void uart1_init( void ) {
uart_periph_init(&uart1);
uart1.reg_addr = UART1_BASE;
#ifdef USE_UART1_RX_ONLY
// only use the RX1 P0.9 pin, no TX
PINSEL0 = (PINSEL0 & ~U1_PINMASK_RX) | U1_PINSEL_RX;
#else
// set port pins for UART1
PINSEL0 = (PINSEL0 & ~U1_PINMASK) | U1_PINSEL;
#endif
uart_disable_interrupts(&uart1);
uart_set_baudrate(&uart1, UART1_BAUD);
// initialize the interrupt vector
VICIntSelect &= ~VIC_BIT(VIC_UART1); // UART1 selected as IRQ
VICIntEnable = VIC_BIT(VIC_UART1); // UART1 interrupt enabled
_VIC_CNTL(UART1_VIC_SLOT) = VIC_ENABLE | VIC_UART1;
_VIC_ADDR(UART1_VIC_SLOT) = (uint32_t)uart1_ISR; // address of the ISR
// enable receiver interrupts
uart_enable_interrupts(&uart1);
}
void uart0_init( void ) {
uart_periph_init(&uart0);
uart0.reg_addr = UART0_BASE;
#ifdef USE_UART0_RX_ONLY
// only use the RX0 P0.1 pin, no TX
PINSEL0 = (PINSEL0 & ~U0_PINMASK_RX) | U0_PINSEL_RX;
#else
// set port pins for UART0
PINSEL0 = (PINSEL0 & ~U0_PINMASK) | U0_PINSEL;
#endif
// initialize uart parameters
uart_disable_interrupts(&uart0);
uart_set_baudrate(&uart0, UART0_BAUD);
// initialize the interrupt vector
VICIntSelect &= ~VIC_BIT(VIC_UART0); // UART0 selected as IRQ
VICIntEnable = VIC_BIT(VIC_UART0); // UART0 interrupt enabled
_VIC_CNTL(UART0_VIC_SLOT) = VIC_ENABLE | VIC_UART0;
_VIC_ADDR(UART0_VIC_SLOT) = (uint32_t)uart0_ISR; // address of the ISR
uart_enable_interrupts(&uart0);
}
/// Set interrupts to a previous state
int chip_uart_int_set(void* device, int state)
{
int rc = chip_uart_int_enabled(device);
if ( state )
uart_enable_interrupts(device);
else
uart_disable_interrupts(device);
return rc;
}
void uart_periph_set_baudrate(struct uart_periph* p, uint32_t baud, bool_t hw_flow_control __attribute__ ((unused))) {
uart_disable_interrupts(p);
uart_set_baudrate(p, baud);
uart_enable_interrupts(p);
}
void uart_periph_set_baudrate(struct uart_periph* p, uint32_t baud) {
uart_disable_interrupts(p);
uart_set_baudrate(p, baud);
uart_enable_interrupts(p);
}
