t
Fork of mbed-dev by
targets/TARGET_Maxim/TARGET_MAX32625/mxc/ioman.c
- Committer:
- amithy
- Date:
- 2017-11-09
- Revision:
- 178:c26431f84b0d
- Parent:
- 150:02e0a0aed4ec
File content as of revision 178:c26431f84b0d:
/******************************************************************************* * Copyright (C) 2016 Maxim Integrated Products, Inc., All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included * in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE. * * Except as contained in this notice, the name of Maxim Integrated * Products, Inc. shall not be used except as stated in the Maxim Integrated * Products, Inc. Branding Policy. * * The mere transfer of this software does not imply any licenses * of trade secrets, proprietary technology, copyrights, patents, * trademarks, maskwork rights, or any other form of intellectual * property whatsoever. Maxim Integrated Products, Inc. retains all * ownership rights. * * $Date: 2016-04-27 09:05:41 -0500 (Wed, 27 Apr 2016) $ * $Revision: 22529 $ * ******************************************************************************/ #include <stddef.h> #include "mxc_config.h" #include "ioman.h" /******************************************************************************/ int IOMAN_Config(const ioman_cfg_t *cfg) { if(cfg == NULL) { return E_NULL_PTR; } if ((cfg->req_reg == &MXC_IOMAN->i2cm0_req) || (cfg->req_reg == &MXC_IOMAN->i2cm1_req)) { /* Request pin mapping */ *cfg->req_reg = cfg->req_val.value; /* Check for acknowledgment */ /* Mask the I2CM SCL push/pull bit because it does not have an ack bit*/ if (*cfg->ack_reg != (cfg->req_val.value & ~(MXC_F_IOMAN_I2CM0_REQ_SCL_PUSH_PULL))) { return E_BUSY; } } else { if (*cfg->ack_reg != cfg->req_val.value) { /* Request pin mapping */ *cfg->req_reg = cfg->req_val.value; /* Check for acknowledgment */ if (*cfg->ack_reg != cfg->req_val.value) { return E_BUSY; } } } return E_NO_ERROR; }