845 lines
23 KiB
C++
845 lines
23 KiB
C++
// **********************************************************************************
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// Driver definition for French Teleinfo
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// **********************************************************************************
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// Creative Commons Attrib Share-Alike License
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// You are free to use/extend this library but please abide with the CC-BY-SA license:
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// http://creativecommons.org/licenses/by-sa/4.0/
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//
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// For any explanation about teleinfo ou use , see my blog
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// http://hallard.me/category/tinfo
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//
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// Code based on following datasheet
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// http://www.erdf.fr/sites/default/files/ERDF-NOI-CPT_02E.pdf
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//
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// Written by Charles-Henri Hallard (http://hallard.me)
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//
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// History : V1.00 2015-06-14 - First release
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//
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// All text above must be included in any redistribution.
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//
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// Edit : Tab size set to 2 but I converted tab to sapces
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//
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// **********************************************************************************
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#include "LibTeleinfo.h"
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/* ======================================================================
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Class : TInfo
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Purpose : Constructor
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Input : -
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Output : -
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Comments: -
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====================================================================== */
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TInfo::TInfo()
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{
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// Init of our linked list
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_valueslist.name = NULL;
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_valueslist.value = NULL;
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_valueslist.checksum = '\0';
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_valueslist.flags = TINFO_FLAGS_NONE;
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// callback
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_fn_ADPS = NULL;
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_fn_data = NULL;
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_fn_new_frame = NULL;
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_fn_updated_frame = NULL;
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}
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/* ======================================================================
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Function: init
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Purpose : configure ULPNode I/O ports
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Input : -
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Output : -
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Comments: -
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====================================================================== */
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void TInfo::init()
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{
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// free up linked list (in case on recall init())
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listDelete();
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// clear our receive buffer
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clearBuffer();
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// We're in INIT in term of receive data
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_state = TINFO_INIT;
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}
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/* ======================================================================
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Function: attachADPS
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Purpose : attach a callback when we detected a ADPS on any phase
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Input : callback function
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Output : -
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Comments: -
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====================================================================== */
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void TInfo::attachADPS(void (*fn_ADPS)(uint8_t phase))
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{
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// indicate the user callback
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_fn_ADPS = fn_ADPS;
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}
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/* ======================================================================
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Function: attachNewData
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Purpose : attach a callback when we detected a new/changed value
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Input : callback function
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Output : -
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Comments: -
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====================================================================== */
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void TInfo::attachData(void (*fn_data)(ValueList * valueslist, uint8_t state))
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{
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// indicate the user callback
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_fn_data = fn_data;
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}
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/* ======================================================================
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Function: attachNewFrame
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Purpose : attach a callback when we received a full frame
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Input : callback function
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Output : -
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Comments: -
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====================================================================== */
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void TInfo::attachNewFrame(void (*fn_new_frame)(ValueList * valueslist))
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{
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// indicate the user callback
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_fn_new_frame = fn_new_frame;
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}
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/* ======================================================================
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Function: attachChangedFrame
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Purpose : attach a callback when we received a full frame where data
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has changed since the last frame (cool to update data)
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Input : callback function
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Output : -
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Comments: -
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====================================================================== */
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void TInfo::attachUpdatedFrame(void (*fn_updated_frame)(ValueList * valueslist))
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{
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// indicate the user callback
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_fn_updated_frame = fn_updated_frame;
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}
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/* ======================================================================
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Function: clearBuffer
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Purpose : clear and init the buffer
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Input : -
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Output : -
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Comments: -
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====================================================================== */
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void TInfo::clearBuffer()
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{
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// Clear our buffer, set index to 0
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memset(_recv_buff, 0, TINFO_BUFSIZE);
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_recv_idx = 0;
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}
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/* ======================================================================
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Function: addCustomValue
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Purpose : let user add custom values (mainly for testing)
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Input : Pointer to the label name
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pointer to the value
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pointer on flag state of the label
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Output : pointer to the new node (or founded one)
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Comments: checksum is calculated before adding, no need to bother with
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====================================================================== */
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ValueList * TInfo::addCustomValue(char * name, char * value, uint8_t * flags)
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{
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// Little check
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if (name && *name && value && *value) {
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ValueList * me;
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// Same as if we really received this line
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customLabel(name, value, flags);
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me = valueAdd(name, value, calcChecksum(name,value), flags);
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if ( me ) {
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// something to do with new datas
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if (*flags & (TINFO_FLAGS_UPDATED | TINFO_FLAGS_ADDED | TINFO_FLAGS_ALERT) ) {
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// this frame will for sure be updated
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_frame_updated = true;
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}
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return (me);
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}
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}
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// Error or Already Exists
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return ( (ValueList *) NULL);
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}
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/* ======================================================================
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Function: valueAdd
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Purpose : Add element to the Linked List of values
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Input : Pointer to the label name
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pointer to the value
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checksum value
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flag state of the label (modified by function)
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Output : pointer to the new node (or founded one)
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Comments: - state of the label changed by the function
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====================================================================== */
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ValueList * TInfo::valueAdd(char * name, char * value, uint8_t checksum, uint8_t * flags)
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{
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// Get our linked list
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ValueList * me = &_valueslist;
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uint8_t lgname = strlen(name);
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uint8_t lgvalue = strlen(value);
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uint8_t thischeck = calcChecksum(name,value);
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// just some paranoia
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if (thischeck != checksum ) {
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TI_Debug(name);
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TI_Debug('=');
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TI_Debug(value);
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TI_Debug(F(" '"));
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TI_Debug((char) checksum);
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TI_Debug(F("' Not added bad checksum calculated '"));
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TI_Debug((char) thischeck);
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TI_Debugln(F("'"));
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} else {
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// Got one and all seems good ?
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if (me && lgname && lgvalue && checksum) {
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// Create pointer on the new node
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ValueList *newNode = NULL;
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ValueList *parNode = NULL ;
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// Loop thru the node
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while (me->next) {
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// save parent node
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parNode = me ;
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// go to next node
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me = me->next;
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// Check if we already have this LABEL (same name AND same size)
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if (lgname==strlen(me->name) && strcmp(me->name, name )==0) {
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// Already got also this value return US
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if (lgvalue==strlen(me->value) && strcmp(me->value, value) == 0) {
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*flags |= TINFO_FLAGS_EXIST;
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me->flags = *flags;
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return ( me );
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} else {
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// We changed the value
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*flags |= TINFO_FLAGS_UPDATED;
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me->flags = *flags ;
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// Do we have enought space to hold new value ?
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if (strlen(me->value) >= lgvalue ) {
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// Copy it
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strlcpy(me->value, value , lgvalue + 1);
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me->checksum = checksum ;
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// That's all
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return (me);
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} else {
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// indicate our parent node that the next node
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// is not us anymore but the next we have
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parNode->next = me->next;
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// free up this node
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free (me);
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// Return to parent (that will now point on next node and not us)
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// and continue loop just in case we have sevral with same name
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me = parNode;
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}
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}
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}
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}
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// Our linked list structure sizeof(ValueList)
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// + Name + '\0'
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// + Value + '\0'
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size_t size ;
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#if defined (ESP8266) || defined (ESP32)
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lgname = ESP_allocAlign(lgname+1); // Align name buffer
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lgvalue = ESP_allocAlign(lgvalue+1); // Align value buffer
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// Align the whole structure
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size = ESP_allocAlign( sizeof(ValueList) + lgname + lgvalue ) ;
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#else
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size = sizeof(ValueList) + lgname + 1 + lgvalue + 1 ;
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#endif
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// Create new node with size to store strings
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if ((newNode = (ValueList *) malloc(size) ) == NULL)
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return ( (ValueList *) NULL );
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// get our buffer Safe
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memset(newNode, 0, size);
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// Put the new node on the list
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me->next = newNode;
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// First String located after last struct element
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// Second String located after the First + \0
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newNode->checksum = checksum;
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newNode->name = (char *) newNode + sizeof(ValueList);
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newNode->value = (char *) newNode->name + lgname + 1;
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// Copy the string data
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memcpy(newNode->name , name , lgname );
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memcpy(newNode->value, value , lgvalue );
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// So we just created this node but was it new
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// or was matter of text size ?
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if ( (*flags & TINFO_FLAGS_UPDATED) == 0) {
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// so we added this node !
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*flags |= TINFO_FLAGS_ADDED ;
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newNode->flags = *flags;
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}
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TI_Debug(F("Added '"));
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TI_Debug(name);
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TI_Debug('=');
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TI_Debug(value);
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TI_Debug(F("' '"));
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TI_Debug((char) checksum);
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TI_Debugln(F("'"));
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// return pointer on the new node
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return (newNode);
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}
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} // Checksum OK
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// Error or Already Exists
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return ( (ValueList *) NULL);
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}
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/* ======================================================================
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Function: valueRemoveFlagged
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Purpose : remove element to the Linked List of values where
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Input : paramter flags
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Output : true if found and removed
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Comments: -
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====================================================================== */
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boolean TInfo::valueRemoveFlagged(uint8_t flags)
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{
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boolean deleted = false;
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// Get our linked list
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ValueList * me = &_valueslist;
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ValueList *parNode = NULL ;
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// Got one and all seems good ?
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if (me) {
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// Loop thru the node
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while (me->next) {
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// save parent node
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parNode = me ;
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// go to next node
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me = me->next;
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// found the flags?
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if (me->flags & flags ) {
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// indicate our parent node that the next node
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// is not us anymore but the next we have
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parNode->next = me->next;
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// free up this node
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free (me);
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// Return to parent (that will now point on next node and not us)
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// and continue loop just in case we have sevral with same name
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me = parNode;
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deleted = true;
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}
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}
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}
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return (deleted);
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}
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/* ======================================================================
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Function: valueRemove
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Purpose : remove element to the Linked List of values
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Input : Pointer to the label name
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Output : true if found and removed
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Comments: -
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====================================================================== */
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boolean TInfo::valueRemove(char * name)
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{
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boolean deleted = false;
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// Get our linked list
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ValueList * me = &_valueslist;
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ValueList *parNode = NULL ;
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uint8_t lgname = strlen(name);
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// Got one and all seems good ?
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if (me && lgname) {
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// Loop thru the node
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while (me->next) {
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// save parent node
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parNode = me ;
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// go to next node
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me = me->next;
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// found ?
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if (strncmp(me->name, name, lgname) == 0) {
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// indicate our parent node that the next node
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// is not us anymore but the next we have
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parNode->next = me->next;
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// free up this node
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free (me);
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// Return to parent (that will now point on next node and not us)
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// and continue loop just in case we have sevral with same name
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me = parNode;
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deleted = true;
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}
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}
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}
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return (deleted);
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}
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/* ======================================================================
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Function: valueGet
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Purpose : get value of one element
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Input : Pointer to the label name
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pointer to the value where we fill data
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Output : pointer to the value where we filled data NULL is not found
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====================================================================== */
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char * TInfo::valueGet(char * name, char * value)
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{
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// Get our linked list
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ValueList * me = &_valueslist;
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uint8_t lgname = strlen(name);
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// Got one and all seems good ?
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if (me && lgname) {
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// Loop thru the node
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while (me->next) {
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// go to next node
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me = me->next;
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// Check if we match this LABEL
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if (lgname==strlen(me->name) && strcmp(me->name, name)==0) {
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// this one has a value ?
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if (me->value) {
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// copy to dest buffer
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uint8_t lgvalue = strlen(me->value);
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strlcpy(value, me->value , lgvalue + 1 );
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return ( value );
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}
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}
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}
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}
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// not found
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return ( NULL);
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}
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/* ======================================================================
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Function: getTopList
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Purpose : return a pointer on the top of the linked list
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Input : -
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Output : Pointer
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====================================================================== */
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ValueList * TInfo::getList(void)
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{
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// Get our linked list
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return &_valueslist;
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}
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/* ======================================================================
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Function: valuesDump
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Purpose : dump linked list content
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Input : -
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Output : total number of values
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====================================================================== */
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uint8_t TInfo::valuesDump(void)
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{
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// Get our linked list
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ValueList * me = &_valueslist;
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uint8_t index = 0;
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// Got one ?
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if (me) {
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// Loop thru the node
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while (me->next) {
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// go to next node
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me = me->next;
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index++;
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TI_Debug(index) ;
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TI_Debug(F(") ")) ;
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if (me->name) {
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TI_Debug(me->name) ;
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} else {
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TI_Debug(F("NULL")) ;
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}
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TI_Debug(F("=")) ;
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if (me->value) {
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TI_Debug(me->value) ;
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} else {
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TI_Debug(F("NULL")) ;
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}
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TI_Debug(F(" '")) ;
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TI_Debug(me->checksum) ;
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TI_Debug(F("' "));
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// Flags management
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if ( me->flags) {
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TI_Debug(F("Flags:0x"));
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TI_Debugf("%02X =>", me->flags);
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if ( me->flags & TINFO_FLAGS_EXIST) {
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TI_Debug(F("Exist ")) ;
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}
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if ( me->flags & TINFO_FLAGS_UPDATED) {
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TI_Debug(F("Updated ")) ;
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}
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if ( me->flags & TINFO_FLAGS_ADDED) {
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TI_Debug(F("New ")) ;
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}
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}
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TI_Debugln() ;
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}
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}
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return index;
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}
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/* ======================================================================
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Function: labelCount
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Purpose : Count the number of label in the list
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Input : -
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Output : element numbers
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====================================================================== */
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int TInfo::labelCount()
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{
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int count = 0;
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// Get our linked list
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ValueList * me = &_valueslist;
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if (me)
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while ((me = me->next))
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count++;
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return (count);
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}
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/* ======================================================================
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Function: listDelete
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Purpose : Delete the ENTIRE Linked List, not a value
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Input : -
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Output : True if Ok False Otherwise
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====================================================================== */
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boolean TInfo::listDelete()
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{
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// Get our linked list
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ValueList * me = &_valueslist;
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// Got a pointer
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if (me) {
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ValueList *current;
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// For each linked list
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while ((current = me->next)) {
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// Get the next
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me->next = current->next;
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// Free the current
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free(current);
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}
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// Free the top element
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me->next = NULL ;
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// Ok
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return (true);
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}
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return (false);
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}
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/* ======================================================================
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Function: checksum
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Purpose : calculate the checksum based on data/value fields
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Input : label name
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label value
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Output : checksum
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Comments: return '\0' in case of error
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====================================================================== */
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unsigned char TInfo::calcChecksum(char *etiquette, char *valeur)
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{
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uint8_t sum = ' '; // Somme des codes ASCII du message + un espace
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// avoid dead loop, always check all is fine
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if (etiquette && valeur) {
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// this will not hurt and may save our life ;-)
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if (strlen(etiquette) && strlen(valeur)) {
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while (*etiquette)
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sum += *etiquette++ ;
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while(*valeur)
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sum += *valeur++ ;
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return ( (sum & 63) + ' ' ) ;
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}
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}
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return 0;
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}
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/* ======================================================================
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Function: customLabel
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Purpose : do action when received a correct label / value + checksum line
|
|
Input : plabel : pointer to string containing the label
|
|
pvalue : pointer to string containing the associated value
|
|
pflags pointer in flags value if we need to cchange it
|
|
Output :
|
|
Comments:
|
|
====================================================================== */
|
|
void TInfo::customLabel( char * plabel, char * pvalue, uint8_t * pflags)
|
|
{
|
|
int8_t phase = -1;
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|
|
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// Monophasé
|
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if (strcmp(plabel, "ADPS")==0 )
|
|
phase=0;
|
|
|
|
// For testing
|
|
//if (strcmp(plabel, "IINST")==0 ) {
|
|
// *pflags |= TINFO_FLAGS_ALERT;
|
|
//}
|
|
|
|
// triphasé c'est ADIR + Num Phase
|
|
if (plabel[0]=='A' && plabel[1]=='D' && plabel[2]=='I' && plabel[3]=='R' && plabel[4]>='1' && plabel[4]<='3') {
|
|
phase = plabel[4]-'0';
|
|
}
|
|
|
|
// Nous avons un ADPS ?
|
|
if (phase>=0 && phase <=3) {
|
|
// ne doit pas être sauvé définitivement
|
|
*pflags |= TINFO_FLAGS_ALERT;
|
|
|
|
// Traitement de l'ADPS demandé par le sketch
|
|
if (_fn_ADPS)
|
|
_fn_ADPS(phase);
|
|
}
|
|
}
|
|
|
|
/* ======================================================================
|
|
Function: checkLine
|
|
Purpose : check one line of teleinfo received
|
|
Input : -
|
|
Output : pointer to the data object in the linked list if OK else NULL
|
|
Comments:
|
|
====================================================================== */
|
|
ValueList * TInfo::checkLine(char * pline)
|
|
{
|
|
char * p;
|
|
char * ptok;
|
|
char * pend;
|
|
char * pvalue;
|
|
char checksum;
|
|
char buff[TINFO_BUFSIZE];
|
|
uint8_t flags = TINFO_FLAGS_NONE;
|
|
//boolean err = true ; // Assume error
|
|
int len ; // Group len
|
|
|
|
if (pline==NULL)
|
|
return NULL;
|
|
|
|
len = strlen(pline);
|
|
|
|
// a line should be at least 7 Char
|
|
// 2 Label + Space + 1 etiquette + space + checksum + \r
|
|
if ( len < 7 )
|
|
return NULL;
|
|
|
|
// Get our own working copy
|
|
strlcpy( buff, pline, len+1);
|
|
|
|
p = &buff[0];
|
|
ptok = p; // for sure we start with token name
|
|
pend = p + len; // max size
|
|
|
|
// Init values
|
|
pvalue = NULL;
|
|
checksum = 0;
|
|
|
|
//TI_Debug("Got [");
|
|
//TI_Debug(len);
|
|
//TI_Debug("] ");
|
|
|
|
|
|
// Loop in buffer
|
|
while ( p < pend ) {
|
|
// start of token value
|
|
if ( *p==' ' && ptok) {
|
|
// Isolate token name
|
|
*p++ = '\0';
|
|
|
|
// 1st space, it's the label value
|
|
if (!pvalue)
|
|
pvalue = p;
|
|
else
|
|
// 2nd space, so it's the checksum
|
|
checksum = *p;
|
|
}
|
|
// new line ? ok we got all we need ?
|
|
|
|
if ( *p=='\r' ) {
|
|
*p='\0';
|
|
|
|
// Good format ?
|
|
if ( ptok && pvalue && checksum ) {
|
|
// Always check to avoid bad behavior
|
|
if(strlen(ptok) && strlen(pvalue)) {
|
|
// Is checksum is OK
|
|
if ( calcChecksum(ptok,pvalue) == checksum) {
|
|
// In case we need to do things on specific labels
|
|
customLabel(ptok, pvalue, &flags);
|
|
|
|
// Add value to linked lists of values
|
|
ValueList * me = valueAdd(ptok, pvalue, checksum, &flags);
|
|
|
|
// value correctly added/changed
|
|
if ( me ) {
|
|
// something to do with new datas
|
|
if (flags & (TINFO_FLAGS_UPDATED | TINFO_FLAGS_ADDED | TINFO_FLAGS_ALERT) ) {
|
|
// this frame will for sure be updated
|
|
_frame_updated = true;
|
|
|
|
// Do we need to advertise user callback
|
|
if (_fn_data)
|
|
_fn_data(me, flags);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
// Next char
|
|
p++;
|
|
|
|
} // While
|
|
|
|
return NULL;
|
|
}
|
|
|
|
/* ======================================================================
|
|
Function: process
|
|
Purpose : teleinfo serial char received processing, should be called
|
|
my main loop, this will take care of managing all the other
|
|
Input : pointer to the serial used
|
|
Output : teleinfo global state
|
|
====================================================================== */
|
|
_State_e TInfo::process(char c)
|
|
{
|
|
// be sure 7 bits only
|
|
c &= 0x7F;
|
|
|
|
// What we received ?
|
|
switch (c) {
|
|
// start of transmission ???
|
|
case TINFO_STX:
|
|
// Clear buffer, begin to store in it
|
|
clearBuffer();
|
|
|
|
// by default frame is not "updated"
|
|
// if data change we'll set this flag
|
|
_frame_updated = false;
|
|
|
|
// We were waiting fo this one ?
|
|
if (_state == TINFO_INIT || _state == TINFO_WAIT_STX ) {
|
|
TI_Debugln(F("TINFO_WAIT_ETX"));
|
|
_state = TINFO_WAIT_ETX;
|
|
}
|
|
break;
|
|
|
|
// End of transmission ?
|
|
case TINFO_ETX:
|
|
|
|
// Normal working mode ?
|
|
if (_state == TINFO_READY) {
|
|
// Get on top of our linked list
|
|
ValueList * me = &_valueslist;
|
|
|
|
// Call user callback if any
|
|
if (_frame_updated && _fn_updated_frame)
|
|
_fn_updated_frame(me);
|
|
else if (_fn_new_frame)
|
|
_fn_new_frame(me);
|
|
|
|
#ifdef TI_Debug
|
|
valuesDump();
|
|
#endif
|
|
|
|
// It's important there since all user job is done
|
|
// to remove the alert flags from table (ADPS for example)
|
|
// it will be put back again next time if any
|
|
valueRemoveFlagged(TINFO_FLAGS_ALERT);
|
|
}
|
|
|
|
// We were waiting fo this one ?
|
|
if (_state == TINFO_WAIT_ETX) {
|
|
TI_Debugln(F("TINFO_READY"));
|
|
_state = TINFO_READY;
|
|
}
|
|
else if ( _state == TINFO_INIT) {
|
|
TI_Debugln(F("TINFO_WAIT_STX"));
|
|
_state = TINFO_WAIT_STX ;
|
|
}
|
|
|
|
break;
|
|
|
|
// Start of group \n ?
|
|
case TINFO_SGR:
|
|
// Do nothing we'll work at end of group
|
|
// we can safely ignore this char
|
|
break;
|
|
|
|
// End of group \r ?
|
|
case TINFO_EGR:
|
|
// Are we ready to process ?
|
|
if (_state == TINFO_READY) {
|
|
// Store data recceived (we'll need it)
|
|
if ( _recv_idx < TINFO_BUFSIZE)
|
|
_recv_buff[_recv_idx++]=c;
|
|
|
|
// clear the end of buffer (paranoia inside)
|
|
memset(&_recv_buff[_recv_idx], 0, TINFO_BUFSIZE-_recv_idx);
|
|
|
|
// check the group we've just received
|
|
checkLine(_recv_buff) ;
|
|
|
|
// Whatever error or not, we done
|
|
clearBuffer();
|
|
}
|
|
break;
|
|
|
|
// other char ?
|
|
default:
|
|
{
|
|
// Only in a ready state of course
|
|
if (_state == TINFO_READY) {
|
|
// If buffer is not full, Store data
|
|
if ( _recv_idx < TINFO_BUFSIZE)
|
|
_recv_buff[_recv_idx++]=c;
|
|
else
|
|
clearBuffer();
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
|
|
return _state;
|
|
}
|
|
|
|
|