Modification of MOD IO digital input from UA_INT_32 to UA_Boolean type

Test: Program is tested locally with laptop.

        modified:   server.c
parent c6c28acc
......@@ -32,49 +32,51 @@ const char *argp_program_version = "OSIE OPC-UA coupler 0.0.1";
const char *argp_program_bug_address = "ivan@nexedi.com";
static char doc[] = "OPC-UA server which controls MOD-IO's relays' state over OPC-UA protocol.";
static char args_doc[] = "...";
static struct argp_option options[] = {
{ "port", 'p', "4840", 0, "Port to bind to."},
{ "device", 'd', "/dev/i2c-1", 0, "Linux block device path."},
{ "slave-address-list", 's', "0x58", 0, "Comma separated list of slave I2C addresses."},
{ "mode", 'm', "0", 0, "Set different modes of operation of coupler. Default (0) is set attached \
static struct argp_option options[] = {
{"port", 'p', "4840", 0, "Port to bind to."},
{"device", 'd', "/dev/i2c-1", 0, "Linux block device path."},
{"slave-address-list", 's', "0x58", 0, "Comma separated list of slave I2C addresses."},
{"mode", 'm', "0", 0, "Set different modes of operation of coupler. Default (0) is set attached \
I2C's state state. Virtual (1) which does NOT set any I2C slaves' state."},
{ 0 }
};
{0}};
struct arguments {
int mode;
int port;
struct arguments
{
int mode;
int port;
char *device;
char *slave_address_list;
};
static error_t parse_opt(int key, char *arg, struct argp_state *state) {
static error_t parse_opt(int key, char *arg, struct argp_state *state)
{
struct arguments *arguments = state->input;
switch (key) {
case 'p':
arguments->port = arg ? atoi (arg) : DEFAULT_OPC_UA_PORT;
//printf("got arg port=%s\n", arg);
break;
case 'd':
arguments->device = arg;
//printf("got arg device=%s\n", arg);
break;
case 's':
arguments->slave_address_list = arg;
//printf("got arg slave_address_list=%s\n", arg);
break;
case 'm':
arguments->mode = arg ? atoi (arg) : DEFAULT_MODE;
break;
case ARGP_KEY_ARG:
return 0;
default:
return ARGP_ERR_UNKNOWN;
}
switch (key)
{
case 'p':
arguments->port = arg ? atoi(arg) : DEFAULT_OPC_UA_PORT;
//printf("got arg port=%s\n", arg);
break;
case 'd':
arguments->device = arg;
//printf("got arg device=%s\n", arg);
break;
case 's':
arguments->slave_address_list = arg;
//printf("got arg slave_address_list=%s\n", arg);
break;
case 'm':
arguments->mode = arg ? atoi(arg) : DEFAULT_MODE;
break;
case ARGP_KEY_ARG:
return 0;
default:
return ARGP_ERR_UNKNOWN;
}
return 0;
}
static struct argp argp = { options, parse_opt, args_doc, doc, 0, 0, 0 };
static struct argp argp = {options, parse_opt, args_doc, doc, 0, 0, 0};
// global relay state
uint8_t I2C_0_RELAYS_STATE = 0; // state of 4 relays at I2C slave 0
......@@ -96,7 +98,8 @@ char *I2C_BLOCK_DEVICE_NAME;
// global virtual mode needed for testing on x86 platform
bool I2C_VIRTUAL_MODE = 0;
static int getI2CSlaveListLength() {
static int getI2CSlaveListLength()
{
/*
* Return ONLY registred I2C slaves
*/
......@@ -105,38 +108,43 @@ static int getI2CSlaveListLength() {
int counter = 0;
int length = sizeof(I2C_SLAVE_ADDR_LIST) / sizeof(int);
for(i = 0; i < length; i++)
for (i = 0; i < length; i++)
{
addr = I2C_SLAVE_ADDR_LIST[i];
if (addr!= 0) {
counter++;
if (addr != 0)
{
counter++;
}
}
return counter;
}
static int setRelayState(int command, int i2c_addr) {
static int setRelayState(int command, int i2c_addr)
{
/*
* Set relays' state over I2C
*/
int file;
char filename[20];
if(I2C_VIRTUAL_MODE){
// we're in a virtual mode, likely on x86 platform or without I2C support
// simply do nothing
return 0;
if (I2C_VIRTUAL_MODE)
{
// we're in a virtual mode, likely on x86 platform or without I2C support
// simply do nothing
return 0;
}
// step 1: open device
file = open(I2C_BLOCK_DEVICE_NAME, O_RDWR);
if (file < 0) {
if (file < 0)
{
/* ERROR HANDLING; you can check errno to see what went wrong */
printf("Error opening i2c device (0x%x).\n", i2c_addr);
exit(1);
}
// step 2: address the slave by its address
if (ioctl(file, I2C_SLAVE, i2c_addr) < 0) {
// step 2: address the slave by its address
if (ioctl(file, I2C_SLAVE, i2c_addr) < 0)
{
/* ERROR HANDLING; you can check errno to see what went wrong */
printf("Error addressing i2c slave (0x%x).\n", i2c_addr);
exit(1);
......@@ -147,35 +155,40 @@ static int setRelayState(int command, int i2c_addr) {
char buf[10];
buf[0] = reg;
buf[1] = command; //0x00 -all off, 0x0F - all 4 on
if (write(file, buf, 3) != 3) {
if (write(file, buf, 3) != 3)
{
/* ERROR HANDLING: i2c transaction failed */
printf("Error writing to i2c slave (0x%x).\n", i2c_addr);
printf("Error writing to i2c slave (0x%x).\n", i2c_addr);
}
close(file);
}
static int getDigitalInputState( int i2c_addr, char **digital_input) {
static int getDigitalInputState(int i2c_addr, char **digital_input)
{
/*
* get digital input state over I2C
*/
int file;
char filename[20];
if(I2C_VIRTUAL_MODE){
// we're in a virtual mode, likely on x86 platform or without I2C support
// simply do nothing
return 0;
if (I2C_VIRTUAL_MODE)
{
// we're in a virtual mode, likely on x86 platform or without I2C support
// simply do nothing
return 0;
}
// step 1: open device
file = open(I2C_BLOCK_DEVICE_NAME, O_RDWR);
if (file < 0) {
if (file < 0)
{
/* ERROR HANDLING; you can check errno to see what went wrong */
printf("Error opening i2c device (0x%x).\n", i2c_addr);
exit(1);
}
// step 2: address the slave by its address
if (ioctl(file, I2C_SLAVE, i2c_addr) < 0) {
// step 2: address the slave by its address
if (ioctl(file, I2C_SLAVE, i2c_addr) < 0)
{
/* ERROR HANDLING; you can check errno to see what went wrong */
printf("Error addressing i2c slave (0x%x).\n", i2c_addr);
exit(1);
......@@ -185,25 +198,30 @@ static int getDigitalInputState( int i2c_addr, char **digital_input) {
__u8 read_reg = 0x20; /* Device register to access */
char read_buf[2];
read_buf[0] = read_reg;
if (write(file, read_buf, 1) != 1) {
if (write(file, read_buf, 1) != 1)
{
/* ERROR HANDLING: i2c transaction failed */
printf("Error writing to i2c slave (0x%x).\n", i2c_addr);
printf("Error writing to i2c slave (0x%x).\n", i2c_addr);
}
if (read(file, read_buf, 1) != 1) {
if (read(file, read_buf, 1) != 1)
{
/* ERROR HANDLING: i2c transaction failed */
printf("Error reading digital input from i2c slave (0x%x).\n", i2c_addr);
} else {
/* read_buf[0] contains the read byte */
*digital_input=&read_buf[0];
}
}
else
{
/* read_buf[0] contains the read byte */
*digital_input = &read_buf[0];
}
close(file);
}
void addIntegerVariableNode(UA_Server *server, char *node_id, char *node_description) {
void addIntegerVariableNode(UA_Server *server, char *node_id, char *node_description)
{
UA_Int32 myInteger = 0;
UA_NodeId parentNodeId = UA_NODEID_NUMERIC(0, UA_NS0ID_OBJECTSFOLDER);
UA_NodeId parentReferenceNodeId = UA_NODEID_NUMERIC(0, UA_NS0ID_ORGANIZES);
UA_VariableAttributes attr0 = UA_VariableAttributes_default;
UA_Variant_setScalar(&attr0.value, &myInteger, &UA_TYPES[UA_TYPES_INT32]);
attr0.description = UA_LOCALIZEDTEXT("en-US", node_description);
......@@ -215,54 +233,56 @@ void addIntegerVariableNode(UA_Server *server, char *node_id, char *node_descrip
UA_Server_addVariableNode(server, myIntegerNodeId0, parentNodeId,
parentReferenceNodeId, myIntegerName0,
UA_NODEID_NUMERIC(0, UA_NS0ID_BASEDATAVARIABLETYPE), attr0, NULL, NULL);
}
void addIntegerVariableReadNode(UA_Server *server, char *node_id, char *node_description) {
UA_Int32 myInteger = 0;
void addBooleanVariableReadNode(UA_Server *server, char *node_id, char *node_description)
{
UA_Boolean myBoolean = false;
UA_NodeId parentNodeId = UA_NODEID_NUMERIC(0, UA_NS0ID_OBJECTSFOLDER);
UA_NodeId parentReferenceNodeId = UA_NODEID_NUMERIC(0, UA_NS0ID_ORGANIZES);
UA_VariableAttributes attr0 = UA_VariableAttributes_default;
UA_Variant_setScalar(&attr0.value, &myInteger, &UA_TYPES[UA_TYPES_INT32]);
UA_Variant_setScalar(&attr0.value, &myBoolean, &UA_TYPES[UA_TYPES_BOOLEAN]);
attr0.description = UA_LOCALIZEDTEXT("en-US", node_description);
attr0.displayName = UA_LOCALIZEDTEXT("en-US", node_description);
attr0.dataType = UA_TYPES[UA_TYPES_INT32].typeId;
attr0.dataType = UA_TYPES[UA_TYPES_BOOLEAN].typeId;
attr0.accessLevel = UA_ACCESSLEVELMASK_READ;
UA_NodeId myIntegerNodeId0 = UA_NODEID_STRING(1, node_id);
UA_QualifiedName myIntegerName0 = UA_QUALIFIEDNAME(1, node_description);
UA_Server_addVariableNode(server, myIntegerNodeId0, parentNodeId,
parentReferenceNodeId, myIntegerName0,
UA_NODEID_NUMERIC(0, UA_NS0ID_BASEDATAVARIABLETYPE), attr0, NULL, NULL);
}
static void addVariable(UA_Server *server) {
static void addVariable(UA_Server *server)
{
/*
* Create all variables representing MOD-IO's relays
*/
int length = getI2CSlaveListLength();
if (length>=1) {
if (length >= 1)
{
// IC2-0
addIntegerVariableNode(server, "i2c0.relay0", "I2C0 / Relay 0");
addIntegerVariableNode(server, "i2c0.relay1", "I2C0 / Relay 1");
addIntegerVariableNode(server, "i2c0.relay2", "I2C0 / Relay 2");
addIntegerVariableNode(server, "i2c0.relay3", "I2C0 / Relay 3");
addIntegerVariableReadNode(server, "i2c0.in0", "I2C0 / Digital Input 0");
addIntegerVariableReadNode(server, "i2c0.in1", "I2C0 / Digital Input 1");
addIntegerVariableReadNode(server, "i2c0.in2", "I2C0 / Digital Input 2");
addIntegerVariableReadNode(server, "i2c0.in3", "I2C0 / Digital Input 3");
addBooleanVariableReadNode(server, "i2c0.in0", "I2C0 / Digital Input 0");
addBooleanVariableReadNode(server, "i2c0.in1", "I2C0 / Digital Input 1");
addBooleanVariableReadNode(server, "i2c0.in2", "I2C0 / Digital Input 2");
addBooleanVariableReadNode(server, "i2c0.in3", "I2C0 / Digital Input 3");
}
if (length>=2) {
if (length >= 2)
{
// IC2-1
addIntegerVariableNode(server, "i2c1.relay0", "I2C1 / Relay 0");
addIntegerVariableNode(server, "i2c1.relay1", "I2C1 / Relay 1");
addIntegerVariableNode(server, "i2c1.relay2", "I2C1 / Relay 2");
addIntegerVariableNode(server, "i2c1.relay3", "I2C1 / Relay 3");
addIntegerVariableReadNode(server, "i2c1.in0", "I2C1 / Digital Input 0");
addIntegerVariableReadNode(server, "i2c1.in1", "I2C1 / Digital Input 1");
addIntegerVariableReadNode(server, "i2c1.in2", "I2C1 / Digital Input 2");
addIntegerVariableReadNode(server, "i2c1.in3", "I2C1 / Digital Input 3");
addBooleanVariableReadNode(server, "i2c1.in0", "I2C1 / Digital Input 0");
addBooleanVariableReadNode(server, "i2c1.in1", "I2C1 / Digital Input 1");
addBooleanVariableReadNode(server, "i2c1.in2", "I2C1 / Digital Input 2");
addBooleanVariableReadNode(server, "i2c1.in3", "I2C1 / Digital Input 3");
}
}
......@@ -270,337 +290,417 @@ static void addVariable(UA_Server *server) {
*
*/
static void beforeReadTime(UA_Server *server,
const UA_NodeId *sessionId, void *sessionContext,
const UA_NodeId *nodeid, void *nodeContext,
const UA_NumericRange *range, const UA_DataValue *data) {
const UA_NodeId *sessionId, void *sessionContext,
const UA_NodeId *nodeid, void *nodeContext,
const UA_NumericRange *range, const UA_DataValue *data)
{
}
static void beforeReadTimeI2C0In0(UA_Server *server,
const UA_NodeId *sessionId, void *sessionContext,
const UA_NodeId *nodeid, void *nodeContext,
const UA_NumericRange *range, const UA_DataValue *data) {
int addr = I2C_SLAVE_ADDR_LIST[0];
char *data_input=0;
getDigitalInputState( addr, &data_input);
if ((*data_input) & (1UL << 0)){
if (data->value.type == &UA_TYPES[UA_TYPES_INT32]) {
*(UA_Int32 *)data->value.data = 1;
}
} else {
if (data->value.type == &UA_TYPES[UA_TYPES_INT32]) {
*(UA_Int32 *)data->value.data = 0;
}
}
const UA_NodeId *sessionId, void *sessionContext,
const UA_NodeId *nodeid, void *nodeContext,
const UA_NumericRange *range, const UA_DataValue *data)
{
int addr = I2C_SLAVE_ADDR_LIST[0];
char *data_input = 0;
getDigitalInputState(addr, &data_input);
if ((*data_input) & (1UL << 0))
{
if (data->value.type == &UA_TYPES[UA_TYPES_BOOLEAN])
{
*(UA_Boolean *)data->value.data = true;
}
}
else
{
if (data->value.type == &UA_TYPES[UA_TYPES_BOOLEAN])
{
*(UA_Boolean *)data->value.data = false;
}
}
}
static void beforeReadTimeI2C0In1(UA_Server *server,
const UA_NodeId *sessionId, void *sessionContext,
const UA_NodeId *nodeid, void *nodeContext,
const UA_NumericRange *range, const UA_DataValue *data) {
int addr = I2C_SLAVE_ADDR_LIST[0];
char *data_input=0;
getDigitalInputState( addr, &data_input);
if ((*data_input) & (1UL << 1)){
if (data->value.type == &UA_TYPES[UA_TYPES_INT32]) {
*(UA_Int32 *)data->value.data = 1;
}
} else {
if (data->value.type == &UA_TYPES[UA_TYPES_INT32]) {
*(UA_Int32 *)data->value.data = 0;
}
}
const UA_NodeId *sessionId, void *sessionContext,
const UA_NodeId *nodeid, void *nodeContext,
const UA_NumericRange *range, const UA_DataValue *data)
{
int addr = I2C_SLAVE_ADDR_LIST[0];
char *data_input = 0;
getDigitalInputState(addr, &data_input);
if ((*data_input) & (1UL << 1))
{
if (data->value.type == &UA_TYPES[UA_TYPES_BOOLEAN])
{
*(UA_Boolean *)data->value.data = true;
}
}
else
{
if (data->value.type == &UA_TYPES[UA_TYPES_BOOLEAN])
{
*(UA_Boolean *)data->value.data = false;
}
}
}
static void beforeReadTimeI2C0In2(UA_Server *server,
const UA_NodeId *sessionId, void *sessionContext,
const UA_NodeId *nodeid, void *nodeContext,
const UA_NumericRange *range, const UA_DataValue *data) {
int addr = I2C_SLAVE_ADDR_LIST[0];
char *data_input=0;
getDigitalInputState( addr, &data_input);
if ((*data_input) & (1UL << 2)){
if (data->value.type == &UA_TYPES[UA_TYPES_INT32]) {
*(UA_Int32 *)data->value.data = 1;
}
} else {
if (data->value.type == &UA_TYPES[UA_TYPES_INT32]) {
*(UA_Int32 *)data->value.data = 0;
}
}
const UA_NodeId *sessionId, void *sessionContext,
const UA_NodeId *nodeid, void *nodeContext,
const UA_NumericRange *range, const UA_DataValue *data)
{
int addr = I2C_SLAVE_ADDR_LIST[0];
char *data_input = 0;
getDigitalInputState(addr, &data_input);
if ((*data_input) & (1UL << 2))
{
if (data->value.type == &UA_TYPES[UA_TYPES_BOOLEAN])
{
*(UA_Boolean *)data->value.data = true;
}
}
else
{
if (data->value.type == &UA_TYPES[UA_TYPES_BOOLEAN])
{
*(UA_Boolean *)data->value.data = false;
}
}
}
static void beforeReadTimeI2C0In3(UA_Server *server,
const UA_NodeId *sessionId, void *sessionContext,
const UA_NodeId *nodeid, void *nodeContext,
const UA_NumericRange *range, const UA_DataValue *data) {
int addr = I2C_SLAVE_ADDR_LIST[0];
char *data_input=0;
getDigitalInputState( addr, &data_input);
if ((*data_input) & (1UL << 3)){
if (data->value.type == &UA_TYPES[UA_TYPES_INT32]) {
*(UA_Int32 *)data->value.data = 1;
}
} else {
if (data->value.type == &UA_TYPES[UA_TYPES_INT32]) {
*(UA_Int32 *)data->value.data = 0;
}
}
const UA_NodeId *sessionId, void *sessionContext,
const UA_NodeId *nodeid, void *nodeContext,
const UA_NumericRange *range, const UA_DataValue *data)
{
int addr = I2C_SLAVE_ADDR_LIST[0];
char *data_input = 0;
getDigitalInputState(addr, &data_input);
if ((*data_input) & (1UL << 3))
{
if (data->value.type == &UA_TYPES[UA_TYPES_BOOLEAN])
{
*(UA_Boolean *)data->value.data = true;
}
}
else
{
if (data->value.type == &UA_TYPES[UA_TYPES_BOOLEAN])
{
*(UA_Boolean *)data->value.data = false;
}
}
}
static void beforeReadTimeI2C1In0(UA_Server *server,
const UA_NodeId *sessionId, void *sessionContext,
const UA_NodeId *nodeid, void *nodeContext,
const UA_NumericRange *range, const UA_DataValue *data) {
int addr = I2C_SLAVE_ADDR_LIST[0];
char *data_input=0;
getDigitalInputState( addr, &data_input);
if ((*data_input) & (1UL << 0)){
if (data->value.type == &UA_TYPES[UA_TYPES_INT32]) {
*(UA_Int32 *)data->value.data = 1;
}
} else {
if (data->value.type == &UA_TYPES[UA_TYPES_INT32]) {
*(UA_Int32 *)data->value.data = 0;
}
}
const UA_NodeId *sessionId, void *sessionContext,
const UA_NodeId *nodeid, void *nodeContext,
const UA_NumericRange *range, const UA_DataValue *data)
{
int addr = I2C_SLAVE_ADDR_LIST[0];
char *data_input = 0;
getDigitalInputState(addr, &data_input);
if ((*data_input) & (1UL << 0))
{
if (data->value.type == &UA_TYPES[UA_TYPES_BOOLEAN])
{
*(UA_Boolean *)data->value.data = true;
}
}
else
{
if (data->value.type == &UA_TYPES[UA_TYPES_BOOLEAN])
{
*(UA_Boolean *)data->value.data = false;
}
}
}
static void beforeReadTimeI2C1In1(UA_Server *server,
const UA_NodeId *sessionId, void *sessionContext,
const UA_NodeId *nodeid, void *nodeContext,
const UA_NumericRange *range, const UA_DataValue *data) {
int addr = I2C_SLAVE_ADDR_LIST[0];
char *data_input=0;
getDigitalInputState( addr, &data_input);
if ((*data_input) & (1UL << 1)){
if (data->value.type == &UA_TYPES[UA_TYPES_INT32]) {
*(UA_Int32 *)data->value.data = 1;
}
} else {
if (data->value.type == &UA_TYPES[UA_TYPES_INT32]) {
*(UA_Int32 *)data->value.data = 0;
}
}
const UA_NodeId *sessionId, void *sessionContext,
const UA_NodeId *nodeid, void *nodeContext,
const UA_NumericRange *range, const UA_DataValue *data)
{
int addr = I2C_SLAVE_ADDR_LIST[0];
char *data_input = 0;
getDigitalInputState(addr, &data_input);
if ((*data_input) & (1UL << 1))
{
if (data->value.type == &UA_TYPES[UA_TYPES_BOOLEAN])
{
*(UA_Boolean *)data->value.data = true;
}
}
else
{
if (data->value.type == &UA_TYPES[UA_TYPES_BOOLEAN])
{
*(UA_Boolean *)data->value.data = false;
}
}
}
static void beforeReadTimeI2C1In2(UA_Server *server,
const UA_NodeId *sessionId, void *sessionContext,
const UA_NodeId *nodeid, void *nodeContext,
const UA_NumericRange *range, const UA_DataValue *data) {
int addr = I2C_SLAVE_ADDR_LIST[0];
char *data_input=0;
getDigitalInputState( addr, &data_input);
if ((*data_input) & (1UL << 2)){
if (data->value.type == &UA_TYPES[UA_TYPES_INT32]) {
*(UA_Int32 *)data->value.data = 1;
}
} else {
if (data->value.type == &UA_TYPES[UA_TYPES_INT32]) {
*(UA_Int32 *)data->value.data = 0;
}
}
const UA_NodeId *sessionId, void *sessionContext,
const UA_NodeId *nodeid, void *nodeContext,
const UA_NumericRange *range, const UA_DataValue *data)
{
int addr = I2C_SLAVE_ADDR_LIST[0];
char *data_input = 0;
getDigitalInputState(addr, &data_input);
if ((*data_input) & (1UL << 2))
{
if (data->value.type == &UA_TYPES[UA_TYPES_BOOLEAN])
{
*(UA_Boolean *)data->value.data = true;
}
}
else
{
if (data->value.type == &UA_TYPES[UA_TYPES_BOOLEAN])
{
*(UA_Boolean *)data->value.data = false;
}
}
}
static void beforeReadTimeI2C1In3(UA_Server *server,
const UA_NodeId *sessionId, void *sessionContext,
const UA_NodeId *nodeid, void *nodeContext,
const UA_NumericRange *range, const UA_DataValue *data) {
int addr = I2C_SLAVE_ADDR_LIST[0];
char *data_input=0;
getDigitalInputState( addr, &data_input);
if ((*data_input) & (1UL << 3)){
if (data->value.type == &UA_TYPES[UA_TYPES_INT32]) {
*(UA_Int32 *)data->value.data = 1;
}
} else {
if (data->value.type == &UA_TYPES[UA_TYPES_INT32]) {
*(UA_Int32 *)data->value.data = 0;
}
}
const UA_NodeId *sessionId, void *sessionContext,
const UA_NodeId *nodeid, void *nodeContext,
const UA_NumericRange *range, const UA_DataValue *data)
{
int addr = I2C_SLAVE_ADDR_LIST[0];
char *data_input = 0;
getDigitalInputState(addr, &data_input);
if ((*data_input) & (1UL << 3))
{
if (data->value.type == &UA_TYPES[UA_TYPES_BOOLEAN])
{
*(UA_Boolean *)data->value.data = true;
}
}
else
{
if (data->value.type == &UA_TYPES[UA_TYPES_BOOLEAN])
{
*(UA_Boolean *)data->value.data = false;
}
}
}
static void afterWriteTime(UA_Server *server,
const UA_NodeId *sessionId, void *sessionContext,
const UA_NodeId *nodeId, void *nodeContext,
const UA_NumericRange *range, const UA_DataValue *data) {
// nothing to do as not yet needed.
const UA_NodeId *sessionId, void *sessionContext,
const UA_NodeId *nodeId, void *nodeContext,
const UA_NumericRange *range, const UA_DataValue *data)
{
// nothing to do as not yet needed.
}
// XXX: having afterWriteTime{0..3} is not needed and maybe with introspection of context we can
// write only one callback function
static void afterWriteTimeI2C0_0(UA_Server *server,
const UA_NodeId *sessionId, void *sessionContext,
const UA_NodeId *nodeId, void *nodeContext,
const UA_NumericRange *range, const UA_DataValue *data) {
if (data->value.type == &UA_TYPES[UA_TYPES_INT32]) {
const UA_NodeId *sessionId, void *sessionContext,
const UA_NodeId *nodeId, void *nodeContext,
const UA_NumericRange *range, const UA_DataValue *data)
{
if (data->value.type == &UA_TYPES[UA_TYPES_INT32])
{
UA_Int32 hrValue = *(UA_Int32 *)data->value.data;
int addr = I2C_SLAVE_ADDR_LIST[0];
if (hrValue > 0){
I2C_0_RELAYS_STATE |= 1UL << 0;
int addr = I2C_SLAVE_ADDR_LIST[0];
if (hrValue > 0)
{
I2C_0_RELAYS_STATE |= 1UL << 0;
setRelayState(I2C_0_RELAYS_STATE, addr);
}
else {
}
else
{
I2C_0_RELAYS_STATE &= ~(1UL << 0);
setRelayState(I2C_0_RELAYS_STATE, addr);
}
}
}
}
static void afterWriteTimeI2C0_1(UA_Server *server,
const UA_NodeId *sessionId, void *sessionContext,
const UA_NodeId *nodeId, void *nodeContext,
const UA_NumericRange *range, const UA_DataValue *data) {
if (data->value.type == &UA_TYPES[UA_TYPES_INT32]) {
const UA_NodeId *sessionId, void *sessionContext,
const UA_NodeId *nodeId, void *nodeContext,
const UA_NumericRange *range, const UA_DataValue *data)
{
if (data->value.type == &UA_TYPES[UA_TYPES_INT32])
{
UA_Int32 hrValue = *(UA_Int32 *)data->value.data;
int addr = I2C_SLAVE_ADDR_LIST[0];
if (hrValue > 0){
if (hrValue > 0)
{
I2C_0_RELAYS_STATE |= 1UL << 1;
setRelayState(I2C_0_RELAYS_STATE, addr);
}
else {
}
else
{
I2C_0_RELAYS_STATE &= ~(1UL << 1);
setRelayState(I2C_0_RELAYS_STATE, addr);
}
}
}
}
static void afterWriteTimeI2C0_2(UA_Server *server,
const UA_NodeId *sessionId, void *sessionContext,
const UA_NodeId *nodeId, void *nodeContext,
const UA_NumericRange *range, const UA_DataValue *data) {
if (data->value.type == &UA_TYPES[UA_TYPES_INT32]) {
const UA_NodeId *sessionId, void *sessionContext,
const UA_NodeId *nodeId, void *nodeContext,
const UA_NumericRange *range, const UA_DataValue *data)
{
if (data->value.type == &UA_TYPES[UA_TYPES_INT32])
{
UA_Int32 hrValue = *(UA_Int32 *)data->value.data;
int addr = I2C_SLAVE_ADDR_LIST[0];
if (hrValue > 0){
if (hrValue > 0)
{
I2C_0_RELAYS_STATE |= 1UL << 2;
setRelayState(I2C_0_RELAYS_STATE, addr);
}
else {
}
else
{
I2C_0_RELAYS_STATE &= ~(1UL << 2);
setRelayState(I2C_0_RELAYS_STATE, addr);
}
}
}
}
static void afterWriteTimeI2C0_3(UA_Server *server,
const UA_NodeId *sessionId, void *sessionContext,
const UA_NodeId *nodeId, void *nodeContext,
const UA_NumericRange *range, const UA_DataValue *data) {
if (data->value.type == &UA_TYPES[UA_TYPES_INT32]) {
const UA_NodeId *sessionId, void *sessionContext,
const UA_NodeId *nodeId, void *nodeContext,
const UA_NumericRange *range, const UA_DataValue *data)
{
if (data->value.type == &UA_TYPES[UA_TYPES_INT32])
{
UA_Int32 hrValue = *(UA_Int32 *)data->value.data;
int addr = I2C_SLAVE_ADDR_LIST[0];
if (hrValue > 0){
if (hrValue > 0)
{
I2C_0_RELAYS_STATE |= 1UL << 3;
setRelayState(I2C_0_RELAYS_STATE, addr);
}
else {
}
else
{
I2C_0_RELAYS_STATE &= ~(1UL << 3);
setRelayState(I2C_0_RELAYS_STATE, addr);
}
}
}
}
// I2C1
static void afterWriteTimeI2C1_0(UA_Server *server,
const UA_NodeId *sessionId, void *sessionContext,
const UA_NodeId *nodeId, void *nodeContext,
const UA_NumericRange *range, const UA_DataValue *data) {
if (data->value.type == &UA_TYPES[UA_TYPES_INT32]) {
const UA_NodeId *sessionId, void *sessionContext,
const UA_NodeId *nodeId, void *nodeContext,
const UA_NumericRange *range, const UA_DataValue *data)
{
if (data->value.type == &UA_TYPES[UA_TYPES_INT32])
{
UA_Int32 hrValue = *(UA_Int32 *)data->value.data;
int addr = I2C_SLAVE_ADDR_LIST[1];
if (hrValue > 0){
I2C_1_RELAYS_STATE |= 1UL << 0;
if (hrValue > 0)
{
I2C_1_RELAYS_STATE |= 1UL << 0;
setRelayState(I2C_1_RELAYS_STATE, addr);
}
else {
}
else
{
I2C_1_RELAYS_STATE &= ~(1UL << 0);
setRelayState(I2C_1_RELAYS_STATE, addr);
}
}
}
}
static void afterWriteTimeI2C1_1(UA_Server *server,
const UA_NodeId *sessionId, void *sessionContext,
const UA_NodeId *nodeId, void *nodeContext,
const UA_NumericRange *range, const UA_DataValue *data) {
if (data->value.type == &UA_TYPES[UA_TYPES_INT32]) {
const UA_NodeId *sessionId, void *sessionContext,
const UA_NodeId *nodeId, void *nodeContext,
const UA_NumericRange *range, const UA_DataValue *data)
{
if (data->value.type == &UA_TYPES[UA_TYPES_INT32])
{
UA_Int32 hrValue = *(UA_Int32 *)data->value.data;
int addr = I2C_SLAVE_ADDR_LIST[1];
if (hrValue > 0){
I2C_1_RELAYS_STATE |= 1UL << 1;
if (hrValue > 0)
{
I2C_1_RELAYS_STATE |= 1UL << 1;
setRelayState(I2C_1_RELAYS_STATE, addr);
}
else {
}
else
{
I2C_1_RELAYS_STATE &= ~(1UL << 1);
setRelayState(I2C_1_RELAYS_STATE, addr);
}
}
}
}
static void afterWriteTimeI2C1_2(UA_Server *server,
const UA_NodeId *sessionId, void *sessionContext,
const UA_NodeId *nodeId, void *nodeContext,
const UA_NumericRange *range, const UA_DataValue *data) {
if (data->value.type == &UA_TYPES[UA_TYPES_INT32]) {
const UA_NodeId *sessionId, void *sessionContext,
const UA_NodeId *nodeId, void *nodeContext,
const UA_NumericRange *range, const UA_DataValue *data)
{
if (data->value.type == &UA_TYPES[UA_TYPES_INT32])
{
UA_Int32 hrValue = *(UA_Int32 *)data->value.data;
int addr = I2C_SLAVE_ADDR_LIST[1];
if (hrValue > 0){
I2C_1_RELAYS_STATE |= 1UL << 2;
if (hrValue > 0)
{
I2C_1_RELAYS_STATE |= 1UL << 2;
setRelayState(I2C_1_RELAYS_STATE, addr);
}
else {
}
else
{
I2C_1_RELAYS_STATE &= ~(1UL << 2);
setRelayState(I2C_1_RELAYS_STATE, addr);
}
}
}
}
static void afterWriteTimeI2C1_3(UA_Server *server,
const UA_NodeId *sessionId, void *sessionContext,
const UA_NodeId *nodeId, void *nodeContext,
const UA_NumericRange *range, const UA_DataValue *data) {
if (data->value.type == &UA_TYPES[UA_TYPES_INT32]) {
const UA_NodeId *sessionId, void *sessionContext,
const UA_NodeId *nodeId, void *nodeContext,
const UA_NumericRange *range, const UA_DataValue *data)
{
if (data->value.type == &UA_TYPES[UA_TYPES_INT32])
{
UA_Int32 hrValue = *(UA_Int32 *)data->value.data;
int addr = I2C_SLAVE_ADDR_LIST[1];
if (hrValue > 0){
I2C_1_RELAYS_STATE |= 1UL << 3;
if (hrValue > 0)
{
I2C_1_RELAYS_STATE |= 1UL << 3;
setRelayState(I2C_1_RELAYS_STATE, addr);
}
else {
}
else
{
I2C_1_RELAYS_STATE &= ~(1UL << 3);
setRelayState(I2C_1_RELAYS_STATE, addr);
}
}
}
}
static void addValueCallbackToCurrentTimeVariable(UA_Server *server) {
int length = getI2CSlaveListLength();
static void addValueCallbackToCurrentTimeVariable(UA_Server *server)
{
int length = getI2CSlaveListLength();
// I2C0
// relay 0
UA_NodeId currentNodeId0 = UA_NODEID_STRING(1, "i2c0.relay0");
UA_ValueCallback callback0 ;
UA_ValueCallback callback0;
callback0.onRead = beforeReadTime;
callback0.onWrite = afterWriteTimeI2C0_0;
UA_Server_setVariableNode_valueCallback(server, currentNodeId0, callback0);
// relay 1
UA_NodeId currentNodeId1 = UA_NODEID_STRING(1, "i2c0.relay1");
UA_ValueCallback callback1 ;
UA_ValueCallback callback1;
callback1.onRead = beforeReadTime;
callback1.onWrite = afterWriteTimeI2C0_1;
UA_Server_setVariableNode_valueCallback(server, currentNodeId1, callback1);
// relay 2
UA_NodeId currentNodeId2 = UA_NODEID_STRING(1, "i2c0.relay2");
UA_ValueCallback callback2 ;
UA_ValueCallback callback2;
callback2.onRead = beforeReadTime;
callback2.onWrite = afterWriteTimeI2C0_2;
UA_Server_setVariableNode_valueCallback(server, currentNodeId2, callback2);
// relay 3
UA_NodeId currentNodeId3 = UA_NODEID_STRING(1, "i2c0.relay3");
UA_ValueCallback callback3 ;
UA_ValueCallback callback3;
callback3.onRead = beforeReadTime;
callback3.onWrite = afterWriteTimeI2C0_3;
UA_Server_setVariableNode_valueCallback(server, currentNodeId3, callback3);
......@@ -633,7 +733,8 @@ static void addValueCallbackToCurrentTimeVariable(UA_Server *server) {
callback7.onWrite = afterWriteTime;
UA_Server_setVariableNode_valueCallback(server, currentNodeId7, callback7);
if(length > 1){
if (length > 1)
{
// I2C1
// relay 0
UA_NodeId currentNodeId8 = UA_NODEID_STRING(1, "i2c1.relay0");
......@@ -641,21 +742,21 @@ static void addValueCallbackToCurrentTimeVariable(UA_Server *server) {
callback8.onRead = beforeReadTime;
callback8.onWrite = afterWriteTimeI2C1_0;
UA_Server_setVariableNode_valueCallback(server, currentNodeId8, callback8);
// relay 1
UA_NodeId currentNodeId9 = UA_NODEID_STRING(1, "i2c1.relay1");
UA_ValueCallback callback9;
callback9.onRead = beforeReadTime;
callback9.onWrite = afterWriteTimeI2C1_1;
UA_Server_setVariableNode_valueCallback(server, currentNodeId9, callback9);
// relay 2
UA_NodeId currentNodeId10 = UA_NODEID_STRING(1, "i2c1.relay2");
UA_ValueCallback callback10;
callback10.onRead = beforeReadTime;
callback10.onWrite = afterWriteTimeI2C1_2;
UA_Server_setVariableNode_valueCallback(server, currentNodeId6, callback10);
// relay 2
UA_NodeId currentNodeId11 = UA_NODEID_STRING(1, "i2c1.relay3");
UA_ValueCallback callback11;
......@@ -691,10 +792,10 @@ static void addValueCallbackToCurrentTimeVariable(UA_Server *server) {
callback15.onWrite = afterWriteTime;
UA_Server_setVariableNode_valueCallback(server, currentNodeId15, callback15);
}
}
void safeShutdownI2CSlaveList() {
void safeShutdownI2CSlaveList()
{
/*
* Perform a safe shutdown of all known I2C slaves
*/
......@@ -703,24 +804,27 @@ void safeShutdownI2CSlaveList() {
int addr;
length = sizeof(I2C_SLAVE_ADDR_LIST) / sizeof(int);
for(i = 0; i < length; i++)
for (i = 0; i < length; i++)
{
addr = I2C_SLAVE_ADDR_LIST[i];
if (addr!= 0) {
// properly initialized from CLI
setRelayState(0x00, addr);
}
if (addr != 0)
{
// properly initialized from CLI
setRelayState(0x00, addr);
}
}
}
static volatile UA_Boolean running = true;
static void stopHandler(int sign) {
static void stopHandler(int sign)
{
UA_LOG_INFO(UA_Log_Stdout, UA_LOGCATEGORY_SERVER, "received ctrl-c");
running = false;
}
int main(int argc, char **argv) {
int main(int argc, char **argv)
{
int i;
int length;
long result;
......@@ -738,20 +842,20 @@ int main(int argc, char **argv) {
printf("Block device=%s\n", arguments.device);
printf("Slave address list=%s\n", arguments.slave_address_list);
// transfer to global variables (CLI input)
// transfer to global variables (CLI input)
I2C_VIRTUAL_MODE = arguments.mode;
I2C_BLOCK_DEVICE_NAME = arguments.device;
I2C_BLOCK_DEVICE_NAME = arguments.device;
// convert arguments.slave_address_list -> I2C_SLAVE_ADDR_LIST
i = 0;
char *token = strtok(arguments.slave_address_list, ",");
while (token != NULL)
{
// from CLI we get a hexidecimal string as a char (0x58 for example), convert to decimal
// from CLI we get a hexidecimal string as a char (0x58 for example), convert to decimal
result = strtol(token, &eptr, 16);
I2C_SLAVE_ADDR_LIST[i++] = result;
token = strtok (NULL, ",");
}
token = strtok(NULL, ",");
}
// always start attached slaves from a know safe shutdown state
safeShutdownI2CSlaveList();
......@@ -761,7 +865,7 @@ int main(int argc, char **argv) {
UA_Server *server = UA_Server_new();
UA_ServerConfig_setMinimal(UA_Server_getConfig(server), arguments.port, NULL);
UA_ServerConfig* config = UA_Server_getConfig(server);
UA_ServerConfig *config = UA_Server_getConfig(server);
config->verifyRequestTimestamp = UA_RULEHANDLING_ACCEPT;
addVariable(server);
......@@ -773,6 +877,6 @@ int main(int argc, char **argv) {
// always leave attached slaves to a known safe shutdown state
safeShutdownI2CSlaveList();
return retval == UA_STATUSCODE_GOOD ? EXIT_SUCCESS : EXIT_FAILURE;
}
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