X-Git-Url: http://sigrok.org/gitweb/?a=blobdiff_plain;f=src%2Fhardware%2Fagilent-dmm%2Fsched.c;h=46f4ade210d00f440a4227cf7e0e9753c9247da6;hb=e743a47d6d23050c72aa1276c5df4a45a6bc5357;hp=7b41036542220211acf84586da305e2a50d701bf;hpb=110fe1b4a2cac30140b7f5483e256f4c2fdf068c;p=libsigrok.git diff --git a/src/hardware/agilent-dmm/sched.c b/src/hardware/agilent-dmm/sched.c index 7b410365..46f4ade2 100644 --- a/src/hardware/agilent-dmm/sched.c +++ b/src/hardware/agilent-dmm/sched.c @@ -106,7 +106,7 @@ SR_PRIV int agdmm_receive_data(int fd, int revents, void *cb_data) if (revents == G_IO_IN) { /* Serial data arrived. */ while(AGDMM_BUFSIZE - devc->buflen - 1 > 0) { - len = serial_read(serial, devc->buf + devc->buflen, 1); + len = serial_read_nonblocking(serial, devc->buf + devc->buflen, 1); if (len < 1) break; devc->buflen += len; @@ -137,11 +137,11 @@ static int agdmm_send(const struct sr_dev_inst *sdi, const char *cmd) sr_spew("Sending '%s'.", cmd); strncpy(buf, cmd, 28); if (!strncmp(buf, "*IDN?", 5)) - strncat(buf, "\r\n", 32); + strcat(buf, "\r\n"); else - strncat(buf, "\n\r\n", 32); - if (serial_write(serial, buf, strlen(buf)) == -1) { - sr_err("Failed to send: %s.", strerror(errno)); + strcat(buf, "\n\r\n"); + if (serial_write_blocking(serial, buf, strlen(buf), SERIAL_WRITE_TIMEOUT_MS) < (int)strlen(buf)) { + sr_err("Failed to send."); return SR_ERR; }