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Use the dc_serial_t structure in HW OSTC family 3

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Open a native serial device and use it in the HW OSTC3
implementation.

This patch replaces the old serial structure with the
new one, which can be used for custom serial implementations.

Signed-off-by: Claudiu Olteanu <olteanu.claudiu@ymail.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
This commit is contained in:
Claudiu Olteanu 2015-06-27 15:18:01 +03:00 committed by Dirk Hohndel
parent a50a1e0688
commit 69bd993233
2 changed files with 23 additions and 20 deletions
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2
include/libdivecomputer/hw_ostc3.h
View File

@ -2,6 +2,7 @@
* libdivecomputer
*
* Copyright (C) 2013 Jef Driesen
* Copyright (C) 2015 Claudiu Olteanu
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
@ -26,6 +27,7 @@
#include "device.h"
#include "parser.h"
#include "buffer.h"
#include "custom_serial.h"
#ifdef __cplusplus
extern "C" {

41
src/hw_ostc3.c
View File

@ -3,6 +3,7 @@
*
* Copyright (C) 2013 Jef Driesen
* Copyright (C) 2014 Anton Lundin
* Copyright (C) 2015 Claudiu Olteanu
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
@ -90,7 +91,7 @@ typedef enum hw_ostc3_state_t {
typedef struct hw_ostc3_device_t {
dc_device_t base;
serial_t *port;
dc_serial_t *serial;
unsigned char fingerprint[5];
hw_ostc3_state_t state;
} hw_ostc3_device_t;
@ -186,7 +187,7 @@ hw_ostc3_transfer (hw_ostc3_device_t *device,
// Send the command.
unsigned char command[1] = {cmd};
int n = serial_write (device->port, command, sizeof (command));
int n = device->serial->ops->write (device->serial->port, command, sizeof (command));
if (n != sizeof (command)) {
ERROR (abstract->context, "Failed to send the command.");
return EXITCODE (n);
@ -194,7 +195,7 @@ hw_ostc3_transfer (hw_ostc3_device_t *device,
// Read the echo.
unsigned char echo[1] = {0};
n = serial_read (device->port, echo, sizeof (echo));
n = device->serial->ops->read (device->serial->port, echo, sizeof (echo));
if (n != sizeof (echo)) {
ERROR (abstract->context, "Failed to receive the echo.");
return EXITCODE (n);
@ -213,7 +214,7 @@ hw_ostc3_transfer (hw_ostc3_device_t *device,
if (input) {
// Send the input data packet.
n = serial_write (device->port, input, isize);
n = device->serial->ops->write (device->serial->port, input, isize);
if (n != isize) {
ERROR (abstract->context, "Failed to send the data packet.");
return EXITCODE (n);
@ -227,7 +228,7 @@ hw_ostc3_transfer (hw_ostc3_device_t *device,
unsigned int len = 1024;
// Increase the packet size if more data is immediately available.
int available = serial_get_received (device->port);
int available = device->serial->ops->get_received (device->serial->port);
if (available > len)
len = available;
@ -236,7 +237,7 @@ hw_ostc3_transfer (hw_ostc3_device_t *device,
len = osize - nbytes;
// Read the packet.
n = serial_read (device->port, output + nbytes, len);
n = device->serial->ops->read (device->serial->port, output + nbytes, len);
if (n != len) {
ERROR (abstract->context, "Failed to receive the answer.");
return EXITCODE (n);
@ -255,7 +256,7 @@ hw_ostc3_transfer (hw_ostc3_device_t *device,
if (cmd != EXIT) {
// Read the ready byte.
unsigned char answer[1] = {0};
n = serial_read (device->port, answer, sizeof (answer));
n = device->serial->ops->read (device->serial->port, answer, sizeof (answer));
if (n != sizeof (answer)) {
ERROR (abstract->context, "Failed to receive the ready byte.");
return EXITCODE (n);
@ -289,11 +290,11 @@ hw_ostc3_device_open (dc_device_t **out, dc_context_t *context, const char *name
device_init (&device->base, context, &hw_ostc3_device_vtable);
// Set the default values.
device->port = NULL;
device->serial = NULL;
memset (device->fingerprint, 0, sizeof (device->fingerprint));
// Open the device.
int rc = serial_open (&device->port, context, name);
int rc = dc_serial_native_open (&device->serial, context, name);
if (rc == -1) {
ERROR (context, "Failed to open the serial port.");
free (device);
@ -301,25 +302,25 @@ hw_ostc3_device_open (dc_device_t **out, dc_context_t *context, const char *name
}
// Set the serial communication protocol (115200 8N1).
rc = serial_configure (device->port, 115200, 8, SERIAL_PARITY_NONE, 1, SERIAL_FLOWCONTROL_NONE);
rc = serial_configure (device->serial->port, 115200, 8, SERIAL_PARITY_NONE, 1, SERIAL_FLOWCONTROL_NONE);
if (rc == -1) {
ERROR (context, "Failed to set the terminal attributes.");
serial_close (device->port);
device->serial->ops->close (device->serial->port);
free (device);
return DC_STATUS_IO;
}
// Set the timeout for receiving data (3000ms).
if (serial_set_timeout (device->port, 3000) == -1) {
if (serial_set_timeout (device->serial->port, 3000) == -1) {
ERROR (context, "Failed to set the timeout.");
serial_close (device->port);
device->serial->ops->close (device->serial->port);
free (device);
return DC_STATUS_IO;
}
// Make sure everything is in a sane state.
serial_sleep (device->port, 300);
serial_flush (device->port, SERIAL_QUEUE_BOTH);
serial_sleep (device->serial->port, 300);
device->serial->ops->flush (device->serial->port, SERIAL_QUEUE_BOTH);
device->state = OPEN;
@ -359,17 +360,17 @@ hw_ostc3_device_init_service (hw_ostc3_device_t *device)
int n = 0;
// We cant use hw_ostc3_transfer here, due to the different echos
n = serial_write (device->port, command, sizeof (command));
n = device->serial->ops->write (device->serial->port, command, sizeof (command));
if (n != sizeof (command)) {
ERROR (context, "Failed to send the command.");
return EXITCODE (n);
}
// Give the device some time to enter service mode
serial_sleep (device->port, 100);
serial_sleep (device->serial->port, 100);
// Read the response
n = serial_read (device->port, output, sizeof (output));
n = device->serial->ops->read (device->serial->port, output, sizeof (output));
if (n != sizeof (output)) {
ERROR (context, "Failed to receive the echo.");
return EXITCODE (n);
@ -431,14 +432,14 @@ hw_ostc3_device_close (dc_device_t *abstract)
rc = hw_ostc3_transfer (device, NULL, EXIT, NULL, 0, NULL, 0);
if (rc != DC_STATUS_SUCCESS) {
ERROR (abstract->context, "Failed to send the command.");
serial_close (device->port);
device->serial->ops->close (device->serial->port);
free (device);
return rc;
}
}
// Close the device.
if (serial_close (device->port) == -1) {
if (device->serial->ops->close (device->serial->port) == -1) {
free (device);
return DC_STATUS_IO;
}