ICACHE_FLASH_ATTR
void CMD_ProtoWrite(uint8_t data)
{
switch(data){
case SLIP_START:
case SLIP_END:
case SLIP_REPL:
uart0_write(SLIP_REPL);
uart0_write(SLIP_ESC(data));
break;
default:
uart0_write(data);
}
}
void
collect_common_recv(const rimeaddr_t *originator, uint8_t seqno, uint8_t hops,
uint8_t *payload, uint16_t payload_len)//originator 发起人; seqno 序号,序列号,成交回报的广播序号; hops 跳数; payload 有效载荷;
{
int i;
uint8_t fcs = 0;
uint8_t data_len = 0;
// output data to UART
//0xA5+LEN(0,1)+SenderADDR(1,2)+TEMP(3,1)+VOLTAGE(4,1)+parentAddr(5,2) + FCS(7,1)
mt_packet[0]=0xA5;
mt_packet[1]=6; // 去掉 0xA5,LEN,FCS这几个字段长度
data_len = mt_packet[1] + 3;
mt_packet[2]=originator->u8[0]; //数据发送节点的地址
mt_packet[3]=originator->u8[1];
mt_packet[4]= *(payload+28); //msg->sensors[TEMP_SENSOR]
mt_packet[5]= *(payload+24); //msg->sensors[BATTERY_VOLTAGE_SENSOR]
mt_packet[6]= *(payload+14); // parent addr, Low byte
mt_packet[7]= *(payload+15); // parent addr, high byte
for(i=1;i<(data_len-1); i++) {
fcs = fcs ^ mt_packet[i];
}
mt_packet[8]= fcs;
// put HEX data to uart0
uart0_write(&mt_packet[0],data_len);
}
ICACHE_FLASH_ATTR
uint16_t CMD_ResponseEnd(uint16_t crc)
{
CMD_ProtoWriteBuf((uint8_t*)&crc, 2);
uart0_write(SLIP_END);
return 0;
}
int __sys_write(int iFileHandle, char *pcBuffer, int iLength) {
if (iFileHandle == 1) {
// stderr totally doesn't work
uart0_write((const uint8_t*) pcBuffer, iLength);
logging_log_persistent(pcBuffer, iLength);
}
return 0;
}
void data_abort (void)
{
register volatile char *r_14 asm ("r14");
long prev_pc = (long) r_14 - 8;
uart0_write ("data abort!\r\n");
uart0_write_hex (prev_pc);
// XXX: register dump
panic_blink(3);
}
void prefetch_abort (void)
{
register volatile char *r_14 asm ("r14");
long prev_pc = (long) r_14 - 4;
uart0_write ("prefetch abort!\r\n");
uart0_write_hex (prev_pc);
// XXX: register dump
panic_blink(2);
}
void data_abort (long r_0, long r_1, long r_2, long r_3,
long spsr,
long r_4, long r_5, long r_6, long r_7,
long r_8, long r_9, long r_10, long r_11,
long r_12, long prev_pc)
{
uart0_write ("data abort!\r\n");
DUMP_REGS()
panic_blink(1500);
}
void prefetch_abort (long r_0, long r_1, long r_2, long r_3,
long spsr,
long r_4, long r_5, long r_6, long r_7,
long r_8, long r_9, long r_10, long r_11,
long r_12, long prev_pc)
{
uart0_write ("prefetch abort!\r\n");
DUMP_REGS()
panic_blink(1000);
}
ICACHE_FLASH_ATTR
uint16_t CMD_ResponseStart(uint16_t cmd, uint32_t callback, uint32_t _return, uint16_t argc)
{
uint16_t crc = 0;
uart0_write(SLIP_START);
CMD_ProtoWriteBuf((uint8_t*)&cmd, 2);
crc = crc16_data((uint8_t*)&cmd, 2, crc);
CMD_ProtoWriteBuf((uint8_t*)&callback, 4);
crc = crc16_data((uint8_t*)&callback, 4, crc);
CMD_ProtoWriteBuf((uint8_t*)&_return, 4);
crc = crc16_data((uint8_t*)&_return, 4, crc);
CMD_ProtoWriteBuf((uint8_t*)&argc, 2);
crc = crc16_data((uint8_t*)&argc, 2, crc);
return crc;
}
void send_version()
{
const char version[] = PROTOCOL_VERSION;
const uint8_t size = 0x0D;
uint8_t checksum = IdVersionMessage + size + sequence;
cli();
uart0_write(IdVersionMessage);
uart0_write(size);
uart0_write(sequence++);
for (uint8_t i = 0; i < 8; ++i)
{
uart0_write(version[i]);
checksum += version[i];
}
uart0_write((uint8_t) TARGET);
checksum += (uint8_t) TARGET;
uart0_write(0xFF - checksum);
sei();
}
void swi (void)
{
uart0_write ("swi!\r\n");
// XXX: tell us something
exit (-1);
}
void uart0_write_byte(uint8_t Byte)
{
uart0_write(&Byte, 1);
}
void uart0_write_string(const char* str) {
uart0_write((const uint8_t*) str, strlen(str));
}