diff options
author | marcoveeneman <marco-veeneman@hotmail.com> | 2016-10-30 09:35:00 +0100 |
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committer | GitHub <noreply@github.com> | 2016-10-30 09:35:00 +0100 |
commit | a45d952fad0cea3cc22a1fc88245fb3328c3f6cc (patch) | |
tree | 7ab233f7efa82da3540f76b316ebae4882228632 /os/hal/ports/TIVA/LLD/SSI/hal_spi_lld.c | |
parent | 9abfd6d27a5bbef23e84aa70814c26682eb147f6 (diff) | |
parent | 7e3ef128a4f10aae16ee18a73ae488c6f3185f71 (diff) | |
download | ChibiOS-Contrib-a45d952fad0cea3cc22a1fc88245fb3328c3f6cc.tar.gz ChibiOS-Contrib-a45d952fad0cea3cc22a1fc88245fb3328c3f6cc.tar.bz2 ChibiOS-Contrib-a45d952fad0cea3cc22a1fc88245fb3328c3f6cc.zip |
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.c | 158 |
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 */ |