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git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@4220 35acf78f-673a-0410-8e92-d51de3d6d3f4

master
gdisirio 2012-05-20 09:16:12 +00:00
parent 9be1c67db2
commit 31149b2ffb
7 changed files with 109 additions and 8 deletions
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8
os/hal/platforms/LPC11xx/spi_lld.h
View File

@ -195,14 +195,14 @@
/**
* @brief SSP0 clock.
*/
#define LPC11xx_SERIAL_SSP0_PCLK \
(LPC11xx_MAINCLK / LPC11xx_SERIAL_SSP0CLKDIV)
#define LPC11xx_SPI_SSP0_PCLK \
(LPC11xx_MAINCLK / LPC11xx_SPI_SSP0CLKDIV)
/**
* @brief SSP1 clock.
*/
#define LPC11xx_SERIAL_SSP1_PCLK \
(LPC11xx_MAINCLK / LPC11xx_SERIAL_SSP1CLKDIV)
#define LPC11xx_SPI_SSP1_PCLK \
(LPC11xx_MAINCLK / LPC11xx_SPI_SSP1CLKDIV)
/*===========================================================================*/
/* Driver data structures and types. */

46
os/hal/platforms/LPC13xx/spi_lld.c
View File

@ -40,6 +40,11 @@
SPIDriver SPID1;
#endif
#if LPC13xx_SPI_USE_SSP1 || defined(__DOXYGEN__)
/** @brief SPI2 driver identifier.*/
SPIDriver SPID2;
#endif
/*===========================================================================*/
/* Driver local variables. */
/*===========================================================================*/
@ -143,6 +148,22 @@ CH_IRQ_HANDLER(VectorF4) {
}
#endif
#if LPC13xx_SPI_USE_SSP1 || defined(__DOXYGEN__)
/**
* @brief SSP1 interrupt handler.
*
* @isr
*/
CH_IRQ_HANDLER(Vector124) {
CH_IRQ_PROLOGUE();
spi_serve_interrupt(&SPID2);
CH_IRQ_EPILOGUE();
}
#endif
/*===========================================================================*/
/* Driver exported functions. */
/*===========================================================================*/
@ -168,6 +189,14 @@ void spi_lld_init(void) {
LPC_IOCON->PIO0_8 = 0xC1; /* MISO0 without resistors. */
LPC_IOCON->PIO0_9 = 0xC1; /* MOSI0 without resistors. */
#endif /* LPC13xx_SPI_USE_SSP0 */
#if LPC13xx_SPI_USE_SSP1
spiObjectInit(&SPID2);
SPID2.ssp = LPC_SSP1;
LPC_IOCON->PIO2_1 = 0xC2; /* SCK1 without resistors. */
LPC_IOCON->PIO2_2 = 0xC2; /* MISO1 without resistors. */
LPC_IOCON->PIO2_3 = 0xC2; /* MOSI1 without resistors. */
#endif /* LPC13xx_SPI_USE_SSP0 */
}
/**
@ -189,6 +218,15 @@ void spi_lld_start(SPIDriver *spip) {
nvicEnableVector(SSP0_IRQn,
CORTEX_PRIORITY_MASK(LPC13xx_SPI_SSP0_IRQ_PRIORITY));
}
#endif
#if LPC13xx_SPI_USE_SSP1
if (&SPID2 == spip) {
LPC_SYSCON->SSP1CLKDIV = LPC13xx_SPI_SSP1CLKDIV;
LPC_SYSCON->SYSAHBCLKCTRL |= (1 << 18);
LPC_SYSCON->PRESETCTRL |= 4;
nvicEnableVector(SSP1_IRQn,
CORTEX_PRIORITY_MASK(LPC13xx_SPI_SSP1_IRQ_PRIORITY));
}
#endif
}
/* Configuration.*/
@ -219,6 +257,14 @@ void spi_lld_stop(SPIDriver *spip) {
LPC_SYSCON->SSP0CLKDIV = 0;
nvicDisableVector(SSP0_IRQn);
}
#endif
#if LPC13xx_SPI_USE_SSP1
if (&SPID2 == spip) {
LPC_SYSCON->PRESETCTRL &= ~4;
LPC_SYSCON->SYSAHBCLKCTRL &= ~(1 << 18);
LPC_SYSCON->SSP1CLKDIV = 0;
nvicDisableVector(SSP1_IRQn);
}
#endif
}
}

43
os/hal/platforms/LPC13xx/spi_lld.h
View File

@ -118,6 +118,15 @@
#define LPC13xx_SPI_USE_SSP0 TRUE
#endif
/**
* @brief SPI2 driver enable switch.
* @details If set to @p TRUE the support for device SSP1 is included.
* @note The default is @p TRUE.
*/
#if !defined(LPC13xx_SPI_USE_SSP1) || defined(__DOXYGEN__)
#define LPC13xx_SPI_USE_SSP1 FALSE
#endif
/**
* @brief SSP0 PCLK divider.
*/
@ -125,6 +134,13 @@
#define LPC13xx_SPI_SSP0CLKDIV 1
#endif
/**
* @brief SSP1 PCLK divider.
*/
#if !defined(LPC13xx_SPI_SSP1CLKDIV) || defined(__DOXYGEN__)
#define LPC13xx_SPI_SSP1CLKDIV 1
#endif
/**
* @brief SPI0 interrupt priority level setting.
*/
@ -132,6 +148,13 @@
#define LPC13xx_SPI_SSP0_IRQ_PRIORITY 5
#endif
/**
* @brief SPI1 interrupt priority level setting.
*/
#if !defined(LPC13xx_SPI_SSP1_IRQ_PRIORITY) || defined(__DOXYGEN__)
#define LPC13xx_SPI_SSP1_IRQ_PRIORITY 1
#endif
/**
* @brief Overflow error hook.
* @details The default action is to stop the system.
@ -155,7 +178,11 @@
#error "invalid LPC13xx_SPI_SSP0CLKDIV setting"
#endif
#if !LPC13xx_SPI_USE_SSP0
#if (LPC13xx_SPI_SSP1CLKDIV < 1) || (LPC13xx_SPI_SSP1CLKDIV > 255)
#error "invalid LPC13xx_SPI_SSP1CLKDIV setting"
#endif
#if !LPC13xx_SPI_USE_SSP0 && !LPC13xx_SPI_USE_SSP1
#error "SPI driver activated but no SPI peripheral assigned"
#endif
@ -168,8 +195,14 @@
/**
* @brief SSP0 clock.
*/
#define LPC13xx_SERIAL_SSP0_PCLK \
(LPC13xx_MAINCLK / LPC13xx_SERIAL_SSP0CLKDIV)
#define LPC13xx_SPI_SSP0_PCLK \
(LPC13xx_MAINCLK / LPC13xx_SPI_SSP0CLKDIV)
/**
* @brief SSP1 clock.
*/
#define LPC13xx_SPI_SSP1_PCLK \
(LPC13xx_MAINCLK / LPC13xx_SPI_SSP1CLKDIV)
/*===========================================================================*/
/* Driver data structures and types. */
@ -281,6 +314,10 @@ struct SPIDriver {
extern SPIDriver SPID1;
#endif
#if LPC13xx_SPI_USE_SSP1 && !defined(__DOXYGEN__)
extern SPIDriver SPID2;
#endif
#ifdef __cplusplus
extern "C" {
#endif

7
os/ports/GCC/ARMCMx/LPC13xx/vectors.c
View File

@ -103,6 +103,8 @@ extern void Vector110(void);
extern void Vector114(void);
extern void Vector118(void);
extern void Vector11C(void);
extern void Vector120(void);
extern void Vector124(void);
#endif
/**
@ -129,7 +131,8 @@ void (*_vectors[])(void) = {
VectorE0, VectorE4, VectorE8, VectorEC,
VectorF0, VectorF4, VectorF8, VectorFC,
Vector100, Vector104, Vector108, Vector10C,
Vector110, Vector114, Vector118, Vector11C
Vector110, Vector114, Vector118, Vector11C,
Vector120, Vector124
};
/**
@ -218,5 +221,7 @@ void Vector110(void) __attribute__((weak, alias("_unhandled_exception")));
void Vector114(void) __attribute__((weak, alias("_unhandled_exception")));
void Vector118(void) __attribute__((weak, alias("_unhandled_exception")));
void Vector11C(void) __attribute__((weak, alias("_unhandled_exception")));
void Vector120(void) __attribute__((weak, alias("_unhandled_exception")));
void Vector124(void) __attribute__((weak, alias("_unhandled_exception")));
/** @} */

6
os/ports/IAR/ARMCMx/LPC13xx/vectors.s
View File

@ -104,6 +104,8 @@ __vector_table:
DCD Vector114
DCD Vector118
DCD Vector11C
DCD Vector120
DCD Vector124
/*
* Default interrupt handlers.
@ -178,6 +180,8 @@ __vector_table:
PUBWEAK Vector114
PUBWEAK Vector118
PUBWEAK Vector11C
PUBWEAK Vector120
PUBWEAK Vector124
PUBLIC _unhandled_exception
SECTION .text:CODE:REORDER(1)
@ -253,6 +257,8 @@ Vector110
Vector114
Vector118
Vector11C
Vector120
Vector124
_unhandled_exception
b _unhandled_exception

6
os/ports/RVCT/ARMCMx/LPC13xx/vectors.s
View File

@ -99,6 +99,8 @@ __Vectors
DCD Vector114
DCD Vector118
DCD Vector11C
DCD Vector120
DCD Vector124
AREA |.text|, CODE, READONLY
THUMB
@ -178,6 +180,8 @@ _unhandled_exception PROC
EXPORT Vector114 [WEAK]
EXPORT Vector118 [WEAK]
EXPORT Vector11C [WEAK]
EXPORT Vector120 [WEAK]
EXPORT Vector124 [WEAK]
NMIVector
HardFaultVector
@ -249,6 +253,8 @@ Vector110
Vector114
Vector118
Vector11C
Vector120
Vector124
b _unhandled_exception
ENDP

1
readme.txt
View File

@ -131,6 +131,7 @@
3484947)(backported to 2.4.1).
- FIX: Fixed various minor documentation errors (bug 3484942)(backported
to 2.4.1).
- NEW: Added SSP1 capability to the LPC13xx SPI driver.
- NEW: Updated vendor headers for LPC11xx and LPC13xx, the new headers
support several new devices.
- NEW: Demo for STM32F0-Discovery board.