MacroRat / MouseCode

Mouse code for the MacroRat

Dependencies:   ITG3200 QEI

mbed-dev/targets/TARGET_Maxim/TARGET_MAX32625/pinmap.c@46:b156ef445742, 2017-06-03 (annotated)

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 /*******************************************************************************
sahilmgandhi 18:6a4db94011d3 2 * Copyright (c) 2016 Maxim Integrated Products, Inc., All Rights Reserved.
sahilmgandhi 18:6a4db94011d3 3 *
sahilmgandhi 18:6a4db94011d3 4 * Permission is hereby granted, free of charge, to any person obtaining a
sahilmgandhi 18:6a4db94011d3 5 * copy of this software and associated documentation files (the "Software"),
sahilmgandhi 18:6a4db94011d3 6 * to deal in the Software without restriction, including without limitation
sahilmgandhi 18:6a4db94011d3 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
sahilmgandhi 18:6a4db94011d3 8 * and/or sell copies of the Software, and to permit persons to whom the
sahilmgandhi 18:6a4db94011d3 9 * Software is furnished to do so, subject to the following conditions:
sahilmgandhi 18:6a4db94011d3 10 *
sahilmgandhi 18:6a4db94011d3 11 * The above copyright notice and this permission notice shall be included
sahilmgandhi 18:6a4db94011d3 12 * in all copies or substantial portions of the Software.
sahilmgandhi 18:6a4db94011d3 13 *
sahilmgandhi 18:6a4db94011d3 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
sahilmgandhi 18:6a4db94011d3 15 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
sahilmgandhi 18:6a4db94011d3 16 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
sahilmgandhi 18:6a4db94011d3 17 * IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES
sahilmgandhi 18:6a4db94011d3 18 * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
sahilmgandhi 18:6a4db94011d3 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
sahilmgandhi 18:6a4db94011d3 20 * OTHER DEALINGS IN THE SOFTWARE.
sahilmgandhi 18:6a4db94011d3 21 *
sahilmgandhi 18:6a4db94011d3 22 * Except as contained in this notice, the name of Maxim Integrated
sahilmgandhi 18:6a4db94011d3 23 * Products, Inc. shall not be used except as stated in the Maxim Integrated
sahilmgandhi 18:6a4db94011d3 24 * Products, Inc. Branding Policy.
sahilmgandhi 18:6a4db94011d3 25 *
sahilmgandhi 18:6a4db94011d3 26 * The mere transfer of this software does not imply any licenses
sahilmgandhi 18:6a4db94011d3 27 * of trade secrets, proprietary technology, copyrights, patents,
sahilmgandhi 18:6a4db94011d3 28 * trademarks, maskwork rights, or any other form of intellectual
sahilmgandhi 18:6a4db94011d3 29 * property whatsoever. Maxim Integrated Products, Inc. retains all
sahilmgandhi 18:6a4db94011d3 30 * ownership rights.
sahilmgandhi 18:6a4db94011d3 31 *******************************************************************************
sahilmgandhi 18:6a4db94011d3 32 */
sahilmgandhi 18:6a4db94011d3 33
sahilmgandhi 18:6a4db94011d3 34 #include "mbed_assert.h"
sahilmgandhi 18:6a4db94011d3 35 #include "pinmap.h"
sahilmgandhi 18:6a4db94011d3 36 #include "objects.h"
sahilmgandhi 18:6a4db94011d3 37 #include "gpio_regs.h"
sahilmgandhi 18:6a4db94011d3 38
sahilmgandhi 18:6a4db94011d3 39 void pin_function(PinName name, int function)
sahilmgandhi 18:6a4db94011d3 40 {
sahilmgandhi 18:6a4db94011d3 41 MBED_ASSERT(name != (PinName)NC);
sahilmgandhi 18:6a4db94011d3 42
sahilmgandhi 18:6a4db94011d3 43 if ((function >= 0) && (function <= 0xF)) {
sahilmgandhi 18:6a4db94011d3 44 unsigned int port = PINNAME_TO_PORT(name);
sahilmgandhi 18:6a4db94011d3 45 unsigned int pin = PINNAME_TO_PIN(name);
sahilmgandhi 18:6a4db94011d3 46 uint32_t temp = MXC_GPIO->func_sel[port] & ~(0xF << (pin*4));
sahilmgandhi 18:6a4db94011d3 47 MXC_GPIO->func_sel[port] = temp | ((uint32_t)function << (pin*4));
sahilmgandhi 18:6a4db94011d3 48 } else {
sahilmgandhi 18:6a4db94011d3 49 /* Assume this is a pointer to a pin function object */
sahilmgandhi 18:6a4db94011d3 50 pin_function_t *obj = (pin_function_t*)function;
sahilmgandhi 18:6a4db94011d3 51
sahilmgandhi 18:6a4db94011d3 52 if ((*obj->reg_ack & obj->ack_mask) != obj->req_val) {
sahilmgandhi 18:6a4db94011d3 53 /* Request pin mapping */
sahilmgandhi 18:6a4db94011d3 54 *obj->reg_req |= obj->req_val;
sahilmgandhi 18:6a4db94011d3 55
sahilmgandhi 18:6a4db94011d3 56 /* Check for acknowledgment */
sahilmgandhi 18:6a4db94011d3 57 MBED_ASSERT((*obj->reg_ack & obj->ack_mask) == obj->req_val);
sahilmgandhi 18:6a4db94011d3 58 }
sahilmgandhi 18:6a4db94011d3 59 }
sahilmgandhi 18:6a4db94011d3 60 }
sahilmgandhi 18:6a4db94011d3 61
sahilmgandhi 18:6a4db94011d3 62 void pin_mode(PinName name, PinMode mode)
sahilmgandhi 18:6a4db94011d3 63 {
sahilmgandhi 18:6a4db94011d3 64 MBED_ASSERT(name != (PinName)NC);
sahilmgandhi 18:6a4db94011d3 65 unsigned int port = PINNAME_TO_PORT(name);
sahilmgandhi 18:6a4db94011d3 66 unsigned int pin = PINNAME_TO_PIN(name);
sahilmgandhi 18:6a4db94011d3 67
sahilmgandhi 18:6a4db94011d3 68 /* Must set mode while retaining direction */
sahilmgandhi 18:6a4db94011d3 69
sahilmgandhi 18:6a4db94011d3 70 /* Get the current direction */
sahilmgandhi 18:6a4db94011d3 71 uint32_t curr_mode = (MXC_GPIO->out_mode[port] >> (pin * 4)) & 0xF;
sahilmgandhi 18:6a4db94011d3 72 PinDirection direction = PIN_OUTPUT;
sahilmgandhi 18:6a4db94011d3 73 if ((curr_mode == MXC_V_GPIO_OUT_MODE_HIGH_Z_WEAK_PULLUP) ||
sahilmgandhi 18:6a4db94011d3 74 (curr_mode == MXC_V_GPIO_OUT_MODE_HIGH_Z_WEAK_PULLDOWN) ||
sahilmgandhi 18:6a4db94011d3 75 (curr_mode == MXC_V_GPIO_OUT_MODE_NORMAL_HIGH_Z)) {
sahilmgandhi 18:6a4db94011d3 76 direction = PIN_INPUT;
sahilmgandhi 18:6a4db94011d3 77 }
sahilmgandhi 18:6a4db94011d3 78
sahilmgandhi 18:6a4db94011d3 79 /* Set mode based on current direction */
sahilmgandhi 18:6a4db94011d3 80 pin_dir_mode(name, direction, mode);
sahilmgandhi 18:6a4db94011d3 81 }
sahilmgandhi 18:6a4db94011d3 82