void serial_put(serial_buffer_type *buffer)
{
if (NULL != buffer) {
// critical code - disable uart tx interrupts
InterruptType s = Interrupt_disable();
REG_INT_ESIF01 &= ~ESTX0;
Interrupt_enable(s);
buffer->link = NULL;
if (NULL != send_queue_tail) {
send_queue_tail->link = buffer;
}
send_queue_tail = buffer;
if (NULL == send_queue_head) {
send_queue_head = send_queue_tail;
transmit = send_queue_head->text;
s = Interrupt_disable();
REG_INT_FSIF01 = FSTX0;
Interrupt_enable(s);
{
u8 c = *transmit++;
if ('\n' == c) {
c = '\r';
linefeed = true;
}
REG_EFSIF0_TXD = c;
}
}
s = Interrupt_disable();
REG_INT_ESIF01 |= ESTX0;
Interrupt_enable(s);
}
}
void Serial_initialise(void)
{
static bool initialised = false;
if (!initialised) {
initialised = true;
Vector_initialise();
Event_initialise();
Watchdog_initialise();
Interrupt_type state = Interrupt_disable();
SET_BRTRD(0, CALC_BAUD(PLL_CLK, 1, SERIAL_DIVMD, CONSOLE_BPS));
REG_INT_ESIF01 |= ESRX0 | ESERR0;
REG_INT_PLCDC_PSI00 |= SERIAL_CH0_INT_PRI_7;
int i;
for (i = 0; i < 6; ++i) {
// flush FIFO
register uint32_t c = REG_EFSIF0_RXD;
(void)c;
}
REG_INT_FSIF01 = FSTX0 | FSRX0 | FSERR0; // clear the interrupt
Vector_set(VECTOR_Serial_interface_Ch_0_Receive_error, receive_interrupt);
Vector_set(VECTOR_Serial_interface_Ch_0_Receive_buffer_full, receive_interrupt);
Interrupt_enable(state);
}
}
void serial_out(int port, char c)
{
if (port != 0)
return;
InterruptType s = Interrupt_disable();
REG_EFSIF0_TXD = c;
Interrupt_enable(s);
}
void CTP_flush(void)
{
InterruptType s = Interrupt_disable();
touch_state = STATE_WAITING;
x = 0;
y = 0;
CTPwrite = 0;
CTPread = 0;
Interrupt_enable(s);
}
void serial_init(void)
{
static bool initialised = false;
if (!initialised) {
InterruptType s = Interrupt_disable();
REG_INT_ESIF01 = ESRX0;
REG_INT_PLCDC_PSIO0 = 0x70;
console_read = 0;
console_write = 0;
send_queue_head = NULL;
send_queue_tail = NULL;
linefeed = false;
initialised = true;
Interrupt_enable(s);
}
}
void CTP_initialise(void)
{
static bool initialised = false;
if (!initialised) {
initialised = true;
Tick_initialise();
touch_state = STATE_WAITING;
x = 0;
y = 0;
CTPwrite = 0;
CTPread = 0;
init_rs232_ch1();
SET_BRTRD(1, CALC_BAUD(PLL_CLK, 1, SERIAL_DIVMD, CTP_BPS));
InterruptType s = Interrupt_disable();
// CTP_INIT_Reset_function
REG_P0_IOC0 |= 0x80;
REG_P0_P0D |= 0x80;
delay_us(20);
REG_P0_P0D &= ~0x80;
REG_INT_ESIF01 |= ESRX1 | ESERR1;
REG_INT_PSI01_PAD |= SERIAL_CH1_INT_PRI_7;
int i;
for (i = 0; i < 6; ++i) {
// flush FIFO
register uint32_t c = REG_EFSIF1_RXD;
(void)c;
}
REG_INT_FSIF01 = FSTX1 | FSRX1 | FSERR1; // clear the interrupt
Interrupt_enable(s);
}
}
