Removed some unnecessary functions.

This commit is contained in:
Jef Driesen 2007-11-16 15:37:50 +00:00
parent 8f4ebf434c
commit 40e37e6675

View File

@ -285,86 +285,6 @@ suunto_vyper_transfer (vyper *device, const unsigned char command[], unsigned in
}
static int
suunto_vyper_read_memory_package (vyper *device, unsigned int address, unsigned char data[], unsigned int size)
{
// Prepare the command.
unsigned char header[4] = {0};
unsigned char command[5] = {0x05,
(address >> 8) & 0xFF, // high
(address ) & 0xFF, // low
size, // count
0x00}; // CRC
command[4] = suunto_vyper_checksum (command, 4, 0x00);
// Send the command to the dive computer and receive the answer.
int rc = suunto_vyper_transfer (device, command, 5, header, 4, data, size);
if (rc != SUUNTO_VYPER_SUCCESS)
return rc;
#ifndef NDEBUG
printf ("VyperRead(0x%04x,%d)=\"", (command[1] << 8) | command[2], command[3]);
for (unsigned int i = 0; i < size; ++i) {
printf("%02x",data[i]);
}
printf("\"\n");
#endif
return SUUNTO_VYPER_SUCCESS;
}
static int
suunto_vyper_write_memory_prepare (vyper *device)
{
// Prepare the commmand.
unsigned char header[2] = {0};
unsigned char command[3] = {0x07, 0xA5, 0x00};
command[2] = suunto_vyper_checksum (command, 2, 0x00);
// Send the command to the dive computer and receive the answer.
int rc = suunto_vyper_transfer (device, command, 3, header, 2, NULL, 0);
if (rc != SUUNTO_VYPER_SUCCESS)
return rc;
#ifndef NDEBUG
printf("VyperPrepareWrite();\n");
#endif
return SUUNTO_VYPER_SUCCESS;
}
static int
suunto_vyper_write_memory_package (vyper *device, int address, const unsigned char data[], unsigned int size)
{
// Prepare the command.
unsigned char header[4] = {0};
unsigned char command[SUUNTO_VYPER_PACKET_SIZE + 5] = {0x06,
(address >> 8) & 0xFF, // high
(address ) & 0xFF, // low
size, // count
0x00}; // data + CRC
memcpy (command + 4, data, size);
command[size + 4] = suunto_vyper_checksum (command, size + 4, 0x00);
// Send the command to the dive computer and receive the answer.
int rc = suunto_vyper_transfer (device, command, size + 5, header, 4, NULL, 0);
if (rc != SUUNTO_VYPER_SUCCESS)
return rc;
#ifndef NDEBUG
printf ("VyperWrite(0x%04x,%d,\"", (command[1] << 8) | command[2], command[3]);
for (unsigned int i = 0; i < size; ++i) {
printf ("%02x", command[i + 4]);
}
printf ("\");\n");
#endif
return SUUNTO_VYPER_SUCCESS;
}
int
suunto_vyper_read_memory (vyper *device, unsigned int address, unsigned char data[], unsigned int size)
{
@ -378,14 +298,30 @@ suunto_vyper_read_memory (vyper *device, unsigned int address, unsigned char dat
while (nbytes < size) {
// Calculate the package size.
unsigned int len = MIN (size - nbytes, SUUNTO_VYPER_PACKET_SIZE);
// Read the package.
int rc = suunto_vyper_read_memory_package (device, address + nbytes, data + nbytes, len);
unsigned char header[4] = {0};
unsigned char command[5] = {0x05,
(address >> 8) & 0xFF, // high
(address ) & 0xFF, // low
len, // count
0}; // CRC
command[4] = suunto_vyper_checksum (command, 4, 0x00);
int rc = suunto_vyper_transfer (device, command, 5, header, 4, data, len);
if (rc != SUUNTO_VYPER_SUCCESS)
return rc;
// Increment the total number of bytes read.
#ifndef NDEBUG
printf ("VyperRead(0x%04x,%d)=\"", address, len);
for (unsigned int i = 0; i < len; ++i) {
printf("%02x", data[i]);
}
printf("\"\n");
#endif
nbytes += len;
address += len;
data += len;
}
return SUUNTO_VYPER_SUCCESS;
@ -407,17 +343,41 @@ suunto_vyper_write_memory (vyper *device, unsigned int address, const unsigned c
unsigned int len = MIN (size - nbytes, SUUNTO_VYPER_PACKET_SIZE);
// Prepare to write the package.
int rc = suunto_vyper_write_memory_prepare (device);
unsigned char pheader[2] = {0};
unsigned char pcommand[3] = {0x07, 0xA5, 0};
pcommand[2] = suunto_vyper_checksum (pcommand, 2, 0x00);
int rc = suunto_vyper_transfer (device, pcommand, 3, pheader, 2, NULL, 0);
if (rc != SUUNTO_VYPER_SUCCESS)
return rc;
#ifndef NDEBUG
printf("VyperPrepareWrite();\n");
#endif
// Write the package.
rc = suunto_vyper_write_memory_package (device, address + nbytes, data + nbytes, len);
unsigned char wheader[4] = {0};
unsigned char wcommand[SUUNTO_VYPER_PACKET_SIZE + 5] = {0x06,
(address >> 8) & 0xFF, // high
(address ) & 0xFF, // low
len, // count
0}; // data + CRC
memcpy (wcommand + 4, data, len);
wcommand[len + 4] = suunto_vyper_checksum (wcommand, len + 4, 0x00);
rc = suunto_vyper_transfer (device, wcommand, len + 5, wheader, 4, NULL, 0);
if (rc != SUUNTO_VYPER_SUCCESS)
return rc;
// Increment the total number of bytes written.
#ifndef NDEBUG
printf ("VyperWrite(0x%04x,%d,\"", address, len);
for (unsigned int i = 0; i < len; ++i) {
printf ("%02x", data[i]);
}
printf ("\");\n");
#endif
nbytes += len;
address += len;
data += len;
}
return SUUNTO_VYPER_SUCCESS;