agilent-dmm: Use sr_dev_inst to store connection handle

[libsigrok.git] / hardware / agilent-dmm / sched.c

diff --git a/hardware/agilent-dmm/sched.c b/hardware/agilent-dmm/sched.c
index d7d720d3227af38c87efc2ffb9eaf46cb4a5350d..0937a2859b4d5557f6f461fd68ef5e730bd9986e 100644 (file)
--- a/hardware/agilent-dmm/sched.c
+++ b/hardware/agilent-dmm/sched.c
@@ -91,6 +91,7 @@ SR_PRIV int agdmm_receive_data(int fd, int revents, void *cb_data)
 {
        struct sr_dev_inst *sdi;
        struct dev_context *devc;
+       struct sr_serial_dev_inst *serial;
        int len;
 
        (void)fd;
@@ -101,10 +102,11 @@ SR_PRIV int agdmm_receive_data(int fd, int revents, void *cb_data)
        if (!(devc = sdi->priv))
                return TRUE;
 
+       serial = sdi->conn;
        if (revents == G_IO_IN) {
                /* Serial data arrived. */
                while(AGDMM_BUFSIZE - devc->buflen - 1 > 0) {
-                       len = serial_read(devc->serial, devc->buf + devc->buflen, 1);
+                       len = serial_read(serial, devc->buf + devc->buflen, 1);
                        if (len < 1)
                                break;
                        devc->buflen += len;
@@ -127,17 +129,18 @@ SR_PRIV int agdmm_receive_data(int fd, int revents, void *cb_data)
 
 static int agdmm_send(const struct sr_dev_inst *sdi, const char *cmd)
 {
-       struct dev_context *devc;
+       struct sr_serial_dev_inst *serial;
        char buf[32];
 
-       devc = sdi->priv;
+       serial = sdi->conn;
+
        sr_spew("Sending '%s'.", cmd);
        strncpy(buf, cmd, 28);
        if (!strncmp(buf, "*IDN?", 5))
                strncat(buf, "\r\n", 32);
        else
                strncat(buf, "\n\r\n", 32);
-       if (serial_write(devc->serial, buf, strlen(buf)) == -1) {
+       if (serial_write(serial, buf, strlen(buf)) == -1) {
                sr_err("Failed to send: %s.", strerror(errno));
                return SR_ERR;
        }