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36 lines
591 B
36 lines
591 B
#include <stdio.h>
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#include <stdlib.h>
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#include <signal.h>
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#include <assert.h>
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#include "gex.h"
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static GexClient *gex;
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/** ^C handler to close it gracefully */
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static void sigintHandler(int sig)
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{
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if (gex != NULL) {
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GEX_DeInit(gex);
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}
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exit(0);
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}
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#define LED_CMD_TOGGLE 0x02
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int main()
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{
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// Bind ^C handler for safe shutdown
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signal(SIGINT, sigintHandler);
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gex = GEX_Init("/dev/ttyACM0", 200);
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if (!gex) exit(1);
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GexUnit *led = GEX_Unit(gex, "LED");
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assert(led != NULL);
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GEX_Send(led, LED_CMD_TOGGLE, NULL, 0);
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GEX_DeInit(gex);
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return 0;
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}
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