diff options
| author | Karl Kurbjun <kkurbjun@gmail.com> | 2009-12-14 07:00:37 +0000 |
|---|---|---|
| committer | Karl Kurbjun <kkurbjun@gmail.com> | 2009-12-14 07:00:37 +0000 |
| commit | 86dd88c86e56d6ff92b311cdc1ce8f2047dd6425 (patch) | |
| tree | 69edd967077c582be5d443f61362b83d77a95a3a /firmware/target | |
| parent | 537832d3c6761aacf47c688840b93281a9a5a239 (diff) | |
M:Robe 500: Initialize UART1 pins with pin setup function
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@23988 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'firmware/target')
| -rw-r--r-- | firmware/target/arm/tms320dm320/uart-dm320.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/firmware/target/arm/tms320dm320/uart-dm320.c b/firmware/target/arm/tms320dm320/uart-dm320.c index 414072c929..6f83b7c3b7 100644 --- a/firmware/target/arm/tms320dm320/uart-dm320.c +++ b/firmware/target/arm/tms320dm320/uart-dm320.c @@ -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) { |