FlapJackApps/libdivecomputer
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Merge branch 'cochran'

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This commit is contained in:
Jef Driesen 2017-09-12 19:59:56 +02:00
commit 38366ef8ed
1 changed files with 42 additions and 11 deletions
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53
src/cochran_commander.c
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@ -199,8 +199,8 @@ static const cochran_device_layout_t cochran_emc14_device_layout = {
COCHRAN_MODEL_EMC_14, // model COCHRAN_MODEL_EMC_14, // model
32, // address_bits 32, // address_bits
ENDIAN_LE, // endian ENDIAN_LE, // endian
806400, // baudrate 850000, // baudrate
65536, // rbstream_size 32768, // rbstream_size
0x0D2, // cf_dive_count 0x0D2, // cf_dive_count
0x13E, // cf_last_log 0x13E, // cf_last_log
0x142, // cf_last_interdive 0x142, // cf_last_interdive
@ -224,8 +224,8 @@ static const cochran_device_layout_t cochran_emc16_device_layout = {
COCHRAN_MODEL_EMC_16, // model COCHRAN_MODEL_EMC_16, // model
32, // address_bits 32, // address_bits
ENDIAN_LE, // endian ENDIAN_LE, // endian
806400, // baudrate 850000, // baudrate
65536, // rbstream_size 32768, // rbstream_size
0x0D2, // cf_dive_count 0x0D2, // cf_dive_count
0x13E, // cf_last_log 0x13E, // cf_last_log
0x142, // cf_last_interdive 0x142, // cf_last_interdive
@ -249,8 +249,8 @@ static const cochran_device_layout_t cochran_emc20_device_layout = {
COCHRAN_MODEL_EMC_20, // model COCHRAN_MODEL_EMC_20, // model
32, // address_bits 32, // address_bits
ENDIAN_LE, // endian ENDIAN_LE, // endian
806400, // baudrate 850000, // baudrate
65536, // rbstream_size 32768, // rbstream_size
0x0D2, // cf_dive_count 0x0D2, // cf_dive_count
0x13E, // cf_last_log 0x13E, // cf_last_log
0x142, // cf_last_interdive 0x142, // cf_last_interdive
@ -372,7 +372,7 @@ cochran_commander_packet (cochran_commander_device_t *device, dc_event_progress_
// Give the DC time to process the command. // Give the DC time to process the command.
dc_serial_sleep(device->port, 45); dc_serial_sleep(device->port, 45);
// Rates are odd, like 806400 for the EMC, 115200 for commander // Rates are odd, like 850400 for the EMC, 115200 for commander
status = dc_serial_configure(device->port, device->layout->baudrate, 8, DC_PARITY_NONE, DC_STOPBITS_TWO, DC_FLOWCONTROL_NONE); status = dc_serial_configure(device->port, device->layout->baudrate, 8, DC_PARITY_NONE, DC_STOPBITS_TWO, DC_FLOWCONTROL_NONE);
if (status != DC_STATUS_SUCCESS) { if (status != DC_STATUS_SUCCESS) {
ERROR (abstract->context, "Failed to set the high baud rate."); ERROR (abstract->context, "Failed to set the high baud rate.");
@ -523,7 +523,7 @@ cochran_commander_read (cochran_commander_device_t *device, dc_event_progress_t
return DC_STATUS_UNSUPPORTED; return DC_STATUS_UNSUPPORTED;
} }
dc_serial_sleep(device->port, 800); dc_serial_sleep(device->port, 550);
// set back to 9600 baud // set back to 9600 baud
rc = cochran_commander_serial_setup(device); rc = cochran_commander_serial_setup(device);
@ -539,6 +539,37 @@ cochran_commander_read (cochran_commander_device_t *device, dc_event_progress_t
} }
static unsigned int
cochran_commander_read_retry (cochran_commander_device_t *device, dc_event_progress_t *progress, unsigned int address, unsigned char data[], unsigned int size)
{
// Save the state of the progress events.
unsigned int saved = 0;
if (progress) {
saved = progress->current;
}
unsigned int nretries = 0;
dc_status_t rc = DC_STATUS_SUCCESS;
while ((rc = cochran_commander_read (device, progress, address, data, size)) != DC_STATUS_SUCCESS) {
// Automatically discard a corrupted packet,
// and request a new one.
if (rc != DC_STATUS_PROTOCOL && rc != DC_STATUS_TIMEOUT)
return rc;
// Abort if the maximum number of retries is reached.
if (nretries++ >= MAXRETRIES)
return rc;
// Restore the state of the progress events.
if (progress) {
progress->current = saved;
}
}
return rc;
}
/* /*
* For corrupt dives the end-of-samples pointer is 0xFFFFFFFF * For corrupt dives the end-of-samples pointer is 0xFFFFFFFF
* search for a reasonable size, e.g. using next dive start sample * search for a reasonable size, e.g. using next dive start sample
@ -798,7 +829,7 @@ cochran_commander_device_read (dc_device_t *abstract, unsigned int address, unsi
{ {
cochran_commander_device_t *device = (cochran_commander_device_t *) abstract; cochran_commander_device_t *device = (cochran_commander_device_t *) abstract;
return cochran_commander_read(device, NULL, address, data, size); return cochran_commander_read_retry(device, NULL, address, data, size);
} }
@ -842,7 +873,7 @@ cochran_commander_device_dump (dc_device_t *abstract, dc_buffer_t *buffer)
return rc; return rc;
// Read the sample data, logbook and sample data are contiguous // Read the sample data, logbook and sample data are contiguous
rc = cochran_commander_read (device, &progress, device->layout->rb_logbook_begin, dc_buffer_get_data(buffer), size); rc = cochran_commander_read_retry (device, &progress, device->layout->rb_logbook_begin, dc_buffer_get_data(buffer), size);
if (rc != DC_STATUS_SUCCESS) { if (rc != DC_STATUS_SUCCESS) {
ERROR (abstract->context, "Failed to read the sample data."); ERROR (abstract->context, "Failed to read the sample data.");
return rc; return rc;
@ -919,7 +950,7 @@ cochran_commander_device_foreach (dc_device_t *abstract, dc_dive_callback_t call
} }
// Request log book // Request log book
rc = cochran_commander_read(device, &progress, layout->rb_logbook_begin, data.logbook, data.logbook_size); rc = cochran_commander_read_retry(device, &progress, layout->rb_logbook_begin, data.logbook, data.logbook_size);
if (rc != DC_STATUS_SUCCESS) { if (rc != DC_STATUS_SUCCESS) {
status = rc; status = rc;
goto error; goto error;