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57 lines
1.2 KiB
57 lines
1.2 KiB
#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 <unistd.h>
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#include "gex.h"
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#include "utils/hexdump.h"
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#include "utils/payload_builder.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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(void)sig;
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if (gex != NULL) GEX_DeInit(gex);
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exit(0);
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}
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/** Main function - test the library */
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int main(void)
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{
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// Bind ^C handler for safe shutdown - need to release the port
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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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// INI read example
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// char buffer[2000];
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// uint32_t len = GEX_IniRead(gex, buffer, 2000);
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// printf("%.*s", len, buffer);
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// DO example
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GexUnit *bg = GEX_GetUnit(gex, "bargraph", "DO");
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struct DO_Set {
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uint16_t bits;
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} __attribute__((packed));
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struct DO_Set cmd_set;
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for (int i = 0; i < 100; i++) {
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int n = i%20;
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if(n>=10) n=10-(n-10);
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cmd_set.bits = ~(((1 << (n))-1)<<(10-n));
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GEX_Send(bg, 0x00, (uint8_t *)&cmd_set, sizeof(cmd_set));
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usleep(40000);
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}
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// all dark
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cmd_set.bits = 0x3FF;
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GEX_Send(bg, 0x00, (uint8_t *)&cmd_set, sizeof(cmd_set));
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GEX_DeInit(gex);
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return 0;
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}
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