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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@19749 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Antoine Cellerier 2009-01-11 18:13:58 +00:00
parent 7d7969114d
commit fd02bb2d28
1 changed files with 91 additions and 91 deletions
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182
firmware/drivers/serial.c
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@ -80,7 +80,7 @@ int tx_rdy(void)
int rx_rdy(void)
{
if(SSR1 & SCI_RDRF)
return 1;
return 1;
else
return 0;
}
@ -121,7 +121,7 @@ int remote_control_rx(void)
}
if(rx_rdy()) {
btn = rx_readc();
btn = rx_readc();
if(last_was_error)
{
@ -197,7 +197,7 @@ int tx_rdy(void)
if(USR0 & 0x04)
return 1;
else
return 0;
return 0;
}
int rx_rdy(void)
@ -294,10 +294,10 @@ void serial_bitrate(int rate)
{
if(rate == 0)
{
autobaud = 2;
SER0_LCR = 0x80; /* Divisor latch enable */
SER0_DLL = 0x0D; /* 24000000/13/16 = 115384 baud */
SER0_LCR = 0x03; /* Divisor latch disable, 8-N-1 */
autobaud = 2;
SER0_LCR = 0x80; /* Divisor latch enable */
SER0_DLL = 0x0D; /* 24000000/13/16 = 115384 baud */
SER0_LCR = 0x03; /* Divisor latch disable, 8-N-1 */
return;
}
@ -341,90 +341,90 @@ void SERIAL0(void)
while(rx_rdy())
{
temp = rx_readc();
if (newpkt && autobaud > 0)
{
if (autobaud == 1)
{
switch (temp)
{
case 0xFF:
case 0x55:
break;
case 0xFC:
SER0_LCR = 0x80; /* Divisor latch enable */
SER0_DLL = 0x4E; /* 24000000/78/16 = 19230 baud */
SER0_LCR = 0x03; /* Divisor latch disable, 8-N-1 */
temp = 0xFF;
break;
case 0xE0:
SER0_LCR = 0x80; /* Divisor latch enable */
SER0_DLL = 0x9C; /* 24000000/156/16 = 9615 baud */
SER0_LCR = 0x03; /* Divisor latch disable, 8-N-1 */
temp = 0xFF;
break;
default:
badbaud++;
if (badbaud >= 6) /* Switch baud detection mode */
{
autobaud = 2;
SER0_LCR = 0x80; /* Divisor latch enable */
SER0_DLL = 0x0D; /* 24000000/13/16 = 115384 baud */
SER0_LCR = 0x03; /* Divisor latch disable, 8-N-1 */
badbaud = 0;
} else {
SER0_LCR = 0x80; /* Divisor latch enable */
SER0_DLL = 0x1A; /* 24000000/26/16 = 57692 baud */
SER0_LCR = 0x03; /* Divisor latch disable, 8-N-1 */
}
continue;
}
} else {
switch (temp)
{
case 0xFF:
case 0x55:
break;
case 0xFE:
SER0_LCR = 0x80; /* Divisor latch enable */
SER0_DLL = 0x1A; /* 24000000/26/16 = 57692 baud */
SER0_LCR = 0x03; /* Divisor latch disable, 8-N-1 */
temp = 0xFF;
break;
case 0xFC:
SER0_LCR = 0x80; /* Divisor latch enable */
SER0_DLL = 0x27; /* 24000000/39/16 = 38461 baud */
SER0_LCR = 0x03; /* Divisor latch disable, 8-N-1 */
temp = 0xFF;
break;
case 0xE0:
SER0_LCR = 0x80; /* Divisor latch enable */
SER0_DLL = 0x4E; /* 24000000/78/16 = 19230 baud */
SER0_LCR = 0x03; /* Divisor latch disable, 8-N-1 */
temp = 0xFF;
break;
default:
badbaud++;
if (badbaud >= 6) /* Switch baud detection */
{
autobaud = 1;
SER0_LCR = 0x80; /* Divisor latch enable */
SER0_DLL = 0x1A; /* 24000000/26/16 = 57692 baud */
SER0_LCR = 0x03; /* Divisor latch disable, 8-N-1 */
badbaud = 0;
} else {
SER0_LCR = 0x80; /* Divisor latch enable */
SER0_DLL = 0x0D; /* 24000000/13/16 = 115384 baud */
SER0_LCR = 0x03; /* Divisor latch disable, 8-N-1 */
}
continue;
}
}
}
bool pkt = iap_getc(temp);
if(newpkt == true && pkt == false)
autobaud = 0; /* Found good baud */
newpkt = pkt;
temp = rx_readc();
if (newpkt && autobaud > 0)
{
if (autobaud == 1)
{
switch (temp)
{
case 0xFF:
case 0x55:
break;
case 0xFC:
SER0_LCR = 0x80; /* Divisor latch enable */
SER0_DLL = 0x4E; /* 24000000/78/16 = 19230 baud */
SER0_LCR = 0x03; /* Divisor latch disable, 8-N-1 */
temp = 0xFF;
break;
case 0xE0:
SER0_LCR = 0x80; /* Divisor latch enable */
SER0_DLL = 0x9C; /* 24000000/156/16 = 9615 baud */
SER0_LCR = 0x03; /* Divisor latch disable, 8-N-1 */
temp = 0xFF;
break;
default:
badbaud++;
if (badbaud >= 6) /* Switch baud detection mode */
{
autobaud = 2;
SER0_LCR = 0x80; /* Divisor latch enable */
SER0_DLL = 0x0D; /* 24000000/13/16 = 115384 baud */
SER0_LCR = 0x03; /* Divisor latch disable, 8-N-1 */
badbaud = 0;
} else {
SER0_LCR = 0x80; /* Divisor latch enable */
SER0_DLL = 0x1A; /* 24000000/26/16 = 57692 baud */
SER0_LCR = 0x03; /* Divisor latch disable, 8-N-1 */
}
continue;
}
} else {
switch (temp)
{
case 0xFF:
case 0x55:
break;
case 0xFE:
SER0_LCR = 0x80; /* Divisor latch enable */
SER0_DLL = 0x1A; /* 24000000/26/16 = 57692 baud */
SER0_LCR = 0x03; /* Divisor latch disable, 8-N-1 */
temp = 0xFF;
break;
case 0xFC:
SER0_LCR = 0x80; /* Divisor latch enable */
SER0_DLL = 0x27; /* 24000000/39/16 = 38461 baud */
SER0_LCR = 0x03; /* Divisor latch disable, 8-N-1 */
temp = 0xFF;
break;
case 0xE0:
SER0_LCR = 0x80; /* Divisor latch enable */
SER0_DLL = 0x4E; /* 24000000/78/16 = 19230 baud */
SER0_LCR = 0x03; /* Divisor latch disable, 8-N-1 */
temp = 0xFF;
break;
default:
badbaud++;
if (badbaud >= 6) /* Switch baud detection */
{
autobaud = 1;
SER0_LCR = 0x80; /* Divisor latch enable */
SER0_DLL = 0x1A; /* 24000000/26/16 = 57692 baud */
SER0_LCR = 0x03; /* Divisor latch disable, 8-N-1 */
badbaud = 0;
} else {
SER0_LCR = 0x80; /* Divisor latch enable */
SER0_DLL = 0x0D; /* 24000000/13/16 = 115384 baud */
SER0_LCR = 0x03; /* Divisor latch disable, 8-N-1 */
}
continue;
}
}
}
bool pkt = iap_getc(temp);
if(newpkt == true && pkt == false)
autobaud = 0; /* Found good baud */
newpkt = pkt;
}
}