mainscnt/mains-frequency-counter-rpi
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prepare buffer

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This commit is contained in:
Wolfgang Hottgenroth
2021-03-04 16:35:01 +01:00
parent a97fc6f725
commit c80cb92c53
2 changed files with 25 additions and 2 deletions
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4
src/Makefile
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@ -5,8 +5,8 @@ LDFLAGS=-lwiringPi -lconfig
INST_DIR=/opt/sbin
REFCNT:=$(shell git rev-list --all --count)
VERSION:=$(shell cat VERSION)
REFCNT := $(shell git rev-list --all --count)
VERSION := $(shell git rev-parse --short=8 HEAD)
.PHONY: all
all: counter

23
src/sinkSender.c
View File

@ -1,4 +1,5 @@
#include <stdint.h>
#include <string.h>
#include "sinkSender.h"
#include "logging.h"
#include "led.h"
@ -23,6 +24,8 @@ const char *sharedSecret;
static t_minuteBuffer minuteBuffer;
static uint32_t secondOfMinute;
extern char VERSION[];
void sinkSenderInit(config_t *pCfg) {
if (! config_lookup_string(pCfg, SINKSERVER_KEY, &sinkServer)) {
@ -54,8 +57,28 @@ void sinkSenderPut(uint32_t seconds, uint32_t frequency) {
minuteBuffer.s.timestamp = seconds;
}
minuteBuffer.s.frequency[secondOfMinute] = frequency;
secondOfMinute += 1;
if (secondOfMinute == SECONDS_PER_MINUTE) {
logmsg(LOG_DEBUG, "minute is full");
minuteBuffer->s.totalRunningHours = 0;
minuteBuffer->s.totalPowercycles = 0;
minuteBuffer->s.totalWatchdogResets = 0;
minuteBuffer->s.version = strtol(VERSION, NULL, 16);
memset(minuteBuffer->s.deviceId, 0, sizeof(minuteBuffer->s.deviceId));
strcpy(minuteBuffer->s.deviceId, config->deviceId);
memcpy(minuteBuffer->s.hash, config->sharedSecret, SHA256_BLOCK_SIZE);
SHA256_CTX ctx;
sha256_init(&ctx);
sha256_update(&ctx, minuteBuffer->b, sizeof(minuteBuffer->b));
sha256_final(&ctx, minuteBuffer->s.hash);
}
led(E_GREEN, true);