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pf_fspm.c
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/*********************************************************************
* _ _ _
* _ __ | |_ _ | | __ _ | |__ ___
* | '__|| __|(_)| | / _` || '_ \ / __|
* | | | |_ _ | || (_| || |_) |\__ \
* |_| \__|(_)|_| \__,_||_.__/ |___/
*
* www.rt-labs.com
* Copyright 2018 rt-labs AB, Sweden.
*
* This software is dual-licensed under GPLv3 and a commercial
* license. See the file LICENSE.md distributed with this software for
* full license information.
********************************************************************/
/**
* @file
* @brief Implements the Fieldbus Application Layer Service Protocol Machine
* (FSPM)
*
* Stores the user-defined configuration, and calls the user-defined callbacks.
* Create logbook entries.
* Reads and writes identification & maintenance (I&M) records.
*/
#ifdef UNIT_TEST
#define os_get_current_time_us mock_os_get_current_time_us
#define pf_file_clear mock_pf_file_clear
#define pf_file_load mock_pf_file_load
#define pf_file_save_if_modified mock_pf_file_save_if_modified
#endif
#include <string.h>
#include <inttypes.h>
#include "pf_includes.h"
#include "pf_block_reader.h"
typedef struct pf_im_nvm
{
pnet_im_1_t im1;
pnet_im_2_t im2;
pnet_im_3_t im3;
pnet_im_4_t im4;
} pf_im_nvm_t;
void pf_fspm_im_show (const pnet_t * net)
{
printf ("Identification & Maintenance\n");
printf (
"I&M1.im_tag_function : <%s>\n",
net->fspm_cfg.im_1_data.im_tag_function);
printf (
"I&M1.im_tag_location : <%s>\n",
net->fspm_cfg.im_1_data.im_tag_location);
printf ("I&M2.date : <%s>\n", net->fspm_cfg.im_2_data.im_date);
printf (
"I&M3.im_descriptor : <%s>\n",
net->fspm_cfg.im_3_data.im_descriptor);
printf (
"I&M4.im_signature : <%s>\n",
net->fspm_cfg.im_4_data.im_signature); /* Should be binary data, but works
for now */
}
void pf_fspm_logbook_show (const pnet_t * net)
{
uint16_t ix;
printf ("Logbook. Has wrapped: %u\n", net->fspm_log_book.wrap);
printf ("ix Next Error code Detail Timestamp (s)\n");
for (ix = 0; ix < NELEMENTS (net->fspm_log_book.entries); ix++)
{
printf ("[%02u] %s ", ix, (ix == net->fspm_log_book.put) ? "*" : " ");
if (
(net->fspm_log_book.entries[ix].ar_uuid.data1 != 0) ||
(net->fspm_log_book.entries[ix].ar_uuid.data2 != 0) ||
(net->fspm_log_book.entries[ix].ar_uuid.data3 != 0))
{
printf (
"0x%02X 0x%02X 0x%02X 0x%02X 0x%08" PRIX32 " %" PRIu32 "\n",
net->fspm_log_book.entries[ix].pnio_status.error_code,
net->fspm_log_book.entries[ix].pnio_status.error_decode,
net->fspm_log_book.entries[ix].pnio_status.error_code_1,
net->fspm_log_book.entries[ix].pnio_status.error_code_2,
net->fspm_log_book.entries[ix].entry_detail,
net->fspm_log_book.entries[ix].time_ts.sec_lo);
}
else
{
printf ("\n");
}
}
}
void pf_fspm_option_show (const pnet_t * net)
{
printf ("Compile time options affecting memory consumption:\n");
printf ("PNET_MAX_AR : %d\n", PNET_MAX_AR);
printf (
"PNET_MAX_API : %d\n",
PNET_MAX_API);
printf ("PNET_MAX_CR : %d\n", PNET_MAX_CR);
printf (
"PNET_MAX_SLOTS : %d\n",
PNET_MAX_SLOTS);
printf (
"PNET_MAX_SUBSLOTS : %d\n",
PNET_MAX_SUBSLOTS);
printf (
"PNET_MAX_DFP_IOCR : %d\n",
PNET_MAX_DFP_IOCR);
printf (
"PNET_MAX_PHYSICAL_PORTS : %d\n",
PNET_MAX_PHYSICAL_PORTS);
printf (
"PNET_MAX_LOG_BOOK_ENTRIES : %d\n",
PNET_MAX_LOG_BOOK_ENTRIES);
printf (
"PNET_MAX_ALARMS : %d\n",
PNET_MAX_ALARMS);
printf (
"PNET_MAX_ALARM_PAYLOAD_DATA_SIZE : %d\n",
PNET_MAX_ALARM_PAYLOAD_DATA_SIZE);
printf (
"PNET_MAX_DIAG_ITEMS : %d\n",
PNET_MAX_DIAG_ITEMS);
printf (
"PNET_MAX_DIAG_MANUF_DATA_SIZE : %d\n",
PNET_MAX_DIAG_MANUF_DATA_SIZE);
printf (
"PNET_MAX_DIRECTORYPATH_SIZE : %d\n",
PNET_MAX_DIRECTORYPATH_SIZE);
printf (
"PNET_MAX_FILENAME_SIZE : %d\n",
PNET_MAX_FILENAME_SIZE);
printf (
"PNET_MAX_SESSION_BUFFER_SIZE : %d\n",
PNET_MAX_SESSION_BUFFER_SIZE);
printf (
"PNET_MAX_MAN_SPECIFIC_FAST_STARTUP_DATA_LENGTH : %d\n",
PNET_MAX_MAN_SPECIFIC_FAST_STARTUP_DATA_LENGTH);
printf (
"PNET_OPTION_MC_CR : %d\n",
PNET_OPTION_MC_CR);
#if PNET_OPTION_MC_CR
printf (
"PNET_MAX_MC_CR : %d\n",
PNET_MAX_MC_CR);
#endif
printf (
"PNET_OPTION_AR_VENDOR_BLOCKS : %d\n",
PNET_OPTION_AR_VENDOR_BLOCKS);
#if PNET_OPTION_AR_VENDOR_BLOCKS
printf (
"PNET_MAX_AR_VENDOR_BLOCKS : %d\n",
PNET_MAX_AR_VENDOR_BLOCKS);
printf (
"PNET_MAX_AR_VENDOR_BLOCK_DATA_LENGTH : %d\n",
PNET_MAX_AR_VENDOR_BLOCK_DATA_LENGTH);
#endif
printf (
"PNET_OPTION_FAST_STARTUP : %d\n",
PNET_OPTION_FAST_STARTUP);
printf (
"PNET_OPTION_PARAMETER_SERVER : %d\n",
PNET_OPTION_PARAMETER_SERVER);
printf (
"PNET_OPTION_IR : %d\n",
PNET_OPTION_IR);
printf (
"PNET_OPTION_SR : %d\n",
PNET_OPTION_SR);
printf (
"PNET_OPTION_REDUNDANCY : %d\n",
PNET_OPTION_REDUNDANCY);
printf (
"PNET_OPTION_RS : %d\n",
PNET_OPTION_RS);
printf (
"PNET_OPTION_SRL : %d\n",
PNET_OPTION_SRL);
printf (
"PNET_OPTION_SNMP : %d\n",
PNET_OPTION_SNMP);
printf ("LOG_LEVEL (DEBUG=0, FATAL=4) : %d\n", LOG_LEVEL);
printf (
"sizeof(pnet_t) : %" PRIu32 " bytes (for currently selected option "
"values)\n",
(uint32_t)sizeof (pnet_t));
}
/**
* @internal
* Validate the configuration from the user.
*
* @param p_cfg In: Configuration object
* @return 0 if the configuration is valid.
* -1 if the configuration is invalid.
*/
int pf_fspm_validate_configuration (const pnet_cfg_t * p_cfg)
{
const uint16_t im_mask =
~(PNET_SUPPORTED_IM1 | PNET_SUPPORTED_IM2 | PNET_SUPPORTED_IM3 |
PNET_SUPPORTED_IM4);
if (p_cfg == NULL)
{
LOG_ERROR (
PNET_LOG,
"FSPM(%d): You must provide a configuration, but it is NULL.\n",
__LINE__);
return -1;
}
if (p_cfg->tick_us == 0)
{
LOG_ERROR (
PNET_LOG,
"FSPM(%d): Configured tick interval must not be 0. By default, sample "
"application uses 1000 micro seconds tick interval\n",
__LINE__);
return -1;
}
if (strlen (p_cfg->if_cfg.main_netif_name) == 0)
{
LOG_ERROR (
PNET_LOG,
"FSPM(%d): Length of network interface name must not be 0.\n",
__LINE__);
return -1;
}
if (
p_cfg->num_physical_ports == 0 ||
p_cfg->num_physical_ports > PNET_MAX_PHYSICAL_PORTS)
{
LOG_ERROR (
PNET_LOG,
"FSPM(%d): The number of ports setting is wrong. Given: %d "
"PNET_MAX_PHYSICAL_PORTS: %d\n",
__LINE__,
p_cfg->num_physical_ports,
PNET_MAX_PHYSICAL_PORTS);
return -1;
}
if (p_cfg->min_device_interval == 0)
{
LOG_ERROR (
PNET_LOG,
"FSPM(%d): The min_device_interval in the config must not be 0. It "
"should typically be 32, corresponding to 1 ms.\n",
__LINE__);
return -1;
}
else if (p_cfg->min_device_interval > 0x1000)
{
LOG_ERROR (
PNET_LOG,
"FSPM(%d): The min_device_interval in the config is too large. Max is "
"4096, corresponding to 128 ms.\n",
__LINE__);
return -1;
}
if ((p_cfg->im_0_data.im_supported & im_mask) > 0)
{
LOG_ERROR (
PNET_LOG,
"FSPM(%d): The I&M supported setting is wrong. Given: 0x%04x\n",
__LINE__,
p_cfg->im_0_data.im_supported);
return -1;
}
return 0;
}
/**
* @internal
* Load the I&M settings from nonvolatile memory, if existing.
*
* @param net InOut: The p-net stack instance
*/
static void pf_fspm_load_im (pnet_t * net)
{
pf_im_nvm_t file_im;
const char * p_file_directory = pf_cmina_get_file_directory (net);
if (
pf_file_load (
p_file_directory,
PF_FILENAME_IM,
&file_im,
sizeof (pf_im_nvm_t)) == 0)
{
LOG_DEBUG (
PNET_LOG,
"FSPM(%d): Did read I&M settings from nvm.\n",
__LINE__);
os_mutex_lock (net->fspm_im_mutex);
memcpy (&net->fspm_cfg.im_1_data, &file_im.im1, sizeof (pnet_im_1_t));
memcpy (&net->fspm_cfg.im_2_data, &file_im.im2, sizeof (pnet_im_2_t));
memcpy (&net->fspm_cfg.im_3_data, &file_im.im3, sizeof (pnet_im_3_t));
memcpy (&net->fspm_cfg.im_4_data, &file_im.im4, sizeof (pnet_im_4_t));
os_mutex_unlock (net->fspm_im_mutex);
}
else
{
LOG_DEBUG (
PNET_LOG,
"FSPM(%d): Could not yet read I&M settings from nvm. Use values from "
"user configuration.\n",
__LINE__);
}
}
/**
* @internal
* Save the I&M settings to nonvolatile memory, if necessary.
*
* Compares with the content of already stored settings (in order not to
* wear out the flash chip)
*
* @param net InOut: The p-net stack instance
*/
static void pf_fspm_save_im (pnet_t * net)
{
pf_im_nvm_t output_im;
pf_im_nvm_t temporary_buffer;
const char * p_file_directory = pf_cmina_get_file_directory (net);
int res = 0;
os_mutex_lock (net->fspm_im_mutex);
memcpy (&output_im.im1, &net->fspm_cfg.im_1_data, sizeof (pnet_im_1_t));
memcpy (&output_im.im2, &net->fspm_cfg.im_2_data, sizeof (pnet_im_2_t));
memcpy (&output_im.im3, &net->fspm_cfg.im_3_data, sizeof (pnet_im_3_t));
memcpy (&output_im.im4, &net->fspm_cfg.im_4_data, sizeof (pnet_im_4_t));
os_mutex_unlock (net->fspm_im_mutex);
res = pf_file_save_if_modified (
p_file_directory,
PF_FILENAME_IM,
&output_im,
&temporary_buffer,
sizeof (pf_im_nvm_t));
switch (res)
{
case 2:
LOG_INFO (
PNET_LOG,
"FSPM(%d): First nvm saving of I&M settings.\n",
__LINE__);
break;
case 1:
LOG_INFO (
PNET_LOG,
"FSPM(%d): Updating nvm stored I&M settings.\n",
__LINE__);
break;
case 0:
LOG_DEBUG (
PNET_LOG,
"FSPM(%d): No storing of nvm I&M settings (no changes).\n",
__LINE__);
break;
default:
case -1:
LOG_ERROR (
PNET_LOG,
"FSPM(%d): Failed to store nvm I&M settings.\n",
__LINE__);
break;
}
}
/**
* Set device location in I&M data record 1.
*
* If location string does not fit in the I&M1 field "IM_Tag_Location",
* (which is 22 bytes) it will be truncated with termination added.
*
* Also see pf_fspm_save_im_location().
*
* @param net InOut: The p-net stack instance
* @param location In: New device location.
*/
static void pf_fspm_set_im_location (pnet_t * net, const char * location)
{
os_mutex_lock (net->fspm_im_mutex);
snprintf (
net->fspm_cfg.im_1_data.im_tag_location,
sizeof (net->fspm_cfg.im_1_data.im_tag_location),
"%-22s",
location);
os_mutex_unlock (net->fspm_im_mutex);
}
void pf_fspm_get_im_location (pnet_t * net, char * location)
{
os_mutex_lock (net->fspm_im_mutex);
snprintf (
location,
PNET_LOCATION_MAX_SIZE,
"%-22s",
net->fspm_cfg.im_1_data.im_tag_location);
os_mutex_unlock (net->fspm_im_mutex);
}
void pf_fspm_save_im_location (pnet_t * net, const char * location)
{
pf_fspm_set_im_location (net, location);
pf_fspm_save_im (net);
}
int pf_fspm_init (pnet_t * net, const pnet_cfg_t * p_cfg)
{
if (pf_fspm_validate_configuration (p_cfg) != 0)
{
return -1;
}
/* Use a copy of the configuration. For example the I&M data might be updated
* at runtime. */
net->fspm_cfg = *p_cfg;
/* Reference to the default settings (used at factory reset) */
net->p_fspm_default_cfg = p_cfg;
/* Create mutex for protecting writable I&M data */
if (net->fspm_im_mutex == NULL)
{
net->fspm_im_mutex = os_mutex_create();
}
/* Load I&M data modifications from file, if any */
pf_fspm_load_im (net);
pf_fspm_save_im (net);
/* Log book */
if (net->fspm_log_book_mutex == NULL)
{
net->fspm_log_book_mutex = os_mutex_create();
}
/* Turn LED off */
if (pf_fspm_signal_led_ind (net, false) != 0)
{
LOG_ERROR (
PNET_LOG,
"FSPM(%d): Could not turn signal LED off\n",
__LINE__);
}
return 0;
}
void pf_fspm_exit (pnet_t * net)
{
if (net->fspm_im_mutex != NULL)
{
os_mutex_destroy (net->fspm_im_mutex);
memset (&net->fspm_im_mutex, 0, sizeof (net->fspm_im_mutex));
}
if (net->fspm_log_book_mutex != NULL)
{
os_mutex_destroy (net->fspm_log_book_mutex);
memset (&net->fspm_log_book_mutex, 0, sizeof (net->fspm_log_book_mutex));
}
}
void pf_fspm_create_log_book_entry (
pnet_t * net,
uint32_t arep,
const pnet_pnio_status_t * p_pnio_status,
uint32_t entry_detail)
{
uint16_t put;
uint32_t time = 0;
pf_ar_t * p_ar = NULL;
pf_uuid_t * p_ar_uuid = NULL;
if (pf_ar_find_by_arep (net, arep, &p_ar) == 0)
{
p_ar_uuid = &p_ar->ar_param.ar_uuid;
os_mutex_lock (net->fspm_log_book_mutex);
put = net->fspm_log_book.put;
net->fspm_log_book.put++;
if (net->fspm_log_book.put >= NELEMENTS (net->fspm_log_book.entries))
{
net->fspm_log_book.put = 0;
net->fspm_log_book.wrap = true;
}
time = os_get_current_time_us();
net->fspm_log_book.entries[put].time_ts.status = PF_TS_STATUS_LOCAL_ARB;
net->fspm_log_book.entries[put].time_ts.sec_hi = 0;
net->fspm_log_book.entries[put].time_ts.sec_lo = time / 1000000;
net->fspm_log_book.entries[put].time_ts.nano_sec =
(time % 1000000) * 1000;
net->fspm_log_book.entries[put].ar_uuid = *p_ar_uuid;
net->fspm_log_book.entries[put].pnio_status = *p_pnio_status;
net->fspm_log_book.entries[put].entry_detail = entry_detail;
os_mutex_unlock (net->fspm_log_book_mutex);
LOG_DEBUG (
PNET_LOG,
"FSPM(%d): Added logbook entry to position %u\n",
__LINE__,
put);
}
}
int pf_fspm_clear_im_data (pnet_t * net)
{
os_mutex_lock (net->fspm_im_mutex);
memset (
net->fspm_cfg.im_1_data.im_tag_function,
' ',
sizeof (net->fspm_cfg.im_1_data.im_tag_function));
net->fspm_cfg.im_1_data
.im_tag_function[sizeof (net->fspm_cfg.im_1_data.im_tag_function) - 1] =
'\0';
memset (
net->fspm_cfg.im_1_data.im_tag_location,
' ',
sizeof (net->fspm_cfg.im_1_data.im_tag_location));
net->fspm_cfg.im_1_data
.im_tag_location[sizeof (net->fspm_cfg.im_1_data.im_tag_location) - 1] =
'\0';
memset (
net->fspm_cfg.im_2_data.im_date,
' ',
sizeof (net->fspm_cfg.im_2_data.im_date));
net->fspm_cfg.im_2_data
.im_date[sizeof (net->fspm_cfg.im_2_data.im_date) - 1] = '\0';
memset (
net->fspm_cfg.im_3_data.im_descriptor,
' ',
sizeof (net->fspm_cfg.im_3_data.im_descriptor));
net->fspm_cfg.im_3_data
.im_descriptor[sizeof (net->fspm_cfg.im_3_data.im_descriptor) - 1] = '\0';
memset (
net->fspm_cfg.im_4_data.im_signature,
0,
sizeof (net->fspm_cfg.im_4_data.im_signature));
os_mutex_unlock (net->fspm_im_mutex);
pf_fspm_save_im (net);
return 0;
}
void pf_fspm_get_cfg (pnet_t * net, pnet_cfg_t ** pp_cfg)
{
if (pp_cfg != NULL)
{
*pp_cfg = &net->fspm_cfg;
}
}
void pf_fspm_get_default_cfg (pnet_t * net, const pnet_cfg_t ** pp_cfg)
{
if (pp_cfg != NULL)
{
*pp_cfg = net->p_fspm_default_cfg;
}
}
int16_t pf_cmina_get_min_device_interval (const pnet_t * net)
{
return net->fspm_cfg.min_device_interval;
}
/******************* Execute user callbacks *********************************/
int pf_fspm_exp_module_ind (
pnet_t * net,
uint32_t api,
uint16_t slot,
uint32_t module_ident)
{
int ret = -1;
if (net->fspm_cfg.exp_module_cb != NULL)
{
ret =
net->fspm_cfg
.exp_module_cb (net, net->fspm_cfg.cb_arg, api, slot, module_ident);
}
return ret;
}
int pf_fspm_exp_submodule_ind (
pnet_t * net,
uint32_t api,
uint16_t slot,
uint16_t subslot,
uint32_t module_ident,
uint32_t submodule_ident,
const pnet_data_cfg_t * p_exp_data)
{
int ret = -1;
if (net->fspm_cfg.exp_submodule_cb != NULL)
{
ret = net->fspm_cfg.exp_submodule_cb (
net,
net->fspm_cfg.cb_arg,
api,
slot,
subslot,
module_ident,
submodule_ident,
p_exp_data);
}
return ret;
}
void pf_fspm_data_status_changed (
pnet_t * net,
const pf_ar_t * p_ar,
const pf_iocr_t * p_iocr,
uint8_t changes,
uint8_t data_status)
{
if (net->fspm_cfg.new_data_status_cb != NULL)
{
(void)net->fspm_cfg.new_data_status_cb (
net,
net->fspm_cfg.cb_arg,
p_ar->arep,
p_iocr->crep,
changes,
data_status);
}
}
void pf_fspm_ccontrol_cnf (
pnet_t * net,
const pf_ar_t * p_ar,
pnet_result_t * p_result)
{
if (net->fspm_cfg.ccontrol_cb != NULL)
{
(void)net->fspm_cfg
.ccontrol_cb (net, net->fspm_cfg.cb_arg, p_ar->arep, p_result);
}
}
int pf_fspm_cm_read_ind (
pnet_t * net,
const pf_ar_t * p_ar,
const pf_iod_read_request_t * p_read_request,
uint8_t ** pp_read_data,
uint16_t * p_read_length,
pnet_result_t * p_read_status)
{
int ret = -1;
uint16_t slot = p_read_request->slot_number;
uint16_t subslot = p_read_request->subslot_number;
uint16_t index = p_read_request->index;
if (p_read_request->index <= PF_IDX_USER_MAX)
{
/* Trigger callback for application-specific data records */
if (net->fspm_cfg.read_cb != NULL)
{
ret = net->fspm_cfg.read_cb (
net,
net->fspm_cfg.cb_arg,
p_ar->arep,
p_read_request->api,
slot,
subslot,
index,
p_read_request->sequence_number,
pp_read_data,
p_read_length,
p_read_status);
}
else
{
p_read_status->pnio_status.error_code = PNET_ERROR_CODE_READ;
p_read_status->pnio_status.error_decode = PNET_ERROR_DECODE_PNIORW;
p_read_status->pnio_status.error_code_1 =
PNET_ERROR_CODE_1_APP_NOT_SUPPORTED;
p_read_status->pnio_status.error_code_2 = 0;
}
}
else if ((PF_IDX_SUB_IM_0 <= index) && (index <= PF_IDX_SUB_IM_15))
{
/* Read I&M data - This is handled internally. */
switch (index)
{
case PF_IDX_SUB_IM_0:
if (*p_read_length >= sizeof (net->fspm_cfg.im_0_data))
{
*pp_read_data = (uint8_t *)&net->fspm_cfg.im_0_data;
*p_read_length = sizeof (net->fspm_cfg.im_0_data);
ret = 0;
}
else
{
LOG_ERROR (
PNET_LOG,
"FSPM(%d): Failed to read I&M0 data\n",
__LINE__);
p_read_status->pnio_status.error_code = PNET_ERROR_CODE_READ;
p_read_status->pnio_status.error_decode = PNET_ERROR_DECODE_PNIORW;
p_read_status->pnio_status.error_code_1 =
PNET_ERROR_CODE_1_APP_READ_ERROR;
p_read_status->pnio_status.error_code_2 = 0;
}
break;
case PF_IDX_SUB_IM_1:
if ((net->fspm_cfg.im_0_data.im_supported & PNET_SUPPORTED_IM1) > 0)
{
LOG_INFO (
PNET_LOG,
"FSPM(%d): I&M1 function: \"%s\" Location: \"%s\"\n",
__LINE__,
net->fspm_cfg.im_1_data.im_tag_function,
net->fspm_cfg.im_1_data.im_tag_location);
*pp_read_data = (uint8_t *)&net->fspm_cfg.im_1_data;
*p_read_length = sizeof (net->fspm_cfg.im_1_data);
ret = 0;
}
else
{
LOG_INFO (
PNET_LOG,
"FSPM(%d): PLC is trying to read I&M1 data, but we have not "
"enabled it.\n",
__LINE__);
}
break;
case PF_IDX_SUB_IM_2:
if ((net->fspm_cfg.im_0_data.im_supported & PNET_SUPPORTED_IM2) > 0)
{
LOG_INFO (
PNET_LOG,
"FSPM(%d): I&M2 Date: %s\n",
__LINE__,
net->fspm_cfg.im_2_data.im_date);
*pp_read_data = (uint8_t *)&net->fspm_cfg.im_2_data;
*p_read_length = sizeof (net->fspm_cfg.im_2_data);
ret = 0;
}
else
{
LOG_INFO (
PNET_LOG,
"FSPM(%d): PLC is trying to read I&M2 data, but we have not "
"enabled it.\n",
__LINE__);
}
break;
case PF_IDX_SUB_IM_3:
if ((net->fspm_cfg.im_0_data.im_supported & PNET_SUPPORTED_IM3) > 0)
{
LOG_INFO (
PNET_LOG,
"FSPM(%d): I&M3 Descriptor: \"%s\"\n",
__LINE__,
net->fspm_cfg.im_3_data.im_descriptor);
*pp_read_data = (uint8_t *)&net->fspm_cfg.im_3_data;
*p_read_length = sizeof (net->fspm_cfg.im_3_data);
ret = 0;
}
else
{
LOG_INFO (
PNET_LOG,
"FSPM(%d): PLC is trying to read I&M3 data, but we have not "
"enabled it.\n",
__LINE__);
}
break;
case PF_IDX_SUB_IM_4:
if ((net->fspm_cfg.im_0_data.im_supported & PNET_SUPPORTED_IM4) > 0)
{
*pp_read_data = (uint8_t *)&net->fspm_cfg.im_4_data;
*p_read_length = sizeof (net->fspm_cfg.im_4_data);
ret = 0;
}
else
{
LOG_INFO (
PNET_LOG,
"FSPM(%d): PLC is trying to read I&M4 data, but we have not "
"enabled it.\n",
__LINE__);
}
break;
default:
/* Nothing if data not available here */
LOG_DEBUG (
PNET_LOG,
"FSPM(%d): PLC is requesting to read non-implemented I&M data.\n",
__LINE__);
break;
}
}
else if (index == PF_IDX_DEV_LOGBOOK_DATA)
{
*pp_read_data = (uint8_t *)&net->fspm_log_book;
*p_read_length = sizeof (net->fspm_log_book);
ret = 0;
}
else
{
/* Nothing if data not available here */
}
return ret;
}
int pf_fspm_cm_write_ind (
pnet_t * net,
const pf_ar_t * p_ar,
const pf_iod_write_request_t * p_write_request,
uint16_t write_length,
const uint8_t * p_write_data,
pnet_result_t * p_write_status)
{
int ret = -1;
pf_get_info_t get_info;
uint16_t pos = 0;
const char * p_file_directory = pf_cmina_get_file_directory (net);
if (p_write_request->index <= PF_IDX_USER_MAX)
{
/* Trigger callback for application-specific data records */
if (net->fspm_cfg.write_cb != NULL)
{
ret = net->fspm_cfg.write_cb (
net,
net->fspm_cfg.cb_arg,
p_ar->arep,
p_write_request->api,
p_write_request->slot_number,
p_write_request->subslot_number,
p_write_request->index,
p_write_request->sequence_number,
write_length,
p_write_data,
p_write_status);
}
else
{
p_write_status->pnio_status.error_code = PNET_ERROR_CODE_WRITE;
p_write_status->pnio_status.error_decode = PNET_ERROR_DECODE_PNIORW;
p_write_status->pnio_status.error_code_1 =
PNET_ERROR_CODE_1_APP_NOT_SUPPORTED;
p_write_status->pnio_status.error_code_2 = 0;
}
}
else if (
(PF_IDX_SUB_IM_0 <= p_write_request->index) &&
(p_write_request->index <= PF_IDX_SUB_IM_15))
{
/* Write I&M data - This is handled internally in the stack */
switch (p_write_request->index)
{
case PF_IDX_SUB_IM_0: /* read-only */
LOG_ERROR (
PNET_LOG,
"FSPM(%d): PLC requests to write I&M0 data, but it is read-only.\n",
__LINE__);
p_write_status->pnio_status.error_code = PNET_ERROR_CODE_WRITE;
p_write_status->pnio_status.error_decode = PNET_ERROR_DECODE_PNIORW;
p_write_status->pnio_status.error_code_1 =
PNET_ERROR_CODE_1_ACC_ACCESS_DENIED;
p_write_status->pnio_status.error_code_2 = 0;
break;
case PF_IDX_SUB_IM_1:
if ((net->fspm_cfg.im_0_data.im_supported & PNET_SUPPORTED_IM1) > 0)
{
get_info.result = PF_PARSE_OK;
get_info.p_buf = p_write_data;
get_info.is_big_endian = true;
get_info.len = write_length; /* Bytes in input buffer */
os_mutex_lock (net->fspm_im_mutex);
pf_get_im_1 (&get_info, &pos, &net->fspm_cfg.im_1_data);
os_mutex_unlock (net->fspm_im_mutex);
if ((get_info.result == PF_PARSE_OK) && (pos == write_length))
{
LOG_INFO (
PNET_LOG,
"FSPM(%d): I&M1 data. Function: \"%s\" Location: \"%s\"\n",
__LINE__,
net->fspm_cfg.im_1_data.im_tag_function,
net->fspm_cfg.im_1_data.im_tag_location);
ret = 0;
/* Location data is stored in two different files: the file with
* I&M data and a file used by SNMP containing a larger version
* of the device's location. The larger version has precedence
* over the I&M version, so we need to delete the larger one.
*/
pf_file_clear (p_file_directory, PF_FILENAME_SYSLOCATION);
}
else
{
LOG_ERROR (
PNET_LOG,
"FSPM(%d): Wrong length of incoming I&M1 data\n",
__LINE__);
p_write_status->pnio_status.error_code = PNET_ERROR_CODE_WRITE;
p_write_status->pnio_status.error_decode =
PNET_ERROR_DECODE_PNIORW;
p_write_status->pnio_status.error_code_1 =
PNET_ERROR_CODE_1_ACC_WRITE_LENGTH_ERROR;
p_write_status->pnio_status.error_code_2 = 0;
}
}
else
{
LOG_ERROR (
PNET_LOG,
"FSPM(%d): PLC is trying to write I&M1 data, but we have not "
"enabled it.\n",
__LINE__);
p_write_status->pnio_status.error_code = PNET_ERROR_CODE_WRITE;
p_write_status->pnio_status.error_decode = PNET_ERROR_DECODE_PNIORW;
p_write_status->pnio_status.error_code_1 =
PNET_ERROR_CODE_1_ACC_INVALID_INDEX;
p_write_status->pnio_status.error_code_2 = 0;
}
break;
case PF_IDX_SUB_IM_2:
if ((net->fspm_cfg.im_0_data.im_supported & PNET_SUPPORTED_IM2) > 0)
{
/* Do not count the terminator byte */
if (write_length == (sizeof (net->fspm_cfg.im_2_data) - 1))
{
os_mutex_lock (net->fspm_im_mutex);
memcpy (
&net->fspm_cfg.im_2_data,
p_write_data,
sizeof (net->fspm_cfg.im_2_data) - 1);
net->fspm_cfg.im_2_data
.im_date[sizeof (net->fspm_cfg.im_2_data) - 1] = '\0';
os_mutex_unlock (net->fspm_im_mutex);
LOG_INFO (
PNET_LOG,
"FSPM(%d): I&M2 Date: %s\n",
__LINE__,
net->fspm_cfg.im_2_data.im_date);
ret = 0;
}
else
{
LOG_ERROR (
PNET_LOG,
"FSPM(%d): Wrong length of incoming I&M2 data\n",
__LINE__);
p_write_status->pnio_status.error_code = PNET_ERROR_CODE_WRITE;
p_write_status->pnio_status.error_decode =
PNET_ERROR_DECODE_PNIORW;
p_write_status->pnio_status.error_code_1 =
PNET_ERROR_CODE_1_ACC_WRITE_LENGTH_ERROR;
p_write_status->pnio_status.error_code_2 = 0;
}
}
else
{
LOG_ERROR (
PNET_LOG,
"FSPM(%d): PLC is trying to write I&M2 data, but we have not "
"enabled it.\n",
__LINE__);
p_write_status->pnio_status.error_code = PNET_ERROR_CODE_WRITE;
p_write_status->pnio_status.error_decode = PNET_ERROR_DECODE_PNIORW;
p_write_status->pnio_status.error_code_1 =
PNET_ERROR_CODE_1_ACC_INVALID_INDEX;
p_write_status->pnio_status.error_code_2 = 0;
}
break;
case PF_IDX_SUB_IM_3:
if ((net->fspm_cfg.im_0_data.im_supported & PNET_SUPPORTED_IM3) > 0)
{
/* Do not count the terminator byte */
if (write_length == (sizeof (net->fspm_cfg.im_3_data) - 1))
{
os_mutex_lock (net->fspm_im_mutex);
memcpy (
&net->fspm_cfg.im_3_data,
p_write_data,
sizeof (net->fspm_cfg.im_3_data) - 1);