len0rd/rockbox
1
0
Fork 1
mirror of https://github.com/Rockbox/rockbox.git synced 2025-12-09 05:05:20 -05:00
Code Issues Projects Releases Packages Wiki Activity Actions

M:Robe 500: Initialize UART1 pins with pin setup function

Browse source 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@23988 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Karl Kurbjun 2009-12-14 07:00:37 +00:00
parent 537832d3c6
commit 86dd88c86e
1 changed files with 9 additions and 5 deletions
Download patch file Download diff file Expand all files Collapse all files

14
firmware/target/arm/tms320dm320/uart-dm320.c
View file

@ -38,15 +38,20 @@ static volatile int uart1_receive_count, uart1_receive_read, uart1_receive_write
void uart_init(void)
{
/* Setup UART 1 pins:
* 27 - input, uart1 rx
* 28 - output, uart1 tx */
/* 27: input , non-inverted, no-irq, falling edge, no-chat, UART RX */
dm320_set_io(27, true, false, false, false, false, 0x01);
/* 28: output, non-inverted, no-irq, falling edge, no-chat, UART TX */
dm320_set_io(28, false, false, false, false, false, 0x01);
// 8-N-1
IO_UART1_MSR = 0xC400;
IO_UART1_BRSR = 0x0057;
IO_UART1_RFCR = 0x8020; /* Trigger later */
IO_UART1_TFCR = 0x0000; /* Trigger level */
/* gio 27 is input, uart1 rx
gio 28 is output, uart1 tx */
IO_GIO_DIR1 |= (1<<11); /* gio 27 */
IO_GIO_DIR1 &= ~(1<<12); /* gio 28 */
/* init the receive buffer */
uart1_receive_count=0;
@ -62,7 +67,6 @@ void uart_init(void)
IO_INTC_EINT0 |= INTR_EINT0_UART1;
}
/* This function is not interrupt driven */
void uart1_putc(char ch)
{