Cortex CMSIS style definition of MSP430 registers. More...

Detailed Description

Cortex CMSIS style definition of MSP430 registers.

Todo:: This file is incomplete, not all registers are listed. Further There are probably some inconsistencies throughout the MSP430 family which need to be addressed.

Author: Hauke Petersen hauke.nosp@m..pet.nosp@m.ersen.nosp@m.@fu-.nosp@m.berli.nosp@m.n.de

Definition in file msp430_regs_common.h.

#include <stdint.h>

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Data Structures
struct	msp430_port_t
	Common MSP GPIO Port Registers. More...

struct	msp430_port_p1_p2_t
	GPIO Port 1/2 (with interrupt functionality) More...

struct	msp430_port_p3_p6_t
	GPIO Port 3..6 (without interrupt functionality) More...

struct	msp430_timer_t
	Timer peripheral registers. More...

#define	REG8 volatile uint8_t
	Shortcut to specify 8-bit wide registers.

#define	REG16 volatile uint16_t
	Shortcut to specify 16-bit wide registers.

Timer SSEL Values
When using the macros in the vendor header files such as TASSEL_0 the actually used clock is non-obvious. Hence, provide aliases with obvious names.
#define	TXSSEL_TXCLK TASSEL_0
	External TxCLK as clock source.

#define	TXSSEL_ACLK TASSEL_1
	Auxiliary clock as clock source.

#define	TXSSEL_SMCLK TASSEL_2
	Sub-system master clock as clock source.

#define	TXSSEL_INCLK TASSEL_3
	External INCLK as clock source.

Timer Input Divider Values
The vendor header macros are again non-obvious in their naming, so provide better alias names.
#define	TXID_DIV_1 ID_0
	Input Divider: Divide by 1.

#define	TXID_DIV_2 ID_1
	Input Divider: Divide by 2.

#define	TXID_DIV_4 ID_2
	Input Divider: Divide by 4.

#define	TXID_DIV_8 ID_3
	Input Divider: Divide by 8.

#define	TXID_DIV_Msk ID_3
	Mask to get the TXID field.

#define	TXID_DIV_Pos 6U
	Position of the TXID field.

#define	TXID_DIV_MAX 3
	Maximum configuration value in the TXID field.

Timer Mode Control Values
The vendor header macros are again non-obvious in their naming, so provide better alies names.
#define	TXMC_STOP MC_0
	Stop Mode.

#define	TXMC_UP MC_1
	Up to CCR0 Mode.

#define	TXMC_CONT MC_2
	Continuous Mode.

#define	TXMC_UP_DOWN MC_3
	Up/Down Mode.

#define	TXMC_MASK MC_3
	Bitmask to retrieve MC field.

MSP430 Common Peripheral Register Maps
The addresses will be provided by the linker script using the vendor files.
msp430_port_p1_p2_t	PORT_1
	Register map of GPIO PORT 1.

msp430_port_p1_p2_t	PORT_2
	Register map of GPIO PORT 2.

msp430_port_p3_p6_t	PORT_3
	Register map of GPIO PORT 3.

msp430_port_p3_p6_t	PORT_4
	Register map of GPIO PORT 4.

msp430_port_p3_p6_t	PORT_5
	Register map of GPIO PORT 5.

msp430_port_p3_p6_t	PORT_6
	Register map of GPIO PORT 6.

msp430_timer_t	TIMER_A
	Register map of the timer A control registers.

REG16	TIMER_A_IRQFLAGS
	IRQ flags for TIMER_A.

REG16	TIMER_B_IRQFLAGS
	IRQ flags for TIMER_B.

msp430_timer_t	TIMER_B
	Register map of the timer B control registers.

Macro Definition Documentation

◆ REG16

#define REG16 volatile uint16_t

Shortcut to specify 16-bit wide registers.

Definition at line 40 of file msp430_regs_common.h.

◆ REG8

#define REG8 volatile uint8_t

Shortcut to specify 8-bit wide registers.

Definition at line 35 of file msp430_regs_common.h.

◆ TXID_DIV_1

#define TXID_DIV_1 ID_0

Input Divider: Divide by 1.

Definition at line 63 of file msp430_regs_common.h.

◆ TXID_DIV_2

#define TXID_DIV_2 ID_1

Input Divider: Divide by 2.

Definition at line 64 of file msp430_regs_common.h.

◆ TXID_DIV_4

#define TXID_DIV_4 ID_2

Input Divider: Divide by 4.

Definition at line 65 of file msp430_regs_common.h.

◆ TXID_DIV_8

#define TXID_DIV_8 ID_3

Input Divider: Divide by 8.

Definition at line 66 of file msp430_regs_common.h.

◆ TXID_DIV_MAX

#define TXID_DIV_MAX 3

Maximum configuration value in the TXID field.

Definition at line 69 of file msp430_regs_common.h.

◆ TXID_DIV_Msk

#define TXID_DIV_Msk ID_3

Mask to get the TXID field.

Definition at line 67 of file msp430_regs_common.h.

◆ TXID_DIV_Pos

#define TXID_DIV_Pos 6U

Position of the TXID field.

Definition at line 68 of file msp430_regs_common.h.

◆ TXMC_CONT

#define TXMC_CONT MC_2

Continuous Mode.

Definition at line 81 of file msp430_regs_common.h.

◆ TXMC_MASK

#define TXMC_MASK MC_3

Bitmask to retrieve MC field.

Definition at line 83 of file msp430_regs_common.h.

◆ TXMC_STOP

#define TXMC_STOP MC_0

Stop Mode.

Definition at line 79 of file msp430_regs_common.h.

◆ TXMC_UP

#define TXMC_UP MC_1

Up to CCR0 Mode.

Definition at line 80 of file msp430_regs_common.h.

◆ TXMC_UP_DOWN

#define TXMC_UP_DOWN MC_3

Up/Down Mode.

Definition at line 82 of file msp430_regs_common.h.

◆ TXSSEL_ACLK

#define TXSSEL_ACLK TASSEL_1

Auxiliary clock as clock source.

Definition at line 51 of file msp430_regs_common.h.

◆ TXSSEL_INCLK

#define TXSSEL_INCLK TASSEL_3

External INCLK as clock source.

Definition at line 53 of file msp430_regs_common.h.

◆ TXSSEL_SMCLK

#define TXSSEL_SMCLK TASSEL_2

Sub-system master clock as clock source.

Definition at line 52 of file msp430_regs_common.h.

◆ TXSSEL_TXCLK

#define TXSSEL_TXCLK TASSEL_0

External TxCLK as clock source.

Definition at line 50 of file msp430_regs_common.h.

Variable Documentation

◆ TIMER_A_IRQFLAGS

REG16 TIMER_A_IRQFLAGS

extern

IRQ flags for TIMER_A.

Called TAIV in the data sheet / vendor files. This shallow alias makes the name more readable and does impedance matching for the type (volatile uint16_t vs volatile short).

◆ TIMER_B_IRQFLAGS

REG16 TIMER_B_IRQFLAGS