Rework headless client interface

diff --git a/examples/headless/main.c b/examples/headless/main.c
index 728e2323619a9a6e7efabec78dae0d2e6f039b1b..0646f3b6ddfc2afe985c01c162834830e6796676 100644 (file)
--- a/examples/headless/main.c
+++ b/examples/headless/main.c
@@ -95,6 +95,7 @@ int main(int argc, char *argv[]) {
        struct gramCtx ctx;
        int serial_port, baudrate = 0;
        uint32_t read_value, expected_value;
+       const int kDumpWidth = 8;
 
        if (argc != 3) {
                fprintf(stderr, "Usage: %s port baudrate\n", argv[0]);
@@ -124,14 +125,25 @@ int main(int argc, char *argv[]) {
        }
        printf("done\n");
 
-       for (size_t i = 0; i < 100; i++) {
+       printf("Reading data sequence...\n");
+       for (size_t i = 0; i < 256; i++) {
+               if ((i % kDumpWidth) == 0) {
+                       printf("%08x | ", (uint32_t)&(ddr[i]));
+               }
+
                read_value = gram_read(&ctx, &(ddr[i]));
                expected_value = 0x12345678 + (1 << 10*i)%0x100000000;
-               printf("%p = %08x", &(ddr[i]), read_value);
                if (read_value != expected_value) {
-                       printf(" /!\\ DID NOT MATCH EXPECTED VALUE (%08x)", expected_value);
+                       printf("\033[0;31m%08x\033[0m", read_value);
+               } else {
+                       printf("\033[0;32m%08x\033[0m", read_value);
+               }
+               
+               if ((i % kDumpWidth) == kDumpWidth-1) {
+                       printf("\n");
+               } else {
+                       printf(" ");
                }
-               printf("\n");
        }
 
        close(serial_port);