void netv_transceiver(unsigned char netv_addr) {
NETV_MESSAGE g_rMessage;
// unsigned char buffer_size = 0;
unsigned int offset = 0;
while (netv_recv_message(&g_rMessage)) {
if (g_rMessage.msg_dest == netv_addr || g_rMessage.msg_dest == 0xFF) {
//Analyse for boot mode and I'm alive signal
switch (g_rMessage.msg_type) {
case NETV_TYPE_EMERGENCY:
switch (g_rMessage.msg_cmd) {
case NETV_EMERGENCY_CMD_PROGRAM:
//indicate to the bootloader that we are gonna program
//TODO Update Boot Config
//netv_write_eeprom(0xFF,NETV_BOOT_MODE_ID);
//TODO FIX THIS
//software reset, from reset documentation!
//mSYSTEMUnlock();
//Set arm reset
//RSWRSTSET = 1;
//Read register to trigger reset
//volatile int *p = &RSWRST;
//Wait until the reset happens
//while(1);
// Reset();
break;
}//end switch msg_cmd
break;
case NETV_TYPE_EVENTS:
switch (g_rMessage.msg_cmd) {
case NETV_EVENTS_CMD_ALIVE:
//Send i'm alive
netv_send_im_alive(netv_addr);
break;
}//end switch msg_cmd
break;
case NETV_TYPE_REQUEST_DATA:
//get the memory offset
offset = g_rMessage.msg_cmd;
switch (g_rMessage.msg_read_write) {
case NETV_REQUEST_READ:
//WE MUST RECEIVE A REMOTE REQUEST...
if (g_rMessage.msg_remote == 1) {
netv_read_data_flow_table_v2(offset,
g_rMessage.msg_eeprom_ram,
&g_rMessage.msg_data[0],
MIN(g_rMessage.msg_data_length, 8));
g_rMessage.msg_remote = 0;
while (netv_send_message(&g_rMessage)) {
;
}
}
break;
case NETV_REQUEST_WRITE:
// We don't want to overwrite EEPROM table information
// The message must not be a remote request
if (g_rMessage.msg_remote == 0) {
netv_write_data_flow_table_v2(offset,
g_rMessage.msg_eeprom_ram,
&g_rMessage.msg_data[0],
MIN(g_rMessage.msg_data_length, 8));
}
break;
}//end sub-switch read_write
break;
}
} //if dest
// processe the received message
netv_proc_message(&g_rMessage);
}//while
}
//////////////////////////////////////////////////////////////////////
// netv_transceiver()
//////////////////////////////////////////////////////////////////////
//
// Description: MCP2510 unsigned charerrupt sub-routine
// Handles all MCP2510 unsigned charerruptions until none are left
//
// Input: NONE
// Output: NONE
// Input/Output: NONE
// Returned value: NONE
//
//////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////
void netv_transceiver(unsigned char netv_addr)
{
NETV_MESSAGE g_rMessage;
// unsigned char buffer_size = 0;
unsigned int offset = 0;
while(netv_recv_message(&g_rMessage)) {
//Analyse for boot mode and I'm alive signal
switch(g_rMessage.msg_type){
case NETV_TYPE_EMERGENCY:
switch(g_rMessage.msg_cmd){
case NETV_EMERGENCY_CMD_PROGRAM:
//indicate to the bootloader that we are gonna program
//TODO Update Boot Config
//netv_write_eeprom(0xFF,NETV_BOOT_MODE_ID);
//wait 10ms
//FCY must be defined
__delay_ms(10);
//reset!
asm("RESET"); //Reset();
break;
}//end switch msg_cmd
break;
case NETV_TYPE_EVENTS:
switch(g_rMessage.msg_cmd){
case NETV_EVENTS_CMD_ALIVE:
//Send i'm alive
netv_send_im_alive(netv_addr);
break;
}//end switch msg_cmd
break;
case NETV_TYPE_REQUEST_DATA:
//get the memory offset
offset = g_rMessage.msg_cmd;
switch(g_rMessage.msg_read_write){
case NETV_REQUEST_READ:
//WE MUST RECEIVE A REMOTE REQUEST...
if (g_rMessage.msg_remote == 1)
{
netv_read_data_flow_table_v2(offset,
g_rMessage.msg_eeprom_ram,
&g_rMessage.msg_data[0],
MIN(g_rMessage.msg_data_length,8));
g_rMessage.msg_remote = 0;
while(netv_send_message(&g_rMessage)){;}
}
break;
case NETV_REQUEST_WRITE:
// We don't want to overwrite EEPROM table information
// The message must not be a remote request
if(g_rMessage.msg_remote == 0)
{
netv_write_data_flow_table_v2(offset,
g_rMessage.msg_eeprom_ram,
&g_rMessage.msg_data[0],
MIN(g_rMessage.msg_data_length,8));
}
break;
}//end sub-switch read_write
break;
}
// processe the received message
netv_proc_message(&g_rMessage);
}
}
