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authorSebastian Huber <sebastian.huber@embedded-brains.de>2024-03-18 14:47:59 +0100
committerSebastian Huber <sebastian.huber@embedded-brains.de>2024-03-27 20:22:53 +0100
commit4c2da2c3435ddeaa394b2351aa441c3bb1f3a7c9 (patch)
tree6b5a61acf3ad95c28fc6435c84845e6d8b7118c8 /bsps/shared/dev/serial/zynq-uart.c
parentbsps: Move declarations to <bsp/irq-generic.h> (diff)
downloadrtems-4c2da2c3435ddeaa394b2351aa441c3bb1f3a7c9.tar.bz2
dev/serial: Simplify some Zynq UART functions
Make the initialization and polled functions independent of the Termios context. This helps to implement the kernel I/O support without a dependency on the Termios framework.
Diffstat (limited to '')
-rw-r--r--bsps/shared/dev/serial/zynq-uart.c18
1 files changed, 13 insertions, 5 deletions
diff --git a/bsps/shared/dev/serial/zynq-uart.c b/bsps/shared/dev/serial/zynq-uart.c
index 390ee1f527..0489288271 100644
--- a/bsps/shared/dev/serial/zynq-uart.c
+++ b/bsps/shared/dev/serial/zynq-uart.c
@@ -67,14 +67,14 @@ static bool zynq_uart_first_open(
rtems_libio_open_close_args_t *args
)
{
-#ifdef ZYNQ_CONSOLE_USE_INTERRUPTS
zynq_uart_context *ctx = (zynq_uart_context *) base;
volatile zynq_uart *regs = ctx->regs;
+#ifdef ZYNQ_CONSOLE_USE_INTERRUPTS
rtems_status_code sc;
#endif
rtems_termios_set_initial_baud(tty, ZYNQ_UART_DEFAULT_BAUD);
- zynq_uart_initialize(base);
+ zynq_uart_initialize(regs);
#ifdef ZYNQ_CONSOLE_USE_INTERRUPTS
regs->rx_fifo_trg_lvl = 1;
@@ -109,15 +109,23 @@ static void zynq_uart_last_close(
}
#endif
+#ifndef ZYNQ_CONSOLE_USE_INTERRUPTS
+static int zynq_uart_read_polled(rtems_termios_device_context *base)
+{
+ zynq_uart_context *ctx = (zynq_uart_context *) base;
+ return zynq_uart_read_char_polled(ctx->regs);
+}
+#endif
+
static void zynq_uart_write_support(
rtems_termios_device_context *base,
const char *buf,
size_t len
)
{
-#ifdef ZYNQ_CONSOLE_USE_INTERRUPTS
zynq_uart_context *ctx = (zynq_uart_context *) base;
volatile zynq_uart *regs = ctx->regs;
+#ifdef ZYNQ_CONSOLE_USE_INTERRUPTS
regs->irq_dis = ZYNQ_UART_TEMPTY;
@@ -135,9 +143,9 @@ static void zynq_uart_write_support(
regs->irq_en = ZYNQ_UART_TEMPTY;
}
#else
- ssize_t i;
+ size_t i;
for (i = 0; i < len; ++i) {
- zynq_uart_write_polled(base, buf[i]);
+ zynq_uart_write_char_polled(regs, buf[i]);
}
#endif
}