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bsp/imx7: Add getchark() support

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This commit is contained in:
Sebastian Huber
2018-10-17 09:58:14 +02:00
parent 186a0b1dc0
commit d7c13c8772
1 changed files with 20 additions and 16 deletions
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bsps/arm/imx/console/console-config.c
+20 -16
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@@ -64,6 +64,19 @@ static void imx_uart_write_polled(rtems_termios_device_context *base, char c)
regs->utxd = IMX_UART_UTXD_TX_DATA(c);
}
static int imx_uart_read_polled(rtems_termios_device_context *base)
{
volatile imx_uart *regs;
regs = imx_uart_get_regs(base);
if ((regs->usr2 & IMX_UART_USR2_RDR) != 0) {
return IMX_UART_URXD_RX_DATA_GET(regs->urxd);
} else {
return -1;
}
}
void imx_uart_console_drain(void)
{
volatile imx_uart *regs;
@@ -82,6 +95,11 @@ static void imx_output_char(char c)
imx_uart_write_polled(&imx_uart_console->base, c);
}
static int imx_poll_char(void)
{
return imx_uart_read_polled(&imx_uart_console->base);
}
static void imx_uart_init_context(
imx_uart_context *ctx,
const char *fdt,
@@ -147,6 +165,7 @@ static void imx_uart_probe(void)
}
BSP_output_char = imx_output_char;
BSP_poll_char = imx_poll_char;
}
static void imx_output_char_init(char c)
@@ -315,21 +334,6 @@ static void imx_uart_write(
#endif
}
#ifndef CONSOLE_USE_INTERRUPTS
static int imx_uart_read(rtems_termios_device_context *base)
{
volatile imx_uart *regs;
regs = imx_uart_get_regs(base);
if ((regs->usr2 & IMX_UART_USR2_RDR) != 0) {
return IMX_UART_URXD_RX_DATA_GET(regs->urxd);
} else {
return -1;
}
}
#endif
static const rtems_termios_device_handler imx_uart_handler = {
.first_open = imx_uart_first_open,
.last_close = imx_uart_last_close,
@@ -338,7 +342,7 @@ static const rtems_termios_device_handler imx_uart_handler = {
#ifdef CONSOLE_USE_INTERRUPTS
.mode = TERMIOS_IRQ_DRIVEN
#else
.poll_read = imx_uart_read,
.poll_read = imx_uart_read_polled,
.mode = TERMIOS_POLLED
#endif
};