X-Git-Url: https://oss.titaniummirror.com/gitweb/?a=blobdiff_plain;f=tos%2Fchips%2Fmsp430%2Fusci%2FMsp430Usci.h;h=88e4c90198b48e7470c6ea56f09d2cc6d503dfdb;hb=e9bfab607e051bae6afb47b44892ce37541d1b44;hp=880a92da8a56bbfc27d5431dffc7dc80ba2a5a37;hpb=b054fbe2a8deacc35f0067deb15274da53d96984;p=tinyos-2.x.git diff --git a/tos/chips/msp430/usci/Msp430Usci.h b/tos/chips/msp430/usci/Msp430Usci.h index 880a92da..88e4c901 100644 --- a/tos/chips/msp430/usci/Msp430Usci.h +++ b/tos/chips/msp430/usci/Msp430Usci.h @@ -26,7 +26,7 @@ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ - + /** * Header definitions for the USCI peripheral in newer msp430 processors. * A USCI peripheral provides two communications devices, denoted A and B. @@ -38,10 +38,10 @@ * * A devices offer UART, LIN, IrDA and SPI modes of operation. B parts are * limited to SPI and I2C modes. - * - * @author R. Steve McKown + * + * @author R. Steve McKown */ - + #ifndef MSP430_USCI_h #define MSP430_USCI_h @@ -60,15 +60,51 @@ typedef enum typedef enum { USCI_REN_NONE = 0, - USCI_REN_RX = 0x08, - USCI_REN_RX_PULLUP = USCI_REN_RX + 0x01, - USCI_REN_RX_PULLDOWN = USCI_REN_RX + 0x02, + /* For use in UART mode */ + USCI_REN_TX = 0x03, + USCI_REN_TX_PULLUP = 0x01, + USCI_REN_TX_PULLDOWN = 0x02, + USCI_REN_RX = 0x0c, + USCI_REN_RX_PULLUP = 0x04, + USCI_REN_RX_PULLDOWN = 0x08, + + /* For use in SPI mode */ + USCI_REN_STE = 0x30, + USCI_REN_STE_PULLUP = 0x10, + USCI_REN_STE_PULLDOWN = 0x20, + USCI_REN_SIMO = USCI_REN_TX, + USCI_REN_SIMO_PULLUP = USCI_REN_TX_PULLUP, + USCI_REN_SIMO_PULLDOWN = USCI_REN_TX_PULLDOWN, + USCI_REN_SOMI = USCI_REN_RX, + USCI_REN_SOMI_PULLUP = USCI_REN_RX_PULLUP, + USCI_REN_SOMI_PULLDOWN = USCI_REN_RX_PULLDOWN, + USCI_REN_CLK = 0xc0, + USCI_REN_CLK_PULLUP = 0x40, + USCI_REN_CLK_PULLDOWN = 0x80, - USCI_REN_TX = 0x80, - USCI_REN_TX_PULLUP = USCI_REN_TX + 0x10, - USCI_REN_TX_PULLDOWN = USCI_REN_TX + 0x20 + /* For use in I2C mode */ + USCI_REN_SDA = USCI_REN_TX, + USCI_REN_SDA_PULLUP = USCI_REN_TX_PULLUP, + USCI_REN_SDA_PULLDOWN = USCI_REN_TX_PULLDOWN, + USCI_REN_SCL = USCI_REN_RX, + USCI_REN_SCL_PULLUP = USCI_REN_RX_PULLUP, + USCI_REN_SCL_PULLDOWN = USCI_REN_RX_PULLDOWN } msp430_ren_t; +/* Baud rates for UART mode. Only 32KHz modes work right now. */ +typedef enum { + /* UCOS16=0. UMCTL = UCBRFx << 4 + UCBRSx << 1 + UCOS16. + * 1MHZ = 1,048576HZ, 1E6MHZ = 1,000,000HZ. + */ + UBRX_32768HZ_9600=3, UMCTL_32768HZ_9600=(0 << 4) + (3 << 1) + 0, + UBRX_1MHZ_9600=109, UMCTL_1MHZ_9600=(0 << 4) + (2 << 1) + 0, + UBRX_1MHZ_19200=54, UMCTL_1MHZ_19200=(0 << 4) + (5 << 1) + 0, + UBRX_1MHZ_38400=27, UMCTL_1MHZ_38400=(0 << 4) + (2 << 1) + 0, + UBRX_1MHZ_115200=9, UMCTL_1MHZ_115200=(0 << 4) + (1 << 1) + 0, + UBRX_1E6MHZ_9600=104, UMCTL_1E6MHZ_9600=(0 << 4) + (1 << 1) + 0, + UBRX_1E6MHZ_115200=8, UMCTL_1E6MHZ_115200=(0 << 4) + (6 << 1) + 0, +} msp430_usci_uart_rate_t; + typedef struct { uint8_t ctl0; uint8_t ctl1; @@ -77,19 +113,27 @@ typedef struct { uint8_t irtctl; uint8_t irrctl; uint8_t abctl; + bool uclisten; msp430_ren_t ren; -} __attribute__ ((packed)) msp430_usci_uart_t; +} msp430_usci_uart_t; -/* Baud rates for UART mode. Only 32KHz modes work right now. */ -typedef enum { - /* UCOS16=0. UMCTL = UCBRFx << 4 + UCBRSx << 1 + UCOS16. */ - UBRX_32768HZ_9600=3, UMCTL_32768HZ_9600=(0 << 4) + (3 << 1) + 0, - UBRX_1MHZ_9600=109, UMCTL_1MHZ_9600=(0 << 4) + (2 << 1) + 0, - UBRX_1MHZ_115200=9, UMCTL_1MHZ_115200=(0 << 4) + (1 << 1) + 0, -} msp430_usci_uart_rate_t; +typedef struct { + uint8_t ctl0; + uint8_t ctl1; + uint16_t brx; + bool uclisten; + msp430_ren_t ren; +} msp430_usci_spi_t; -typedef union { - msp430_usci_uart_t uart; -} __attribute__ ((packed)) msp430_usci_config_t; +typedef struct { + uint8_t ctl0; + uint8_t ctl1; + uint16_t brx; + uint8_t i2cie; + uint8_t i2coa; + uint8_t i2csa; + bool uclisten; + msp430_ren_t ren; +} msp430_usci_i2c_t; #endif