Genadi Zawidowski / mbed-dev

mbed library sources. Supersedes mbed-src. Edited target satm32f446 for user USART3 pins

Dependents:   IGLOO_board

Fork of mbed-dev by mbed official

targets/TARGET_Maxim/TARGET_MAX32620C/mxc/ioman.c@186:707f6e361f3e, 2018-06-22 (annotated)

Committer:
Anna Bridge
Date:
Fri Jun 22 16:45:37 2018 +0100
Revision:
186:707f6e361f3e
mbed-dev library. Release version 162

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Anna Bridge 186:707f6e361f3e 1 /*******************************************************************************
Anna Bridge 186:707f6e361f3e 2 * Copyright (C) 2016 Maxim Integrated Products, Inc., All Rights Reserved.
Anna Bridge 186:707f6e361f3e 3 *
Anna Bridge 186:707f6e361f3e 4 * Permission is hereby granted, free of charge, to any person obtaining a
Anna Bridge 186:707f6e361f3e 5 * copy of this software and associated documentation files (the "Software"),
Anna Bridge 186:707f6e361f3e 6 * to deal in the Software without restriction, including without limitation
Anna Bridge 186:707f6e361f3e 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
Anna Bridge 186:707f6e361f3e 8 * and/or sell copies of the Software, and to permit persons to whom the
Anna Bridge 186:707f6e361f3e 9 * Software is furnished to do so, subject to the following conditions:
Anna Bridge 186:707f6e361f3e 10 *
Anna Bridge 186:707f6e361f3e 11 * The above copyright notice and this permission notice shall be included
Anna Bridge 186:707f6e361f3e 12 * in all copies or substantial portions of the Software.
Anna Bridge 186:707f6e361f3e 13 *
Anna Bridge 186:707f6e361f3e 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
Anna Bridge 186:707f6e361f3e 15 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
Anna Bridge 186:707f6e361f3e 16 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
Anna Bridge 186:707f6e361f3e 17 * IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES
Anna Bridge 186:707f6e361f3e 18 * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
Anna Bridge 186:707f6e361f3e 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
Anna Bridge 186:707f6e361f3e 20 * OTHER DEALINGS IN THE SOFTWARE.
Anna Bridge 186:707f6e361f3e 21 *
Anna Bridge 186:707f6e361f3e 22 * Except as contained in this notice, the name of Maxim Integrated
Anna Bridge 186:707f6e361f3e 23 * Products, Inc. shall not be used except as stated in the Maxim Integrated
Anna Bridge 186:707f6e361f3e 24 * Products, Inc. Branding Policy.
Anna Bridge 186:707f6e361f3e 25 *
Anna Bridge 186:707f6e361f3e 26 * The mere transfer of this software does not imply any licenses
Anna Bridge 186:707f6e361f3e 27 * of trade secrets, proprietary technology, copyrights, patents,
Anna Bridge 186:707f6e361f3e 28 * trademarks, maskwork rights, or any other form of intellectual
Anna Bridge 186:707f6e361f3e 29 * property whatsoever. Maxim Integrated Products, Inc. retains all
Anna Bridge 186:707f6e361f3e 30 * ownership rights.
Anna Bridge 186:707f6e361f3e 31 *
Anna Bridge 186:707f6e361f3e 32 * $Date: 2016-05-31 15:46:18 -0500 (Tue, 31 May 2016) $
Anna Bridge 186:707f6e361f3e 33 * $Revision: 23105 $
Anna Bridge 186:707f6e361f3e 34 *
Anna Bridge 186:707f6e361f3e 35 ******************************************************************************/
Anna Bridge 186:707f6e361f3e 36
Anna Bridge 186:707f6e361f3e 37 #include <stddef.h>
Anna Bridge 186:707f6e361f3e 38 #include "mxc_config.h"
Anna Bridge 186:707f6e361f3e 39 #include "ioman.h"
Anna Bridge 186:707f6e361f3e 40
Anna Bridge 186:707f6e361f3e 41 /******************************************************************************/
Anna Bridge 186:707f6e361f3e 42 int IOMAN_Config(const ioman_cfg_t *cfg)
Anna Bridge 186:707f6e361f3e 43 {
Anna Bridge 186:707f6e361f3e 44
Anna Bridge 186:707f6e361f3e 45 if(cfg == NULL) {
Anna Bridge 186:707f6e361f3e 46 return E_NULL_PTR;
Anna Bridge 186:707f6e361f3e 47 }
Anna Bridge 186:707f6e361f3e 48
Anna Bridge 186:707f6e361f3e 49 if ((cfg->req_reg == &MXC_IOMAN->i2cm0_req) || (cfg->req_reg == &MXC_IOMAN->i2cm1_req)) {
Anna Bridge 186:707f6e361f3e 50 /* Request pin mapping */
Anna Bridge 186:707f6e361f3e 51 *cfg->req_reg = cfg->req_val.value;
Anna Bridge 186:707f6e361f3e 52
Anna Bridge 186:707f6e361f3e 53 /* Check for acknowledgment */
Anna Bridge 186:707f6e361f3e 54 if (*cfg->ack_reg != cfg->req_val.value) {
Anna Bridge 186:707f6e361f3e 55 return E_BUSY;
Anna Bridge 186:707f6e361f3e 56 }
Anna Bridge 186:707f6e361f3e 57 }
Anna Bridge 186:707f6e361f3e 58 else {
Anna Bridge 186:707f6e361f3e 59 if (*cfg->ack_reg != cfg->req_val.value) {
Anna Bridge 186:707f6e361f3e 60 /* Request pin mapping */
Anna Bridge 186:707f6e361f3e 61 *cfg->req_reg = cfg->req_val.value;
Anna Bridge 186:707f6e361f3e 62
Anna Bridge 186:707f6e361f3e 63 /* Check for acknowledgment */
Anna Bridge 186:707f6e361f3e 64 if (*cfg->ack_reg != cfg->req_val.value) {
Anna Bridge 186:707f6e361f3e 65 return E_BUSY;
Anna Bridge 186:707f6e361f3e 66 }
Anna Bridge 186:707f6e361f3e 67 }
Anna Bridge 186:707f6e361f3e 68 }
Anna Bridge 186:707f6e361f3e 69
Anna Bridge 186:707f6e361f3e 70 return E_NO_ERROR;
Anna Bridge 186:707f6e361f3e 71 }