dali/bacnet_stack
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This commit is contained in:
skarg
2007-11-29 15:56:53 +00:00
parent c585241c03
commit 411d6c1b24
236 changed files with 17864 additions and 15724 deletions
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bacnet-stack/ports/rtos32/rs485.c
+45 -36
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@@ -57,10 +57,13 @@ static FineTime RS485_Debug_Transmit_Timer;
#endif
#if PRINT_ENABLED_RS485
void RS485_Print_Frame(int port, FineTime timer, uint8_t * buffer, /* frame to send (up to 501 bytes of data) */
void RS485_Print_Frame(
int port,
FineTime timer,
uint8_t * buffer, /* frame to send (up to 501 bytes of data) */
uint16_t nbytes)
{
uint16_t i; /* byte counter */
uint16_t i; /* byte counter */
unsigned long duration; /* measures the time from last output to this one */
unsigned long seconds;
unsigned long milliseconds;
@@ -79,33 +82,36 @@ void RS485_Print_Frame(int port, FineTime timer, uint8_t * buffer, /* frame
}
#endif
static void RS485_Standard_Port_Settings(long port, long *pIRQ,
static void RS485_Standard_Port_Settings(
long port,
long *pIRQ,
long *pBase)
{
switch (port) {
case COM1:
*pBase = (long) 0x3F8;
*pIRQ = 4L;
break;
case COM2:
*pBase = (long) 0x2F8;
*pIRQ = 3L;
break;
case COM3:
*pBase = (long) 0x3E8;
*pIRQ = 4L;
break;
case COM4:
*pBase = (long) 0x2E8;
*pIRQ = 3L;
break;
default:
break;
case COM1:
*pBase = (long) 0x3F8;
*pIRQ = 4L;
break;
case COM2:
*pBase = (long) 0x2F8;
*pIRQ = 3L;
break;
case COM3:
*pBase = (long) 0x3E8;
*pIRQ = 4L;
break;
case COM4:
*pBase = (long) 0x2E8;
*pIRQ = 3L;
break;
default:
break;
}
}
static int TestCOMPort(int Base)
{ /* base address of UART */
static int TestCOMPort(
int Base)
{ /* base address of UART */
int i;
for (i = 0; i < 256; i++) {
@@ -117,11 +123,12 @@ static int TestCOMPort(int Base)
return TRUE;
}
static RS485_Open_Port(int port, /* COM port number - COM1 = 0 */
long baud, /* baud rate */
unsigned base, /* io base address */
static RS485_Open_Port(
int port, /* COM port number - COM1 = 0 */
long baud, /* baud rate */
unsigned base, /* io base address */
int irq)
{ /* hardware IRQ number */
{ /* hardware IRQ number */
if (!TestCOMPort(base))
return;
@@ -148,21 +155,22 @@ static RS485_Open_Port(int port, /* COM port number - COM1 = 0 */
return;
}
void RS485_Initialize(void)
void RS485_Initialize(
void)
{
#if PRINT_ENABLED_RS485
MarkTime(&RS485_Debug_Transmit_Timer);
#endif
RS485_Standard_Port_Settings(RS485_Port, &RS485_IRQ_Number,
&RS485_Base);
RS485_Standard_Port_Settings(RS485_Port, &RS485_IRQ_Number, &RS485_Base);
RS485_Open_Port(RS485_Port, RS485_Baud, RS485_Base, RS485_IRQ_Number);
}
void RS485_Send_Frame(volatile struct mstp_port_struct_t *mstp_port, /* port specific data */
uint8_t * buffer, /* frame to send (up to 501 bytes of data) */
void RS485_Send_Frame(
volatile struct mstp_port_struct_t *mstp_port, /* port specific data */
uint8_t * buffer, /* frame to send (up to 501 bytes of data) */
uint16_t nbytes)
{ /* number of bytes of data (up to 501) */
bool status = true; /* return value */
{ /* number of bytes of data (up to 501) */
bool status = true; /* return value */
RS485_TRANSMIT_ENABLE(RS485_Port);
SendBlock(RS485_Port, (char *) buffer, nbytes);
@@ -184,8 +192,9 @@ void RS485_Send_Frame(volatile struct mstp_port_struct_t *mstp_port, /* port
return;
}
void RS485_Check_UART_Data(volatile struct mstp_port_struct_t *mstp_port)
{ /* port specific data */
void RS485_Check_UART_Data(
volatile struct mstp_port_struct_t *mstp_port)
{ /* port specific data */
COMData com_data = 0; /* byte from COM driver */
unsigned timeout = 1; /* milliseconds to wait for a character */
static Duration ticks = 0; /* duration to wait for data */