75 lines
1.3 KiB
C
75 lines
1.3 KiB
C
#if !defined(MBEDTLS_CONFIG_FILE)
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#include "mbedtls/config.h"
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#else
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#include MBEDTLS_CONFIG_FILE
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#endif
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#include "tos_k.h"
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#include "timing_alt.h"
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unsigned long mbedtls_timing_get_timer(struct mbedtls_timing_hr_time *val, int reset)
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{
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struct mbedtls_timing_hr_time now;
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now.timer_ms = tos_systick_get();
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if (reset) {
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val->timer_ms = now.timer_ms;
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}
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return (unsigned long)(now.timer_ms - val->timer_ms);
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}
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/*
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* Set delays to watch
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*/
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void mbedtls_timing_set_delay(void *data, uint32_t int_ms, uint32_t fin_ms)
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{
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mbedtls_timing_delay_context *ctx;
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if (!data) {
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return;
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}
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ctx = (mbedtls_timing_delay_context*)data;
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ctx->int_ms = int_ms;
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ctx->fin_ms = fin_ms;
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if (fin_ms != 0) {
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(void)mbedtls_timing_get_timer(&ctx->timer, 1);
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}
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}
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/*
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* Get number of delays expired
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*/
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int mbedtls_timing_get_delay(void *data)
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{
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unsigned long elapsed_ms;
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mbedtls_timing_delay_context *ctx;
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if (!data) {
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return -1;
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}
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ctx = (mbedtls_timing_delay_context*)data;
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if (ctx->fin_ms == 0) {
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return -1;
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}
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elapsed_ms = mbedtls_timing_get_timer(&ctx->timer, 0);
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if (elapsed_ms >= ctx->fin_ms) {
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return 2;
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}
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if (elapsed_ms >= ctx->int_ms) {
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return 1;
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}
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return 0;
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}
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