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authorGravatar Dirk Hohndel <dirk@hohndel.org>2017-05-29 20:56:42 -0700
committerGravatar Dirk Hohndel <dirk@hohndel.org>2017-05-29 21:55:49 -0700
commitcbe03fd88d8c065d12a1825eef7119252037c150 (patch)
treec7f35cda825a42786384b7380e35669ea1cbaec7 /core/serial_ftdi.c
parentc05fe9fc9b1c76bb447af8033f9917b1f5d10a1c (diff)
downloadsubsurface-cbe03fd88d8c065d12a1825eef7119252037c150.tar.gz
FTDI support: add minimal debugging output
Copied the libdivecomputer macros for convenience. Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
Diffstat (limited to 'core/serial_ftdi.c')
-rw-r--r--core/serial_ftdi.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/core/serial_ftdi.c b/core/serial_ftdi.c
index eafe4f1d7..9b26517ab 100644
--- a/core/serial_ftdi.c
+++ b/core/serial_ftdi.c
@@ -121,6 +121,7 @@ static dc_status_t serial_ftdi_sleep (ftdi_serial_t *device, unsigned long timeo
// Used internally for opening ftdi devices
static int serial_ftdi_open_device (struct ftdi_context *ftdi_ctx)
{
+ INFO(0, "serial_ftdi_open_device called");
int accepted_pids[] = { 0x6001, 0x6010, 0x6011, // Suunto (Smart Interface), Heinrichs Weikamp
0xF460, // Oceanic
0xF680, // Suunto
@@ -131,6 +132,7 @@ static int serial_ftdi_open_device (struct ftdi_context *ftdi_ctx)
for (i = 0; i < num_accepted_pids; i++) {
pid = accepted_pids[i];
ret = ftdi_usb_open (ftdi_ctx, VID, pid);
+ INFO(0, "FTDI tried VID %04x pid %04x ret %d\n", VID, pid, ret);
if (ret == -3) // Device not found
continue;
else
@@ -145,13 +147,14 @@ static int serial_ftdi_open_device (struct ftdi_context *ftdi_ctx)
// Initialise ftdi_context and use it to open the device
static dc_status_t serial_ftdi_open (void **userdata, const char* name)
{
+ INFO(0, "serial_ftdi_open called");
// Allocate memory.
ftdi_serial_t *device = (ftdi_serial_t *) malloc (sizeof (ftdi_serial_t));
if (device == NULL) {
SYSERROR (context, errno);
return DC_STATUS_NOMEMORY;
}
-
+ INFO(0, "setting up ftdi_ctx");
struct ftdi_context *ftdi_ctx = ftdi_new();
if (ftdi_ctx == NULL) {
free(device);
@@ -171,6 +174,7 @@ static dc_status_t serial_ftdi_open (void **userdata, const char* name)
device->nbits = 0;
// Initialize device ftdi context
+ INFO(0, "initialize ftdi_ctx");
ftdi_init(ftdi_ctx);
if (ftdi_set_interface(ftdi_ctx,INTERFACE_ANY)) {