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Add gpio and interrupt settings for uart1 uart2

This commit is contained in:
Jonne 2020-04-11 21:12:15 +08:00
parent 0227b5823e
commit e5fac04e7d
1 changed files with 21 additions and 2 deletions
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23
bsp/mini2440/drivers/uart.c
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@ -50,21 +50,35 @@ static rt_err_t s3c2440_serial_configure(struct rt_serial_device *serial, struct
static rt_err_t s3c2440_serial_control(struct rt_serial_device *serial, int cmd, void *arg)
{
struct hw_uart_device *uart;
int mask;
RT_ASSERT(serial != RT_NULL);
uart = (struct hw_uart_device *)serial->parent.user_data;
if(uart->irqno == INTUART0)
{
mask = BIT_SUB_RXD0;
}
else if(uart->irqno == INTUART1)
{
mask = BIT_SUB_RXD1;
}
else
{
mask = BIT_SUB_RXD2;
}
switch (cmd)
{
case RT_DEVICE_CTRL_CLR_INT:
/* disable rx irq */
INTSUBMSK |= BIT_SUB_RXD0;
INTSUBMSK |= mask;
break;
case RT_DEVICE_CTRL_SET_INT:
/* enable rx irq */
INTSUBMSK &= ~(BIT_SUB_RXD0);
INTSUBMSK &= ~mask;
break;
}
@ -162,6 +176,11 @@ static struct hw_uart_device _hwserial2 = {
int rt_hw_uart_init(void)
{
/* UART0 UART1 UART2 port configure */
GPHCON |= 0xAAAA;
/* PULLUP is disable */
GPHUP |= 0xFFF;
/* register UART0 device */
rt_hw_serial_register(&_serial0, "uart0", RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX, &_hwserial0);
rt_hw_interrupt_install(_hwserial0.irqno, rt_hw_uart_isr, &_serial0, "uart0");