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PICO_PIO_F007T.c
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PICO_PIO_F007T.c
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#include <stdio.h>
#include "pico/stdlib.h"
#include "hardware/pio.h"
#include "hardware/timer.h"
#include "hardware/irq.h"
#include "hardware/sync.h"
#include "PICO_PIO_F007T_WH1080.pio.h"
#include "queues_for_msgs_and_bits.h"
#include "PICO_PIO_F007T.h"
#include "output_format.h"
#include "uart_IO.h"
#include "string.h"
#define MAX_F007T_CHANNELS 8
#define MAX_F007T_KNWNCHANIDX 4
typedef struct F007TchansStruct {
uint32_t chanPrvTim;
uint chanVrfyCnt;
uint chanUnVrfyCnt;
uint chanSmplVrfyCnt;
uint chanSmplUnVrfyCnt;
} F007Tchan_t;
volatile F007Tchan_t F007Tchans[MAX_F007T_CHANNELS];
#define F007T_MAXMSGBYTS 6
typedef struct F007TmsgRecStuct {
uint32_t mRecMsgVrfdDltaTim;
uint16_t mRecChanID;
uint8_t mRecChanIdx;
bool mRecVerified;
uint32_t mRecSmplTimPrv;
uint32_t mRecSmplTimDlta;
uint mRecSmplVrfyCnt;
uint mRecSmplUnVrfyCnt;
uint mRecSmplHdrHitsCnt;
uint mRecSmplChkErrsCnt;
uint32_t mRecBitSSmplTimDlta;
uint mRecBitsSmplTotCnt;
uint mRecBitsSmplOnesCnt;
uint8_t mRecBuff[F007T_MAXMSGBYTS];
} F007TmsgRec_t;
uint8_t msgPrvF007T[F007T_MAXMSGBYTS];
#define MAX_F007T_BUFMSGS 16
F007TmsgRec_t msgRecsF007T[MAX_F007T_BUFMSGS];
#define MAX_F007T_BUFWRDS 32
volatile uint32_t F007TrxWrdsBuf[MAX_F007T_BUFWRDS];
volatile bitQue_t F007TbitQ = {
.pio_id = pio0,
.sm_id = 2,
.pin_rx = 16,
.rxWrdTail = 0,
.rxWrdHead = 0,
.rxWrdCntr = 0,
.rxWrdHiWater = 0,
.rxWrdOvrRun = 0,
.rxWrdUndRun = 0,
.rxBitUndRun = 0,
.rxBitCnt = 0,
.rxBitsBuf = 0,
.fifoHiWater = 0,
.totBitsCntr = 0,
.oneBitsCntr = 0,
.bQueSmplTotCnt = 0,
.bQueSmplOnesCnt = 0,
.bQueSmplTimDlta = 0,
.bQueSmplTimPrv = 0,
.rxWrdsMax = MAX_F007T_BUFWRDS,
.rxWrdBuff = (void *)&F007TrxWrdsBuf[0]
};
volatile msgQue_t F007TmsgQ = {
.msgTail = 0,
.msgHead = 0,
.msgCntr = 0,
.msgOvrRun = 0,
.msgUndRun = 0,
.msgsHiWater = 0,
.msgPrvChk = 0,
.msgPrvTime = 0,
.msgHadPrv = false,
.msgPrevID = 0,
.msgCrntID = 0,
.msgVrfyCnt = 0,
.msgUnVrfyCnt= 0,
.mQueChkErr = 0,
.mQueHdrHits = 0,
.mQueSmplTimPrv = 0,
.mQueSmplTimDlta = 0,
.mQueSmplVrfyCnt = 0,
.mQueSmplUnVrfyCnt = 0,
.mQueSmplHdrHitsCnt = 0,
.mQueSmplChkErrsCnt = 0,
.msgBitQueP = &F007TbitQ,
.msgMaxRecs = MAX_F007T_BUFMSGS,
.mQueSubChan = (void *)&F007Tchans[0],
.msgRecBuff = (void *)&msgRecsF007T[0],
.msgPrvMsg = &msgPrvF007T[0]
};
/*-----------------------------------------------------------------*/
bool parseF007Tbits_callback(struct repeating_timer *t) {
const uint8_t lsfrMask[(F007T_MAXMSGBYTS-1)*8] = {
0x3e, 0x1f, 0x97, 0xd3, 0xf1, 0xe0, 0x70, 0x38,
0x1c, 0x0e, 0x07, 0x9b, 0xd5, 0xf2, 0x79, 0xa4,
0x52, 0x29, 0x8c, 0x46, 0x23, 0x89, 0xdc, 0x6e,
0x37, 0x83, 0xd9, 0xf4, 0x7a, 0x3d, 0x86, 0x43,
0xb9, 0xc4, 0x62, 0x31, 0x80, 0x40, 0x20, 0x10
};
#define F007T_HDR_MASK ((uint32_t)0x000FFFFF)
#define F007T_HDR_46 ((uint32_t)0x00000046)
#define F007T_HDR_MATCH46 (((uint32_t)0x000FFD00) | F007T_HDR_46)
#define F007T_HDR_MATCH46X (((uint32_t)0x00000100) | F007T_HDR_46)
static uint32_t header = 0;
static uint waitMsgHdr = true;
static uint bytCnt;
static uint bitCnt;
static uint8_t chkSum;
static uint8_t tmpByt;
static volatile uint8_t * msgP;
static volatile F007TmsgRec_t * msgRecP;
volatile F007TmsgRec_t * msgRecs;
volatile msgQue_t * msgQ = (volatile msgQue_t *)t->user_data;
volatile bitQue_t * bitQ = msgQ->msgBitQueP;
while (tryBitBuf( bitQ )) {
bool nxtBitIsSet = getNxtBit_isSet( bitQ );
if (waitMsgHdr) {
header <<= 1;
if (nxtBitIsSet) header |= 1;
if ((uint32_t)(header & F007T_HDR_MASK) == F007T_HDR_MATCH46) {
msgQ->mQueHdrHits++;
msgRecs = (volatile F007TmsgRec_t *)msgQ->msgRecBuff;
msgRecP = &msgRecs[msgQ->msgHead];
msgP = &msgRecP->mRecBuff[0];
msgP[0] = (uint8_t)(header & 0x000000FF);
tmpByt = msgP[0];
chkSum = 100;
for (uint i = 0; i < 8; i++) {
if (tmpByt & 0x80) chkSum ^= lsfrMask[i];
tmpByt <<= 1;
}
bytCnt = 1;
bitCnt = 0;
header = 0;
waitMsgHdr = false;
}
} else {
if (bitCnt == 0) tmpByt = 0;
tmpByt <<= 1;
if (nxtBitIsSet) {
tmpByt |= 1;
if (bytCnt < (F007T_MAXMSGBYTS-1)) {
chkSum ^= lsfrMask[bytCnt*8+bitCnt];
}
}
bitCnt++;
if (bitCnt >= 8) {
msgP[bytCnt] = tmpByt;
bitCnt = 0;
bytCnt++;
if (bytCnt >= F007T_MAXMSGBYTS) {
F007Tchan_t * chanP = (F007Tchan_t *)msgQ->mQueSubChan;
uint32_t tNow = to_ms_since_boot( get_absolute_time() );
uint32_t tDiff = tNow - msgQ->mQueSmplTimPrv;
bool doPutNxtMsg = false;
uint8_t chanIdx;
if (msgP[F007T_MAXMSGBYTS-1] == chkSum) {
bool prevSame = false;
chanIdx = ((msgP[2] >> 4) & 7);
msgQ->msgCrntID = (msgP[0] << 8) | chanIdx;
msgRecP->mRecChanIdx = chanIdx;
msgRecP->mRecChanID = msgQ->msgCrntID;
if (msgQ->msgHadPrv && (msgQ->msgCrntID == msgQ->msgPrevID) &&
(msgQ->msgPrvChk == chkSum) ) {
prevSame = true;
if (memcmp(&msgQ->msgPrvMsg[0],(const void *)&msgP[0],F007T_MAXMSGBYTS) != 0) {
//prevSame = false;
printf("??? prev chksum same but message content different ");
for (uint j = 0; j < F007T_MAXMSGBYTS; j++) printf("%02X",msgQ->msgPrvMsg[j]);
printf("\n");
}
}
if (prevSame) {
msgRecP->mRecVerified = true;
msgRecP->mRecMsgVrfdDltaTim = tNow - F007Tchans[chanIdx].chanPrvTim;
F007Tchans[chanIdx].chanPrvTim = tNow;
msgQ->msgVrfyCnt++;
chanP[chanIdx].chanVrfyCnt++;
msgQ->msgHadPrv = false;
doPutNxtMsg = true;
} else {
msgRecP->mRecVerified = false;
msgQ->msgUnVrfyCnt++;
chanP[chanIdx].chanUnVrfyCnt++;
msgQ->msgHadPrv = true;
memcpy(&msgQ->msgPrvMsg[0],(const void *)&msgP[0],F007T_MAXMSGBYTS);
}
msgQ->msgPrvChk = chkSum;
msgQ->msgPrevID = msgQ->msgCrntID;
} else {
msgQ->mQueChkErr++;
msgQ->msgHadPrv = false;
}
if (tDiff > MSGQUE_SMPL_PERIOD_MINS*60*1000) {
msgQ->mQueSmplTimPrv = tNow;
msgQ->mQueSmplTimDlta = tDiff;
msgQ->mQueSmplHdrHitsCnt = msgQ->mQueHdrHits;
msgQ->mQueSmplChkErrsCnt = msgQ->mQueChkErr;
msgQ->mQueHdrHits = 0;
msgQ->mQueChkErr = 0;
for (uint chIDX = 0; chIDX < MAX_F007T_CHANNELS; chIDX++) {
chanP[chIDX].chanSmplVrfyCnt = chanP[chIDX].chanVrfyCnt;
chanP[chIDX].chanSmplUnVrfyCnt = chanP[chIDX].chanUnVrfyCnt;
chanP[chIDX].chanVrfyCnt = 0;
chanP[chIDX].chanUnVrfyCnt = 0;
}
msgQ->mQueSmplVrfyCnt = msgQ->msgVrfyCnt;
msgQ->mQueSmplUnVrfyCnt = msgQ->msgUnVrfyCnt;
msgQ->msgVrfyCnt = 0;
msgQ->msgUnVrfyCnt = 0;
}
if (doPutNxtMsg) {
msgRecP->mRecBitSSmplTimDlta = bitQ->bQueSmplTimDlta;
msgRecP->mRecBitsSmplTotCnt = bitQ->bQueSmplTotCnt;
msgRecP->mRecBitsSmplOnesCnt = bitQ->bQueSmplOnesCnt;
msgRecP->mRecSmplTimPrv = msgQ->mQueSmplTimPrv;
msgRecP->mRecSmplTimDlta = msgQ->mQueSmplTimDlta;
msgRecP->mRecSmplHdrHitsCnt = msgQ->mQueSmplHdrHitsCnt;
msgRecP->mRecSmplChkErrsCnt = msgQ->mQueSmplChkErrsCnt;
msgRecP->mRecSmplVrfyCnt = chanP[chanIdx].chanSmplVrfyCnt;
msgRecP->mRecSmplUnVrfyCnt = chanP[chanIdx].chanSmplUnVrfyCnt;
putNxtMsg(msgQ);
}
waitMsgHdr = true;
}
}
}
}
return true;
}
/*-----------------------------------------------------------------*/
#define F007T_HEXCODES_LEN (FRMT_CHAN_ID_LEN + 1 + F007T_MAXMSGBYTS*2)
#define F007T_MAXMSGFRMT 15
void decode_F007T_msg( volatile msgQue_t * msgQ, outBuff_t outBuff, outArgs_t * outArgsP ) {
volatile F007TmsgRec_t * msgRecs = (volatile F007TmsgRec_t *)msgQ->msgRecBuff;
volatile F007TmsgRec_t * msgRecP = &msgRecs[msgQ->msgTail];
volatile uint8_t * msgP = &msgRecP->mRecBuff[0];
volatile bitQue_t * bitQ = msgQ->msgBitQueP;
uint msgId = msgRecP->mRecChanID;
uint chanIdx = msgRecP->mRecChanIdx;
bool battLow = (msgP[2] & 0x80) != 0;
uint tmpRaw = ((msgP[2] & 0xF) << 8) | msgP[3];
uint tmpX2 = tmpRaw * 2u * 5u / 9u;
int tmpCX10 = tmpX2 & 1 ? (tmpX2+1)/2-400 : tmpX2/2-400;
float tmpDegC = (float)tmpCX10 * 0.1F;
int msgLen;
if (tmpDegC < -99.0F) tmpDegC = -99.0F;
if (tmpDegC > 999.0F) tmpDegC = 999.0F;
msgLen = snprintf( &outBuff[0], FRMT_CHAN_ID_LEN+2, "%0*X-", FRMT_CHAN_ID_LEN, msgId);
for (uint i = 0; i < F007T_MAXMSGBYTS; i++) {
msgLen += snprintf( &outBuff[(FRMT_CHAN_ID_LEN+1)+(i*2)], 2+1, "%02X", msgP[i] );
}
msgLen += snprintf( &outBuff[F007T_HEXCODES_LEN], FRMT_TOTAL_LEN - F007T_HEXCODES_LEN + 1,
"%*.*s-i%c%1d,b:%1d,t:%05.1f%*.*s",
FRMT_HEXCODS_LEN - F007T_MAXMSGBYTS*2, FRMT_HEXCODS_LEN - F007T_MAXMSGBYTS*2, dash_padding,
chanIdx > MAX_F007T_KNWNCHANIDX ? '?' : ':',chanIdx+1,battLow,tmpDegC,
FRMT_DECODES_LEN - F007T_MAXMSGFRMT, FRMT_DECODES_LEN - F007T_MAXMSGFRMT, dash_padding);
msgLen += 3;
FRMT_PRINT_PATHETIC_EXCUSE(msgId,msgLen);
outBuff[msgLen-3] = 13;
outBuff[msgLen-2] = 10;
outBuff[msgLen-1] = 0;
outArgsP->oArgMsgLen = msgLen;
outArgsP->oArgChanID = chanIdx + 1;
outArgsP->oArgMsgVrfdDltaTim = msgRecP->mRecMsgVrfdDltaTim;
outArgsP->oArgSmplTimPrv = msgRecP->mRecSmplTimPrv;
outArgsP->oArgSmplTimDlta = msgRecP->mRecSmplTimDlta;
outArgsP->oArgSmplVrfyCnt = msgRecP->mRecSmplVrfyCnt;
outArgsP->oArgSmplUnVrfyCnt = msgRecP->mRecSmplUnVrfyCnt;
outArgsP->oArgSmplHdrHitsCnt = msgRecP->mRecSmplHdrHitsCnt;
outArgsP->oArgSmplChkErrsCnt = msgRecP->mRecSmplChkErrsCnt;
outArgsP->oArgBitSmplTimDlta = msgRecP->mRecBitSSmplTimDlta;
outArgsP->oArgBitSmplTotCnt = msgRecP->mRecBitsSmplTotCnt;
outArgsP->oArgBitSmplOnesCnt = msgRecP->mRecBitsSmplOnesCnt;
outArgsP->oArgMsgHiWtr = msgQ->msgsHiWater;
outArgsP->oArgWrdHiWtr = bitQ->rxWrdHiWater;
outArgsP->oArgFiFoHiWtr = bitQ->fifoHiWater;
}
/*-----------------------------------------------------------------*/
outBuff_t F007Tmsgcods;
bool F007T_tryMsgBuf( void ) {
return tryMsgBuf( &F007TmsgQ );
}
void F007T_doMsgBuf( void ) {
outArgs_t outArgs;
decode_F007T_msg( &F007TmsgQ, F007Tmsgcods, &outArgs );
freeLastMsg( &F007TmsgQ );
uartIO_buffSend(&F007Tmsgcods[0],outArgs.oArgMsgLen);
print_msg( F007Tmsgcods, &outArgs );
}
/*-----------------------------------------------------------------*/
void F007T_init( uint32_t parseRptTime, uint32_t fifoRptTime ) {
volatile msgQue_t * msgQ = &F007TmsgQ;
volatile bitQue_t * bitQ = msgQ->msgBitQueP;
//gpio_init( bitQ->pin_rx );
//gpio_set_dir( bitQ->pin_rx, GPIO_IN );
//gpio_pull_down( bitQ->pin_rx );
pio_gpio_init( bitQ->pio_id, bitQ->pin_rx );
uint offset_prog = pio_add_program( bitQ->pio_id, &manchWithDelay_program );
pio_sm_config cfg_prog = manchWithDelay_program_get_default_config( offset_prog );
sm_config_set_in_pins( &cfg_prog, bitQ->pin_rx );
sm_config_set_jmp_pin( &cfg_prog, bitQ->pin_rx );
sm_config_set_in_shift( &cfg_prog, false, true, 32 );
sm_config_set_fifo_join( &cfg_prog, PIO_FIFO_JOIN_RX );
sm_config_set_clkdiv( &cfg_prog, 2543.0F );
pio_sm_init( bitQ->pio_id, bitQ->sm_id, offset_prog, &cfg_prog );
pio_sm_clear_fifos( bitQ->pio_id, bitQ->sm_id);
pio_sm_exec( bitQ->pio_id, bitQ->sm_id, pio_encode_set(pio_x, 1));
pio_sm_set_enabled( bitQ->pio_id, bitQ->sm_id, true);
msgQ->msgQLock = spin_lock_instance( next_striped_spin_lock_num() );
add_repeating_timer_ms( parseRptTime, parseF007Tbits_callback, (void *) &F007TmsgQ,
(repeating_timer_t *)&msgQ->rptTmr );
add_repeating_timer_ms( fifoRptTime, poll_FIFO_callback, (void *) &F007TbitQ,
(repeating_timer_t *) &bitQ->rptTmr );
}
void F007T_uninit( void ) {
volatile msgQue_t * msgQ = &F007TmsgQ;
volatile bitQue_t * bitQ = msgQ->msgBitQueP;
bool cancelled = cancel_repeating_timer( (repeating_timer_t *)&bitQ->rptTmr );
cancelled = cancel_repeating_timer( (repeating_timer_t *)&msgQ->rptTmr );
pio_sm_set_enabled( bitQ->pio_id, bitQ->sm_id, false );
}