msp430: 115200 baud entries for 2 and 4 MiHz SMCLK

[tinyos-2.x.git] / tos / chips / msp430 / usci / Msp430Usci.h

diff --git a/tos/chips/msp430/usci/Msp430Usci.h b/tos/chips/msp430/usci/Msp430Usci.h
index 541311136479c9de31a9be20609d085bfc5966da..69eadec1d16529b2bbf1e93c7a5efe001c07119b 100644 (file)
--- 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 <smckown@gmail.com>
+ *
+ * @author R. Steve McKown <rsmckown@gmail.com>
  */
- 
+
 #ifndef MSP430_USCI_h
 #define MSP430_USCI_h
 
@@ -60,15 +60,54 @@ 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_2MHZ_115200=18, UMCTL_2MHZ_115200=(8 << 4) + (2 << 1) + 0,
+  UBRX_4MHZ_115200=36, UMCTL_4MHZ_115200=(2 << 4) + (4 << 1) + 0,
+  UBRX_1E6HZ_9600=104, UMCTL_1E6HZ_9600=(0 << 4) + (1 << 1) + 0,
+  UBRX_1E6HZ_19200=52, UMCTL_1E6HZ_19200=(0 << 4) + (0 << 1) + 0,
+  UBRX_1E6HZ_115200=8, UMCTL_1E6HZ_115200=(0 << 4) + (6 << 1) + 0,
+} msp430_usci_uart_rate_t;
+
 typedef struct {
   uint8_t ctl0;
   uint8_t ctl1;
@@ -77,32 +116,24 @@ 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;
 
 typedef struct {
   uint8_t ctl0;
   uint8_t ctl1;
   uint16_t brx;
-  uint8_t mctl; /* ??? */
+  bool uclisten;
   msp430_ren_t ren;
-} __attribute__ ((packed)) msp430_usci_spi_t;
+} msp430_usci_spi_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_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 union {
-  msp430_usci_uart_t uart;
-  msp430_usci_spi_t spi;
-} __attribute__ ((packed)) msp430_usci_config_t;
+typedef struct {
+  uint8_t ctl0;
+  uint8_t ctl1;
+  uint16_t brx;
+  uint8_t i2coa;
+  msp430_ren_t ren;
+} msp430_usci_i2c_t;
 
 #endif