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- #include <stdio.h>
- #include <stdlib.h>
- #include <strings.h>
- #include <time.h>
-
- #include "serial.h"
-
- #define OK 0x42
- #define ERROR 0x23
-
- void readAck(void);
- int serialWriteString(char *s);
- int serialReadTry(char *data, size_t length);
- int serialWriteTry(char *data, size_t length);
- void intHandler(int dummy);
-
- volatile int keepRunning = 1;
-
- #define suicide intHandler(0)
-
- int main(int argc, char *argv[]) {
- char c;
- int i, f;
- int animationCount = 1;
- int frameCount = 2;
- int duration = 3;
- int data = -1;
- char command = -1;
-
- if (argc < 2) {
- printf("Usage:\n%s /dev/port [-d 0xff]\n", argv[0]);
- return 0;
- }
-
- if (serialOpen(argv[1]) != 0) {
- printf("Could not open port: %s\n", argv[1]);
- return 0;
- }
-
- if ((argc >= 4) && (strcmp(argv[2], "-d") == 0)) {
- sscanf(argv[3], "%x", &data);
- frameCount = 1;
- }
-
- if (argc == 3) {
- command = argv[2][0];
- }
-
- signal(SIGINT, intHandler);
- signal(SIGQUIT, intHandler);
-
- printf("Port opened. Sending test data:\n");
-
- printf("\tSending command 's'...");
- if (command != -1) {
- c = command;
- } else {
- c = 's';
- }
- if (serialWriteTry(&c, 1) != 0) {
- printf(" Could not send it!\n");
- suicide;
- }
- printf(" Success!\n");
-
- if (command != -1) {
- suicide;
- }
-
- readAck();
-
- printf("\tSending anim count (%d)...", animationCount);
- c = (char)animationCount;
- if (serialWriteTry(&c, 1) != 0) {
- printf(" Could not send it!\n");
- suicide;
- }
- printf(" Success!\n");
-
- readAck();
-
- printf("\tSending frame count (%d)...", frameCount);
- c = (char)frameCount;
- if (serialWriteTry(&c, 1) != 0) {
- printf(" Could not send it!\n");
- suicide;
- }
- printf(" Success!\n");
-
- readAck();
-
- for (f = 0; f < frameCount; f++) {
- printf("\tSending duration (%d)...", duration);
- c = (char)duration;
- if (serialWriteTry(&c, 1) != 0) {
- printf(" Could not send it!\n");
- suicide;
- }
- printf(" Success!\n");
-
- readAck();
-
- printf("\tSending data");
-
- for(i = 0; i < 64; i++) {
- if (data == -1) {
- if (f == 0) {
- c = (char)i; // Some test data
- } else {
- c = (char)(63 - i);
- }
- } else {
- c = (char)data;
- }
-
- if (serialWriteTry(&c, 1) != 0) {
- printf(" Error while sending!\n");
- suicide;
- } else {
- printf(".");
- }
- }
- printf(" Success!\n");
-
- readAck();
- }
-
- printf("\tSending end sequence");
- for (i = 0; i < 4; i++) {
- // Send 4 OKs
- c = OK;
- if (serialWriteTry(&c, 1) != 0) {
- printf(" Error while sending!\n");
- suicide;
- } else {
- printf(".");
- }
- }
- printf(" Success!\n");
-
- readAck();
-
- printf("Finished. Success!\n");
-
- serialClose();
- return 0;
- }
-
- void readAck() {
- char c;
- printf("Awaiting acknowledge...");
- if (serialReadTry(&c, 1) != 0) {
- printf(" Could not read!\n");
- suicide;
- }
- if (c != OK) {
- printf(" Was not OK!\n");
- suicide;
- }
- printf(" OK\n");
- }
-
- int serialWriteString(char *s) {
- return serialWriteTry(s, strlen(s));
- }
-
- // 1 on error, 0 on success
- int serialReadTry(char *data, size_t length) {
- int i = 0;
- int written = 0;
- int ret;
- time_t start, end;
- start = time(NULL);
-
- while (keepRunning) {
- ret = serialRead((data + written), (length - written));
- if (ret == -1) {
- i++;
- } else {
- written += ret;
- }
- if (i > 10) {
- return 1;
- }
- if (written == length) {
- break;
- }
- end = time(NULL);
- if (difftime(start, end) > 2) {
- printf("Timeout went by. Exit!");
- suicide;
- }
- }
- return 0;
- }
-
- // 1 on error, 0 on success
- int serialWriteTry(char *data, size_t length) {
- int i = 0;
- int written = 0;
- int ret;
- while (keepRunning) {
- ret = serialWrite((data + written), (length - written));
- if (ret == -1) {
- i++;
- } else {
- written += ret;
- }
- if (i > 10) {
- return 1;
- }
- if (written == length) {
- break;
- }
- }
- return 0;
- }
-
- void intHandler(int dummy) {
- keepRunning = 0;
- serialClose();
- exit(0);
- }
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