FlapJackApps/libdivecomputer
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Use the address of the last read page in the keepalive command.

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This commit is contained in:
Jef Driesen 2008-11-21 08:40:30 +00:00
parent 3c36f9d166
commit 3b61ef6f63
1 changed files with 8 additions and 1 deletions
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9
src/oceanic_veo250.c
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@ -51,6 +51,7 @@ typedef struct oceanic_veo250_device_t oceanic_veo250_device_t;
struct oceanic_veo250_device_t {
device_t base;
struct serial *port;
unsigned int last;
};
static device_status_t oceanic_veo250_device_version (device_t *abstract, unsigned char data[], unsigned int size);
@ -228,6 +229,7 @@ oceanic_veo250_device_open (device_t **out, const char* name)
// Set the default values.
device->port = NULL;
device->last = 0;
// Open the device.
int rc = serial_open (&device->port, name);
@ -312,7 +314,10 @@ oceanic_veo250_device_keepalive (device_t *abstract)
return DEVICE_STATUS_TYPE_MISMATCH;
// Send the command to the dive computer.
unsigned char command[4] = {0x91, 0x00, 0x00, 0x00};
unsigned char command[4] = {0x91,
(device->last ) & 0xFF, // low
(device->last >> 8) & 0xFF, // high
0x00};
device_status_t rc = oceanic_veo250_send (device, command, sizeof (command));
if (rc != DEVICE_STATUS_SUCCESS) {
WARNING ("Failed to send the command.");
@ -396,6 +401,8 @@ oceanic_veo250_device_read (device_t *abstract, unsigned int address, unsigned c
memcpy (data, answer, OCEANIC_VEO250_PACKET_SIZE);
device->last = number;
#ifndef NDEBUG
message ("VEO250Read(0x%04x,%d)=\"", address, OCEANIC_VEO250_PACKET_SIZE);
for (unsigned int i = 0; i < OCEANIC_VEO250_PACKET_SIZE; ++i) {