mirror of
https://github.com/oliverschmidt/contiki.git
synced 2024-09-09 23:54:32 +00:00
Renamed SPI_WAITFOREOTxBUF to SPI_WAITFORTxREADY for clarity and generalized SPI transmission status checks to work with both AVR and MSP430
This commit is contained in:
parent
9d7bdad864
commit
d4b619bcc5
@ -1,9 +1,22 @@
|
|||||||
/* -*- C -*- */
|
/* -*- C -*- */
|
||||||
/* @(#)$Id: spi.h,v 1.5 2009/08/31 12:06:34 nifi Exp $ */
|
/* @(#)$Id: spi.h,v 1.6 2009/09/07 11:31:26 nifi Exp $ */
|
||||||
|
|
||||||
#ifndef SPI_H
|
#ifndef SPI_H
|
||||||
#define SPI_H
|
#define SPI_H
|
||||||
|
|
||||||
|
/* Define macros to use for checking SPI transmission status depending
|
||||||
|
on if it is possible to wait for TX buffer ready. This is possible
|
||||||
|
on for example MSP430 but not on AVR. */
|
||||||
|
#ifdef SPI_WAITFORTxREADY
|
||||||
|
#define SPI_WAITFORTx_BEFORE() SPI_WAITFORTxREADY()
|
||||||
|
#define SPI_WAITFORTx_AFTER()
|
||||||
|
#define SPI_WAITFORTx_ENDED() SPI_WAITFOREOTx()
|
||||||
|
#else /* SPI_WAITFORTxREADY */
|
||||||
|
#define SPI_WAITFORTx_BEFORE()
|
||||||
|
#define SPI_WAITFORTx_AFTER() SPI_WAITFOREOTx()
|
||||||
|
#define SPI_WAITFORTx_ENDED()
|
||||||
|
#endif /* SPI_WAITFORTxREADY */
|
||||||
|
|
||||||
extern unsigned char spi_busy;
|
extern unsigned char spi_busy;
|
||||||
|
|
||||||
void spi_init(void);
|
void spi_init(void);
|
||||||
@ -20,8 +33,9 @@ void spi_init(void);
|
|||||||
|
|
||||||
#define FASTSPI_TX(x)\
|
#define FASTSPI_TX(x)\
|
||||||
do {\
|
do {\
|
||||||
SPI_WAITFOREOTxBUF();\
|
SPI_WAITFORTx_BEFORE();\
|
||||||
SPI_TXBUF = x;\
|
SPI_TXBUF = x;\
|
||||||
|
SPI_WAITFORTx_AFTER();\
|
||||||
} while(0)
|
} while(0)
|
||||||
|
|
||||||
#define FASTSPI_RX(x)\
|
#define FASTSPI_RX(x)\
|
||||||
@ -46,7 +60,7 @@ void spi_init(void);
|
|||||||
for (spiCnt = 0; spiCnt < (c); spiCnt++) {\
|
for (spiCnt = 0; spiCnt < (c); spiCnt++) {\
|
||||||
FASTSPI_TX(((u8_t*)(p))[spiCnt]);\
|
FASTSPI_TX(((u8_t*)(p))[spiCnt]);\
|
||||||
}\
|
}\
|
||||||
SPI_WAITFOREOTx();\
|
SPI_WAITFORTx_ENDED();\
|
||||||
} while(0)
|
} while(0)
|
||||||
|
|
||||||
|
|
||||||
@ -94,7 +108,7 @@ void spi_init(void);
|
|||||||
FASTSPI_TX_ADDR(a);\
|
FASTSPI_TX_ADDR(a);\
|
||||||
FASTSPI_TX((u8_t) ((v) >> 8));\
|
FASTSPI_TX((u8_t) ((v) >> 8));\
|
||||||
FASTSPI_TX((u8_t) (v));\
|
FASTSPI_TX((u8_t) (v));\
|
||||||
SPI_WAITFOREOTx();\
|
SPI_WAITFORTx_ENDED();\
|
||||||
SPI_DISABLE();\
|
SPI_DISABLE();\
|
||||||
} while (0)
|
} while (0)
|
||||||
|
|
||||||
@ -135,7 +149,7 @@ void spi_init(void);
|
|||||||
for (i = 0; i < (c); i++) {\
|
for (i = 0; i < (c); i++) {\
|
||||||
FASTSPI_TX(((u8_t*)(p))[i]);\
|
FASTSPI_TX(((u8_t*)(p))[i]);\
|
||||||
}\
|
}\
|
||||||
SPI_WAITFOREOTx();\
|
SPI_WAITFORTx_ENDED();\
|
||||||
SPI_DISABLE();\
|
SPI_DISABLE();\
|
||||||
} while (0)
|
} while (0)
|
||||||
|
|
||||||
@ -145,7 +159,7 @@ void spi_init(void);
|
|||||||
for (u8_t spiCnt = 0; spiCnt < (c); spiCnt++) {\
|
for (u8_t spiCnt = 0; spiCnt < (c); spiCnt++) {\
|
||||||
FASTSPI_TX(((u8_t*)(p))[spiCnt]);\
|
FASTSPI_TX(((u8_t*)(p))[spiCnt]);\
|
||||||
}\
|
}\
|
||||||
SPI_WAITFOREOTx();\
|
SPI_WAITFORTx_ENDED();\
|
||||||
} while (0)
|
} while (0)
|
||||||
|
|
||||||
#define FASTSPI_READ_FIFO_BYTE(b)\
|
#define FASTSPI_READ_FIFO_BYTE(b)\
|
||||||
@ -212,7 +226,7 @@ void spi_init(void);
|
|||||||
for (n = 0; n < (c); n++) {\
|
for (n = 0; n < (c); n++) {\
|
||||||
FASTSPI_TX(((u8_t*)(p))[n]);\
|
FASTSPI_TX(((u8_t*)(p))[n]);\
|
||||||
}\
|
}\
|
||||||
SPI_WAITFOREOTx();\
|
SPI_WAITFORTx_ENDED();\
|
||||||
SPI_DISABLE();\
|
SPI_DISABLE();\
|
||||||
} while (0)
|
} while (0)
|
||||||
|
|
||||||
|
@ -1,5 +1,5 @@
|
|||||||
/* -*- C -*- */
|
/* -*- C -*- */
|
||||||
/* @(#)$Id: contiki-conf.h,v 1.5 2009/09/01 09:29:40 nifi Exp $ */
|
/* @(#)$Id: contiki-conf.h,v 1.6 2009/09/07 11:31:26 nifi Exp $ */
|
||||||
|
|
||||||
#ifndef CONTIKI_CONF_H
|
#ifndef CONTIKI_CONF_H
|
||||||
#define CONTIKI_CONF_H
|
#define CONTIKI_CONF_H
|
||||||
@ -108,10 +108,10 @@ typedef unsigned long off_t;
|
|||||||
|
|
||||||
/* USART0 Tx ready? */
|
/* USART0 Tx ready? */
|
||||||
#define SPI_WAITFOREOTx() while ((U0TCTL & TXEPT) == 0)
|
#define SPI_WAITFOREOTx() while ((U0TCTL & TXEPT) == 0)
|
||||||
/* USART0 Rx buffer ready? */
|
/* USART0 Rx ready? */
|
||||||
#define SPI_WAITFOREORx() while ((IFG1 & URXIFG0) == 0)
|
#define SPI_WAITFOREORx() while ((IFG1 & URXIFG0) == 0)
|
||||||
/* USART0 Tx buffer ready? */
|
/* USART0 Tx buffer ready? */
|
||||||
#define SPI_WAITFOREOTxBUF() while ((IFG1 & UTXIFG0) == 0)
|
#define SPI_WAITFORTxREADY() while ((IFG1 & UTXIFG0) == 0)
|
||||||
|
|
||||||
#define SCK 1 /* P3.1 - Output: SPI Serial Clock (SCLK) */
|
#define SCK 1 /* P3.1 - Output: SPI Serial Clock (SCLK) */
|
||||||
#define MOSI 2 /* P3.2 - Output: SPI Master out - slave in (MOSI) */
|
#define MOSI 2 /* P3.2 - Output: SPI Master out - slave in (MOSI) */
|
||||||
|
@ -1,5 +1,5 @@
|
|||||||
/* -*- C -*- */
|
/* -*- C -*- */
|
||||||
/* @(#)$Id: contiki-conf.h,v 1.58 2009/08/31 12:06:35 nifi Exp $ */
|
/* @(#)$Id: contiki-conf.h,v 1.59 2009/09/07 11:31:26 nifi Exp $ */
|
||||||
|
|
||||||
#ifndef CONTIKI_CONF_H
|
#ifndef CONTIKI_CONF_H
|
||||||
#define CONTIKI_CONF_H
|
#define CONTIKI_CONF_H
|
||||||
@ -172,10 +172,10 @@ typedef unsigned long off_t;
|
|||||||
|
|
||||||
/* USART0 Tx ready? */
|
/* USART0 Tx ready? */
|
||||||
#define SPI_WAITFOREOTx() while ((U0TCTL & TXEPT) == 0)
|
#define SPI_WAITFOREOTx() while ((U0TCTL & TXEPT) == 0)
|
||||||
/* USART0 Rx buffer ready? */
|
/* USART0 Rx ready? */
|
||||||
#define SPI_WAITFOREORx() while ((IFG1 & URXIFG0) == 0)
|
#define SPI_WAITFOREORx() while ((IFG1 & URXIFG0) == 0)
|
||||||
/* USART0 Tx buffer ready? */
|
/* USART0 Tx buffer ready? */
|
||||||
#define SPI_WAITFOREOTxBUF() while ((IFG1 & UTXIFG0) == 0)
|
#define SPI_WAITFORTxREADY() while ((IFG1 & UTXIFG0) == 0)
|
||||||
|
|
||||||
#define SCK 1 /* P3.1 - Output: SPI Serial Clock (SCLK) */
|
#define SCK 1 /* P3.1 - Output: SPI Serial Clock (SCLK) */
|
||||||
#define MOSI 2 /* P3.2 - Output: SPI Master out - slave in (MOSI) */
|
#define MOSI 2 /* P3.2 - Output: SPI Master out - slave in (MOSI) */
|
||||||
|
@ -26,7 +26,7 @@
|
|||||||
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||||||
* SUCH DAMAGE.
|
* SUCH DAMAGE.
|
||||||
*
|
*
|
||||||
* @(#)$Id: xmem.c,v 1.9 2009/08/31 12:06:35 nifi Exp $
|
* @(#)$Id: xmem.c,v 1.10 2009/09/07 11:31:26 nifi Exp $
|
||||||
*/
|
*/
|
||||||
|
|
||||||
/**
|
/**
|
||||||
@ -78,7 +78,7 @@ write_enable(void)
|
|||||||
SPI_FLASH_ENABLE();
|
SPI_FLASH_ENABLE();
|
||||||
|
|
||||||
FASTSPI_TX(SPI_FLASH_INS_WREN);
|
FASTSPI_TX(SPI_FLASH_INS_WREN);
|
||||||
SPI_WAITFOREOTx();
|
SPI_WAITFORTx_ENDED();
|
||||||
|
|
||||||
SPI_FLASH_DISABLE();
|
SPI_FLASH_DISABLE();
|
||||||
splx(s);
|
splx(s);
|
||||||
@ -95,7 +95,7 @@ read_status_register(void)
|
|||||||
SPI_FLASH_ENABLE();
|
SPI_FLASH_ENABLE();
|
||||||
|
|
||||||
FASTSPI_TX(SPI_FLASH_INS_RDSR);
|
FASTSPI_TX(SPI_FLASH_INS_RDSR);
|
||||||
SPI_WAITFOREOTx();
|
SPI_WAITFORTx_ENDED();
|
||||||
|
|
||||||
FASTSPI_CLEAR_RX();
|
FASTSPI_CLEAR_RX();
|
||||||
FASTSPI_RX(u);
|
FASTSPI_RX(u);
|
||||||
@ -137,7 +137,7 @@ erase_sector(unsigned long offset)
|
|||||||
FASTSPI_TX(offset >> 16); /* MSB */
|
FASTSPI_TX(offset >> 16); /* MSB */
|
||||||
FASTSPI_TX(offset >> 8);
|
FASTSPI_TX(offset >> 8);
|
||||||
FASTSPI_TX(offset >> 0); /* LSB */
|
FASTSPI_TX(offset >> 0); /* LSB */
|
||||||
SPI_WAITFOREOTx();
|
SPI_WAITFORTx_ENDED();
|
||||||
|
|
||||||
SPI_FLASH_DISABLE();
|
SPI_FLASH_DISABLE();
|
||||||
splx(s);
|
splx(s);
|
||||||
@ -175,7 +175,7 @@ xmem_pread(void *_p, int size, unsigned long offset)
|
|||||||
FASTSPI_TX(offset >> 16); /* MSB */
|
FASTSPI_TX(offset >> 16); /* MSB */
|
||||||
FASTSPI_TX(offset >> 8);
|
FASTSPI_TX(offset >> 8);
|
||||||
FASTSPI_TX(offset >> 0); /* LSB */
|
FASTSPI_TX(offset >> 0); /* LSB */
|
||||||
SPI_WAITFOREOTx();
|
SPI_WAITFORTx_ENDED();
|
||||||
|
|
||||||
FASTSPI_CLEAR_RX();
|
FASTSPI_CLEAR_RX();
|
||||||
for(; p < end; p++) {
|
for(; p < end; p++) {
|
||||||
@ -213,7 +213,7 @@ program_page(unsigned long offset, const unsigned char *p, int nbytes)
|
|||||||
for(; p < end; p++) {
|
for(; p < end; p++) {
|
||||||
FASTSPI_TX(~*p);
|
FASTSPI_TX(~*p);
|
||||||
}
|
}
|
||||||
SPI_WAITFOREOTx();
|
SPI_WAITFORTx_ENDED();
|
||||||
|
|
||||||
SPI_FLASH_DISABLE();
|
SPI_FLASH_DISABLE();
|
||||||
splx(s);
|
splx(s);
|
||||||
|
Loading…
Reference in New Issue
Block a user