van i2c naar spi
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Mats van Reenen
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fd389ca33b
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bc71a50604
@ -11,61 +11,58 @@ typedef enum {
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} packetID_t;
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// packet structures
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union {
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struct {
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packetID_t id = PACKET_NOODSTOP;
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bool overheeat;
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bool overload;
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bool overspeed;
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} initAandrijving;
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struct {
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packetID_t id = PACKET_INITPARAMS;
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uint8_t maxVermogen;
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uint16_t maxSnelhied;
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uint8_t maxTemptratuur;
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uint8_t vermogenSetpoint;
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} initBelasting;
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struct {
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packetID_t id = 0x03;
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uint8_t maxVermogen;
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uint16_t maxSnelhied;
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uint8_t maxTemptratuur;
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} maxWaardesBelasting;
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struct {
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packetID_t id = 0x04;
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uint8_t rendement;
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uint16_t snelheid;
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uint16_t stroom;
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uint16_t spanning;
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};
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struct {
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packetID_t id = 0x05;
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uint16_t snelheidSetpoint;
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uint16_t maxSpanning;
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uint16_t maxStroom;
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} initAandrijving;
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struct {
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packetID_t id = 0x06;
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uint8_t rendement;
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uint8_t vermogen;
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uint16_t stroom;
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uint16_t spanning;
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};
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} I2CPacket_t;
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typedef struct {
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packetID_t id;
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bool overheeat;
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bool overload;
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bool overspeed;
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} initAandrijving;
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typedef struct {
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uint8_t maxTemperatuur;
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packetID_t id;
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uint8_t maxVermogen;
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uint16_t maxSnelheid;
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} maxwaardes_t;
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uint16_t maxSnelhied;
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uint8_t maxTemptratuur;
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uint8_t vermogenSetpoint;
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} initBelasting;
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mqd_t MaxWaardes_mq;
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typedef struct {
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packetID_t id;
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uint8_t maxVermogen;
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uint16_t maxSnelhied;
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uint8_t maxTemptratuur;
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} maxWaardesBelasting;
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extern void mppt_setpoint(uint8_t vermogen);
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typedef struct {
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packetID_t id;
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uint8_t rendement;
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uint16_t snelheid;
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uint16_t stroom;
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uint16_t spanning;
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} dataBelasting;
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typedef struct {
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packetID_t id;
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uint16_t snelheidSetpoint;
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uint16_t maxSpanning;
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uint16_t maxStroom;
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} initAandrijving;
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typedef struct {
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packetID_t id;
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uint8_t rendement;
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uint8_t vermogen;
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uint16_t stroom;
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uint16_t spanning;
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} dataAandrijving;
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union {
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initAandrijving;
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initBelasting;
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maxWaardesBelasting;
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dataBelasting;
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initAandrijving;
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dataAandrijving;
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} I2CPacket_t;
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#endif
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@ -1,102 +1,97 @@
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#include <ti/drivers/I2CSlave.h>
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#include <ti/drivers/SPI.h>
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#include "communicatie.h"
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#define COMM_I2C_ADDRESS 0xB1
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#define SPI_PACKET_LENGTH 4
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extern pthread_t createSimplePTread(int prio, void * fn);
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union I2CPacket_t PacketBuffer;
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unsigned char ReciveBuffer[SPI_PACKET_LENGTH];
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unsigned char TransmitBuffer[SPI_PACKET_LENGTH];
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void dataBijhouden(){
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//BLOCK: wacht op werken
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//??
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uint16_t comm_snelheid;
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while(1){
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//BLOCK: vermogen DUT aflezen
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//??
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typedef enum {
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SPIPARM_maxVermogen,
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SPIPARM_maxSnelheid,
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SPIPARM_maxTempratuur,
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SPIPARM_setpoint,
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SPIPARM_vermogen,
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SPIPARM_snelheid,
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SPIPARM_tempratuur,
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SPIPARM_count
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} SPI_Register_t;
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//BLOCK: Snelheid aflezen
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//??
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//BLOCK: bereken koppel
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//??
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//BLOCK: Vermogen belasting aflezen
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//??
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//BLOCK: Spanning belasting aflezen
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//??
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//BLOCK: bereken rendement
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//??
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//BLOCK: Temperatuur aflezen
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//??
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//BLOCK: sleep 1ms
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usleep(1000);
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}
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}
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// communicatie I2C Taak
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void comm_i2c(){
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//BLOCK: init start begint
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//??
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//BLOCK: Initialiseer I2C
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I2C_init();
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//TODO: findout corect driver for this
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Slave_Handle handle;
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I2CSlave_Params params;
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I2CSlave_Params_init(¶ms);
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params.transferMode = I2CSLAVE_MODE_BLOCKING;
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params.slaveAddress = COMM_I2C_ADDRESS;
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handle = I2CSlave_open(CONFIG_I2C_0, ¶ms);
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if (!handle) {
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System_printf("I2CSlave did not open");
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// communicatie spi Taak
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void comm_spi(){
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// Initialiseer SPI
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ISP_init();
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SPI_Params spiParams;
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SPI_Params_init(&spiParams);
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spiParams.frameFormat = SPI_POL0_PHA0; // mode0
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spiParams.bitRate = 1E6; // 1 MHz
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SPI_Handle masterSpi = SPI_open(CONFIG_SPI_MASTER, &spiParams);
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if (masterSpi == NULL) {
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// Display_printf(display, 0, 0, "Error initializing master SPI\n");
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while (1);
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} else {
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// Display_printf(display, 0, 0, "Master SPI initialized\n");
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}
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//BLOCK: GPIO init
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//??
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//BLOCK: maak thread aan om waardes te updaten
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createSimplePTread(1, &dataBijhouden);
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I2CPacket_t packet;
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// create transaction
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SPI_Transaction transaction;
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transaction.count = SPI_PACKET_LENGTH;
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transaction.txBuf = (void *) TransmitBuffer;
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transaction.rxBuf = (void *) ReciveBuffer;
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// start the loop
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TransmitBuffer[0] = 0;
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while(1){
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//BLOCK: read package
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//TODO: figgerout how it actualy works
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I2C_read(handle, &packet, sizeof(Packet));
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// zero the buffers
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memset((void *) TransmitBuffer+1, 0, SPI_PACKET_LENGTH-1);
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memset((void *) ReciveBuffer, 0, SPI_PACKET_LENGTH);
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//BLOCK: send reply
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//TODO: figgerout how it actualy works
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I2C_send(handle, &PacketBuffer, sizeof(PacketBuffer));
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//BLOCK: identificeer package
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switch (packet){
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case PACKET_UPDATEBELASTING:
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//BLOCK: Update setpoint
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mppt_setpoint(packet.vermogenSetpoint);
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// set data in the transmit buffer
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ReciveBuffer[0] = TransmitBuffer[0];
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switch(TransmitBuffer[0]){
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case SPIPARM_vermogen:
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TransmitBuffer[1] = mppt_getVermogen();
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break;
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case PACKET_NOODSTOP:
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//BLOCK: Update Overheat, Overspeed, overload waardes updaten
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//??
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case SPIPARM_snelheid:
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TransmitBuffer[1] = comm_snelheid;
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break;
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case PACKET_INITPARAMS:
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//BLOCK: Verstuur data naar noodstop
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maxwaardes_t p;
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p.maxTemperatuur = packet.maxTemperatuur;
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p.maxVermogen = packet.maxVermogen;
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p.maxSnelheid = packet.maxSnelheid;
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//mq_send(MaxWaardes_mq, (const char*)&p, sizeof(p), 3);
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//BLOCK: Verstuur data naar MPPT
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mppt_setpoint(packet.vermogenSetpoint);
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case SPIPARM_tempratuur:
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TransmitBuffer[1] = noodstop_getTemptatuur();
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break;
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}
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// do the transaction
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SPI_transaction(masterSpi, &transaction);
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// read the data out the recive buffer
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switch (ReciveBuffer[0]){
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case SPIPARM_maxVermogen:
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uint8_t *maxVermogen = &ReciveBuffer[1];
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noodstop_setMaxVermogen(*maxVermogen);
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break;
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case SPIPARM_maxSnelheid:
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uint16_t *maxSnelheid = &ReciveBuffer[1];
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noodstop_setMaxSnelheid(*maxSnelheid);
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break;
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case SPIPARM_maxTempratuur:
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uint8_t *maxTemptratuur = &ReciveBuffer[1];
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noodstop_setMaxTemptratuur(*maxTemptratuur);
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break;
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case SPIPARM_setpoint:
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uint8_t *setpoint = &ReciveBuffer[1];
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mppt_setpoint(*setpoint);
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break;
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}
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// increment and loop parameter
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TransmitBuffer[0]++;
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if(TransmitBuffer[0] == SPIPARM_count)
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TransmitBuffer[0] = 0;
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usleep(5000);
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}
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