MacroRat / MouseCode

Mouse code for the MacroRat

Dependencies:   ITG3200 QEI

mbed-dev/targets/TARGET_STM/TARGET_STM32F0/i2c_device.h@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 /* mbed Microcontroller Library
sahilmgandhi 18:6a4db94011d3 2 *******************************************************************************
sahilmgandhi 18:6a4db94011d3 3 * Copyright (c) 2015, STMicroelectronics
sahilmgandhi 18:6a4db94011d3 4 * All rights reserved.
sahilmgandhi 18:6a4db94011d3 5 *
sahilmgandhi 18:6a4db94011d3 6 * Redistribution and use in source and binary forms, with or without
sahilmgandhi 18:6a4db94011d3 7 * modification, are permitted provided that the following conditions are met:
sahilmgandhi 18:6a4db94011d3 8 *
sahilmgandhi 18:6a4db94011d3 9 * 1. Redistributions of source code must retain the above copyright notice,
sahilmgandhi 18:6a4db94011d3 10 * this list of conditions and the following disclaimer.
sahilmgandhi 18:6a4db94011d3 11 * 2. Redistributions in binary form must reproduce the above copyright notice,
sahilmgandhi 18:6a4db94011d3 12 * this list of conditions and the following disclaimer in the documentation
sahilmgandhi 18:6a4db94011d3 13 * and/or other materials provided with the distribution.
sahilmgandhi 18:6a4db94011d3 14 * 3. Neither the name of STMicroelectronics nor the names of its contributors
sahilmgandhi 18:6a4db94011d3 15 * may be used to endorse or promote products derived from this software
sahilmgandhi 18:6a4db94011d3 16 * without specific prior written permission.
sahilmgandhi 18:6a4db94011d3 17 *
sahilmgandhi 18:6a4db94011d3 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
sahilmgandhi 18:6a4db94011d3 19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
sahilmgandhi 18:6a4db94011d3 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
sahilmgandhi 18:6a4db94011d3 21 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
sahilmgandhi 18:6a4db94011d3 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
sahilmgandhi 18:6a4db94011d3 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
sahilmgandhi 18:6a4db94011d3 24 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
sahilmgandhi 18:6a4db94011d3 25 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
sahilmgandhi 18:6a4db94011d3 26 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
sahilmgandhi 18:6a4db94011d3 27 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
sahilmgandhi 18:6a4db94011d3 28 *******************************************************************************
sahilmgandhi 18:6a4db94011d3 29 */
sahilmgandhi 18:6a4db94011d3 30 #ifndef MBED_I2C_DEVICE_H
sahilmgandhi 18:6a4db94011d3 31 #define MBED_I2C_DEVICE_H
sahilmgandhi 18:6a4db94011d3 32
sahilmgandhi 18:6a4db94011d3 33 #include "cmsis.h"
sahilmgandhi 18:6a4db94011d3 34
sahilmgandhi 18:6a4db94011d3 35 #ifdef __cplusplus
sahilmgandhi 18:6a4db94011d3 36 extern "C" {
sahilmgandhi 18:6a4db94011d3 37 #endif
sahilmgandhi 18:6a4db94011d3 38
sahilmgandhi 18:6a4db94011d3 39 #ifdef DEVICE_I2C
sahilmgandhi 18:6a4db94011d3 40
sahilmgandhi 18:6a4db94011d3 41 #if defined I2C1_BASE
sahilmgandhi 18:6a4db94011d3 42 #define I2C1_EV_IRQn I2C1_IRQn
sahilmgandhi 18:6a4db94011d3 43 #define I2C1_ER_IRQn I2C1_IRQn
sahilmgandhi 18:6a4db94011d3 44 #endif
sahilmgandhi 18:6a4db94011d3 45 #if defined I2C2_BASE
sahilmgandhi 18:6a4db94011d3 46 #define I2C2_EV_IRQn I2C2_IRQn
sahilmgandhi 18:6a4db94011d3 47 #define I2C2_ER_IRQn I2C2_IRQn
sahilmgandhi 18:6a4db94011d3 48 #endif
sahilmgandhi 18:6a4db94011d3 49 #if defined I2C3_BASE
sahilmgandhi 18:6a4db94011d3 50 #define I2C3_EV_IRQn I2C3_IRQn
sahilmgandhi 18:6a4db94011d3 51 #define I2C3_ER_IRQn I2C3_IRQn
sahilmgandhi 18:6a4db94011d3 52 #endif
sahilmgandhi 18:6a4db94011d3 53
sahilmgandhi 18:6a4db94011d3 54 #define I2C_IT_ALL (I2C_IT_ERRI|I2C_IT_TCI|I2C_IT_STOPI|I2C_IT_NACKI|I2C_IT_ADDRI|I2C_IT_RXI|I2C_IT_TXI)
sahilmgandhi 18:6a4db94011d3 55
sahilmgandhi 18:6a4db94011d3 56
sahilmgandhi 18:6a4db94011d3 57 /* Define IP version */
sahilmgandhi 18:6a4db94011d3 58 #define I2C_IP_VERSION_V2
sahilmgandhi 18:6a4db94011d3 59
sahilmgandhi 18:6a4db94011d3 60 /* Family specifc settings for clock source */
sahilmgandhi 18:6a4db94011d3 61 #define I2CAPI_I2C1_CLKSRC RCC_I2C1CLKSOURCE_SYSCLK
sahilmgandhi 18:6a4db94011d3 62
sahilmgandhi 18:6a4db94011d3 63 /* Provide the suitable timing depending on requested frequencie */
sahilmgandhi 18:6a4db94011d3 64 static inline uint32_t get_i2c_timing(int hz)
sahilmgandhi 18:6a4db94011d3 65 {
sahilmgandhi 18:6a4db94011d3 66 uint32_t tim = 0;
sahilmgandhi 18:6a4db94011d3 67
sahilmgandhi 18:6a4db94011d3 68 switch (hz) {
sahilmgandhi 18:6a4db94011d3 69 case 100000:
sahilmgandhi 18:6a4db94011d3 70 tim = 0x10805E89; // Standard mode with Rise Time = 400ns and Fall Time = 100ns
sahilmgandhi 18:6a4db94011d3 71 break;
sahilmgandhi 18:6a4db94011d3 72 case 400000:
sahilmgandhi 18:6a4db94011d3 73 tim = 0x00901850; // Fast mode with Rise Time = 250ns and Fall Time = 100ns
sahilmgandhi 18:6a4db94011d3 74 break;
sahilmgandhi 18:6a4db94011d3 75 case 1000000:
sahilmgandhi 18:6a4db94011d3 76 tim = 0x00700818; // Fast mode Plus with Rise Time = 60ns and Fall Time = 100ns
sahilmgandhi 18:6a4db94011d3 77 break;
sahilmgandhi 18:6a4db94011d3 78 default:
sahilmgandhi 18:6a4db94011d3 79 break;
sahilmgandhi 18:6a4db94011d3 80 }
sahilmgandhi 18:6a4db94011d3 81 return tim;
sahilmgandhi 18:6a4db94011d3 82 }
sahilmgandhi 18:6a4db94011d3 83
sahilmgandhi 18:6a4db94011d3 84 #endif // DEVICE_I2C
sahilmgandhi 18:6a4db94011d3 85
sahilmgandhi 18:6a4db94011d3 86 #endif