| /* ---------------------------------------------------------------------------- */ | |
| /* Atmel Microcontroller Software Support */ | |
| /* SAM Software Package License */ | |
| /* ---------------------------------------------------------------------------- */ | |
| /* Copyright (c) 2014, Atmel Corporation */ | |
| /* */ | |
| /* All rights reserved. */ | |
| /* */ | |
| /* Redistribution and use in source and binary forms, with or without */ | |
| /* modification, are permitted provided that the following condition is met: */ | |
| /* */ | |
| /* - Redistributions of source code must retain the above copyright notice, */ | |
| /* this list of conditions and the disclaimer below. */ | |
| /* */ | |
| /* Atmel's name may not be used to endorse or promote products derived from */ | |
| /* this software without specific prior written permission. */ | |
| /* */ | |
| /* DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR */ | |
| /* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF */ | |
| /* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE */ | |
| /* DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT, */ | |
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| /* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ | |
| /* ---------------------------------------------------------------------------- */ | |
| #ifndef _SAM_SPI_COMPONENT_ | |
| #define _SAM_SPI_COMPONENT_ | |
| /* ============================================================================= */ | |
| /** SOFTWARE API DEFINITION FOR Serial Peripheral Interface */ | |
| /* ============================================================================= */ | |
| /** \addtogroup SAM_SPI Serial Peripheral Interface */ | |
| /*@{*/ | |
| #if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) | |
| /** \brief Spi hardware registers */ | |
| typedef struct { | |
| __O uint32_t SPI_CR; /**< \brief (Spi Offset: 0x00) Control Register */ | |
| __IO uint32_t SPI_MR; /**< \brief (Spi Offset: 0x04) Mode Register */ | |
| __I uint32_t SPI_RDR; /**< \brief (Spi Offset: 0x08) Receive Data Register */ | |
| __O uint32_t SPI_TDR; /**< \brief (Spi Offset: 0x0C) Transmit Data Register */ | |
| __I uint32_t SPI_SR; /**< \brief (Spi Offset: 0x10) Status Register */ | |
| __O uint32_t SPI_IER; /**< \brief (Spi Offset: 0x14) Interrupt Enable Register */ | |
| __O uint32_t SPI_IDR; /**< \brief (Spi Offset: 0x18) Interrupt Disable Register */ | |
| __I uint32_t SPI_IMR; /**< \brief (Spi Offset: 0x1C) Interrupt Mask Register */ | |
| __I uint32_t Reserved1[4]; | |
| __IO uint32_t SPI_CSR[4]; /**< \brief (Spi Offset: 0x30) Chip Select Register */ | |
| __I uint32_t Reserved2[41]; | |
| __IO uint32_t SPI_WPMR; /**< \brief (Spi Offset: 0xE4) Write Protection Control Register */ | |
| __I uint32_t SPI_WPSR; /**< \brief (Spi Offset: 0xE8) Write Protection Status Register */ | |
| __I uint32_t Reserved3[4]; | |
| __I uint32_t SPI_VERSION; /**< \brief (Spi Offset: 0x00FC) Version Register */ | |
| } Spi; | |
| #endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */ | |
| /* -------- SPI_CR : (SPI Offset: 0x00) Control Register -------- */ | |
| #define SPI_CR_SPIEN (0x1u << 0) /**< \brief (SPI_CR) SPI Enable */ | |
| #define SPI_CR_SPIDIS (0x1u << 1) /**< \brief (SPI_CR) SPI Disable */ | |
| #define SPI_CR_SWRST (0x1u << 7) /**< \brief (SPI_CR) SPI Software Reset */ | |
| #define SPI_CR_LASTXFER (0x1u << 24) /**< \brief (SPI_CR) Last Transfer */ | |
| /* -------- SPI_MR : (SPI Offset: 0x04) Mode Register -------- */ | |
| #define SPI_MR_MSTR (0x1u << 0) /**< \brief (SPI_MR) Master/Slave Mode */ | |
| #define SPI_MR_PS (0x1u << 1) /**< \brief (SPI_MR) Peripheral Select */ | |
| #define SPI_MR_PCSDEC (0x1u << 2) /**< \brief (SPI_MR) Chip Select Decode */ | |
| #define SPI_MR_MODFDIS (0x1u << 4) /**< \brief (SPI_MR) Mode Fault Detection */ | |
| #define SPI_MR_WDRBT (0x1u << 5) /**< \brief (SPI_MR) Wait Data Read Before Transfer */ | |
| #define SPI_MR_LLB (0x1u << 7) /**< \brief (SPI_MR) Local Loopback Enable */ | |
| #define SPI_MR_PCS_Pos 16 | |
| #define SPI_MR_PCS_Msk (0xfu << SPI_MR_PCS_Pos) /**< \brief (SPI_MR) Peripheral Chip Select */ | |
| #define SPI_MR_PCS(value) ((SPI_MR_PCS_Msk & ((value) << SPI_MR_PCS_Pos))) | |
| #define SPI_MR_DLYBCS_Pos 24 | |
| #define SPI_MR_DLYBCS_Msk (0xffu << SPI_MR_DLYBCS_Pos) /**< \brief (SPI_MR) Delay Between Chip Selects */ | |
| #define SPI_MR_DLYBCS(value) ((SPI_MR_DLYBCS_Msk & ((value) << SPI_MR_DLYBCS_Pos))) | |
| /* -------- SPI_RDR : (SPI Offset: 0x08) Receive Data Register -------- */ | |
| #define SPI_RDR_RD_Pos 0 | |
| #define SPI_RDR_RD_Msk (0xffffu << SPI_RDR_RD_Pos) /**< \brief (SPI_RDR) Receive Data */ | |
| #define SPI_RDR_PCS_Pos 16 | |
| #define SPI_RDR_PCS_Msk (0xfu << SPI_RDR_PCS_Pos) /**< \brief (SPI_RDR) Peripheral Chip Select */ | |
| /* -------- SPI_TDR : (SPI Offset: 0x0C) Transmit Data Register -------- */ | |
| #define SPI_TDR_TD_Pos 0 | |
| #define SPI_TDR_TD_Msk (0xffffu << SPI_TDR_TD_Pos) /**< \brief (SPI_TDR) Transmit Data */ | |
| #define SPI_TDR_TD(value) ((SPI_TDR_TD_Msk & ((value) << SPI_TDR_TD_Pos))) | |
| #define SPI_TDR_PCS_Pos 16 | |
| #define SPI_TDR_PCS_Msk (0xfu << SPI_TDR_PCS_Pos) /**< \brief (SPI_TDR) Peripheral Chip Select */ | |
| #define SPI_TDR_PCS(value) ((SPI_TDR_PCS_Msk & ((value) << SPI_TDR_PCS_Pos))) | |
| #define SPI_TDR_LASTXFER (0x1u << 24) /**< \brief (SPI_TDR) Last Transfer */ | |
| /* -------- SPI_SR : (SPI Offset: 0x10) Status Register -------- */ | |
| #define SPI_SR_RDRF (0x1u << 0) /**< \brief (SPI_SR) Receive Data Register Full */ | |
| #define SPI_SR_TDRE (0x1u << 1) /**< \brief (SPI_SR) Transmit Data Register Empty */ | |
| #define SPI_SR_MODF (0x1u << 2) /**< \brief (SPI_SR) Mode Fault Error */ | |
| #define SPI_SR_OVRES (0x1u << 3) /**< \brief (SPI_SR) Overrun Error Status */ | |
| #define SPI_SR_NSSR (0x1u << 8) /**< \brief (SPI_SR) NSS Rising */ | |
| #define SPI_SR_TXEMPTY (0x1u << 9) /**< \brief (SPI_SR) Transmission Registers Empty */ | |
| #define SPI_SR_UNDES (0x1u << 10) /**< \brief (SPI_SR) Underrun Error Status (Slave Mode Only) */ | |
| #define SPI_SR_SPIENS (0x1u << 16) /**< \brief (SPI_SR) SPI Enable Status */ | |
| /* -------- SPI_IER : (SPI Offset: 0x14) Interrupt Enable Register -------- */ | |
| #define SPI_IER_RDRF (0x1u << 0) /**< \brief (SPI_IER) Receive Data Register Full Interrupt Enable */ | |
| #define SPI_IER_TDRE (0x1u << 1) /**< \brief (SPI_IER) SPI Transmit Data Register Empty Interrupt Enable */ | |
| #define SPI_IER_MODF (0x1u << 2) /**< \brief (SPI_IER) Mode Fault Error Interrupt Enable */ | |
| #define SPI_IER_OVRES (0x1u << 3) /**< \brief (SPI_IER) Overrun Error Interrupt Enable */ | |
| #define SPI_IER_NSSR (0x1u << 8) /**< \brief (SPI_IER) NSS Rising Interrupt Enable */ | |
| #define SPI_IER_TXEMPTY (0x1u << 9) /**< \brief (SPI_IER) Transmission Registers Empty Enable */ | |
| #define SPI_IER_UNDES (0x1u << 10) /**< \brief (SPI_IER) Underrun Error Interrupt Enable */ | |
| /* -------- SPI_IDR : (SPI Offset: 0x18) Interrupt Disable Register -------- */ | |
| #define SPI_IDR_RDRF (0x1u << 0) /**< \brief (SPI_IDR) Receive Data Register Full Interrupt Disable */ | |
| #define SPI_IDR_TDRE (0x1u << 1) /**< \brief (SPI_IDR) SPI Transmit Data Register Empty Interrupt Disable */ | |
| #define SPI_IDR_MODF (0x1u << 2) /**< \brief (SPI_IDR) Mode Fault Error Interrupt Disable */ | |
| #define SPI_IDR_OVRES (0x1u << 3) /**< \brief (SPI_IDR) Overrun Error Interrupt Disable */ | |
| #define SPI_IDR_NSSR (0x1u << 8) /**< \brief (SPI_IDR) NSS Rising Interrupt Disable */ | |
| #define SPI_IDR_TXEMPTY (0x1u << 9) /**< \brief (SPI_IDR) Transmission Registers Empty Disable */ | |
| #define SPI_IDR_UNDES (0x1u << 10) /**< \brief (SPI_IDR) Underrun Error Interrupt Disable */ | |
| /* -------- SPI_IMR : (SPI Offset: 0x1C) Interrupt Mask Register -------- */ | |
| #define SPI_IMR_RDRF (0x1u << 0) /**< \brief (SPI_IMR) Receive Data Register Full Interrupt Mask */ | |
| #define SPI_IMR_TDRE (0x1u << 1) /**< \brief (SPI_IMR) SPI Transmit Data Register Empty Interrupt Mask */ | |
| #define SPI_IMR_MODF (0x1u << 2) /**< \brief (SPI_IMR) Mode Fault Error Interrupt Mask */ | |
| #define SPI_IMR_OVRES (0x1u << 3) /**< \brief (SPI_IMR) Overrun Error Interrupt Mask */ | |
| #define SPI_IMR_NSSR (0x1u << 8) /**< \brief (SPI_IMR) NSS Rising Interrupt Mask */ | |
| #define SPI_IMR_TXEMPTY (0x1u << 9) /**< \brief (SPI_IMR) Transmission Registers Empty Mask */ | |
| #define SPI_IMR_UNDES (0x1u << 10) /**< \brief (SPI_IMR) Underrun Error Interrupt Mask */ | |
| /* -------- SPI_CSR[4] : (SPI Offset: 0x30) Chip Select Register -------- */ | |
| #define SPI_CSR_CPOL (0x1u << 0) /**< \brief (SPI_CSR[4]) Clock Polarity */ | |
| #define SPI_CSR_NCPHA (0x1u << 1) /**< \brief (SPI_CSR[4]) Clock Phase */ | |
| #define SPI_CSR_CSNAAT (0x1u << 2) /**< \brief (SPI_CSR[4]) Chip Select Not Active After Transfer (Ignored if CSAAT = 1) */ | |
| #define SPI_CSR_CSAAT (0x1u << 3) /**< \brief (SPI_CSR[4]) Chip Select Active After Transfer */ | |
| #define SPI_CSR_BITS_Pos 4 | |
| #define SPI_CSR_BITS_Msk (0xfu << SPI_CSR_BITS_Pos) /**< \brief (SPI_CSR[4]) Bits Per Transfer */ | |
| #define SPI_CSR_BITS_8_BIT (0x0u << 4) /**< \brief (SPI_CSR[4]) 8 bits for transfer */ | |
| #define SPI_CSR_BITS_9_BIT (0x1u << 4) /**< \brief (SPI_CSR[4]) 9 bits for transfer */ | |
| #define SPI_CSR_BITS_10_BIT (0x2u << 4) /**< \brief (SPI_CSR[4]) 10 bits for transfer */ | |
| #define SPI_CSR_BITS_11_BIT (0x3u << 4) /**< \brief (SPI_CSR[4]) 11 bits for transfer */ | |
| #define SPI_CSR_BITS_12_BIT (0x4u << 4) /**< \brief (SPI_CSR[4]) 12 bits for transfer */ | |
| #define SPI_CSR_BITS_13_BIT (0x5u << 4) /**< \brief (SPI_CSR[4]) 13 bits for transfer */ | |
| #define SPI_CSR_BITS_14_BIT (0x6u << 4) /**< \brief (SPI_CSR[4]) 14 bits for transfer */ | |
| #define SPI_CSR_BITS_15_BIT (0x7u << 4) /**< \brief (SPI_CSR[4]) 15 bits for transfer */ | |
| #define SPI_CSR_BITS_16_BIT (0x8u << 4) /**< \brief (SPI_CSR[4]) 16 bits for transfer */ | |
| #define SPI_CSR_SCBR_Pos 8 | |
| #define SPI_CSR_SCBR_Msk (0xffu << SPI_CSR_SCBR_Pos) /**< \brief (SPI_CSR[4]) Serial Clock Baud Rate */ | |
| #define SPI_CSR_SCBR(value) ((SPI_CSR_SCBR_Msk & ((value) << SPI_CSR_SCBR_Pos))) | |
| #define SPI_CSR_DLYBS_Pos 16 | |
| #define SPI_CSR_DLYBS_Msk (0xffu << SPI_CSR_DLYBS_Pos) /**< \brief (SPI_CSR[4]) Delay Before SPCK */ | |
| #define SPI_CSR_DLYBS(value) ((SPI_CSR_DLYBS_Msk & ((value) << SPI_CSR_DLYBS_Pos))) | |
| #define SPI_CSR_DLYBCT_Pos 24 | |
| #define SPI_CSR_DLYBCT_Msk (0xffu << SPI_CSR_DLYBCT_Pos) /**< \brief (SPI_CSR[4]) Delay Between Consecutive Transfers */ | |
| #define SPI_CSR_DLYBCT(value) ((SPI_CSR_DLYBCT_Msk & ((value) << SPI_CSR_DLYBCT_Pos))) | |
| /* -------- SPI_WPMR : (SPI Offset: 0xE4) Write Protection Control Register -------- */ | |
| #define SPI_WPMR_WPEN (0x1u << 0) /**< \brief (SPI_WPMR) Write Protect Enable */ | |
| #define SPI_WPMR_WPKEY_Pos 8 | |
| #define SPI_WPMR_WPKEY_Msk (0xffffffu << SPI_WPMR_WPKEY_Pos) /**< \brief (SPI_WPMR) Write Protect Key */ | |
| #define SPI_WPMR_WPKEY_PASSWD (0x535049u << 8) /**< \brief (SPI_WPMR) Writing any other value in this field aborts the write operation of the WPEN bit.Always reads as 0. */ | |
| /* -------- SPI_WPSR : (SPI Offset: 0xE8) Write Protection Status Register -------- */ | |
| #define SPI_WPSR_WPVS (0x1u << 0) /**< \brief (SPI_WPSR) Write Protection Violation Status */ | |
| #define SPI_WPSR_WPVSRC_Pos 8 | |
| #define SPI_WPSR_WPVSRC_Msk (0xffu << SPI_WPSR_WPVSRC_Pos) /**< \brief (SPI_WPSR) Write Protection Violation Source */ | |
| /* -------- SPI_VERSION : (SPI Offset: 0x00FC) Version Register -------- */ | |
| #define SPI_VERSION_VERSION_Pos 0 | |
| #define SPI_VERSION_VERSION_Msk (0xfffu << SPI_VERSION_VERSION_Pos) /**< \brief (SPI_VERSION) Version of the Hardware Module */ | |
| #define SPI_VERSION_MFN_Pos 16 | |
| #define SPI_VERSION_MFN_Msk (0x7u << SPI_VERSION_MFN_Pos) /**< \brief (SPI_VERSION) Metal Fix Number */ | |
| /*@}*/ | |
| #endif /* _SAM_SPI_COMPONENT_ */ |