Mouse code for the MacroRat

Dependencies:   ITG3200 QEI

Committer:
sahilmgandhi
Date:
Sat Jun 03 00:22:44 2017 +0000
Revision:
46:b156ef445742
Parent:
18:6a4db94011d3
Final code for internal battlebot competition.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
sahilmgandhi 18:6a4db94011d3 1 /* mbed Microcontroller Library
sahilmgandhi 18:6a4db94011d3 2 * Copyright (c) 2006-2013 ARM Limited
sahilmgandhi 18:6a4db94011d3 3 *
sahilmgandhi 18:6a4db94011d3 4 * Licensed under the Apache License, Version 2.0 (the "License");
sahilmgandhi 18:6a4db94011d3 5 * you may not use this file except in compliance with the License.
sahilmgandhi 18:6a4db94011d3 6 * You may obtain a copy of the License at
sahilmgandhi 18:6a4db94011d3 7 *
sahilmgandhi 18:6a4db94011d3 8 * http://www.apache.org/licenses/LICENSE-2.0
sahilmgandhi 18:6a4db94011d3 9 *
sahilmgandhi 18:6a4db94011d3 10 * Unless required by applicable law or agreed to in writing, software
sahilmgandhi 18:6a4db94011d3 11 * distributed under the License is distributed on an "AS IS" BASIS,
sahilmgandhi 18:6a4db94011d3 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
sahilmgandhi 18:6a4db94011d3 13 * See the License for the specific language governing permissions and
sahilmgandhi 18:6a4db94011d3 14 * limitations under the License.
sahilmgandhi 18:6a4db94011d3 15 */
sahilmgandhi 18:6a4db94011d3 16 #include "mbed_assert.h"
sahilmgandhi 18:6a4db94011d3 17 #include "pinmap.h"
sahilmgandhi 18:6a4db94011d3 18 #include "mbed_error.h"
sahilmgandhi 18:6a4db94011d3 19
sahilmgandhi 18:6a4db94011d3 20
sahilmgandhi 18:6a4db94011d3 21 void pin_function(PinName pin, int function)
sahilmgandhi 18:6a4db94011d3 22 {
sahilmgandhi 18:6a4db94011d3 23 // do nothing
sahilmgandhi 18:6a4db94011d3 24 return;
sahilmgandhi 18:6a4db94011d3 25 }
sahilmgandhi 18:6a4db94011d3 26
sahilmgandhi 18:6a4db94011d3 27 void pin_mode(PinName pin, PinMode mode)
sahilmgandhi 18:6a4db94011d3 28 {
sahilmgandhi 18:6a4db94011d3 29 MBED_ASSERT(pin != (PinName)NC);
sahilmgandhi 18:6a4db94011d3 30
sahilmgandhi 18:6a4db94011d3 31 if ((pin == P0_10) || (pin == P0_11)) {
sahilmgandhi 18:6a4db94011d3 32 // True open-drain pins can be configured for different I2C-bus speeds
sahilmgandhi 18:6a4db94011d3 33 return;
sahilmgandhi 18:6a4db94011d3 34 }
sahilmgandhi 18:6a4db94011d3 35
sahilmgandhi 18:6a4db94011d3 36 __IO uint32_t *reg = (uint32_t *)(LPC_IOCON_BASE + (pin & 0xFF));
sahilmgandhi 18:6a4db94011d3 37
sahilmgandhi 18:6a4db94011d3 38 if (mode == OpenDrain) {
sahilmgandhi 18:6a4db94011d3 39 *reg |= (1 << 10);
sahilmgandhi 18:6a4db94011d3 40 } else {
sahilmgandhi 18:6a4db94011d3 41 uint32_t tmp = *reg;
sahilmgandhi 18:6a4db94011d3 42 tmp &= ~(0x3 << 3);
sahilmgandhi 18:6a4db94011d3 43 tmp |= (mode & 0x3) << 3;
sahilmgandhi 18:6a4db94011d3 44 *reg = tmp;
sahilmgandhi 18:6a4db94011d3 45 }
sahilmgandhi 18:6a4db94011d3 46 }