示例#1
0
unsigned char netv_read_data_flow_table_v2(unsigned int offset, unsigned char mem_type, unsigned char *buffer, unsigned int size) {
    unsigned int i = 0;
    unsigned char success = 1;

    switch (mem_type) {
        case NETV_REQUEST_RAM:
            if (offset + size <= DATA_FLOW_TABLE_SIZE) {
                asm volatile("di"); //disable interrupts
                for (i = offset; i < (offset + size); i++) {
                    buffer[i - offset] = DATA_FLOW_TABLE[i];
                }
                asm volatile("ei"); //Enable interrupts

                success = 1;
            } else {
                //memory out of bound
                success = 0;
            }
            break;

        case NETV_REQUEST_EEPROM:
            if (offset + size <= DATA_FLOW_TABLE_SIZE) {
                asm volatile("di"); //disable interrupts
                for (i = offset; i < (offset + size); i++) {
                    buffer[i - offset] = netv_read_eeprom(i);
                }
                asm volatile("ei"); //Enable interrupts

                success = 1;
            } else {
示例#2
0
//////////////////////////////////////////////////////////////////////
//   netv_send_im_alive
//////////////////////////////////////////////////////////////////////
//
//   Description: Send a I'M Alive can message
//
//   Input: netv_addr (Address read in the EEPROM at 0XFE)
//   Output: NONE
//   Input/Output: NONE
//   Returned value: NONE
//
//////////////////////////////////////////////////////////////////////
void netv_send_im_alive(unsigned char netv_addr)
{		
   NETV_MESSAGE msg;
   int i = 0;
   
   msg.msg_priority = 0x00;
   msg.msg_type = NETV_TYPE_EVENTS;
   msg.msg_cmd = NETV_EVENTS_CMD_ALIVE;
   msg.msg_dest = netv_addr;
   msg.msg_eeprom_ram = NETV_REQUEST_EEPROM;
   msg.msg_read_write = NETV_REQUEST_READ;
   msg.msg_data_length = 8;

   //Protocol version 2
   for (i = 0; i < 8; i++)
   {
   		msg.msg_data[i] = netv_read_eeprom(i);
   }

   //make sure we are returning the right netv_addr
   msg.msg_data[2] = netv_addr;

   msg.msg_remote = 0;
   netv_send_message(&msg);
}