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Diffstat (limited to 'os/hal/platforms/AT91SAM7/spi_lld.c')
-rw-r--r--os/hal/platforms/AT91SAM7/spi_lld.c97
1 files changed, 49 insertions, 48 deletions
diff --git a/os/hal/platforms/AT91SAM7/spi_lld.c b/os/hal/platforms/AT91SAM7/spi_lld.c
index 316ff65c9..218793d1e 100644
--- a/os/hal/platforms/AT91SAM7/spi_lld.c
+++ b/os/hal/platforms/AT91SAM7/spi_lld.c
@@ -1,5 +1,6 @@
/*
- ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010 Giovanni Di Sirio.
+ ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
+ 2011 Giovanni Di Sirio.
This file is part of ChibiOS/RT.
@@ -55,7 +56,7 @@ SPIDriver SPID2;
* somewhere.
* @note This buffer size also limits the maximum transfer size, 512B,
* for @p spiReceive() and @p spiIgnore(). @p spiSend() and
- * @p spiExchange are not affected.
+ * @p spiExchange are not affected.
*/
static const uint16_t idle_buf[] = {
0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF,
@@ -97,7 +98,7 @@ static const uint16_t idle_buf[] = {
/*===========================================================================*/
/**
- * @brief Initializes a SPI device.
+ * @brief Initializes a SPI device.
*/
static void spi_init(AT91PS_SPI spi) {
@@ -116,19 +117,19 @@ static void spi_init(AT91PS_SPI spi) {
__attribute__((noinline))
#endif
/**
- * @brief Shared interrupt handling code.
+ * @brief Shared interrupt handling code.
*
* @param[in] spip pointer to the @p SPIDriver object
*/
static void spi_lld_serve_interrupt(SPIDriver *spip) {
- uint32_t sr = spip->spd_spi->SPI_SR;
+ uint32_t sr = spip->spi->SPI_SR;
if ((sr & AT91C_SPI_ENDRX) != 0) {
- (void)spip->spd_spi->SPI_RDR; /* Clears eventual overflow.*/
- spip->spd_spi->SPI_PTCR = AT91C_PDC_RXTDIS |
+ (void)spip->spi->SPI_RDR; /* Clears eventual overflow.*/
+ spip->spi->SPI_PTCR = AT91C_PDC_RXTDIS |
AT91C_PDC_TXTDIS; /* PDC disabled. */
- spip->spd_spi->SPI_IDR = AT91C_SPI_ENDRX; /* Interrupt disabled. */
- spip->spd_spi->SPI_CR = AT91C_SPI_SPIDIS; /* SPI disabled. */
+ spip->spi->SPI_IDR = AT91C_SPI_ENDRX; /* Interrupt disabled. */
+ spip->spi->SPI_CR = AT91C_SPI_SPIDIS; /* SPI disabled. */
/* Portable SPI ISR code defined in the high level driver, note, it is
a macro.*/
_spi_isr_code(spip);
@@ -182,7 +183,7 @@ void spi_lld_init(void) {
#if AT91SAM7_SPI_USE_SPI0
spiObjectInit(&SPID1);
- SPID1.spd_spi = AT91C_BASE_SPI0;
+ SPID1.spi = AT91C_BASE_SPI0;
spi_init(AT91C_BASE_SPI0);
AT91C_BASE_PIOA->PIO_PDR = SPI0_MISO | SPI0_MOSI | SPI0_SCK;
AT91C_BASE_PIOA->PIO_ASR = SPI0_MISO | SPI0_MOSI | SPI0_SCK;
@@ -194,7 +195,7 @@ void spi_lld_init(void) {
#if AT91SAM7_SPI_USE_SPI1
spiObjectInit(&SPID2);
- SPID2.spd_spi = AT91C_BASE_SPI1;
+ SPID2.spi = AT91C_BASE_SPI1;
spi_init(AT91C_BASE_SPI1);
AT91C_BASE_PIOA->PIO_PDR = SPI1_MISO | SPI1_MOSI | SPI1_SCK;
AT91C_BASE_PIOA->PIO_BSR = SPI1_MISO | SPI1_MOSI | SPI1_SCK;
@@ -214,7 +215,7 @@ void spi_lld_init(void) {
*/
void spi_lld_start(SPIDriver *spip) {
- if (spip->spd_state == SPI_STOP) {
+ if (spip->state == SPI_STOP) {
#if AT91SAM7_SPI_USE_SPI0
if (&SPID1 == spip) {
/* Clock activation.*/
@@ -233,7 +234,7 @@ void spi_lld_start(SPIDriver *spip) {
#endif
}
/* Configuration.*/
- spip->spd_spi->SPI_CSR[0] = spip->spd_config->spc_csr;
+ spip->spi->SPI_CSR[0] = spip->config->csr;
}
/**
@@ -245,7 +246,7 @@ void spi_lld_start(SPIDriver *spip) {
*/
void spi_lld_stop(SPIDriver *spip) {
- if (spip->spd_state != SPI_STOP) {
+ if (spip->state != SPI_STOP) {
#if AT91SAM7_SPI_USE_SPI0
if (&SPID1 == spip) {
AT91C_BASE_PMC->PMC_PCDR = (1 << AT91C_ID_SPI0);
@@ -270,7 +271,7 @@ void spi_lld_stop(SPIDriver *spip) {
*/
void spi_lld_select(SPIDriver *spip) {
- palClearPad(spip->spd_config->spc_ssport, spip->spd_config->spc_sspad);
+ palClearPad(spip->config->ssport, spip->config->sspad);
}
/**
@@ -283,7 +284,7 @@ void spi_lld_select(SPIDriver *spip) {
*/
void spi_lld_unselect(SPIDriver *spip) {
- palSetPad(spip->spd_config->spc_ssport, spip->spd_config->spc_sspad);
+ palSetPad(spip->config->ssport, spip->config->sspad);
}
/**
@@ -299,13 +300,13 @@ void spi_lld_unselect(SPIDriver *spip) {
*/
void spi_lld_ignore(SPIDriver *spip, size_t n) {
- spip->spd_spi->SPI_TCR = n;
- spip->spd_spi->SPI_RCR = n;
- spip->spd_spi->SPI_TPR = (AT91_REG)idle_buf;
- spip->spd_spi->SPI_RPR = (AT91_REG)idle_buf;
- spip->spd_spi->SPI_IER = AT91C_SPI_ENDRX;
- spip->spd_spi->SPI_CR = AT91C_SPI_SPIEN;
- spip->spd_spi->SPI_PTCR = AT91C_PDC_RXTEN | AT91C_PDC_TXTEN;
+ spip->spi->SPI_TCR = n;
+ spip->spi->SPI_RCR = n;
+ spip->spi->SPI_TPR = (AT91_REG)idle_buf;
+ spip->spi->SPI_RPR = (AT91_REG)idle_buf;
+ spip->spi->SPI_IER = AT91C_SPI_ENDRX;
+ spip->spi->SPI_CR = AT91C_SPI_SPIEN;
+ spip->spi->SPI_PTCR = AT91C_PDC_RXTEN | AT91C_PDC_TXTEN;
}
/**
@@ -323,13 +324,13 @@ void spi_lld_ignore(SPIDriver *spip, size_t n) {
void spi_lld_exchange(SPIDriver *spip, size_t n,
const void *txbuf, void *rxbuf) {
- spip->spd_spi->SPI_TCR = n;
- spip->spd_spi->SPI_RCR = n;
- spip->spd_spi->SPI_TPR = (AT91_REG)txbuf;
- spip->spd_spi->SPI_RPR = (AT91_REG)rxbuf;
- spip->spd_spi->SPI_IER = AT91C_SPI_ENDRX;
- spip->spd_spi->SPI_CR = AT91C_SPI_SPIEN;
- spip->spd_spi->SPI_PTCR = AT91C_PDC_RXTEN | AT91C_PDC_TXTEN;
+ spip->spi->SPI_TCR = n;
+ spip->spi->SPI_RCR = n;
+ spip->spi->SPI_TPR = (AT91_REG)txbuf;
+ spip->spi->SPI_RPR = (AT91_REG)rxbuf;
+ spip->spi->SPI_IER = AT91C_SPI_ENDRX;
+ spip->spi->SPI_CR = AT91C_SPI_SPIEN;
+ spip->spi->SPI_PTCR = AT91C_PDC_RXTEN | AT91C_PDC_TXTEN;
}
/**
@@ -344,13 +345,13 @@ void spi_lld_exchange(SPIDriver *spip, size_t n,
*/
void spi_lld_send(SPIDriver *spip, size_t n, const void *txbuf) {
- spip->spd_spi->SPI_TCR = n;
- spip->spd_spi->SPI_RCR = n;
- spip->spd_spi->SPI_TPR = (AT91_REG)txbuf;
- spip->spd_spi->SPI_RPR = (AT91_REG)idle_buf;
- spip->spd_spi->SPI_IER = AT91C_SPI_ENDRX;
- spip->spd_spi->SPI_CR = AT91C_SPI_SPIEN;
- spip->spd_spi->SPI_PTCR = AT91C_PDC_RXTEN | AT91C_PDC_TXTEN;
+ spip->spi->SPI_TCR = n;
+ spip->spi->SPI_RCR = n;
+ spip->spi->SPI_TPR = (AT91_REG)txbuf;
+ spip->spi->SPI_RPR = (AT91_REG)idle_buf;
+ spip->spi->SPI_IER = AT91C_SPI_ENDRX;
+ spip->spi->SPI_CR = AT91C_SPI_SPIEN;
+ spip->spi->SPI_PTCR = AT91C_PDC_RXTEN | AT91C_PDC_TXTEN;
}
/**
@@ -365,13 +366,13 @@ void spi_lld_send(SPIDriver *spip, size_t n, const void *txbuf) {
*/
void spi_lld_receive(SPIDriver *spip, size_t n, void *rxbuf) {
- spip->spd_spi->SPI_TCR = n;
- spip->spd_spi->SPI_RCR = n;
- spip->spd_spi->SPI_TPR = (AT91_REG)idle_buf;
- spip->spd_spi->SPI_RPR = (AT91_REG)rxbuf;
- spip->spd_spi->SPI_IER = AT91C_SPI_ENDRX;
- spip->spd_spi->SPI_CR = AT91C_SPI_SPIEN;
- spip->spd_spi->SPI_PTCR = AT91C_PDC_RXTEN | AT91C_PDC_TXTEN;
+ spip->spi->SPI_TCR = n;
+ spip->spi->SPI_RCR = n;
+ spip->spi->SPI_TPR = (AT91_REG)idle_buf;
+ spip->spi->SPI_RPR = (AT91_REG)rxbuf;
+ spip->spi->SPI_IER = AT91C_SPI_ENDRX;
+ spip->spi->SPI_CR = AT91C_SPI_SPIEN;
+ spip->spi->SPI_PTCR = AT91C_PDC_RXTEN | AT91C_PDC_TXTEN;
}
/**
@@ -388,11 +389,11 @@ void spi_lld_receive(SPIDriver *spip, size_t n, void *rxbuf) {
*/
uint16_t spi_lld_polled_exchange(SPIDriver *spip, uint16_t frame) {
- spip->spd_spi->SPI_CR = AT91C_SPI_SPIEN;
- spip->spd_spi->SPI_TDR = frame;
- while ((spip->spd_spi->SPI_SR & AT91C_SPI_RDRF) == 0)
+ spip->spi->SPI_CR = AT91C_SPI_SPIEN;
+ spip->spi->SPI_TDR = frame;
+ while ((spip->spi->SPI_SR & AT91C_SPI_RDRF) == 0)
;
- return spip->spd_spi->SPI_RDR;
+ return spip->spi->SPI_RDR;
}
#endif /* HAL_USE_SPI */
generated by cgit v1.2.3 (git 2.25.1) at 2025-04-27 10:13:39 +0000