/**
* @brief main routine for EEPROM example
* @return Always returns 0
*/
int main(void)
{
uint8_t *ptr = (uint8_t *) buffer;
uint8_t ret_code;
/* Generic Initialization */
SystemCoreClockUpdate();
Board_Init();
/* Enable SysTick Timer */
SysTick_Config(SystemCoreClock / TICKRATE_HZ);
/* Enable EEPROM clock and reset EEPROM controller */
Chip_Clock_EnablePeriphClock(SYSCTL_CLOCK_EEPROM);
Chip_SYSCTL_PeriphReset(RESET_EEPROM);
/* Data to be read from EEPROM */
ret_code = Chip_EEPROM_Read(EEPROM_ADDRESS, ptr, IAP_NUM_BYTES_TO_READ_WRITE);
/* Error checking */
if (ret_code != IAP_CMD_SUCCESS) {
DEBUGOUT("Command failed to execute, return code is: %x\r\n", ret_code);
}
/* Check and display string if it exists */
ShowString((char *) ptr);
/* Get a string to save */
MakeString(ptr);
/* Data to be written to EEPROM */
ret_code = Chip_EEPROM_Write(EEPROM_ADDRESS, ptr, IAP_NUM_BYTES_TO_READ_WRITE);
/* Error checking */
if (ret_code == IAP_CMD_SUCCESS) {
DEBUGSTR("EEPROM write passed\r\n");
}
else {
DEBUGOUT("EEPROM write failed, return code is: %x\r\n", ret_code);
}
return 0;
}
// Read config from EEPROM
void readConfigFromEEPROM(void){
Chip_EEPROM_Read(0x00000000, (uint8_t *)&daq, sizeof(daq));
}
/* Přeposílání jednotlivých zpráv na ethernet
*
* Funkce filtruje zprávy, které začínaji znakem #.
* Každá přijatá zpráva ukončená znakem 0x0A se odesílá
* jednotlivě se zpožděním kvůli synchronizaci přenosu.
* Před každým odesláním packetu prečte data z paměti.
* */
void ethernet_transmit(){
switch (state) {
case WAIT_FOR_DATA: {
while(!empty_buffer(&buf_uart)){
if(buf_uart.buffer[buf_uart.consumer] == FIRST_CHAR){
BUF_CONSUMER_PLUS1;
state = WRONG_MESSAGE;
break;
}
if(buf_uart.buffer[buf_uart.consumer] == LAST_CHAR){
BUF_CONSUMER_PLUS1;
break;
}
state = RIGHT_MESSAGE;
break;
}
break;
}
case WRONG_MESSAGE: {
while(!empty_buffer(&buf_uart)){
if(buf_uart.buffer[buf_uart.consumer] != LAST_CHAR){
BUF_CONSUMER_PLUS1;
} else{
BUF_CONSUMER_PLUS1;
state = WAIT_FOR_DATA;
break;
}
}
break;
}
case RIGHT_MESSAGE: {
while(!empty_buffer(&buf_uart)){
if(buf_uart.buffer[buf_uart.consumer] == FIRST_CHAR){
state = WRONG_MESSAGE;
break;
}
if(buf_uart.buffer[buf_uart.consumer] != LAST_CHAR){
buffer[message_lenght] = buf_uart.buffer[buf_uart.consumer];
BUF_CONSUMER_PLUS1;
message_lenght++;
} else{
buffer[message_lenght] = buf_uart.buffer[buf_uart.consumer];
BUF_CONSUMER_PLUS1;
message_lenght++;
state = ETHERNET_TRANSMIT;
break;
}
}
break;
}
case ETHERNET_TRANSMIT: {
/* Read all data from EEPROM page*/
Chip_EEPROM_Read(LPC_EEPROM, 0, PAGE_ADDR, eeprom_read, EEPROM_RWSIZE_8BITS, EEPROM_PAGE_SIZE);
/* Destination address */
memcpy(destination_addr,(char*)eeprom_read + 2, sizeof(destination_addr));
/* Source address */
memcpy(source_addr,(char*)eeprom_read + 9, sizeof(source_addr));
/* Source ip */
memcpy(source_ip,(char*)eeprom_read + 16, sizeof(source_ip));
/* Destination ip */
memcpy(destination_ip,(char*)eeprom_read + 21, sizeof(destination_ip));
delayMs(3);
UDP_packet_send((char*) buffer, message_lenght,destination_addr,
source_addr,source_ip,destination_ip);
memset(buffer,0,message_lenght); // Vynulování přeposlaných dat v bufferu
message_lenght = 0;
state = WAIT_FOR_DATA;
break;
}
}
}