FlapJackApps/libdivecomputer
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Use a macro for all warning messages.

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This commit is contained in:
Jef Driesen 2007-11-09 12:47:56 +00:00
parent 07265e3571
commit 627ba48bc2
1 changed files with 38 additions and 43 deletions
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81
suunto_vyper.c
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@ -8,6 +8,11 @@
#define MIN(a,b) (((a) < (b)) ? (a) : (b))
#define MAX(a,b) (((a) > (b)) ? (a) : (b))
#define WARNING(expr) \
{ \
fprintf (stderr, "%s:%d: %s\n", __FILE__, __LINE__, expr); \
}
struct vyper {
struct serial *port;
@ -26,7 +31,7 @@ suunto_vyper_open (vyper **out, const char* name)
// Allocate memory.
struct vyper *device = malloc (sizeof (struct vyper));
if (device == NULL) {
fprintf (stderr, "%s:%d: Out of memory.\n", __FILE__, __LINE__);
WARNING ("Failed to allocate memory.");
return -1;
}
@ -39,7 +44,7 @@ suunto_vyper_open (vyper **out, const char* name)
// Open the device.
int rc = serial_open (&device->port, name);
if (rc == -1) {
fprintf (stderr, "%s:%d: Can't open serial port %s.\n", __FILE__, __LINE__, name);
WARNING ("Failed to open the serial port.");
free (device);
return -1;
}
@ -47,7 +52,7 @@ suunto_vyper_open (vyper **out, const char* name)
// Set the serial communication protocol (2400 8O1).
rc = serial_configure (device->port, 2400, 8, SERIAL_PARITY_ODD, 1, SERIAL_FLOWCONTROL_NONE);
if (rc == -1) {
fprintf (stderr, "%s:%d: Failed to set terminal attributes on %s.\n", __FILE__, __LINE__, name);
WARNING ("Failed to set the terminal attributes.");
serial_close (device->port);
free (device);
return -1;
@ -55,7 +60,7 @@ suunto_vyper_open (vyper **out, const char* name)
// Set the timeout for receiving data (500 ms).
if (serial_set_timeout (device->port, 500) == -1) {
fprintf (stderr, "%s:%d: Failed to set timeout on %s.\n", __FILE__, __LINE__, name);
WARNING ("Failed to set the timeout.");
serial_close (device->port);
free (device);
return -1;
@ -65,7 +70,7 @@ suunto_vyper_open (vyper **out, const char* name)
// the RTS line (toggle for the direction of the half-duplex interface).
if (serial_set_dtr (device->port, 1) == -1 ||
serial_set_rts (device->port, 0) == -1) {
fprintf (stderr, "%s:%d: Error setting RTS/DTR state on %s.\n", __FILE__, __LINE__, name);
WARNING ("Failed to set the RTS/DTR state.");
serial_close (device->port);
free (device);
return -1;
@ -128,7 +133,7 @@ static int
suunto_vyper_send_testcmd (vyper *device, const unsigned char* data, unsigned int size)
{
if (serial_write (device->port, data, size) != size) {
fprintf (stderr, "%s:%d: Trouble sending test sequence to interface.\n", __FILE__, __LINE__);
WARNING ("Failed to send the test sequence.");
return -1;
}
serial_drain (device->port);
@ -156,40 +161,39 @@ suunto_vyper_detect_interface (vyper *device)
serial_set_rts (device->port, 0);
if (suunto_vyper_send_testcmd (device, command, 3) == -1)
return -1; // Failed to send? Huh?
return -1;
rc = serial_read (device->port, reply, 3);
if (rc != 3 || memcmp (command, reply, 3) != 0) {
fprintf (stderr, "%s:%d: Interface not responding in probe mode.\n", __FILE__, __LINE__);
WARNING ("Interface not responding in probe mode.");
detectmode_worked = 0;
}
if (serial_read (device->port, &extra, 1) == 1) {
fprintf (stderr, "%s:%d: Got extraneous character %02x in detection phase - maybe line is connected to a modem?\n", __FILE__, __LINE__, extra);
WARNING ("Got an extraneous character in the detection phase. Maybe the line is connected to a modem?");
}
// Try transfer mode now.
serial_set_rts (device->port, 1);
if (suunto_vyper_send_testcmd (device, command, 3) == -1)
return -1; // Failed to send? Huh?
return -1;
serial_set_rts (device->port, 0);
rc = serial_read (device->port, reply, 3);
if (rc == 0) {
if (detectmode_worked) {
fprintf (stderr, "%s:%d: Detected original suunto interface with RTS-switching.\n", __FILE__, __LINE__);
WARNING ("Detected an original suunto interface with RTS-switching.");
} else {
fprintf (stderr, "%s:%d: Can't detect Interface.\n"
"Hoping it's an original suunto interface with DC already attached.\n", __FILE__, __LINE__);
WARNING ("Can't detect the interface. Hoping it's an original suunto interface with the DC already attached.");
}
device->ifacealwaysechos = 0;
return 0;
}
if (rc != 3 || memcmp (command, reply, 3) != 0) {
fprintf (stderr, "%s:%d: Interface not responding when RTS is on. Strange.\n", __FILE__, __LINE__);
WARNING ("Interface not responding in transfer mode.");
}
if (serial_read (device->port, &extra, 1) == 1) {
fprintf (stderr, "%s:%d: Got extraneous character %02x in detection phase - maybe line is connected to a modem?\n", __FILE__, __LINE__, extra);
WARNING ("Got an extraneous character in the detection phase. Maybe the line is connected to a modem?");
}
fprintf (stderr, "%s:%d: Detected clone interface without RTS-switching.\n", __FILE__, __LINE__);
WARNING ("Detected a clone interface without RTS-switching.");
device->ifacealwaysechos = 1;
return 0;
}
@ -240,7 +244,7 @@ suunto_vyper_read_memory_package (vyper *device, unsigned int address, unsigned
// Send the command to the dive computer.
if (suunto_vyper_send_command (device, command, 5) != 0) {
fprintf (stderr, "%s:%d: Error sending command.\n", __FILE__, __LINE__);
WARNING ("Failed to send the command.");
return -1;
}
@ -251,12 +255,9 @@ suunto_vyper_read_memory_package (vyper *device, unsigned int address, unsigned
unsigned char reply[4] = {0, 0, 0, 0};
int rc = serial_read (device->port, reply, 4);
if (rc != 4 || memcmp (command, reply, 4) != 0) {
fprintf (stderr, "%s:%d: Reply to read memory malformed (expected %02x%02x%02x%02x, got %02x%02x%02x%02x).\n",
__FILE__, __LINE__,
command[0], command[1], command[2], command[3],
reply[0], reply[1], reply[2], reply[3]);
WARNING ("Unexpected answer start byte(s).");
if (rc == 0) {
fprintf (stderr, "%s:%d: Interface present, but DC does not answer. Check connection.\n", __FILE__, __LINE__);
WARNING ("Interface present, but the DC does not answer. Check the connection.");
}
return -1;
}
@ -264,7 +265,7 @@ suunto_vyper_read_memory_package (vyper *device, unsigned int address, unsigned
// Receive the contents of the package.
rc = serial_read (device->port, data, size);
if (rc != size) {
fprintf (stderr, "%s:%d: Unexpected EOF in answer.\n", __FILE__, __LINE__);
WARNING ("Unexpected EOF in answer.");
return -1;
}
@ -277,7 +278,7 @@ suunto_vyper_read_memory_package (vyper *device, unsigned int address, unsigned
unsigned char crc = 0x00;
rc = serial_read (device->port, &crc, 1);
if (rc != 1 || ccrc != crc) {
fprintf (stderr, "%s:%d: Reply failed CRC check. Line noise?\n", __FILE__, __LINE__);
WARNING ("Unexpected answer CRC.");
return -1;
}
@ -302,7 +303,7 @@ suunto_vyper_write_memory_prepare (vyper *device)
// Send the command to the dive computer.
if (suunto_vyper_send_command (device, command, 3) != 0) {
fprintf (stderr, "%s:%d: Error sending command.\n", __FILE__, __LINE__);
WARNING ("Failed to send the command.");
return -1;
}
@ -313,12 +314,9 @@ suunto_vyper_write_memory_prepare (vyper *device)
unsigned char reply[3] = {0, 0, 0};
int rc = serial_read (device->port, reply, 3);
if (rc != 3 || memcmp (command, reply, 3) != 0) {
fprintf (stderr, "%s:%d: Reply to prepare write memory malformed (expected %02x%02x%02x, got %02x%02x%02x).\n",
__FILE__, __LINE__,
command[0], command[1], command[2],
reply[0], reply[1], reply[2]);
WARNING ("Unexpected answer start byte(s).");
if (rc == 0) {
fprintf (stderr, "%s:%d: Interface present, but DC does not answer. Check connection.\n", __FILE__, __LINE__);
WARNING ("Interface present, but the DC does not answer. Check the connection.");
}
return -1;
}
@ -345,7 +343,7 @@ suunto_vyper_write_memory_package (vyper *device, int address, const unsigned ch
// Send the command to the dive computer.
if (suunto_vyper_send_command (device, command, size + 5) != 0) {
fprintf (stderr, "%s:%d: Error sending command.\n", __FILE__, __LINE__);
WARNING ("Failed to send the command.");
return -1;
}
@ -356,12 +354,9 @@ suunto_vyper_write_memory_package (vyper *device, int address, const unsigned ch
unsigned char reply[4] = {0, 0, 0, 0};
int rc = serial_read (device->port, reply, 4);
if (rc != 4 || memcmp (command, reply, 4) != 0) {
fprintf (stderr, "%s:%d: Reply to write memory malformed (expected %02x%02x%02x%02x, got %02x%02x%02x%02x).\n",
__FILE__, __LINE__,
command[0], command[1], command[2], command[3],
reply[0], reply[1], reply[2], reply[3]);
WARNING ("Unexpected answer start byte(s).");
if (rc == 0) {
fprintf (stderr, "%s:%d: Interface present, but DC does not answer. Check connection.\n", __FILE__, __LINE__);
WARNING ("Interface present, but the DC does not answer. Check the connection.");
}
return -1;
}
@ -374,7 +369,7 @@ suunto_vyper_write_memory_package (vyper *device, int address, const unsigned ch
unsigned char crc = 0x00;
rc = serial_read (device->port, &crc, 1);
if (rc != 1 || ccrc != crc) {
fprintf (stderr, "%s:%d: Reply failed CRC check. Line noise?\n", __FILE__, __LINE__);
WARNING ("Unexpected answer CRC.");
return -1;
}
@ -458,7 +453,7 @@ suunto_vyper_read_dive (vyper *device, unsigned char data[], unsigned int size,
// Send the command to the dive computer.
if (suunto_vyper_send_command (device, command, 3) != 0) {
fprintf (stderr, "%s:%d: Error sending command.\n", __FILE__, __LINE__);
WARNING ("Failed to send the command.");
return -1;
}
@ -485,7 +480,7 @@ suunto_vyper_read_dive (vyper *device, unsigned char data[], unsigned int size,
// if no data was received so far.
if (rc == 0 && nbytes != 0)
break;
fprintf (stderr, "%s:%d: Unexpected answer start byte (%d).\n", __FILE__, __LINE__, reply);
WARNING ("Unexpected answer start byte(s).");
return -1;
}
@ -493,7 +488,7 @@ suunto_vyper_read_dive (vyper *device, unsigned char data[], unsigned int size,
unsigned char len = 0;
rc = serial_read (device->port, &len, 1);
if (rc != 1 || len > SUUNTO_VYPER_PACKET_SIZE) {
fprintf (stderr, "%s:%d: Unexpected answer length (%d).\n", __FILE__, __LINE__, len);
WARNING ("Unexpected answer length.");
return -1;
}
@ -501,7 +496,7 @@ suunto_vyper_read_dive (vyper *device, unsigned char data[], unsigned int size,
unsigned char package[SUUNTO_VYPER_PACKET_SIZE] = {0};
rc = serial_read (device->port, package, len);
if (rc != len) {
fprintf (stderr, "%s:%d: Unexpected EOF in answer.\n", __FILE__, __LINE__);
WARNING ("Unexpected EOF in answer.");
return -1;
}
@ -515,7 +510,7 @@ suunto_vyper_read_dive (vyper *device, unsigned char data[], unsigned int size,
unsigned char crc = 0x00;
rc = serial_read (device->port, &crc, 1);
if (rc != 1 || ccrc != crc) {
fprintf (stderr, "%s:%d: Unexpected answer CRC (%d).\n", __FILE__, __LINE__, crc);
WARNING ("Unexpected answer CRC.");
return -1;
}
@ -524,7 +519,7 @@ suunto_vyper_read_dive (vyper *device, unsigned char data[], unsigned int size,
memcpy (data + nbytes, package, len);
nbytes += len;
} else {
fprintf (stderr, "%s:%d: Insufficient buffer space available.\n", __FILE__, __LINE__);
WARNING ("Insufficient buffer space available.");
return -1;
}