Aravind Vadali / mbed-src-AV

mbed.h library with any bug fixes AV finds.

Dependents:   micromouse4_encoder_testing PID_Test Lab1_Test WorkingPID ... more

targets/hal/TARGET_Freescale/TARGET_KLXX/pinmap.c@0:ba7650f404af, 2015-11-02 (annotated)

Committer:
aravindsv
Date:
Mon Nov 02 02:26:59 2015 +0000
Revision:
0:ba7650f404af
Reduced HSE_STARTUP_TIMEOUT to 500 ms, fixed some compiler warnings

Who changed what in which revision?

UserRevisionLine numberNew contents of line
aravindsv 0:ba7650f404af 1 /* mbed Microcontroller Library
aravindsv 0:ba7650f404af 2 * Copyright (c) 2006-2013 ARM Limited
aravindsv 0:ba7650f404af 3 *
aravindsv 0:ba7650f404af 4 * Licensed under the Apache License, Version 2.0 (the "License");
aravindsv 0:ba7650f404af 5 * you may not use this file except in compliance with the License.
aravindsv 0:ba7650f404af 6 * You may obtain a copy of the License at
aravindsv 0:ba7650f404af 7 *
aravindsv 0:ba7650f404af 8 * http://www.apache.org/licenses/LICENSE-2.0
aravindsv 0:ba7650f404af 9 *
aravindsv 0:ba7650f404af 10 * Unless required by applicable law or agreed to in writing, software
aravindsv 0:ba7650f404af 11 * distributed under the License is distributed on an "AS IS" BASIS,
aravindsv 0:ba7650f404af 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
aravindsv 0:ba7650f404af 13 * See the License for the specific language governing permissions and
aravindsv 0:ba7650f404af 14 * limitations under the License.
aravindsv 0:ba7650f404af 15 */
aravindsv 0:ba7650f404af 16 #include "mbed_assert.h"
aravindsv 0:ba7650f404af 17 #include "pinmap.h"
aravindsv 0:ba7650f404af 18
aravindsv 0:ba7650f404af 19 void pin_function(PinName pin, int function) {
aravindsv 0:ba7650f404af 20 MBED_ASSERT(pin != (PinName)NC);
aravindsv 0:ba7650f404af 21
aravindsv 0:ba7650f404af 22 uint32_t port_n = (uint32_t)pin >> PORT_SHIFT;
aravindsv 0:ba7650f404af 23 uint32_t pin_n = (uint32_t)(pin & 0x7C) >> 2;
aravindsv 0:ba7650f404af 24
aravindsv 0:ba7650f404af 25 SIM->SCGC5 |= 1 << (SIM_SCGC5_PORTA_SHIFT + port_n);
aravindsv 0:ba7650f404af 26 __IO uint32_t* pin_pcr = &(((PORT_Type *)(PORTA_BASE + 0x1000 * port_n)))->PCR[pin_n];
aravindsv 0:ba7650f404af 27
aravindsv 0:ba7650f404af 28 // pin mux bits: [10:8] -> 11100000000 = (0x700)
aravindsv 0:ba7650f404af 29 *pin_pcr = (*pin_pcr & ~0x700) | (function << 8);
aravindsv 0:ba7650f404af 30 }
aravindsv 0:ba7650f404af 31
aravindsv 0:ba7650f404af 32 void pin_mode(PinName pin, PinMode mode) {
aravindsv 0:ba7650f404af 33 MBED_ASSERT(pin != (PinName)NC);
aravindsv 0:ba7650f404af 34
aravindsv 0:ba7650f404af 35 __IO uint32_t* pin_pcr = (__IO uint32_t*)(PORTA_BASE + pin);
aravindsv 0:ba7650f404af 36
aravindsv 0:ba7650f404af 37 // pin pullup bits: [1:0] -> 11 = (0x3)
aravindsv 0:ba7650f404af 38 *pin_pcr = (*pin_pcr & ~0x3) | mode;
aravindsv 0:ba7650f404af 39 }