From 85ee7fc8e83de7edb19bf2371bf833ca2db5cf04 Mon Sep 17 00:00:00 2001 From: Gregory Nutt Date: Sun, 17 May 2015 18:18:35 -0600 Subject: [PATCH] Add saml_i2c_slave.h for the SAML21 --- arch/arm/src/samdl/chip/samd_i2c_slave.h | 33 ++-- arch/arm/src/samdl/chip/saml_i2c_slave.h | 209 +++++++++++++++++++++++ arch/arm/src/samdl/chip/saml_spi.h | 2 +- 3 files changed, 220 insertions(+), 24 deletions(-) create mode 100644 arch/arm/src/samdl/chip/saml_i2c_slave.h diff --git a/arch/arm/src/samdl/chip/samd_i2c_slave.h b/arch/arm/src/samdl/chip/samd_i2c_slave.h index d519daee241..91a24664166 100644 --- a/arch/arm/src/samdl/chip/samd_i2c_slave.h +++ b/arch/arm/src/samdl/chip/samd_i2c_slave.h @@ -1,7 +1,7 @@ /******************************************************************************************** - * arch/arm/src/samdl/chip/sam_i2c_slave.h + * arch/arm/src/samdl/chip/samd_i2c_slave.h * - * Copyright (C) 2014 Gregory Nutt. All rights reserved. + * Copyright (C) 2014-2015 Gregory Nutt. All rights reserved. * Author: Gregory Nutt * * References: @@ -37,8 +37,8 @@ * ********************************************************************************************/ -#ifndef __ARCH_ARM_SRC_SAMDL_CHIP_SAM_I2C_SLAVE_H -#define __ARCH_ARM_SRC_SAMDL_CHIP_SAM_I2C_SLAVE_H +#ifndef __ARCH_ARM_SRC_SAMDL_CHIP_SAMD_I2C_SLAVE_H +#define __ARCH_ARM_SRC_SAMDL_CHIP_SAMD_I2C_SLAVE_H /******************************************************************************************** * Included Files @@ -49,6 +49,8 @@ #include "chip.h" #include "chip/sam_sercom.h" +#ifdef CONFIG_ARCH_FAMILY_SAMD20 + /******************************************************************************************** * Pre-processor Definitions ********************************************************************************************/ @@ -56,7 +58,6 @@ #define SAM_I2C_CTRLA_OFFSET 0x0000 /* Control A register */ #define SAM_I2C_CTRLB_OFFSET 0x0004 /* Control B register */ -#define SAM_I2C_BAUD_OFFSET 0x000a /* Baud register */ #define SAM_I2C_INTENCLR_OFFSET 0x000c /* Interrupt enable clear register */ #define SAM_I2C_INTENSET_OFFSET 0x000d /* Interrupt enable set register */ #define SAM_I2C_INTFLAG_OFFSET 0x000e /* Interrupt flag and status clear register */ @@ -68,7 +69,6 @@ #define SAM_I2C0_CTRLA (SAM_SERCOM0_BASE+SAM_I2C_CTRLA_OFFSET) #define SAM_I2C0_CTRLB (SAM_SERCOM0_BASE+SAM_I2C_CTRLB_OFFSET) -#define SAM_I2C0_BAUD (SAM_SERCOM0_BASE+SAM_I2C_BAUD_OFFSET) #define SAM_I2C0_INTENCLR (SAM_SERCOM0_BASE+SAM_I2C_INTENCLR_OFFSET) #define SAM_I2C0_INTENSET (SAM_SERCOM0_BASE+SAM_I2C_INTENSET_OFFSET) #define SAM_I2C0_INTFLAG (SAM_SERCOM0_BASE+SAM_I2C_INTFLAG_OFFSET) @@ -78,7 +78,6 @@ #define SAM_I2C1_CTRLA (SAM_SERCOM1_BASE+SAM_I2C_CTRLA_OFFSET) #define SAM_I2C1_CTRLB (SAM_SERCOM1_BASE+SAM_I2C_CTRLB_OFFSET) -#define SAM_I2C1_BAUD (SAM_SERCOM1_BASE+SAM_I2C_BAUD_OFFSET) #define SAM_I2C1_INTENCLR (SAM_SERCOM1_BASE+SAM_I2C_INTENCLR_OFFSET) #define SAM_I2C1_INTENSET (SAM_SERCOM1_BASE+SAM_I2C_INTENSET_OFFSET) #define SAM_I2C1_INTFLAG (SAM_SERCOM1_BASE+SAM_I2C_INTFLAG_OFFSET) @@ -88,7 +87,6 @@ #define SAM_I2C2_CTRLA (SAM_SERCOM2_BASE+SAM_I2C_CTRLA_OFFSET) #define SAM_I2C2_CTRLB (SAM_SERCOM2_BASE+SAM_I2C_CTRLB_OFFSET) -#define SAM_I2C2_BAUD (SAM_SERCOM2_BASE+SAM_I2C_BAUD_OFFSET) #define SAM_I2C2_INTENCLR (SAM_SERCOM2_BASE+SAM_I2C_INTENCLR_OFFSET) #define SAM_I2C2_INTENSET (SAM_SERCOM2_BASE+SAM_I2C_INTENSET_OFFSET) #define SAM_I2C2_INTFLAG (SAM_SERCOM2_BASE+SAM_I2C_INTFLAG_OFFSET) @@ -98,7 +96,6 @@ #define SAM_I2C3_CTRLA (SAM_SERCOM3_BASE+SAM_I2C_CTRLA_OFFSET) #define SAM_I2C3_CTRLB (SAM_SERCOM3_BASE+SAM_I2C_CTRLB_OFFSET) -#define SAM_I2C3_BAUD (SAM_SERCOM3_BASE+SAM_I2C_BAUD_OFFSET) #define SAM_I2C3_INTENCLR (SAM_SERCOM3_BASE+SAM_I2C_INTENCLR_OFFSET) #define SAM_I2C3_INTENSET (SAM_SERCOM3_BASE+SAM_I2C_INTENSET_OFFSET) #define SAM_I2C3_INTFLAG (SAM_SERCOM3_BASE+SAM_I2C_INTFLAG_OFFSET) @@ -108,7 +105,6 @@ #define SAM_I2C4_CTRLA (SAM_SERCOM4_BASE+SAM_I2C_CTRLA_OFFSET) #define SAM_I2C4_CTRLB (SAM_SERCOM4_BASE+SAM_I2C_CTRLB_OFFSET) -#define SAM_I2C4_BAUD (SAM_SERCOM4_BASE+SAM_I2C_BAUD_OFFSET) #define SAM_I2C4_INTENCLR (SAM_SERCOM4_BASE+SAM_I2C_INTENCLR_OFFSET) #define SAM_I2C4_INTENSET (SAM_SERCOM4_BASE+SAM_I2C_INTENSET_OFFSET) #define SAM_I2C4_INTFLAG (SAM_SERCOM4_BASE+SAM_I2C_INTFLAG_OFFSET) @@ -118,7 +114,6 @@ #define SAM_I2C5_CTRLA (SAM_SERCOM5_BASE+SAM_I2C_CTRLA_OFFSET) #define SAM_I2C5_CTRLB (SAM_SERCOM5_BASE+SAM_I2C_CTRLB_OFFSET) -#define SAM_I2C5_BAUD (SAM_SERCOM5_BASE+SAM_I2C_BAUD_OFFSET) #define SAM_I2C5_INTENCLR (SAM_SERCOM5_BASE+SAM_I2C_INTENCLR_OFFSET) #define SAM_I2C5_INTENSET (SAM_SERCOM5_BASE+SAM_I2C_INTENSET_OFFSET) #define SAM_I2C5_INTFLAG (SAM_SERCOM5_BASE+SAM_I2C_INTFLAG_OFFSET) @@ -164,15 +159,6 @@ # define I2C_CTRLB_ACK (0) /* Send ACK */ # define I2C_CTRLB_NCK I2C_CTRLB_ACKACT /* Send NACK */ -/* Baud register (16-bit baud value) */ - -#define I2C_BAUD_SHIFT (0) /* Bits 0-7: Master Baud Rate */ -#define I2C_BAUD_MASK (0xff << I2C_BAUD_SHIFT) -# define I2C_BAUD(n) ((uint16)(n) << I2C_BAUD_SHIFT) -#define I2C_BAUDLOW_SHIFT (8) /* Bits 8-15: Master Baud Rate Low */ -#define I2C_BAUDLOW_MASK (0xff << I2C_BAUDLOW_SHIFT) -# define I2C_BAUDLOW(n) (uint16)(n) << I2C_BAUDLOW_SHIFT) - /* Interrupt enable clear, interrupt enable set, interrupt enable set, interrupt flag and * status clear registers. */ @@ -197,10 +183,10 @@ /* Address register */ #define SPI_ADDR_GENCEN (1 << 0) /* Bit 0: General Call Address Enable */ -#define SPI_ADDR_SHIFT (0) /* Bits 1-7: Address */ +#define SPI_ADDR_SHIFT (1) /* Bits 1-7: Address */ #define SPI_ADDR_MASK (0x7f << SPI_ADDR_SHIFT) # define SPI_ADDR(n) ((uint32_t)(n) << SPI_ADDR_SHIFT) -#define SPI_ADDRMASK_SHIFT (16) /* Bits 17-23: Address Mask */ +#define SPI_ADDRMASK_SHIFT (17) /* Bits 17-23: Address Mask */ #define SPI_ADDRMASK_MASK (0x7f << SPI_ADDRMASK_SHIFT) # define SPI_ADDRMASK(n) ((uint32_t)(n) << SPI_ADDRMASK_SHIFT) @@ -220,4 +206,5 @@ * Public Functions ********************************************************************************************/ -#endif /* __ARCH_ARM_SRC_SAMDL_CHIP_SAM_I2C_SLAVE_H */ +#endif /* CONFIG_ARCH_FAMILY_SAMD20 */ +#endif /* __ARCH_ARM_SRC_SAMDL_CHIP_SAMD_I2C_SLAVE_H */ diff --git a/arch/arm/src/samdl/chip/saml_i2c_slave.h b/arch/arm/src/samdl/chip/saml_i2c_slave.h new file mode 100644 index 00000000000..20fac459f61 --- /dev/null +++ b/arch/arm/src/samdl/chip/saml_i2c_slave.h @@ -0,0 +1,209 @@ +/******************************************************************************************** + * arch/arm/src/samdl/chip/saml_i2c_slave.h + * + * Copyright (C) 2015 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt + * + * References: + * "Atmel SAM L21E / SAM L21G / SAM L21J Smart ARM-Based Microcontroller + * Datasheet", Atmel-42385C-SAML21_Datasheet_Preliminary-03/20/15 + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name NuttX nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ********************************************************************************************/ + +#ifndef __ARCH_ARM_SRC_SAMDL_CHIP_SAML_I2C_SLAVE_H +#define __ARCH_ARM_SRC_SAMDL_CHIP_SAML_I2C_SLAVE_H + +/******************************************************************************************** + * Included Files + ********************************************************************************************/ + +#include + +#include "chip.h" +#include "chip/sam_sercom.h" + +#ifdef CONFIG_ARCH_FAMILY_SAML21 + +/******************************************************************************************** + * Pre-processor Definitions + ********************************************************************************************/ +/* I2C register offsets *********************************************************************/ + +#define SAM_I2C_CTRLA_OFFSET 0x0000 /* Control A register */ +#define SAM_I2C_CTRLB_OFFSET 0x0004 /* Control B register */ +#define SAM_I2C_INTENCLR_OFFSET 0x0014 /* Interrupt enable clear register */ +#define SAM_I2C_INTENSET_OFFSET 0x0016 /* Interrupt enable set register */ +#define SAM_I2C_INTFLAG_OFFSET 0x0018 /* Interrupt flag and status clear register */ +#define SAM_I2C_SYNCBUSY_OFFSET 0x001c /* Synchronization busy register */ +#define SAM_I2C_ADDR_OFFSET 0x0024 /* Address register */ +#define SAM_I2C_DATA_OFFSET 0x0028 /* Data register */ + +/* I2C register addresses *******************************************************************/ + +#define SAM_I2C0_CTRLA (SAM_SERCOM0_BASE+SAM_I2C_CTRLA_OFFSET) +#define SAM_I2C0_CTRLB (SAM_SERCOM0_BASE+SAM_I2C_CTRLB_OFFSET) +#define SAM_I2C0_INTENCLR (SAM_SERCOM0_BASE+SAM_I2C_INTENCLR_OFFSET) +#define SAM_I2C0_INTENSET (SAM_SERCOM0_BASE+SAM_I2C_INTENSET_OFFSET) +#define SAM_I2C0_INTFLAG (SAM_SERCOM0_BASE+SAM_I2C_INTFLAG_OFFSET) +#define SAM_I2C0_ADDR (SAM_SERCOM0_BASE+SAM_I2C_ADDR_OFFSET) +#define SAM_I2C0_DATA (SAM_SERCOM0_BASE+SAM_I2C_DATA_OFFSET) + +#define SAM_I2C1_CTRLA (SAM_SERCOM1_BASE+SAM_I2C_CTRLA_OFFSET) +#define SAM_I2C1_CTRLB (SAM_SERCOM1_BASE+SAM_I2C_CTRLB_OFFSET) +#define SAM_I2C1_INTENCLR (SAM_SERCOM1_BASE+SAM_I2C_INTENCLR_OFFSET) +#define SAM_I2C1_INTENSET (SAM_SERCOM1_BASE+SAM_I2C_INTENSET_OFFSET) +#define SAM_I2C1_INTFLAG (SAM_SERCOM1_BASE+SAM_I2C_INTFLAG_OFFSET) +#define SAM_I2C1_ADDR (SAM_SERCOM1_BASE+SAM_I2C_ADDR_OFFSET) +#define SAM_I2C1_DATA (SAM_SERCOM1_BASE+SAM_I2C_DATA_OFFSET) + +#define SAM_I2C2_CTRLA (SAM_SERCOM2_BASE+SAM_I2C_CTRLA_OFFSET) +#define SAM_I2C2_CTRLB (SAM_SERCOM2_BASE+SAM_I2C_CTRLB_OFFSET) +#define SAM_I2C2_INTENCLR (SAM_SERCOM2_BASE+SAM_I2C_INTENCLR_OFFSET) +#define SAM_I2C2_INTENSET (SAM_SERCOM2_BASE+SAM_I2C_INTENSET_OFFSET) +#define SAM_I2C2_INTFLAG (SAM_SERCOM2_BASE+SAM_I2C_INTFLAG_OFFSET) +#define SAM_I2C2_ADDR (SAM_SERCOM2_BASE+SAM_I2C_ADDR_OFFSET) +#define SAM_I2C2_DATA (SAM_SERCOM2_BASE+SAM_I2C_DATA_OFFSET) + +#define SAM_I2C3_CTRLA (SAM_SERCOM3_BASE+SAM_I2C_CTRLA_OFFSET) +#define SAM_I2C3_CTRLB (SAM_SERCOM3_BASE+SAM_I2C_CTRLB_OFFSET) +#define SAM_I2C3_INTENCLR (SAM_SERCOM3_BASE+SAM_I2C_INTENCLR_OFFSET) +#define SAM_I2C3_INTENSET (SAM_SERCOM3_BASE+SAM_I2C_INTENSET_OFFSET) +#define SAM_I2C3_INTFLAG (SAM_SERCOM3_BASE+SAM_I2C_INTFLAG_OFFSET) +#define SAM_I2C3_ADDR (SAM_SERCOM3_BASE+SAM_I2C_ADDR_OFFSET) +#define SAM_I2C3_DATA (SAM_SERCOM3_BASE+SAM_I2C_DATA_OFFSET) + +#define SAM_I2C4_CTRLA (SAM_SERCOM4_BASE+SAM_I2C_CTRLA_OFFSET) +#define SAM_I2C4_CTRLB (SAM_SERCOM4_BASE+SAM_I2C_CTRLB_OFFSET) +#define SAM_I2C4_INTENCLR (SAM_SERCOM4_BASE+SAM_I2C_INTENCLR_OFFSET) +#define SAM_I2C4_INTENSET (SAM_SERCOM4_BASE+SAM_I2C_INTENSET_OFFSET) +#define SAM_I2C4_INTFLAG (SAM_SERCOM4_BASE+SAM_I2C_INTFLAG_OFFSET) +#define SAM_I2C4_ADDR (SAM_SERCOM4_BASE+SAM_I2C_ADDR_OFFSET) +#define SAM_I2C4_DATA (SAM_SERCOM4_BASE+SAM_I2C_DATA_OFFSET) + +#define SAM_I2C5_CTRLA (SAM_SERCOM5_BASE+SAM_I2C_CTRLA_OFFSET) +#define SAM_I2C5_CTRLB (SAM_SERCOM5_BASE+SAM_I2C_CTRLB_OFFSET) +#define SAM_I2C5_INTENCLR (SAM_SERCOM5_BASE+SAM_I2C_INTENCLR_OFFSET) +#define SAM_I2C5_INTENSET (SAM_SERCOM5_BASE+SAM_I2C_INTENSET_OFFSET) +#define SAM_I2C5_INTFLAG (SAM_SERCOM5_BASE+SAM_I2C_INTFLAG_OFFSET) +#define SAM_I2C5_ADDR (SAM_SERCOM5_BASE+SAM_I2C_ADDR_OFFSET) +#define SAM_I2C5_DATA (SAM_SERCOM5_BASE+SAM_I2C_DATA_OFFSET) + +/* I2C register bit definitions *************************************************************/ + +/* Control A register */ + +#define I2C_CTRLA_SWRST (1 << 0) /* Bit 0: Software reset */ +#define I2C_CTRLA_ENABLE (1 << 1) /* Bit 1: Enable */ +#define I2C_CTRLA_MODE_SHIFT (2) /* Bits 2-4: Operating Mode */ +#define I2C_CTRLA_MODE_MASK (7 << I2C_CTRLA_MODE_SHIFT) +# define I2C_CTRLA_MODE_SLAVE (4 << I2C_CTRLA_MODE_SHIFT) /* I2C slave mode */ +#define I2C_CTRLA_RUNSTDBY (1 << 7) /* Bit 7: Run in standby */ +#define I2C_CTRLA_PINOUT (1 << 16) /* Bit 16: Pin usage */ +# define I2C_CTRLA_1WIRE (0) /* 4-wire operation disabled */ +# define I2C_CTRLA_4WIRE I2C_CTRLA_PINOUT /* 4-wire operation enabled */ +#define I2C_CTRLA_SDAHOLD_SHIFT (20) /* Bits 20-21: SDA Hold Time */ +#define I2C_CTRLA_SDAHOLD_MASK (3 << I2C_CTRLA_SDAHOLD_SHIFT) +# define I2C_CTRLA_SDAHOLD_DIS (0 << I2C_CTRLA_SDAHOLD_SHIFT) /* Disabled */ +# define I2C_CTRLA_SDAHOLD_75NS (1 << I2C_CTRLA_SDAHOLD_SHIFT) /* 50-100ns hold time */ +# define I2C_CTRLA_SDAHOLD_450NS (2 << I2C_CTRLA_SDAHOLD_SHIFT) /* 300-600ns hold time */ +# define I2C_CTRLA_SDAHOLD_600NS (3 << I2C_CTRLA_SDAHOLD_SHIFT) /* 400-800ns hold time */ +#define I2C_CTRLA_SEXTTOEN (1 << 23) /* Bit 23: Slave SCL low extend time-out */ +#define I2C_CTRLA_SPEED_SHIFT (24) /* Bits 24-25: Trnasfer speed */ +#define I2C_CTRLA_SPEED_MASK (3 << I2C_CTRLA_SPEED_SHIFT) +# define I2C_CTRLA_SPEED_STD (0 << I2C_CTRLA_SPEED_SHIFT) /* Standard (<=100KHz) fast <=400KHz */ +# define I2C_CTRLA_SPEED_FAST (1 << I2C_CTRLA_SPEED_SHIFT) /* Fast-mode plase (<=1MHz) */ +# define I2C_CTRLA_SPEED_HIGH (2 << I2C_CTRLA_SPEED_SHIFT) /* High-speed mode (<=3.4Mhz */ +#define I2C_CTRLA_SCLSM (1 << 27) /* Bit 27: SCL clock stretch mode */ +#define I2C_CTRLA_LOWTOUT (1 << 30) /* Bit 30: SCL Low Time-Out */ + +/* Control B register */ + +#define I2C_CTRLB_SMEN (1 << 8) /* Bit 8: Smart Mode Enable */ +#define I2C_CTRLB_GCMD (1 << 9) /* Bit 9: PMBus group commend */ +#define I2C_CTRLB_AACKEN (1 << 10) /* Bit 10: Automatic acknowledge enable */ +#define I2C_CRLB_AMODE_SHIFT (14) /* Bits 14-15: Address Mode */ +#define I2C_CRLB_AMODE_MASK (3 << I2C_CRLB_AMODE_SHIFT) +# define I2C_CRLB_AMODE_MASK (0 << I2C_CRLB_AMODE_SHIFT) /* ADDRMASK used to mask ADDR */ +# define I2C_CRLB_AMODE_2ADDRS (1 << I2C_CRLB_AMODE_SHIFT) /* Slave 2 addresses: ADDR & ADDRMASK */ +# define I2C_CRLB_AMODE_RANGE (2 << I2C_CRLB_AMODE_SHIFT) /* Slave range of addresses: ADDRMASK-ADDR */ +#define I2C_CTRLB_CMD_SHIFT (16) /* Bits 16-17: Command */ +#define I2C_CTRLB_CMD_MASK (3 << I2C_CTRLB_CMD_SHIFT) +# define I2C_CTRLB_CMD_NOACTION (0 << I2C_CTRLB_CMD_SHIFT) /* No action */ +# define I2C_CTRLB_CMD_WAITSTART (2 << I2C_CTRLB_CMD_SHIFT) /* ACK (write) wait for START */ +# define I2C_CTRLB_CMD_ACKREAD (3 << I2C_CTRLB_CMD_SHIFT) /* ACK with read (context dependent) */ +#define I2C_CTRLB_ACKACT (1 << 18) /* Bit 18: Acknowledge Action */ +# define I2C_CTRLB_ACK (0) /* Send ACK */ +# define I2C_CTRLB_NCK I2C_CTRLB_ACKACT /* Send NACK */ + +/* Interrupt enable clear, interrupt enable set, interrupt enable set, interrupt flag and + * status clear registers. + */ + +#define I2C_INT_PREC (1 << 0) /* Bit 0: Stop received interrupt */ +#define I2C_INT_AMATCH (1 << 1) /* Bit 1: Address match interrupt */ +#define I2C_INT_DRDY (1 << 2) /* Bit 2: Data ready interrupt */ +#define I2C_INT_ERROR (1 << 7) /* Bit 7: Error interrupt */ + +#define I2C_INT_ALL (0x87) + +/* Synchronization busy register */ + +#define I2C_SYNCBUSY_SWRST (1 << 0) /* Bit 0: Software reset synchronization busy */ +#define I2C_SYNCBUSY_ENABLE (1 << 1) /* Bit 1: SERCOM enable synchronization busy */ + +/* Address register */ + +#define SPI_ADDR_GENCEN (1 << 0) /* Bit 0: General Call Address Enable */ +#define SPI_ADDR_SHIFT (1) /* Bits 1-10: Address */ +#define SPI_ADDR_MASK (0x3ff << SPI_ADDR_SHIFT) +# define SPI_ADDR(n) ((uint32_t)(n) << SPI_ADDR_SHIFT) +#define SPI_ADDR_TENBITEN (1 << 15) /* Bit 15: */ +#define SPI_ADDRMASK_SHIFT (17) /* Bits 17-26: Address Mask */ +#define SPI_ADDRMASK_MASK (0x3ff << SPI_ADDRMASK_SHIFT) +# define SPI_ADDRMASK(n) ((uint32_t)(n) << SPI_ADDRMASK_SHIFT) + +/* Data register */ + +#define I2C_DATA_MASK (0xff) /* Bits 0-7: Data */ + +/******************************************************************************************** + * Public Types + ********************************************************************************************/ + +/******************************************************************************************** + * Public Data + ********************************************************************************************/ + +/******************************************************************************************** + * Public Functions + ********************************************************************************************/ + +#endif /* CONFIG_ARCH_FAMILY_SAML21 */ +#endif /* __ARCH_ARM_SRC_SAMDL_CHIP_SAML_I2C_SLAVE_H */ diff --git a/arch/arm/src/samdl/chip/saml_spi.h b/arch/arm/src/samdl/chip/saml_spi.h index 83aec952b15..c2a2a26653c 100644 --- a/arch/arm/src/samdl/chip/saml_spi.h +++ b/arch/arm/src/samdl/chip/saml_spi.h @@ -204,7 +204,7 @@ #define SPI_INT_SSL (1 << 3) /* Bit 3: Slave select low interrupt */ #define SPI_INT_ERROR (1 << 7) /* Bit 7: Error interrupt */ -#define SPI_INT_ALL (0x0f) +#define SPI_INT_ALL (0x8f) /* Status register */