 CLOCK_SYS_EnablePortClock(pin >> GPIO_PORT_SHIFT);
screamer 0:e4d670b91a9a 25 uint32_t port_addrs[] = PORT_BASE_ADDRS;
screamer 0:e4d670b91a9a 26 PORT_HAL_SetMuxMode(port_addrs[pin >> GPIO_PORT_SHIFT], pin & 0xFF, (port_mux_t)function);
screamer 0:e4d670b91a9a 27 }
screamer 0:e4d670b91a9a 28
screamer 0:e4d670b91a9a 29 void pin_mode(PinName pin, PinMode mode) {
screamer 0:e4d670b91a9a 30 MBED_ASSERT(pin != (PinName)NC);
screamer 0:e4d670b91a9a 31 uint32_t instance = pin >> GPIO_PORT_SHIFT;
screamer 0:e4d670b91a9a 32 uint32_t port_addrs[] = PORT_BASE_ADDRS;
screamer 0:e4d670b91a9a 33 uint32_t pinName = pin & 0xFF;
screamer 0:e4d670b91a9a 34
screamer 0:e4d670b91a9a 35 switch (mode) {
screamer 0:e4d670b91a9a 36 case PullNone:
screamer 0:e4d670b91a9a 37 PORT_HAL_SetPullCmd(port_addrs[instance], pinName, false);
screamer 0:e4d670b91a9a 38 PORT_HAL_SetPullMode(port_addrs[instance], pinName, kPortPullDown);
screamer 0:e4d670b91a9a 39 break;
screamer 0:e4d670b91a9a 40 case PullDown:
screamer 0:e4d670b91a9a 41 PORT_HAL_SetPullCmd(port_addrs[instance], pinName, true);
screamer 0:e4d670b91a9a 42 PORT_HAL_SetPullMode(port_addrs[instance], pinName, kPortPullDown);
screamer 0:e4d670b91a9a 43 break;
screamer 0:e4d670b91a9a 44 case PullUp:
screamer 0:e4d670b91a9a 45 PORT_HAL_SetPullCmd(port_addrs[instance], pinName, true);
screamer 0:e4d670b91a9a 46 PORT_HAL_SetPullMode(port_addrs[instance], pinName, kPortPullUp);
screamer 0:e4d670b91a9a 47 break;
screamer 0:e4d670b91a9a 48 default:
screamer 0:e4d670b91a9a 49 break;
screamer 0:e4d670b91a9a 50 }
screamer 0:e4d670b91a9a 51 }