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