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authormarcoveeneman <marco-veeneman@hotmail.com>2016-10-30 09:35:00 +0100
committerGitHub <noreply@github.com>2016-10-30 09:35:00 +0100
commita45d952fad0cea3cc22a1fc88245fb3328c3f6cc (patch)
tree7ab233f7efa82da3540f76b316ebae4882228632 /os/hal/ports/TIVA/LLD/SSI/hal_spi_lld.c
parent9abfd6d27a5bbef23e84aa70814c26682eb147f6 (diff)
parent7e3ef128a4f10aae16ee18a73ae488c6f3185f71 (diff)
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Merge pull request #96 from marcoveeneman/tiva-use-tivaware
Tiva port use TivaWare
Diffstat (limited to 'os/hal/ports/TIVA/LLD/SSI/hal_spi_lld.c')
-rw-r--r--os/hal/ports/TIVA/LLD/SSI/hal_spi_lld.c158
1 files changed, 79 insertions, 79 deletions
diff --git a/os/hal/ports/TIVA/LLD/SSI/hal_spi_lld.c b/os/hal/ports/TIVA/LLD/SSI/hal_spi_lld.c
index ded2b99..42efca6 100644
--- a/os/hal/ports/TIVA/LLD/SSI/hal_spi_lld.c
+++ b/os/hal/ports/TIVA/LLD/SSI/hal_spi_lld.c
@@ -77,19 +77,19 @@ static uint16_t dummyrx;
*/
static void spi_serve_interrupt(SPIDriver *spip)
{
- SSI_TypeDef *ssi = spip->ssi;
- uint32_t mis = ssi->MIS;
- uint32_t dmachis = UDMA->CHIS;
+ uint32_t ssi = spip->ssi;
+ uint32_t mis = HWREG(ssi + SSI_O_MIS);
+ uint32_t dmachis = HWREG(UDMA_CHIS);
/* SPI error handling.*/
- if ((mis & (TIVA_MIS_RORMIS | TIVA_MIS_RTMIS)) != 0) {
+ if ((mis & (SSI_MIS_RORMIS | SSI_MIS_RTMIS)) != 0) {
TIVA_SPI_SSI_ERROR_HOOK(spip);
}
- if ( (dmachis & ( (1 << spip->dmarxnr) | (1 << spip->dmatxnr) ) ) ==
- ( (1 << spip->dmarxnr) | (1 << spip->dmatxnr) ) ) {
+ if ((dmachis & ((1 << spip->dmarxnr) | (1 << spip->dmatxnr))) ==
+ (uint32_t)((1 << spip->dmarxnr) | (1 << spip->dmatxnr))) {
/* Clear DMA Channel interrupts.*/
- UDMA->CHIS = (1 << spip->dmarxnr) | (1 << spip->dmatxnr);
+ HWREG(UDMA_CHIS) = (1 << spip->dmarxnr) | (1 << spip->dmatxnr);
/* Portable SPI ISR code defined in the high level driver, note, it is a
macro.*/
@@ -180,7 +180,7 @@ void spi_lld_init(void)
#if TIVA_SPI_USE_SSI0
spiObjectInit(&SPID1);
- SPID1.ssi = SSI0;
+ SPID1.ssi = SSI0_BASE;
SPID1.dmarxnr = TIVA_SPI_SSI0_RX_UDMA_CHANNEL;
SPID1.dmatxnr = TIVA_SPI_SSI0_TX_UDMA_CHANNEL;
SPID1.rxchnmap = TIVA_SPI_SSI0_RX_UDMA_MAPPING;
@@ -189,7 +189,7 @@ void spi_lld_init(void)
#if TIVA_SPI_USE_SSI1
spiObjectInit(&SPID2);
- SPID2.ssi = SSI1;
+ SPID2.ssi = SSI1_BASE;
SPID2.dmarxnr = TIVA_SPI_SSI1_RX_UDMA_CHANNEL;
SPID2.dmatxnr = TIVA_SPI_SSI1_TX_UDMA_CHANNEL;
SPID2.rxchnmap = TIVA_SPI_SSI1_RX_UDMA_MAPPING;
@@ -198,7 +198,7 @@ void spi_lld_init(void)
#if TIVA_SPI_USE_SSI2
spiObjectInit(&SPID3);
- SPID3.ssi = SSI2;
+ SPID3.ssi = SSI2_BASE;
SPID3.dmarxnr = TIVA_SPI_SSI2_RX_UDMA_CHANNEL;
SPID3.dmatxnr = TIVA_SPI_SSI2_TX_UDMA_CHANNEL;
SPID3.rxchnmap = TIVA_SPI_SSI2_RX_UDMA_MAPPING;
@@ -207,7 +207,7 @@ void spi_lld_init(void)
#if TIVA_SPI_USE_SSI3
spiObjectInit(&SPID4);
- SPID4.ssi = SSI3;
+ SPID4.ssi = SSI3_BASE;
SPID4.dmarxnr = TIVA_SPI_SSI3_RX_UDMA_CHANNEL;
SPID4.dmatxnr = TIVA_SPI_SSI3_TX_UDMA_CHANNEL;
SPID4.rxchnmap = TIVA_SPI_SSI3_RX_UDMA_MAPPING;
@@ -235,8 +235,8 @@ void spi_lld_start(SPIDriver *spip)
osalDbgAssert(!b, "channel already allocated");
/* Enable SSI0 module.*/
- SYSCTL->RCGCSSI |= (1 << 0);
- while (!(SYSCTL->PRSSI & (1 << 0)))
+ HWREG(SYSCTL_RCGCSSI) |= (1 << 0);
+ while (!(HWREG(SYSCTL_PRSSI) & (1 << 0)))
;
nvicEnableVector(TIVA_SSI0_NUMBER, TIVA_SPI_SSI0_IRQ_PRIORITY);
@@ -251,8 +251,8 @@ void spi_lld_start(SPIDriver *spip)
osalDbgAssert(!b, "channel already allocated");
/* Enable SSI0 module.*/
- SYSCTL->RCGCSSI |= (1 << 1);
- while (!(SYSCTL->PRSSI & (1 << 1)))
+ HWREG(SYSCTL_RCGCSSI) |= (1 << 1);
+ while (!(HWREG(SYSCTL_PRSSI) & (1 << 1)))
;
nvicEnableVector(TIVA_SSI1_NUMBER, TIVA_SPI_SSI1_IRQ_PRIORITY);
@@ -267,8 +267,8 @@ void spi_lld_start(SPIDriver *spip)
osalDbgAssert(!b, "channel already allocated");
/* Enable SSI0 module.*/
- SYSCTL->RCGCSSI |= (1 << 2);
- while (!(SYSCTL->PRSSI & (1 << 2)))
+ HWREG(SYSCTL_RCGCSSI) |= (1 << 2);
+ while (!(HWREG(SYSCTL_PRSSI) & (1 << 2)))
;
nvicEnableVector(TIVA_SSI2_NUMBER, TIVA_SPI_SSI2_IRQ_PRIORITY);
@@ -283,40 +283,40 @@ void spi_lld_start(SPIDriver *spip)
osalDbgAssert(!b, "channel already allocated");
/* Enable SSI0 module.*/
- SYSCTL->RCGCSSI |= (1 << 3);
- while (!(SYSCTL->PRSSI & (1 << 3)))
+ HWREG(SYSCTL_RCGCSSI) |= (1 << 3);
+ while (!(HWREG(SYSCTL_PRSSI) & (1 << 3)))
;
nvicEnableVector(TIVA_SSI3_NUMBER, TIVA_SPI_SSI3_IRQ_PRIORITY);
}
#endif
- UDMA->CHMAP[spip->dmarxnr / 8] |= (spip->rxchnmap << (spip->dmarxnr % 8));
- UDMA->CHMAP[spip->dmatxnr / 8] |= (spip->txchnmap << (spip->dmatxnr % 8));
+ HWREG(UDMA_CHMAP0 + (spip->dmarxnr / 8) * 4) |= (spip->rxchnmap << (spip->dmarxnr % 8));
+ HWREG(UDMA_CHMAP0 + (spip->dmatxnr / 8) * 4) |= (spip->txchnmap << (spip->dmatxnr % 8));
}
/* Set master operation mode.*/
- spip->ssi->CR1 = 0;
+ HWREG(spip->ssi + SSI_O_CR1) = 0;
/* Clock configuration - System Clock.*/
- spip->ssi->CC = 0;
+ HWREG(spip->ssi + SSI_O_CC) = 0;
/* Clear pending interrupts.*/
- spip->ssi->ICR = TIVA_ICR_RTIC | TIVA_ICR_RORIC;
+ HWREG(spip->ssi + SSI_O_ICR) = SSI_ICR_RTIC | SSI_ICR_RORIC;
/* Enable Receive Time-Out and Receive Overrun Interrupts.*/
- spip->ssi->IM = TIVA_IM_RTIM | TIVA_IM_RORIM;
+ HWREG(spip->ssi + SSI_O_IM) = SSI_IM_RTIM | SSI_IM_RORIM;
/* Configure the clock prescale divisor.*/
- spip->ssi->CPSR = spip->config->cpsr;
+ HWREG(spip->ssi + SSI_O_CPSR) = spip->config->cpsr;
/* Serial clock rate, phase/polarity, data size, fixed SPI frame format.*/
- spip->ssi->CR0 = (spip->config->cr0 & ~TIVA_CR0_FRF_MASK) | TIVA_CR0_FRF(0);
+ HWREG(spip->ssi + SSI_O_CR0) = (spip->config->cr0 & ~SSI_CR0_FRF_M) | SSI_CR0_FRF_MOTO;
/* Enable SSI.*/
- spip->ssi->CR1 |= TIVA_CR1_SSE;
+ HWREG(spip->ssi + SSI_O_CR1) |= SSI_CR1_SSE;
/* Enable RX and TX DMA channels.*/
- spip->ssi->DMACTL = (TIVA_DMACTL_TXDMAE | TIVA_DMACTL_RXDMAE);
+ HWREG(spip->ssi + SSI_O_DMACTL) = (SSI_DMACTL_TXDMAE | SSI_DMACTL_RXDMAE);
}
/**
@@ -329,9 +329,9 @@ void spi_lld_start(SPIDriver *spip)
void spi_lld_stop(SPIDriver *spip)
{
if (spip->state != SPI_STOP) {
- spip->ssi->CR1 = 0;
- spip->ssi->CR0 = 0;
- spip->ssi->CPSR = 0;
+ HWREG(spip->ssi + SSI_O_CR1) = 0;
+ HWREG(spip->ssi + SSI_O_CR0) = 0;
+ HWREG(spip->ssi + SSI_O_CPSR) = 0;
udmaChannelRelease(spip->dmarxnr);
udmaChannelRelease(spip->dmatxnr);
@@ -399,20 +399,20 @@ void spi_lld_ignore(SPIDriver *spip, size_t n)
{
tiva_udma_table_entry_t *primary = udmaControlTable.primary;
- if ((spip->config->cr0 & TIVA_CR0_DSS_MASK) < 8) {
+ if ((spip->config->cr0 & SSI_CR0_DSS_M) < 8) {
/* Configure for 8-bit transfers.*/
primary[spip->dmatxnr].srcendp = (volatile void *)&dummytx;
- primary[spip->dmatxnr].dstendp = &spip->ssi->DR;
- primary[spip->dmatxnr].chctl = UDMA_CHCTL_DSTSIZE_8 | UDMA_CHCTL_DSTINC_0 |
- UDMA_CHCTL_SRCSIZE_8 | UDMA_CHCTL_SRCINC_0 |
+ primary[spip->dmatxnr].dstendp = (void *)(spip->ssi + SSI_O_DR);
+ primary[spip->dmatxnr].chctl = UDMA_CHCTL_DSTSIZE_8 | UDMA_CHCTL_DSTINC_NONE |
+ UDMA_CHCTL_SRCSIZE_8 | UDMA_CHCTL_SRCINC_NONE |
UDMA_CHCTL_ARBSIZE_4 |
UDMA_CHCTL_XFERSIZE(n) |
UDMA_CHCTL_XFERMODE_BASIC;
- primary[spip->dmarxnr].srcendp = &spip->ssi->DR;
+ primary[spip->dmarxnr].srcendp = (void *)(spip->ssi + SSI_O_DR);
primary[spip->dmarxnr].dstendp = &dummyrx;
- primary[spip->dmarxnr].chctl = UDMA_CHCTL_DSTSIZE_8 | UDMA_CHCTL_DSTINC_0 |
- UDMA_CHCTL_SRCSIZE_8 | UDMA_CHCTL_SRCINC_0 |
+ primary[spip->dmarxnr].chctl = UDMA_CHCTL_DSTSIZE_8 | UDMA_CHCTL_DSTINC_NONE |
+ UDMA_CHCTL_SRCSIZE_8 | UDMA_CHCTL_SRCINC_NONE |
UDMA_CHCTL_ARBSIZE_4 |
UDMA_CHCTL_XFERSIZE(n) |
UDMA_CHCTL_XFERMODE_BASIC;
@@ -420,17 +420,17 @@ void spi_lld_ignore(SPIDriver *spip, size_t n)
else {
/* Configure for 16-bit transfers.*/
primary[spip->dmatxnr].srcendp = (volatile void *)&dummytx;
- primary[spip->dmatxnr].dstendp = &spip->ssi->DR;
- primary[spip->dmatxnr].chctl = UDMA_CHCTL_DSTSIZE_16 | UDMA_CHCTL_DSTINC_0 |
- UDMA_CHCTL_SRCSIZE_16 | UDMA_CHCTL_SRCINC_0 |
+ primary[spip->dmatxnr].dstendp = (void *)(spip->ssi + SSI_O_DR);
+ primary[spip->dmatxnr].chctl = UDMA_CHCTL_DSTSIZE_16 | UDMA_CHCTL_DSTINC_NONE |
+ UDMA_CHCTL_SRCSIZE_16 | UDMA_CHCTL_SRCINC_NONE |
UDMA_CHCTL_ARBSIZE_4 |
UDMA_CHCTL_XFERSIZE(n) |
UDMA_CHCTL_XFERMODE_BASIC;
- primary[spip->dmarxnr].srcendp = &spip->ssi->DR;
+ primary[spip->dmarxnr].srcendp = (void *)(spip->ssi + SSI_O_DR);
primary[spip->dmarxnr].dstendp = &dummyrx;
- primary[spip->dmarxnr].chctl = UDMA_CHCTL_DSTSIZE_16 | UDMA_CHCTL_DSTINC_0 |
- UDMA_CHCTL_SRCSIZE_16 | UDMA_CHCTL_SRCINC_0 |
+ primary[spip->dmarxnr].chctl = UDMA_CHCTL_DSTSIZE_16 | UDMA_CHCTL_DSTINC_NONE |
+ UDMA_CHCTL_SRCSIZE_16 | UDMA_CHCTL_SRCINC_NONE |
UDMA_CHCTL_ARBSIZE_4 |
UDMA_CHCTL_XFERSIZE(n) |
UDMA_CHCTL_XFERMODE_BASIC;
@@ -470,20 +470,20 @@ void spi_lld_exchange(SPIDriver *spip, size_t n, const void *txbuf, void *rxbuf)
{
tiva_udma_table_entry_t *primary = udmaControlTable.primary;
- if ((spip->config->cr0 & TIVA_CR0_DSS_MASK) < 8) {
+ if ((spip->config->cr0 & SSI_CR0_DSS_M) < 8) {
/* Configure for 8-bit transfers.*/
primary[spip->dmatxnr].srcendp = (volatile void *)txbuf+n-1;
- primary[spip->dmatxnr].dstendp = &spip->ssi->DR;
- primary[spip->dmatxnr].chctl = UDMA_CHCTL_DSTSIZE_8 | UDMA_CHCTL_DSTINC_0 |
+ primary[spip->dmatxnr].dstendp = (void *)(spip->ssi + SSI_O_DR);
+ primary[spip->dmatxnr].chctl = UDMA_CHCTL_DSTSIZE_8 | UDMA_CHCTL_DSTINC_NONE |
UDMA_CHCTL_SRCSIZE_8 | UDMA_CHCTL_SRCINC_8 |
UDMA_CHCTL_ARBSIZE_4 |
UDMA_CHCTL_XFERSIZE(n) |
UDMA_CHCTL_XFERMODE_BASIC;
- primary[spip->dmarxnr].srcendp = &spip->ssi->DR;
+ primary[spip->dmarxnr].srcendp = (void *)(spip->ssi + SSI_O_DR);
primary[spip->dmarxnr].dstendp = rxbuf+n-1;
primary[spip->dmarxnr].chctl = UDMA_CHCTL_DSTSIZE_8 | UDMA_CHCTL_DSTINC_8 |
- UDMA_CHCTL_SRCSIZE_8 | UDMA_CHCTL_SRCINC_0 |
+ UDMA_CHCTL_SRCSIZE_8 | UDMA_CHCTL_SRCINC_NONE |
UDMA_CHCTL_ARBSIZE_4 |
UDMA_CHCTL_XFERSIZE(n) |
UDMA_CHCTL_XFERMODE_BASIC;
@@ -491,17 +491,17 @@ void spi_lld_exchange(SPIDriver *spip, size_t n, const void *txbuf, void *rxbuf)
else {
/* Configure for 16-bit transfers.*/
primary[spip->dmatxnr].srcendp = (volatile void *)txbuf+(n*2)-1;
- primary[spip->dmatxnr].dstendp = &spip->ssi->DR;
- primary[spip->dmatxnr].chctl = UDMA_CHCTL_DSTSIZE_16 | UDMA_CHCTL_DSTINC_0 |
+ primary[spip->dmatxnr].dstendp = (void *)(spip->ssi + SSI_O_DR);
+ primary[spip->dmatxnr].chctl = UDMA_CHCTL_DSTSIZE_16 | UDMA_CHCTL_DSTINC_NONE |
UDMA_CHCTL_SRCSIZE_16 | UDMA_CHCTL_SRCINC_16 |
UDMA_CHCTL_ARBSIZE_4 |
UDMA_CHCTL_XFERSIZE(n) |
UDMA_CHCTL_XFERMODE_BASIC;
- primary[spip->dmarxnr].srcendp = &spip->ssi->DR;
+ primary[spip->dmarxnr].srcendp = (void *)(spip->ssi + SSI_O_DR);
primary[spip->dmarxnr].dstendp = rxbuf+(n*2)-1;
primary[spip->dmarxnr].chctl = UDMA_CHCTL_DSTSIZE_16 | UDMA_CHCTL_DSTINC_16 |
- UDMA_CHCTL_SRCSIZE_16 | UDMA_CHCTL_SRCINC_0 |
+ UDMA_CHCTL_SRCSIZE_16 | UDMA_CHCTL_SRCINC_NONE |
UDMA_CHCTL_ARBSIZE_4 |
UDMA_CHCTL_XFERSIZE(n) |
UDMA_CHCTL_XFERMODE_BASIC;
@@ -539,20 +539,20 @@ void spi_lld_send(SPIDriver *spip, size_t n, const void *txbuf)
{
tiva_udma_table_entry_t *primary = udmaControlTable.primary;
- if ((spip->config->cr0 & TIVA_CR0_DSS_MASK) < 8) {
+ if ((spip->config->cr0 & SSI_CR0_DSS_M) < 8) {
/* Configure for 8-bit transfers.*/
primary[spip->dmatxnr].srcendp = (volatile void *)txbuf+n-1;
- primary[spip->dmatxnr].dstendp = &spip->ssi->DR;
- primary[spip->dmatxnr].chctl = UDMA_CHCTL_DSTSIZE_8 | UDMA_CHCTL_DSTINC_0 |
+ primary[spip->dmatxnr].dstendp = (void *)(spip->ssi + SSI_O_DR);
+ primary[spip->dmatxnr].chctl = UDMA_CHCTL_DSTSIZE_8 | UDMA_CHCTL_DSTINC_NONE |
UDMA_CHCTL_SRCSIZE_8 | UDMA_CHCTL_SRCINC_8 |
UDMA_CHCTL_ARBSIZE_4 |
UDMA_CHCTL_XFERSIZE(n) |
UDMA_CHCTL_XFERMODE_BASIC;
- primary[spip->dmarxnr].dstendp = &spip->ssi->DR;
+ primary[spip->dmarxnr].dstendp = (void *)(spip->ssi + SSI_O_DR);
primary[spip->dmarxnr].srcendp = &dummyrx;
- primary[spip->dmarxnr].chctl = UDMA_CHCTL_DSTSIZE_8 | UDMA_CHCTL_DSTINC_0 |
- UDMA_CHCTL_SRCSIZE_8 | UDMA_CHCTL_SRCINC_0 |
+ primary[spip->dmarxnr].chctl = UDMA_CHCTL_DSTSIZE_8 | UDMA_CHCTL_DSTINC_NONE |
+ UDMA_CHCTL_SRCSIZE_8 | UDMA_CHCTL_SRCINC_NONE |
UDMA_CHCTL_ARBSIZE_4 |
UDMA_CHCTL_XFERSIZE(n) |
UDMA_CHCTL_XFERMODE_BASIC;
@@ -560,17 +560,17 @@ void spi_lld_send(SPIDriver *spip, size_t n, const void *txbuf)
else {
/* Configure for 16-bit transfers.*/
primary[spip->dmatxnr].srcendp = (volatile void *)txbuf+(n*2)-1;
- primary[spip->dmatxnr].dstendp = &spip->ssi->DR;
- primary[spip->dmatxnr].chctl = UDMA_CHCTL_DSTSIZE_16 | UDMA_CHCTL_DSTINC_0 |
+ primary[spip->dmatxnr].dstendp = (void *)(spip->ssi + SSI_O_DR);
+ primary[spip->dmatxnr].chctl = UDMA_CHCTL_DSTSIZE_16 | UDMA_CHCTL_DSTINC_NONE |
UDMA_CHCTL_SRCSIZE_16 | UDMA_CHCTL_SRCINC_16 |
UDMA_CHCTL_ARBSIZE_4 |
UDMA_CHCTL_XFERSIZE(n) |
UDMA_CHCTL_XFERMODE_BASIC;
- primary[spip->dmarxnr].dstendp = &spip->ssi->DR;
+ primary[spip->dmarxnr].dstendp = (void *)(spip->ssi + SSI_O_DR);
primary[spip->dmarxnr].srcendp = &dummyrx;
- primary[spip->dmarxnr].chctl = UDMA_CHCTL_DSTSIZE_16 | UDMA_CHCTL_DSTINC_0 |
- UDMA_CHCTL_SRCSIZE_16 | UDMA_CHCTL_SRCINC_0 |
+ primary[spip->dmarxnr].chctl = UDMA_CHCTL_DSTSIZE_16 | UDMA_CHCTL_DSTINC_NONE |
+ UDMA_CHCTL_SRCSIZE_16 | UDMA_CHCTL_SRCINC_NONE |
UDMA_CHCTL_ARBSIZE_4 |
UDMA_CHCTL_XFERSIZE(n) |
UDMA_CHCTL_XFERMODE_BASIC;
@@ -608,20 +608,20 @@ void spi_lld_receive(SPIDriver *spip, size_t n, void *rxbuf)
{
tiva_udma_table_entry_t *primary = udmaControlTable.primary;
- if ((spip->config->cr0 & TIVA_CR0_DSS_MASK) < 8) {
+ if ((spip->config->cr0 & SSI_CR0_DSS_M) < 8) {
/* Configure for 8-bit transfers.*/
primary[spip->dmatxnr].srcendp = (volatile void *)&dummytx;
- primary[spip->dmatxnr].dstendp = &spip->ssi->DR;
- primary[spip->dmatxnr].chctl = UDMA_CHCTL_DSTSIZE_8 | UDMA_CHCTL_DSTINC_0 |
- UDMA_CHCTL_SRCSIZE_8 | UDMA_CHCTL_SRCINC_0 |
+ primary[spip->dmatxnr].dstendp = (void *)(spip->ssi + SSI_O_DR);
+ primary[spip->dmatxnr].chctl = UDMA_CHCTL_DSTSIZE_8 | UDMA_CHCTL_DSTINC_NONE |
+ UDMA_CHCTL_SRCSIZE_8 | UDMA_CHCTL_SRCINC_NONE |
UDMA_CHCTL_ARBSIZE_4 |
UDMA_CHCTL_XFERSIZE(n) |
UDMA_CHCTL_XFERMODE_BASIC;
- primary[spip->dmarxnr].srcendp = &spip->ssi->DR;
+ primary[spip->dmarxnr].srcendp = (void *)(spip->ssi + SSI_O_DR);
primary[spip->dmarxnr].dstendp = rxbuf+n-1;
primary[spip->dmarxnr].chctl = UDMA_CHCTL_DSTSIZE_8 | UDMA_CHCTL_DSTINC_8 |
- UDMA_CHCTL_SRCSIZE_8 | UDMA_CHCTL_SRCINC_0 |
+ UDMA_CHCTL_SRCSIZE_8 | UDMA_CHCTL_SRCINC_NONE |
UDMA_CHCTL_ARBSIZE_4 |
UDMA_CHCTL_XFERSIZE(n) |
UDMA_CHCTL_XFERMODE_BASIC;
@@ -629,17 +629,17 @@ void spi_lld_receive(SPIDriver *spip, size_t n, void *rxbuf)
else {
/* Configure for 16-bit transfers.*/
primary[spip->dmatxnr].srcendp = (volatile void *)&dummytx;
- primary[spip->dmatxnr].dstendp = &spip->ssi->DR;
- primary[spip->dmatxnr].chctl = UDMA_CHCTL_DSTSIZE_16 | UDMA_CHCTL_DSTINC_0 |
- UDMA_CHCTL_SRCSIZE_16 | UDMA_CHCTL_SRCINC_0 |
+ primary[spip->dmatxnr].dstendp = (void *)(spip->ssi + SSI_O_DR);
+ primary[spip->dmatxnr].chctl = UDMA_CHCTL_DSTSIZE_16 | UDMA_CHCTL_DSTINC_NONE |
+ UDMA_CHCTL_SRCSIZE_16 | UDMA_CHCTL_SRCINC_NONE |
UDMA_CHCTL_ARBSIZE_4 |
UDMA_CHCTL_XFERSIZE(n) |
UDMA_CHCTL_XFERMODE_BASIC;
- primary[spip->dmarxnr].srcendp = &spip->ssi->DR;
+ primary[spip->dmarxnr].srcendp = (void *)(spip->ssi + SSI_O_DR);
primary[spip->dmarxnr].dstendp = rxbuf+(n*2)-1;
primary[spip->dmarxnr].chctl = UDMA_CHCTL_DSTSIZE_16 | UDMA_CHCTL_DSTINC_16 |
- UDMA_CHCTL_SRCSIZE_16 | UDMA_CHCTL_SRCINC_0 |
+ UDMA_CHCTL_SRCSIZE_16 | UDMA_CHCTL_SRCINC_NONE |
UDMA_CHCTL_ARBSIZE_4 |
UDMA_CHCTL_XFERSIZE(n) |
UDMA_CHCTL_XFERMODE_BASIC;
@@ -674,10 +674,10 @@ void spi_lld_receive(SPIDriver *spip, size_t n, void *rxbuf)
*/
uint16_t spi_lld_polled_exchange(SPIDriver *spip, uint16_t frame)
{
- spip->ssi->DR = (uint32_t)frame;
- while ((spip->ssi->SR & TIVA_SR_RNE) == 0)
+ HWREG(spip->ssi + SSI_O_DR) = (uint32_t)frame;
+ while ((HWREG(spip->ssi + SSI_O_SR) & SSI_SR_RNE) == 0)
;
- return (uint16_t)spip->ssi->DR;
+ return (uint16_t)HWREG(spip->ssi + SSI_O_DR);
}
#endif /* HAL_USE_SPI */