/**
* @author Vlado Handziski <handzisk@tkn.tu-berlin.de>
- * $Revision$ $Date$
+ * @author Philipp Huppertz <huppertz@tkn.tu-berlin.de>
*/
#ifndef _H_Msp430Usart_h
DEFINE_UNION_CAST(int2urctl,msp430_urctl_t,uint8_t)
typedef struct {
- unsigned int ubr: 16; //Clock division factor (>=0x0002)
- unsigned int ssel: 2; //Clock source (00=external UCLK [slave]; 01=ACLK [master]; 10=SMCLK [master]; 11=SMCLK [master])
- unsigned int clen: 1; //Character length (0=7-bit data; 1=8-bit data)
- unsigned int listen: 1; //Listen enable (0=disabled; 1=enabled, feed tx back to receiver)
+ unsigned int ubr: 16; //Clock division factor (>=0x0002)
+
+ unsigned int :1;
unsigned int mm: 1; //Master mode (0=slave; 1=master)
- unsigned int ckph: 1; //Clock phase (0=normal; 1=half-cycle delayed)
- unsigned int ckpl: 1; //Clock polarity (0=inactive is low && data at rising edge; 1=inverted)
+ unsigned int :1;
+ unsigned int listen: 1; //Listen enable (0=disabled; 1=enabled, feed tx back to receiver)
+ unsigned int clen: 1; //Character length (0=7-bit data; 1=8-bit data)
+ unsigned int: 3;
+
+ unsigned int:1;
unsigned int stc: 1; //Slave transmit (0=4-pin SPI && STE enabled; 1=3-pin SPI && STE disabled)
+ unsigned int:2;
+ unsigned int ssel: 2; //Clock source (00=external UCLK [slave]; 01=ACLK [master]; 10=SMCLK [master] 11=SMCLK [master]);
+ unsigned int ckpl: 1; //Clock polarity (0=inactive is low && data at rising edge; 1=inverted)
+ unsigned int ckph: 1; //Clock phase (0=normal; 1=half-cycle delayed)
unsigned int :0;
} msp430_spi_config_t;
-msp430_spi_config_t msp430_spi_default_config = {ubr: 0x0002, ssel: 0x02, clen: 1, listen: 0, mm: 1, ckph: 1, ckpl: 0, stc:1};
-
typedef struct {
- unsigned int ubr:16; //Baud rate (use enum msp430_uart_rate_t for predefined rates)
- unsigned int umctl: 8; //Modulation (use enum msp430_uart_rate_t for predefined rates)
- unsigned int ssel: 2; //Clock source (00=UCLKI; 01=ACLK; 10=SMCLK; 11=SMCLK)
- unsigned int pena: 1; //Parity enable (0=disabled; 1=enabled)
- unsigned int pev: 1; //Parity select (0=odd; 1=even)
- unsigned int spb: 1; //Stop bits (0=one stop bit; 1=two stop bits)
- unsigned int clen: 1; //Character length (0=7-bit data; 1=8-bit data)
- unsigned int listen: 1; //Listen enable (0=disabled; 1=enabled, feed tx back to receiver)
- unsigned int mm: 1; //Multiprocessor mode (0=idle-line protocol; 1=address-bit protocol)
- unsigned int :0;
- unsigned int ckpl: 1; //Clock polarity (0=normal; 1=inverted)
- unsigned int urxse: 1; //Receive start-edge detection (0=disabled; 1=enabled)
- unsigned int urxeie: 1; //Erroneous-character receive (0=rejected; 1=recieved and URXIFGx set)
- unsigned int urxwie: 1; //Wake-up interrupt-enable (0=all characters set URXIFGx; 1=only address sets URXIFGx)
-} msp430_uart_config_t;
+ uint16_t ubr;
+ uint8_t uctl;
+ uint8_t utctl;
+} msp430_spi_registers_t;
+
+typedef union {
+ msp430_spi_config_t spiConfig;
+ msp430_spi_registers_t spiRegisters;
+} msp430_spi_union_config_t;
+
+msp430_spi_union_config_t msp430_spi_default_config = {
+ {
+ ubr : 0x0002,
+ ssel : 0x02,
+ clen : 1,
+ listen : 0,
+ mm : 1,
+ ckph : 1,
+ ckpl : 0,
+ stc : 1
+ }
+};
+
+
+
+/**
+ The calculations were performed using the msp-uart.pl script:
+ msp-uart.pl -- calculates the uart registers for MSP430
+ Copyright (C) 2002 - Pedro Zorzenon Neto - pzn dot debian dot org
+ **/
typedef enum {
- /**
- The calculations were performed using the msp-uart.pl script:
- # msp-uart.pl -- calculates the uart registers for MSP430
- #
- # Copyright (C) 2002 - Pedro Zorzenon Neto - pzn dot debian dot org
- **/
-
//32KHZ = 32,768 Hz, 1MHZ = 1,048,576 Hz
UBR_32KHZ_1200=0x001B, UMCTL_32KHZ_1200=0x94,
UBR_32KHZ_1800=0x0012, UMCTL_32KHZ_1800=0x84,
UBR_32KHZ_2400=0x000D, UMCTL_32KHZ_2400=0x6D,
UBR_32KHZ_4800=0x0006, UMCTL_32KHZ_4800=0x77,
UBR_32KHZ_9600=0x0003, UMCTL_32KHZ_9600=0x29, // (Warning: triggers MSP430 errata US14)
-
+
UBR_1MHZ_1200=0x0369, UMCTL_1MHZ_1200=0x7B,
UBR_1MHZ_1800=0x0246, UMCTL_1MHZ_1800=0x55,
UBR_1MHZ_2400=0x01B4, UMCTL_1MHZ_2400=0xDF,
UBR_1MHZ_230400=0x0004, UMCTL_1MHZ_230400=0x55,
} msp430_uart_rate_t;
-msp430_uart_config_t msp430_uart_default_config = {ubr: UBR_1MHZ_57600, umctl: UMCTL_1MHZ_57600, ssel: 0x02, pena: 0, pev: 0, spb: 0, clen: 1, listen: 0, mm: 0, ckpl: 0, urxse: 0, urxeie: 1, urxwie: 0};
+typedef struct {
+ unsigned int ubr:16; //Baud rate (use enum msp430_uart_rate_t for predefined rates)
+
+ unsigned int umctl: 8; //Modulation (use enum msp430_uart_rate_t for predefined rates)
+
+ unsigned int :1;
+ unsigned int mm: 1; //Multiprocessor mode (0=idle-line protocol; 1=address-bit protocol)
+ unsigned int :1;
+ unsigned int listen: 1; //Listen enable (0=disabled; 1=enabled, feed tx back to receiver)
+ unsigned int clen: 1; //Character length (0=7-bit data; 1=8-bit data)
+ unsigned int spb: 1; //Stop bits (0=one stop bit; 1=two stop bits)
+ unsigned int pev: 1; //Parity select (0=odd; 1=even)
+ unsigned int pena: 1; //Parity enable (0=disabled; 1=enabled)
+ unsigned int :0;
+
+ unsigned int :3;
+ unsigned int urxse: 1; //Receive start-edge detection (0=disabled; 1=enabled)
+ unsigned int ssel: 2; //Clock source (00=UCLKI; 01=ACLK; 10=SMCLK; 11=SMCLK)
+ unsigned int ckpl: 1; //Clock polarity (0=normal; 1=inverted)
+ unsigned int :1;
+
+ unsigned int :2;
+ unsigned int urxwie: 1; //Wake-up interrupt-enable (0=all characters set URXIFGx; 1=only address sets URXIFGx)
+ unsigned int urxeie: 1; //Erroneous-character receive (0=rejected; 1=recieved and URXIFGx set)
+ unsigned int :4;
+ unsigned int :0;
+
+ unsigned int utxe:1; // 1:enable tx module
+ unsigned int urxe:1; // 1:enable rx module
+} msp430_uart_config_t;
+
+typedef struct {
+ uint16_t ubr;
+ uint8_t umctl;
+ uint8_t uctl;
+ uint8_t utctl;
+ uint8_t urctl;
+ uint8_t ume;
+} msp430_uart_registers_t;
+
+typedef union {
+ msp430_uart_config_t uartConfig;
+ msp430_uart_registers_t uartRegisters;
+} msp430_uart_union_config_t;
+
+msp430_uart_union_config_t msp430_uart_default_config = {
+ {
+ utxe : 1,
+ urxe : 1,
+ ubr : UBR_1MHZ_57600,
+ umctl : UMCTL_1MHZ_57600,
+ ssel : 0x02,
+ pena : 0,
+ pev : 0,
+ spb : 0,
+ clen : 1,
+ listen : 0,
+ mm : 0,
+ ckpl : 0,
+ urxse : 0,
+ urxeie : 1,
+ urxwie : 0,
+ utxe : 1,
+ urxe : 1
+ }
+};
+
+
+
+typedef struct {
+ unsigned int i2cstt: 1; // I2CSTT Bit 0 START bit. (0=No action; 1=Send START condition)
+ unsigned int i2cstp: 1; // I2CSTP Bit 1 STOP bit. (0=No action; 1=Send STOP condition)
+ unsigned int i2cstb: 1; // I2CSTB Bit 2 Start byte. (0=No action; 1=Send START condition and start byte (01h))
+ unsigned int i2cctrx: 1; //I2CTRX Bit 3 I2C transmit. (0=Receive mode; 1=Transmit mode) pin.
+ unsigned int i2cssel: 2; // I2C clock source select. (00=No clock; 01=ACLK; 10=SMCLK; 11=SMCLK)
+ unsigned int i2ccrm: 1; // I2C repeat mode
+ unsigned int i2cword: 1; // I2C word mode. Selects byte(=0) or word(=1) mode for the I2C data register.
+} __attribute__ ((packed)) msp430_i2ctctl_t;
+
+DEFINE_UNION_CAST(i2ctctl2int,uint8_t,msp430_i2ctctl_t)
+DEFINE_UNION_CAST(int2i2ctctl,msp430_i2ctctl_t,uint8_t)
typedef struct {
- unsigned int rxdmaen: 1; // Receive DMA enable. 0 = disabled.
- unsigned int txdmaen: 1; // Transmit DMA enable. 0 = disabled.
- unsigned int xa: 1; // Extended addressing. 0 = 7-bit addressing.
- unsigned int listen: 1; // Listen. 0 = disabled.
- unsigned int i2cword : 1; // Word mode. 0 = byte mode.
- unsigned int i2crm : 1; // Repeat mode. 0 = I2CNDAT.
- unsigned int i2cssel : 2; // Clock source select. 0=None, 1=ACLK, 2=SMCLK
- unsigned int i2cpsc : 8; // Clock prescaler.
- unsigned int i2csclh : 8; // Shift clock high register.
- unsigned int i2cscll : 8; // Shift clock low register.
+ unsigned int :1;
+ unsigned int mst: 1; //Master mode (0=slave; 1=master)
+ unsigned int :1;
+ unsigned int listen: 1; //Listen enable (0=disabled; 1=enabled, feed tx back to receiver)
+ unsigned int xa: 1; //Extended addressing (0=7-bit addressing; 1=8-bit addressing)
+ unsigned int :1;
+ unsigned int txdmaen: 1; //DMA to TX (0=disabled; 1=enabled)
+ unsigned int rxdmaen: 1; //RX to DMA (0=disabled; 1=enabled)
+
+ unsigned int :4;
+ unsigned int i2cssel: 2; //Clock source (00=disabled; 01=ACLK; 10=SMCLK; 11=SMCLK)
+ unsigned int i2crm: 1; //Repeat mode (0=use I2CNDAT; 1=count in software)
+ unsigned int i2cword: 1; //Word mode (0=byte mode; 1=word mode)
+
+ unsigned int i2cpsc: 8; //Clock prescaler (values >0x04 not recomended)
+
+ unsigned int i2csclh: 8; //High period (high period=[value+2]*i2cpsc; can not be lower than 5*i2cpsc)
+
+ unsigned int i2cscll: 8; //Low period (low period=[value+2]*i2cpsc; can not be lower than 5*i2cpsc)
+
unsigned int i2coa : 10; // Own address register.
+ unsigned int :6;
} msp430_i2c_config_t;
+
+typedef struct {
+ uint8_t uctl;
+ uint8_t i2ctctl;
+ uint8_t i2cpsc;
+ uint8_t i2csclh;
+ uint8_t i2cscll;
+ uint16_t i2coa;
+} msp430_i2c_registers_t;
+
+typedef union {
+ msp430_i2c_config_t i2cConfig;
+ msp430_i2c_registers_t i2cRegisters;
+} msp430_i2c_union_config_t;
-msp430_i2c_config_t msp430_i2c_default_config = {
- rxdmaen : 0,
- txdmaen : 0,
- xa : 0,
- listen : 0,
- i2cword : 0,
- i2crm : 1,
- i2cssel : 2,
- i2cpsc : 0,
- i2csclh : 3,
- i2cscll : 3,
- i2coa : 0,
+msp430_i2c_union_config_t msp430_i2c_default_config = {
+ {
+ rxdmaen : 0,
+ txdmaen : 0,
+ xa : 0,
+ listen : 0,
+ mst : 1,
+ i2cword : 0,
+ i2crm : 1,
+ i2cssel : 0x2,
+ i2cpsc : 0,
+ i2csclh : 0x3,
+ i2cscll : 0x3,
+ i2coa : 0,
+ }
};
+typedef uint8_t uart_speed_t;
+typedef uint8_t uart_parity_t;
+typedef uint8_t uart_duplex_t;
+
+enum {
+ TOS_UART_1200 = 0,
+ TOS_UART_1800 = 1,
+ TOS_UART_2400 = 2,
+ TOS_UART_4800 = 3,
+ TOS_UART_9600 = 4,
+ TOS_UART_19200 = 5,
+ TOS_UART_38400 = 6,
+ TOS_UART_57600 = 7,
+ TOS_UART_76800 = 8,
+ TOS_UART_115200 = 9,
+ TOS_UART_230400 = 10
+};
+
+enum {
+ TOS_UART_OFF,
+ TOS_UART_RONLY,
+ TOS_UART_TONLY,
+ TOS_UART_DUPLEX
+};
+
+enum {
+ TOS_UART_PARITY_NONE,
+ TOS_UART_PARITY_EVEN,
+ TOS_UART_PARITY_ODD
+};
#endif//_H_Msp430Usart_h