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Port the Suunto Eon to the new api.

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This commit is contained in:
Jef Driesen 2008-07-04 15:02:16 +00:00
parent d0823f6a9d
commit 630f32ff8e
4 changed files with 109 additions and 68 deletions
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42
examples/suunto_eon_test.c
View File

@ -1,6 +1,6 @@
#include <stdio.h> // fopen, fwrite, fclose
#include "suunto.h"
#include "suunto_eon.h"
#include "utils.h"
#define WARNING(expr) \
@ -10,21 +10,21 @@
int test_dump_memory (const char* name, const char* filename)
{
eon *device = NULL;
device_t *device = NULL;
unsigned char data[SUUNTO_EON_MEMORY_SIZE] = {0};
message ("suunto_eon_open\n");
int rc = suunto_eon_open (&device, name);
if (rc != SUUNTO_SUCCESS) {
message ("suunto_eon_device_open\n");
int rc = suunto_eon_device_open (&device, name);
if (rc != DEVICE_STATUS_SUCCESS) {
WARNING ("Error opening serial port.");
return rc;
}
message ("suunto_eon_read\n");
rc = suunto_eon_read (device, data, sizeof (data));
if (rc != SUUNTO_SUCCESS) {
message ("device_download\n");
rc = device_download (device, data, sizeof (data));
if (rc != DEVICE_STATUS_SUCCESS) {
WARNING ("Cannot read memory.");
suunto_eon_close (device);
device_close (device);
return rc;
}
@ -35,30 +35,34 @@ int test_dump_memory (const char* name, const char* filename)
fclose (fp);
}
message ("suunto_eon_close\n");
rc = suunto_eon_close (device);
if (rc != SUUNTO_SUCCESS) {
message ("device_close\n");
rc = device_close (device);
if (rc != DEVICE_STATUS_SUCCESS) {
WARNING ("Cannot close device.");
return rc;
}
return SUUNTO_SUCCESS;
return DEVICE_STATUS_SUCCESS;
}
const char* errmsg (int rc)
{
switch (rc) {
case SUUNTO_SUCCESS:
case DEVICE_STATUS_SUCCESS:
return "Success";
case SUUNTO_ERROR:
case DEVICE_STATUS_UNSUPPORTED:
return "Unsupported operation";
case DEVICE_STATUS_TYPE_MISMATCH:
return "Device type mismatch";
case DEVICE_STATUS_ERROR:
return "Generic error";
case SUUNTO_ERROR_IO:
case DEVICE_STATUS_IO:
return "Input/output error";
case SUUNTO_ERROR_MEMORY:
case DEVICE_STATUS_MEMORY:
return "Memory error";
case SUUNTO_ERROR_PROTOCOL:
case DEVICE_STATUS_PROTOCOL:
return "Protocol error";
case SUUNTO_ERROR_TIMEOUT:
case DEVICE_STATUS_TIMEOUT:
return "Timeout";
default:
return "Unknown error";

1
src/device.h
View File

@ -7,6 +7,7 @@ extern "C" {
typedef enum device_type_t {
DEVICE_TYPE_NULL = 0,
DEVICE_TYPE_SUUNTO_EON,
DEVICE_TYPE_SUUNTO_VYPER,
DEVICE_TYPE_SUUNTO_VYPER2,
DEVICE_TYPE_SUUNTO_D9

116
src/suunto_eon.c
View File

@ -2,7 +2,8 @@
#include <stdlib.h> // malloc, free
#include <assert.h> // assert
#include "suunto.h"
#include "device-private.h"
#include "suunto_eon.h"
#include "suunto_common.h"
#include "serial.h"
#include "utils.h"
@ -14,28 +15,43 @@
#define EXITCODE(rc) \
( \
rc == -1 ? SUUNTO_ERROR_IO : SUUNTO_ERROR_TIMEOUT \
rc == -1 ? DEVICE_STATUS_IO : DEVICE_STATUS_TIMEOUT \
)
struct eon {
typedef struct suunto_eon_device_t suunto_eon_device_t;
struct suunto_eon_device_t {
device_t base;
struct serial *port;
};
static const device_backend_t suunto_eon_device_backend;
int
suunto_eon_open (eon **out, const char* name)
static int
device_is_suunto_eon (device_t *abstract)
{
if (abstract == NULL)
return 0;
return abstract->backend == &suunto_eon_device_backend;
}
device_status_t
suunto_eon_device_open (device_t **out, const char* name)
{
if (out == NULL)
return SUUNTO_ERROR;
return DEVICE_STATUS_ERROR;
// Allocate memory.
struct eon *device = malloc (sizeof (struct eon));
suunto_eon_device_t *device = malloc (sizeof (suunto_eon_device_t));
if (device == NULL) {
WARNING ("Failed to allocate memory.");
return SUUNTO_ERROR_MEMORY;
return DEVICE_STATUS_MEMORY;
}
// Set the default values.
device->base.backend = &suunto_eon_device_backend;
device->port = NULL;
// Open the device.
@ -43,7 +59,7 @@ suunto_eon_open (eon **out, const char* name)
if (rc == -1) {
WARNING ("Failed to open the serial port.");
free (device);
return SUUNTO_ERROR_IO;
return DEVICE_STATUS_IO;
}
// Set the serial communication protocol (1200 8N2).
@ -52,7 +68,7 @@ suunto_eon_open (eon **out, const char* name)
WARNING ("Failed to set the terminal attributes.");
serial_close (device->port);
free (device);
return SUUNTO_ERROR_IO;
return DEVICE_STATUS_IO;
}
// Set the timeout for receiving data (1000ms).
@ -60,7 +76,7 @@ suunto_eon_open (eon **out, const char* name)
WARNING ("Failed to set the timeout.");
serial_close (device->port);
free (device);
return SUUNTO_ERROR_IO;
return DEVICE_STATUS_IO;
}
// Clear the RTS line.
@ -68,35 +84,37 @@ suunto_eon_open (eon **out, const char* name)
WARNING ("Failed to set the DTR/RTS line.");
serial_close (device->port);
free (device);
return SUUNTO_ERROR_IO;
return DEVICE_STATUS_IO;
}
*out = device;
*out = (device_t*) device;
return SUUNTO_SUCCESS;
return DEVICE_STATUS_SUCCESS;
}
int
suunto_eon_close (eon *device)
static device_status_t
suunto_eon_device_close (device_t *abstract)
{
if (device == NULL)
return SUUNTO_SUCCESS;
suunto_eon_device_t *device = (suunto_eon_device_t*) abstract;
if (! device_is_suunto_eon (abstract))
return DEVICE_STATUS_TYPE_MISMATCH;
// Close the device.
if (serial_close (device->port) == -1) {
free (device);
return SUUNTO_ERROR_IO;
return DEVICE_STATUS_IO;
}
// Free memory.
free (device);
return SUUNTO_SUCCESS;
return DEVICE_STATUS_SUCCESS;
}
unsigned char
static unsigned char
suunto_eon_checksum (unsigned char data[], unsigned int size)
{
unsigned char crc = 0x00;
@ -107,11 +125,13 @@ suunto_eon_checksum (unsigned char data[], unsigned int size)
}
int
suunto_eon_read (eon *device, unsigned char data[], unsigned int size)
static device_status_t
suunto_eon_device_download (device_t *abstract, unsigned char data[], unsigned int size)
{
if (device == NULL)
return SUUNTO_ERROR;
suunto_eon_device_t *device = (suunto_eon_device_t*) abstract;
if (! device_is_suunto_eon (abstract))
return DEVICE_STATUS_TYPE_MISMATCH;
// Send the command.
unsigned char command[1] = {'P'};
@ -134,28 +154,30 @@ suunto_eon_read (eon *device, unsigned char data[], unsigned int size)
unsigned char ccrc = suunto_eon_checksum (answer, sizeof (answer) - 1);
if (crc != ccrc) {
WARNING ("Unexpected answer CRC.");
return SUUNTO_ERROR_PROTOCOL;
return DEVICE_STATUS_PROTOCOL;
}
if (size >= SUUNTO_EON_MEMORY_SIZE) {
memcpy (data, answer, SUUNTO_EON_MEMORY_SIZE);
} else {
WARNING ("Insufficient buffer space available.");
return SUUNTO_ERROR_MEMORY;
return DEVICE_STATUS_MEMORY;
}
return SUUNTO_SUCCESS;
return DEVICE_STATUS_SUCCESS;
}
int
suunto_eon_write_name (eon *device, unsigned char data[], unsigned int size)
device_status_t
suunto_eon_device_write_name (device_t *abstract, unsigned char data[], unsigned int size)
{
if (device == NULL)
return SUUNTO_ERROR;
suunto_eon_device_t *device = (suunto_eon_device_t*) abstract;
if (! device_is_suunto_eon (abstract))
return DEVICE_STATUS_TYPE_MISMATCH;
if (size > 20)
return SUUNTO_ERROR;
return DEVICE_STATUS_ERROR;
// Send the command.
unsigned char command[21] = {'N'};
@ -166,15 +188,17 @@ suunto_eon_write_name (eon *device, unsigned char data[], unsigned int size)
return EXITCODE (rc);
}
return SUUNTO_SUCCESS;
return DEVICE_STATUS_SUCCESS;
}
int
suunto_eon_write_interval (eon *device, unsigned char interval)
device_status_t
suunto_eon_device_write_interval (device_t *abstract, unsigned char interval)
{
if (device == NULL)
return SUUNTO_ERROR;
suunto_eon_device_t *device = (suunto_eon_device_t*) abstract;
if (! device_is_suunto_eon (abstract))
return DEVICE_STATUS_TYPE_MISMATCH;
// Send the command.
unsigned char command[2] = {'T', interval};
@ -184,11 +208,11 @@ suunto_eon_write_interval (eon *device, unsigned char interval)
return EXITCODE (rc);
}
return SUUNTO_SUCCESS;
return DEVICE_STATUS_SUCCESS;
}
int
device_status_t
suunto_eon_extract_dives (const unsigned char data[], unsigned int size, dive_callback_t callback, void *userdata)
{
assert (size >= SUUNTO_EON_MEMORY_SIZE);
@ -204,3 +228,15 @@ suunto_eon_extract_dives (const unsigned char data[], unsigned int size, dive_ca
return suunto_common_extract_dives (data, 0x100, SUUNTO_EON_MEMORY_SIZE, eop, 3, callback, userdata);
}
static const device_backend_t suunto_eon_device_backend = {
DEVICE_TYPE_SUUNTO_EON,
NULL, /* handshake */
NULL, /* version */
NULL, /* read */
NULL, /* write */
suunto_eon_device_download, /* download */
NULL, /* foreach */
suunto_eon_device_close /* close */
};

18
src/suunto_eon.h
View File

@ -5,21 +5,21 @@
extern "C" {
#endif /* __cplusplus */
typedef struct eon eon;
#include "device.h"
#define SUUNTO_EON_MEMORY_SIZE 0x900
int suunto_eon_open (eon **device, const char* name);
device_status_t
suunto_eon_device_open (device_t **device, const char* name);
int suunto_eon_close (eon *device);
device_status_t
suunto_eon_device_write_name (device_t *device, unsigned char data[], unsigned int size);
int suunto_eon_read (eon *device, unsigned char data[], unsigned int size);
device_status_t
suunto_eon_device_write_interval (device_t *device, unsigned char interval);
int suunto_eon_write_name (eon *device, unsigned char data[], unsigned int size);
int suunto_eon_write_interval (eon *device, unsigned char interval);
int suunto_eon_extract_dives (const unsigned char data[], unsigned int size, dive_callback_t callback, void *userdata);
device_status_t
suunto_eon_extract_dives (const unsigned char data[], unsigned int size, dive_callback_t callback, void *userdata);
#ifdef __cplusplus
}