195 lines
5.8 KiB
C
195 lines
5.8 KiB
C
/* ieee802154_cc2520.h - Registers definition for TI CC2520 */
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/*
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* Copyright (c) 2016 Intel Corporation.
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#ifndef __IEEE802154_CC2520_H__
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#define __IEEE802154_CC2520_H__
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#include <linker/sections.h>
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#include <atomic.h>
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#include <spi.h>
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#include <ieee802154/cc2520.h>
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/* Runtime context structure
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***************************
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*/
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struct cc2520_spi {
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struct device *dev;
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u32_t slave;
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/**
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* cmd_buf will use at most 9 bytes:
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* dummy bytes + 8 ieee address bytes
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*/
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u8_t cmd_buf[12];
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};
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struct cc2520_context {
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struct net_if *iface;
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/**************************/
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struct cc2520_gpio_configuration *gpios;
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struct gpio_callback sfd_cb;
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struct gpio_callback fifop_cb;
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struct cc2520_spi spi;
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u8_t mac_addr[8];
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/************TX************/
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struct k_sem tx_sync;
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atomic_t tx;
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/************RX************/
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K_THREAD_STACK_MEMBER(cc2520_rx_stack,
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CONFIG_IEEE802154_CC2520_RX_STACK_SIZE);
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struct k_thread cc2520_rx_thread;
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struct k_sem rx_lock;
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#ifdef CONFIG_IEEE802154_CC2520_CRYPTO
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struct k_sem access_lock;
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#endif
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bool overflow;
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};
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#include "ieee802154_cc2520_regs.h"
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/* Registers useful routines
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***************************
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*/
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u8_t _cc2520_read_reg(struct cc2520_spi *spi,
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bool freg, u8_t addr);
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bool _cc2520_write_reg(struct cc2520_spi *spi, bool freg,
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u8_t addr, u8_t value);
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#define DEFINE_REG_READ(__reg_name, __reg_addr, __freg) \
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static inline u8_t read_reg_##__reg_name(struct cc2520_spi *spi) \
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{ \
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return _cc2520_read_reg(spi, __freg, __reg_addr); \
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}
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#define DEFINE_REG_WRITE(__reg_name, __reg_addr, __freg) \
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static inline bool write_reg_##__reg_name(struct cc2520_spi *spi, \
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u8_t val) \
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{ \
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return _cc2520_write_reg(spi, __freg, __reg_addr, val); \
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}
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#define DEFINE_FREG_READ(__reg_name, __reg_addr) \
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DEFINE_REG_READ(__reg_name, __reg_addr, true)
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#define DEFINE_FREG_WRITE(__reg_name, __reg_addr) \
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DEFINE_REG_WRITE(__reg_name, __reg_addr, true)
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#define DEFINE_SREG_READ(__reg_name, __reg_addr) \
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DEFINE_REG_READ(__reg_name, __reg_addr, false)
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#define DEFINE_SREG_WRITE(__reg_name, __reg_addr) \
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DEFINE_REG_WRITE(__reg_name, __reg_addr, false)
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DEFINE_FREG_READ(excflag0, CC2520_FREG_EXCFLAG0)
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DEFINE_FREG_READ(excflag1, CC2520_FREG_EXCFLAG1)
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DEFINE_FREG_READ(excflag2, CC2520_FREG_EXCFLAG2)
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DEFINE_FREG_READ(gpioctrl0, CC2520_FREG_GPIOCTRL0)
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DEFINE_FREG_READ(gpioctrl1, CC2520_FREG_GPIOCTRL1)
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DEFINE_FREG_READ(gpioctrl2, CC2520_FREG_GPIOCTRL2)
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DEFINE_FREG_READ(gpioctrl3, CC2520_FREG_GPIOCTRL3)
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DEFINE_FREG_READ(gpioctrl4, CC2520_FREG_GPIOCTRL4)
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DEFINE_FREG_READ(gpioctrl5, CC2520_FREG_GPIOCTRL5)
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DEFINE_FREG_READ(gpiopolarity, CC2520_FREG_GPIOPOLARITY)
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DEFINE_FREG_READ(gpioctrl, CC2520_FREG_GPIOCTRL)
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DEFINE_FREG_READ(txfifocnt, CC2520_FREG_TXFIFOCNT)
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DEFINE_FREG_READ(rxfifocnt, CC2520_FREG_RXFIFOCNT)
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DEFINE_FREG_READ(dpustat, CC2520_FREG_DPUSTAT)
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DEFINE_FREG_WRITE(frmctrl0, CC2520_FREG_FRMCTRL0)
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DEFINE_FREG_WRITE(frmctrl1, CC2520_FREG_FRMCTRL1)
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DEFINE_FREG_WRITE(excflag0, CC2520_FREG_EXCFLAG0)
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DEFINE_FREG_WRITE(excflag1, CC2520_FREG_EXCFLAG1)
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DEFINE_FREG_WRITE(excflag2, CC2520_FREG_EXCFLAG2)
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DEFINE_FREG_WRITE(frmfilt0, CC2520_FREG_FRMFILT0)
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DEFINE_FREG_WRITE(frmfilt1, CC2520_FREG_FRMFILT1)
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DEFINE_FREG_WRITE(srcmatch, CC2520_FREG_SRCMATCH)
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DEFINE_FREG_WRITE(fifopctrl, CC2520_FREG_FIFOPCTRL)
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DEFINE_FREG_WRITE(freqctrl, CC2520_FREG_FREQCTRL)
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DEFINE_FREG_WRITE(txpower, CC2520_FREG_TXPOWER)
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DEFINE_FREG_WRITE(ccactrl0, CC2520_FREG_CCACTRL0)
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DEFINE_SREG_WRITE(mdmctrl0, CC2520_SREG_MDMCTRL0)
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DEFINE_SREG_WRITE(mdmctrl1, CC2520_SREG_MDMCTRL1)
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DEFINE_SREG_WRITE(rxctrl, CC2520_SREG_RXCTRL)
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DEFINE_SREG_WRITE(fsctrl, CC2520_SREG_FSCTRL)
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DEFINE_SREG_WRITE(fscal1, CC2520_SREG_FSCAL1)
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DEFINE_SREG_WRITE(agcctrl1, CC2520_SREG_AGCCTRL1)
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DEFINE_SREG_WRITE(adctest0, CC2520_SREG_ADCTEST0)
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DEFINE_SREG_WRITE(adctest1, CC2520_SREG_ADCTEST1)
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DEFINE_SREG_WRITE(adctest2, CC2520_SREG_ADCTEST2)
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DEFINE_SREG_WRITE(extclock, CC2520_SREG_EXTCLOCK)
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/* Memory useful routines
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************************
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*/
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bool _cc2520_write_ram(struct cc2520_spi *spi, u16_t addr,
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u8_t *data_buf, u8_t len);
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#define DEFINE_MEM_WRITE(__mem_name, __addr, __sz) \
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static inline bool write_mem_##__mem_name(struct cc2520_spi *spi, \
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u8_t *buf) \
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{ \
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return _cc2520_write_ram(spi, __addr, buf, __sz); \
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}
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DEFINE_MEM_WRITE(short_addr, CC2520_MEM_SHORT_ADDR, 2)
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DEFINE_MEM_WRITE(pan_id, CC2520_MEM_PAN_ID, 2)
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DEFINE_MEM_WRITE(ext_addr, CC2520_MEM_EXT_ADDR, 8)
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/* Instructions useful routines
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******************************
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*/
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static inline bool _cc2520_command_strobe(struct cc2520_spi *spi,
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u8_t instruction)
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{
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spi_slave_select(spi->dev, spi->slave);
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return (spi_write(spi->dev, &instruction, 1) == 0);
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}
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static inline bool _cc2520_command_strobe_snop(struct cc2520_spi *spi,
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u8_t instruction)
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{
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u8_t ins[2] = {
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instruction,
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CC2520_INS_SNOP
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};
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spi_slave_select(spi->dev, spi->slave);
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return (spi_write(spi->dev, ins, 2) == 0);
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}
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#define DEFINE_STROBE_INSTRUCTION(__ins_name, __ins) \
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static inline bool instruct_##__ins_name(struct cc2520_spi *spi) \
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{ \
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return _cc2520_command_strobe(spi, __ins); \
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}
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#define DEFINE_STROBE_SNOP_INSTRUCTION(__ins_name, __ins) \
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static inline bool instruct_##__ins_name(struct cc2520_spi *spi) \
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{ \
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return _cc2520_command_strobe_snop(spi, __ins); \
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}
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DEFINE_STROBE_INSTRUCTION(srxon, CC2520_INS_SRXON)
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DEFINE_STROBE_INSTRUCTION(srfoff, CC2520_INS_SRFOFF)
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DEFINE_STROBE_INSTRUCTION(stxon, CC2520_INS_STXON)
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DEFINE_STROBE_INSTRUCTION(stxoncca, CC2520_INS_STXONCCA)
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DEFINE_STROBE_INSTRUCTION(sflushrx, CC2520_INS_SFLUSHRX)
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DEFINE_STROBE_INSTRUCTION(sflushtx, CC2520_INS_SFLUSHTX)
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DEFINE_STROBE_INSTRUCTION(sxoscoff, CC2520_INS_SXOSCOFF)
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DEFINE_STROBE_SNOP_INSTRUCTION(sxoscon, CC2520_INS_SXOSCON)
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#endif /* __IEEE802154_CC2520_H__ */
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