summaryrefslogtreecommitdiffstats
path: root/Bachelor/Mikroprozessorsysteme2/mi2/h/usart.h
diff options
context:
space:
mode:
authorSven Eisenhauer <sven@sven-eisenhauer.net>2023-11-10 15:11:48 +0100
committerSven Eisenhauer <sven@sven-eisenhauer.net>2023-11-10 15:11:48 +0100
commit33613a85afc4b1481367fbe92a17ee59c240250b (patch)
tree670b842326116b376b505ec2263878912fca97e2 /Bachelor/Mikroprozessorsysteme2/mi2/h/usart.h
downloadStudium-33613a85afc4b1481367fbe92a17ee59c240250b.tar.gz
Studium-33613a85afc4b1481367fbe92a17ee59c240250b.tar.bz2
add new repoHEADmaster
Diffstat (limited to 'Bachelor/Mikroprozessorsysteme2/mi2/h/usart.h')
-rw-r--r--Bachelor/Mikroprozessorsysteme2/mi2/h/usart.h120
1 files changed, 120 insertions, 0 deletions
diff --git a/Bachelor/Mikroprozessorsysteme2/mi2/h/usart.h b/Bachelor/Mikroprozessorsysteme2/mi2/h/usart.h
new file mode 100644
index 0000000..d96656d
--- /dev/null
+++ b/Bachelor/Mikroprozessorsysteme2/mi2/h/usart.h
@@ -0,0 +1,120 @@
+//*-----------------------------------------------------------------------------
+//* File Name : usart.h
+//* Object : USART Header File.
+//*
+//* 1.0 27/10/02 GR : Creation
+//*----------------------------------------------------------------------------
+
+#ifndef usart_h
+#define usart_h
+
+#include "std_c.h"
+
+
+/*-------------------------------------------*/
+/* USART User Interface Structure Definition */
+/*-------------------------------------------*/
+
+typedef struct
+{
+ at91_reg US_CR ; /* Control Register */
+ at91_reg US_MR ; /* Mode Register */
+ at91_reg US_IER ; /* Interrupt Enable Register */
+ at91_reg US_IDR ; /* Interrupt Disable Register */
+ at91_reg US_IMR ; /* Interrupt Mask Register */
+ at91_reg US_CSR ; /* Channel Status Register */
+ at91_reg US_RHR ; /* Receive Holding Register */
+ at91_reg US_THR ; /* Transmit Holding Register */
+ at91_reg US_BRGR ; /* Baud Rate Generator Register */
+ at91_reg US_RTOR ; /* Receiver Timeout Register */
+ at91_reg US_TTGR ; /* Transmitter Time-guard Register */
+ at91_reg Reserved ;
+ at91_reg US_RPR ; /* Receiver Pointer Register */
+ at91_reg US_RCR ; /* Receiver Counter Register */
+ at91_reg US_TPR ; /* Transmitter Pointer Register */
+ at91_reg US_TCR ; /* Transmitter Counter Register */
+} StructUSART ;
+
+/*--------------------------*/
+/* US_CR : Control Register */
+/*--------------------------*/
+
+#define US_RSTRX 0x0004 /* Reset Receiver */
+#define US_RSTTX 0x0008 /* Reset Transmitter */
+#define US_RXEN 0x0010 /* Receiver Enable */
+#define US_RXDIS 0x0020 /* Receiver Disable */
+#define US_TXEN 0x0040 /* Transmitter Enable */
+#define US_TXDIS 0x0080 /* Transmitter Disable */
+#define US_RSTSTA 0x0100 /* Reset Status Bits */
+#define US_STTBRK 0x0200 /* Start Break */
+#define US_STPBRK 0x0400 /* Stop Break */
+#define US_STTTO 0x0800 /* Start Time-out */
+#define US_SENDA 0x1000 /* Send Address */
+
+/*-----------------------*/
+/* US_MR : Mode Register */
+/*-----------------------*/
+
+#define US_CLKS 0x0030 /* Clock Selection */
+#define US_CLKS_MCK 0x00 /* Master Clock */
+#define US_CLKS_MCK8 0x10 /* Master Clock divided by 8 */
+#define US_CLKS_SCK 0x20 /* External Clock */
+#define US_CLKS_SLCK 0x30 /* Slow Clock */
+
+#define US_CHRL 0x00C0 /* Byte Length */
+#define US_CHRL_5 0x00 /* 5 bits */
+#define US_CHRL_6 0x40 /* 6 bits */
+#define US_CHRL_7 0x80 /* 7 bits */
+#define US_CHRL_8 0xC0 /* 8 bits */
+
+#define US_SYNC 0x0100 /* Synchronous Mode Enable */
+
+#define US_PAR 0x0E00 /* Parity Mode */
+#define US_PAR_EVEN 0x00 /* Even Parity */
+#define US_PAR_ODD 0x200 /* Odd Parity */
+#define US_PAR_SPACE 0x400 /* Space Parity to 0 */
+#define US_PAR_MARK 0x600 /* Marked Parity to 1 */
+#define US_PAR_NO 0x800 /* No Parity */
+#define US_PAR_MULTIDROP 0xC00 /* Multi-drop Mode */
+
+#define US_NBSTOP 0x3000 /* Stop Bit Number */
+#define US_NBSTOP_1 0x0000 /* 1 Stop Bit */
+#define US_NBSTOP_1_5 0x1000 /* 1.5 Stop Bits */
+#define US_NBSTOP_2 0x2000 /* 2 Stop Bits */
+
+#define US_CHMODE 0xC000 /* Channel Mode */
+#define US_CHMODE_NORMAL 0x0000 /* Normal Mode */
+#define US_CHMODE_AUTOMATIC_ECHO 0x4000 /* Automatic Echo */
+#define US_CHMODE_LOCAL_LOOPBACK 0x8000 /* Local Loopback */
+#define US_CHMODE_REMOTE_LOOPBACK 0xC000 /* Remote Loopback */
+
+#define US_MODE9 0x20000 /* 9 Bit Mode */
+
+#define US_CLKO 0x40000 /* Baud Rate Output Enable */
+
+
+/*---------------------------------------------------------------*/
+/* US_IER, US_IDR, US_IMR, US_IMR: Status and Interrupt Register */
+/*---------------------------------------------------------------*/
+
+#define US_RXRDY 0x001 /* Receiver Ready */
+#define US_TXRDY 0x002 /* Transmitter Ready */
+#define US_RXBRK 0x004 /* Receiver Break */
+#define US_ENDRX 0x008 /* End of Receiver PDC Transfer */
+#define US_ENDTX 0x010 /* End of Transmitter PDC Transfer */
+#define US_OVRE 0x020 /* Overrun Error */
+#define US_FRAME 0x040 /* Framing Error */
+#define US_PARE 0x080 /* Parity Error */
+#define US_TIMEOUT 0x100 /* Receiver Timeout */
+#define US_TXEMPTY 0x200 /* Transmitter Empty */
+
+#define US_MASK_IRQ_TX (US_TXRDY | US_ENDTX | US_TXEMPTY)
+#define US_MASK_IRQ_RX (US_RXRDY | US_ENDRX | US_TIMEOUT)
+#define US_MASK_IRQ_ERROR (US_PARE | US_FRAME | US_OVRE | US_RXBRK)
+
+
+#define USART2 ((StructUSART*)0xFFFC8000) /* USART 2 */
+#define USART1 ((StructUSART*)0xFFFC4000) /* USART 1 */
+#define USART0 ((StructUSART*)0xFFFC0000) /* USART 0 */
+
+#endif /* usart_h */