Diff: targets/TARGET_Realtek/TARGET_AMEBA/trng_api.c

Revision:

182:57724642e740

Parent:

181:96ed750bd169

--- a/targets/TARGET_Realtek/TARGET_AMEBA/trng_api.c	Wed Jan 17 15:23:54 2018 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,73 +0,0 @@
-/* mbed Microcontroller Library
- * Copyright (c) 2013-2016 Realtek Semiconductor Corp.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-#include "trng_api.h"
-#include "analogin_api.h"
-#include "analogin_ext.h"
-
-#ifdef DEVICE_TRNG
-
-
-void trng_init(trng_t *obj)
-{
-    _memset((void *)obj, 0, sizeof(trng_t));
-    analogin_init(&obj->tradcng, ADC0);
-    obj->inited = 1;
-}
-
-void trng_free(trng_t *obj)
-{
-    if (!obj->inited) {
-        return;
-    }
-    
-    obj->inited = 0;
-    analogin_deinit(&obj->tradcng);
-}
-
-static void trng_get_byte(trng_t *obj, unsigned char *byte)
-{
-    size_t bit;
-    uint32_t adc[2];
-    
-    PSAL_ADC_MNGT_ADPT      pSalADCMngtAdpt     = NULL;
-    PSAL_ADC_HND            pSalADCHND          = NULL;
-
-    pSalADCMngtAdpt         = &(obj->tradcng.SalADCMngtAdpt);
-    pSalADCHND              = &(pSalADCMngtAdpt->pSalHndPriv->SalADCHndPriv);
-
-    *byte = 0;
-    for (bit = 0; bit < 8; bit++) {
-        RtkADCRxManualRotate(pSalADCHND, adc);
-        *byte |= (adc[0] & 0x01) << bit;
-    }
-}
-
-int trng_get_bytes(trng_t *obj, uint8_t *buf, size_t len, size_t *output_len)
-{
-    size_t i;
-    
-    if (!obj->inited) {
-        return -1;
-    }
-
-    for (i = 0; i < len; i++) {
-        trng_get_byte(obj, buf + i);
-    }
-
-    *output_len = len;
-    return 0;
-}
-#endif