| /shark/trunk/drivers/serial/scom.c |
|---|
| 62,7 → 62,7 |
| /* Register level access functions */ |
| unsigned com_read(unsigned port,unsigned reg) |
| unsigned com_read(unsigned port, unsigned reg) |
| { |
| unsigned b; |
| if (port > 3 || reg > 7) return(0); |
| 70,7 → 70,7 |
| return(b); |
| } |
| void com_write(unsigned port,unsigned reg,unsigned value) |
| void com_write(unsigned port, unsigned reg, unsigned value) |
| { |
| if (port > 3 || reg > 7) return; |
| ll_out(com_base[port]+reg,value); |
| 78,10 → 78,11 |
| /* Polled send/receive */ |
| void com_send(unsigned port,BYTE b) |
| unsigned com_send(unsigned port, BYTE b) |
| { |
| while ((com_read(port,LSR) & 32) == 0); |
| com_write(port,THR,b); |
| return 0; |
| } |
| unsigned com_receive(unsigned port) |
| /shark/trunk/drivers/serial/include/drivers/scom.h |
|---|
| 85,11 → 85,11 |
| #define bit_on(v,b) v |= (b) |
| #define bit_off(v,b) v &= (~(b)) |
| int com_open(unsigned int port,DWORD speed,BYTE parity,BYTE len,BYTE stop); |
| int com_close(unsigned int port); |
| unsigned com_read(unsigned int port,unsigned int reg); |
| unsigned com_receive(unsigned int port); |
| void com_write(unsigned int port,unsigned int reg,unsigned int value); |
| void com_send(unsigned int port,BYTE b); |
| int com_open(unsigned port, DWORD speed, BYTE parity, BYTE len, BYTE stop); |
| int com_close(unsigned port); |
| unsigned com_read(unsigned port, unsigned reg); |
| unsigned com_receive(unsigned port); |
| void com_write(unsigned port, unsigned reg, unsigned value); |
| unsigned com_send(unsigned port, BYTE b); |
| #endif |