playground-stm32/f407ve_packetusart_c
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git subrepo clone git@git.pcmuhely.hu:compi/f4ll_c.git components/f4ll_c

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subrepo:
  subdir:   "components/f4ll_c"
  merged:   "7570c78"
upstream:
  origin:   "git@git.pcmuhely.hu:compi/f4ll_c.git"
  branch:   "master"
  commit:   "7570c78"
git-subrepo:
  version:  "0.4.0"
  origin:   "https://github.com/ingydotnet/git-subrepo"
  commit:   "5d6aba9"
This commit is contained in:
Attila Body 2019-11-20 21:24:52 +01:00
parent 9f225a2c9d
commit 5e44fa81ac
15 changed files with 1079 additions and 0 deletions
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142
components/f4ll_c/packetusart.h Normal file
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/*
* usart_handler.h
*
* Created on: Sep 16, 2019
* Author: abody
*/
#ifndef USART_HANDLER_H_
#define USART_HANDLER_H_
#include <f4ll_c/crcscheduler.h>
#include <inttypes.h>
#include "f4ll_c/dmahelper.h"
struct usart_buffer_t;
struct usartstatus_t;
typedef void (*pku_packetreceivedcallback_t)(void *userParam, struct usart_buffer_t *buffer);
void Pku_Init(
struct usartstatus_t *st, USART_TypeDef *usart, DMA_TypeDef *dma,
uint32_t stream_rx, uint32_t stream_tx,
struct crcstatus_t *crcStatus,
pku_packetreceivedcallback_t packetReceivedCallback, void * packetReceivedCallbackParam);
uint8_t* Pku_GetTxBuffer(struct usartstatus_t *status);
uint8_t Pku_Post(struct usartstatus_t *status, uint8_t const *payload, uint16_t length, struct crcstatus_t *crcStatus, uint8_t waitForCrcQueue);
void Pku_SetupReceive(struct usartstatus_t *status);
void Pku_SetupTransmit(USART_TypeDef *usart, DMA_TypeDef* dma, uint32_t stream, void *buffer, uint32_t length);
void Pku_ConsumePacket(struct usartstatus_t *status, uint8_t packetIndex);
void Pku_HandleRxDmaIrq(struct usartstatus_t *status);
void Pku_HandleTxDmaIrq(struct usartstatus_t *status);
void Pku_HandleUsartIrq(struct usartstatus_t *status);
/******************************************************************************************
*
*
*
*/
struct usart_stats {
uint32_t overrun;
uint32_t hdrError;
uint32_t lastErrHdr;
uint32_t payloadErrror;
uint32_t pep1, pep2;
uint32_t dmaError;
uint32_t rcvd;
uint32_t premature_hdr;
uint32_t premature_payload;
uint32_t sent;
uint32_t skiped;
};
struct usartpacketheader_t {
uint8_t startByte;
uint8_t serial;
uint8_t payloadLength;
uint8_t hash;
};
struct usartpacket_t {
struct usartpacketheader_t header;
//!!! should start on word offset !!!
uint8_t payload[256+sizeof(uint32_t)]; // extra room for crc32
} __attribute__((aligned));
struct usart_buffer_t {
struct usartpacket_t packet;
//transfer area ends here
volatile uint8_t busy;
volatile uint8_t error;
uint16_t requestedLength;
uint32_t errorInfo;
struct usartstatus_t *usartStatus;
};
struct usartstatus_t {
USART_TypeDef *usart;
DMAINFO rxDmaInfo;
DMAINFO txDmaInfo;
struct crcstatus_t *crcStatus;
struct crcslotlistitem_t crcSlot;
struct crcslottask_t crcTasks[2];
uint8_t rxSerial;
uint8_t txSerial;
struct usart_stats stats;
uint8_t activeRxBuf;
pku_packetreceivedcallback_t packetReceivedCallback;
void *packetReceivedCallbacParam;
struct usart_buffer_t txBuffer;
struct usart_buffer_t rxBuffers[2];
};
#ifndef USART_STATS_DISABLED
static inline void StatsIncOverrun(struct usart_stats *s) {
++s->overrun;
}
static inline void StatsIncHdrError(struct usart_stats *s, uint32_t hdr) {
++s->hdrError;
s->lastErrHdr = hdr;
}
static inline void StatsIncPayloadError(struct usart_stats *s, uint32_t pep1, uint32_t pep2) {
++s->payloadErrror;
s->pep1 = pep1;
s->pep2 = pep2;
}
static inline void StatsIncDmaError(struct usart_stats *s) {
++s->dmaError;
}
static inline void StatsIncRcvd(struct usart_stats *s) {
++s->rcvd;
}
static inline void StatsIncPremature_hdr(struct usart_stats *s) {
++s->premature_hdr;
}
static inline void StatsIncPremature_payload(struct usart_stats *s) {
++s->premature_payload;
}
static inline void StatsIncSent(struct usart_stats *s) {
++s->sent;
}
static inline void StatsAddSkiped(struct usart_stats *s, uint8_t cnt) {
s->skiped += s->rcvd > 2 ? cnt : 0;
}
#else // USART_STATS_DISABLED
#define StatsIncOverrun(x)
#define StatsIncHdrError(x,y)
#define StatsIncPayloadError(x,y,z)
#define StatsIncDmaError(x)
#define StatsIncRcvd(x)
#define StatsIncPremature_hdr(x)
#define StatsIncPremature_payload(x)
#define StatsIncSent(x)
#define StatsAddSkiped(x)
#endif // USART_STATS_DISABLED
#endif /* UART_HANDLER_H_ */