/****************************************************************************** * Copyright (C) 2023 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. * ******************************************************************************/ #include "mxc_device.h" #include "mxc_errors.h" #include "mxc_assert.h" #include "mxc_sys.h" #include "trng_revb.h" #include "trng.h" /* ************************************************************************* */ /* Global Control/Configuration functions */ /* ************************************************************************* */ /********************************************************/ int MXC_TRNG_Init(void) { MXC_SYS_ClockEnable(MXC_SYS_PERIPH_CLOCK_TRNG); MXC_TRNG_RevB_Init(); return E_NO_ERROR; } void MXC_TRNG_EnableInt(void) { MXC_TRNG_RevB_EnableInt((mxc_trng_revb_regs_t *)MXC_TRNG); } void MXC_TRNG_DisableInt(void) { MXC_TRNG_RevB_DisableInt((mxc_trng_revb_regs_t *)MXC_TRNG); } int MXC_TRNG_Shutdown(void) { int error = MXC_TRNG_RevB_Shutdown(); MXC_SYS_ClockDisable(MXC_SYS_PERIPH_CLOCK_TRNG); return error; } void MXC_TRNG_Handler(void) { MXC_TRNG_RevB_Handler((mxc_trng_revb_regs_t *)MXC_TRNG); } /* ************************************************************************* */ /* True Random Number Generator(TRNG) functions */ /* ************************************************************************* */ int MXC_TRNG_RandomInt(void) { return MXC_TRNG_RevB_RandomInt((mxc_trng_revb_regs_t *)MXC_TRNG); } int MXC_TRNG_Random(uint8_t *data, uint32_t len) { return MXC_TRNG_RevB_Random(data, len); } void MXC_TRNG_RandomAsync(uint8_t *data, uint32_t len, mxc_trng_complete_t callback) { MXC_TRNG_RevB_RandomAsync((mxc_trng_revb_regs_t *)MXC_TRNG, data, len, callback); } void MXC_TRNG_GenerateKey(void) { MXC_TRNG_RevB_GenerateKey((mxc_trng_revb_regs_t *)MXC_TRNG); } int MXC_TRNG_HealthTest(void) { if ((MXC_GCR->revision & 0xF0) == 0xA0) { // ME15 Rev. A does not support health tests. return E_NOT_SUPPORTED; } return MXC_TRNG_RevB_HealthTest((mxc_trng_revb_regs_t *)MXC_TRNG); }