Fix SDO cached status

The cached field of the SDO job was never cleared which would cause downloads
of large objects to always fail once a small object had been downloaded.

Author: Daniel Udd

src/co_main.c

@@ -277,6 +277,7 @@ int co_sdo_read (
    job->sdo.subindex = subindex;
    job->sdo.data     = data;
    job->sdo.remain   = size;
+   job->sdo.cached   = false;
    job->callback     = co_job_callback;
    job->timestamp    = os_tick_current();
    job->type         = CO_JOB_SDO_READ;
@@ -306,6 +307,7 @@ int co_sdo_write (
    job->sdo.subindex = subindex;
    job->sdo.data     = (uint8_t *)data;
    job->sdo.remain   = size;
+   job->sdo.cached   = false;
    job->callback     = co_job_callback;
    job->timestamp    = os_tick_current();
    job->type         = CO_JOB_SDO_WRITE;

src/co_sdo_server.c

@@ -129,6 +129,7 @@ static int co_sdo_rx_upload_init_req (
    job->type         = CO_JOB_SDO_UPLOAD;
    job->sdo.index    = co_fetch_uint16 (&data[1]);
    job->sdo.subindex = data[3];
+   job->sdo.cached   = false;
    job->timestamp    = os_tick_current();
 
    /* Find requested object */
@@ -306,6 +307,7 @@ static int co_sdo_rx_download_init_req (
    job->type         = CO_JOB_SDO_DOWNLOAD;
    job->sdo.index    = co_fetch_uint16 (&data[1]);
    job->sdo.subindex = data[3];
+   job->sdo.cached   = false;
    job->timestamp    = os_tick_current();
 
    /* Find requested object */

test/test_sdo_client.cpp

@@ -58,7 +58,7 @@ TEST_F (SdoClientTest, ExpeditedUpload)
 
 TEST_F (SdoClientTest, ExpeditedDownload)
 {
-   co_job_t job;
+   co_job_t job{};
    uint16_t value = 0;
 
    uint8_t expected[][8] = {
@@ -136,7 +136,7 @@ TEST_F (SdoClientTest, SegmentedUpload)
 
 TEST_F (SdoClientTest, SegmentedDownload)
 {
-   co_job_t job;
+   co_job_t job{};
    const char * s = "hello world";
 
    uint8_t expected[][8] = {