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[trinked.git] / trinket.c

diff --git a/trinket.c b/trinket.c
index 6ff5e4d..ba5fdb3 100644 (file)
--- a/trinket.c
+++ b/trinket.c
@@ -75,7 +75,8 @@ typedef struct {
        uint32_t                respLen; /* 0 means variable, > 0 fixed */
 } TrinketProtoDesc;
 
-static const TrinketProtoDesc protoDesc[] = { 
+/* hardcoded knowledge from  docs/geyger.pdf */
+static const TrinketProtoDesc protoDesc[] = {
        {CMD_PING,                      4,              5                               },
        {CMD_VCC_VALUE,         4,              8                               },
        {CMD_VCC_ALARM,         8,              8                               },
@@ -174,7 +175,7 @@ trinketPing() {
        }
 
        if (r != sizeof(resp)) {
-               fprintf(stderr, "hid_read_timeout  returns %d instead of %u\n", r, sizeof(resp));
+               fprintf(stderr, "hid_read_timeout  returns %d instead of %u\n", r, (unsigned int)sizeof(resp));
                return ERR_ERROR;
        }
 
@@ -247,7 +248,7 @@ trinketGetCumDose(double *value) {
        }
 
        if (r != sizeof(resp)) {
-               fprintf(stderr, "hid_read_timeout  returns %d instead of %u\n", r, sizeof(resp));
+               fprintf(stderr, "hid_read_timeout  returns %d instead of %u\n", r, (unsigned int)sizeof(resp));
                return ERR_ERROR;
        }