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| // ************************************************************************************* |
| // |
| // Filename: hal_SPI.h: |
| // Declarations for Communication with the MMC (see mmc.c) in unprotected SPI mode. |
| // |
| // Version 1.1 |
| // added ul declaration in macros mmcWriteSector and mmcReadSector |
| // ************************************************************************************* |
| |
| #ifndef _SPILIB_H |
| #define _SPILIB_H |
| |
| #include "hal_hardware_board.h" |
| |
| //---------------------------------------------------------------------------- |
| // These constants are used to identify the chosen SPI and UART |
| // interfaces. |
| //---------------------------------------------------------------------------- |
| #define SER_INTF_NULL 0 |
| #define SER_INTF_USART0 1 |
| #define SER_INTF_USART1 2 |
| #define SER_INTF_USCIA0 3 |
| #define SER_INTF_USCIA1 4 |
| #define SER_INTF_USCIB0 5 |
| #define SER_INTF_USCIB1 6 |
| #define SER_INTF_USI 7 |
| #define SER_INTF_BITBANG 8 |
| |
| |
| #if SPI_SER_INTF == SER_INTF_USART0 |
| #define halSPIRXBUF U0RXBUF |
| #define halSPI_SEND(x) U0TXBUF=x |
| #define halSPITXREADY (IFG1&UTXIFG0) /* Wait for TX to be ready */ |
| #define halSPITXDONE (U0TCTL&TXEPT) /* Wait for TX to finish */ |
| #define halSPIRXREADY (IFG1&URXIFG0) /* Wait for TX to be ready */ |
| #define halSPIRXFG_CLR IFG1 &= ~URXIFG0 |
| #define halSPI_PxIN SPI_USART0_PxIN |
| #define halSPI_SOMI SPI_USART0_SOMI |
| |
| #elif SPI_SER_INTF == SER_INTF_USART1 |
| #define halSPIRXBUF U1RXBUF |
| #define halSPI_SEND(x) U1TXBUF=x |
| #define halSPITXREADY (IFG2&UTXIFG1) /* Wait for TX to be ready */ |
| #define halSPITXDONE (U1TCTL&TXEPT) /* Wait for TX to finish */ |
| #define halSPIRXREADY (IFG2&URXIFG1) /* Wait for TX to be ready */ |
| #define halSPIRXFG_CLR IFG2 &= ~URXIFG1 |
| #define halSPI_PxIN SPI_USART1_PxIN |
| #define halSPI_SOMI SPI_USART1_SOMI |
| |
| #elif SPI_SER_INTF == SER_INTF_USCIA0 |
| #define halSPIRXBUF UCA0RXBUF |
| #define halSPI_SEND(x) UCA0TXBUF=x |
| #define halSPITXREADY (IFG2&UCA0TXIFG) /* Wait for TX to be ready */ |
| #define halSPITXDONE !(UCA0STAT&UCBUSY) /* Wait for TX to finish */ |
| #define halSPIRXREADY (IFG2&UCB0RXIFG) /* Wait for TX to be ready */ |
| #define halSPIRXFG_CLR IFG2 &= ~UCA0RXIFG |
| #define halSPI_PxIN SPI_USART0_PxIN |
| #define halSPI_SOMI SPI_USART0_SOMI |
| |
| #elif SPI_SER_INTF == SER_INTF_USCIA1 |
| #define halSPIRXBUF UCA1RXBUF |
| #define halSPI_SEND(x) UCA1TXBUF=x |
| #define halSPITXREADY (UC1IFG&UCA1TXIFG) /* Wait for TX to be ready */ |
| #define halSPITXDONE !(UCA1STAT&UCBUSY) /* Wait for TX to finish */ |
| #define halSPIRXREADY (UC1IFG&UCA1RXIFG) /* Wait for TX to be ready */ |
| #define halSPIRXFG_CLR UC1IFG &= ~UCA1RXIFG |
| #define halSPI_PxIN SPI_USART0_PxIN |
| #define halSPI_SOMI SPI_USART0_SOMI |
| |
| #elif SPI_SER_INTF == SER_INTF_USCIB0 |
| #define halSPIRXBUF UCB0RXBUF |
| #define halSPI_SEND(x) UCB0TXBUF=x |
| #define halSPITXREADY (UC0IFG&UCB0TXIFG) /* Wait for TX to be ready */ |
| #define halSPITXDONE !(UCB0STAT&UCBUSY) /* Wait for TX to finish */ |
| #define halSPIRXREADY (UC0IFG&UCB0RXIFG) /* Wait for TX to be ready */ |
| #define halSPIRXFG_CLR UC0IFG &= ~UCB0RXIFG |
| #define halSPI_PxIN SPI_USART0_PxIN |
| #define halSPI_SOMI SPI_USART0_SOMI |
| |
| #elif SPI_SER_INTF == SER_INTF_USCIB1 |
| #define halSPIRXBUF UCB1RXBUF |
| #define halSPI_SEND(x) UCB1TXBUF=x |
| #define halSPITXREADY (UC1IFG&UCB1TXIFG) /* Wait for TX to be ready */ |
| #define halSPITXDONE !(UCB1STAT&UCBUSY) /* Wait for TX to finish */ |
| #define halSPIRXREADY (UC1IFG&UCB1RXIFG) /* Wait for TX to be ready */ |
| #define halSPIRXFG_CLR UC1IFG &= ~UCB1RXIFG |
| #define halSPI_PxIN SPI_USART0_PxIN |
| #define halSPI_SOMI SPI_USART0_SOMI |
| |
| #elif SPI_SER_INTF == SER_INTF_USI |
| #define halSPIRXBUF USISRL |
| #define halSPI_SEND(x) USISRL = x; USICNT = 8 |
| #define halSPITXREADY (USICTL1&USIIFG) |
| #define halSPITXDONE (USICTL1&USIIFG) |
| #define halSPIRXREADY (USICTL1&USIIFG) |
| #define halSPIRXFG_CLR |
| #define halSPI_PxIN SPI_BITBANG_PxIN |
| #define halSPI_SOMI SPI_BITBANG_SOMI |
| |
| #elif SPI_SER_INTF == SER_INTF_BITBANG |
| #define halSPIRXBUF spi_bitbang_in_data |
| #define halSPI_SEND(x) spi_bitbang_inout(x) |
| #define halSPITXREADY 1 |
| #define halSPITXDONE 1 |
| #define halSPIRXREADY 1 |
| #define halSPIRXFG_CLR |
| #define halSPI_PxIN SPI_BITBANG_PxIN |
| #define halSPI_SOMI SPI_BITBANG_SOMI |
| #endif |
| |
| // Variables |
| #define DUMMY_CHAR 0xFF |
| |
| // Function Prototypes |
| void halSPISetup (void); |
| unsigned char spiSendByte(const unsigned char data); |
| unsigned char spiReadFrame(unsigned char* pBuffer, unsigned int size); |
| unsigned char spiSendFrame(unsigned char* pBuffer, unsigned int size); |
| void halSPISetSpeedHigh(void); |
| void halSPISetSpeedLow(void); |
| void halSPISetPolarityPhase(char polarity, char phase); |
| |
| |
| #endif /* _SPILIB_H */ |