148 lines
4.1 KiB
C
148 lines
4.1 KiB
C
/* ieee802154_cc1200.h - Registers definition for TI CC1200 */
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/*
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* Copyright (c) 2017 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 ZEPHYR_DRIVERS_IEEE802154_IEEE802154_CC1200_H_
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#define ZEPHYR_DRIVERS_IEEE802154_IEEE802154_CC1200_H_
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#include <linker/sections.h>
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#include <sys/atomic.h>
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#include <drivers/spi.h>
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#include <drivers/ieee802154/cc1200.h>
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/* Note for EMK & EM adapter booster pack users:
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* SPI pins are easy, RESET as well, but when it comes to GPIO:
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* CHIP -> EM adapter
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* GPIO0 -> GPIOA
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* GPIO1 -> reserved (it's SPI MISO)
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* GPIO2 -> GPIOB
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* GPIO3 -> GPIO3
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*/
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enum cc1200_gpio_index {
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CC1200_GPIO_IDX_GPIO0,
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CC1200_GPIO_IDX_MAX,
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};
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struct cc1200_gpio_configuration {
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struct device *dev;
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uint32_t pin;
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};
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/* Runtime context structure
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***************************
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*/
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struct cc1200_context {
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struct net_if *iface;
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/**************************/
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struct cc1200_gpio_configuration gpios[CC1200_GPIO_IDX_MAX];
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struct gpio_callback rx_tx_cb;
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struct device *spi;
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struct spi_config spi_cfg;
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uint8_t mac_addr[8];
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/************RF************/
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const struct cc1200_rf_registers_set *rf_settings;
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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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atomic_t tx_start;
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/************RX************/
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K_THREAD_STACK_MEMBER(rx_stack,
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CONFIG_IEEE802154_CC1200_RX_STACK_SIZE);
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struct k_thread rx_thread;
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struct k_sem rx_lock;
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atomic_t rx;
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};
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#include "ieee802154_cc1200_regs.h"
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/* Registers useful routines
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***************************
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*/
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bool z_cc1200_access_reg(struct cc1200_context *ctx, bool read, uint8_t addr,
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void *data, size_t length, bool extended, bool burst);
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static inline uint8_t cc1200_read_single_reg(struct cc1200_context *ctx,
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uint8_t addr, bool extended)
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{
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uint8_t val;
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if (z_cc1200_access_reg(ctx, true, addr, &val, 1, extended, false)) {
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return val;
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}
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return 0;
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}
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static inline bool cc1200_write_single_reg(struct cc1200_context *ctx,
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uint8_t addr, uint8_t val, bool extended)
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{
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return z_cc1200_access_reg(ctx, false, addr, &val, 1, extended, false);
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}
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static inline bool cc1200_instruct(struct cc1200_context *ctx, uint8_t addr)
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{
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return z_cc1200_access_reg(ctx, false, addr, NULL, 0, false, false);
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}
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#define DEFINE_REG_READ(__reg_name, __reg_addr, __ext) \
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static inline uint8_t read_reg_##__reg_name(struct cc1200_context *ctx) \
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{ \
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return cc1200_read_single_reg(ctx, __reg_addr, __ext); \
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}
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#define DEFINE_REG_WRITE(__reg_name, __reg_addr, __ext) \
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static inline bool write_reg_##__reg_name(struct cc1200_context *ctx, \
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uint8_t val) \
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{ \
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return cc1200_write_single_reg(ctx, __reg_addr, \
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val, __ext); \
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}
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DEFINE_REG_WRITE(iocfg3, CC1200_REG_IOCFG3, false)
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DEFINE_REG_WRITE(iocfg2, CC1200_REG_IOCFG2, false)
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DEFINE_REG_WRITE(iocfg0, CC1200_REG_IOCFG0, false)
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DEFINE_REG_WRITE(pa_cfg1, CC1200_REG_PA_CFG1, false)
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DEFINE_REG_WRITE(pkt_len, CC1200_REG_PKT_LEN, false)
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DEFINE_REG_READ(fs_cfg, CC1200_REG_FS_CFG, false)
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DEFINE_REG_READ(rssi0, CC1200_REG_RSSI0, true)
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DEFINE_REG_READ(pa_cfg1, CC1200_REG_PA_CFG1, false)
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DEFINE_REG_READ(num_txbytes, CC1200_REG_NUM_TXBYTES, true)
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DEFINE_REG_READ(num_rxbytes, CC1200_REG_NUM_RXBYTES, true)
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/* Instructions useful routines
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******************************
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*/
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#define DEFINE_STROBE_INSTRUCTION(__ins_name, __ins_addr) \
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static inline bool instruct_##__ins_name(struct cc1200_context *ctx) \
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{ \
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return cc1200_instruct(ctx, __ins_addr); \
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}
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DEFINE_STROBE_INSTRUCTION(sres, CC1200_INS_SRES)
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DEFINE_STROBE_INSTRUCTION(sfstxon, CC1200_INS_SFSTXON)
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DEFINE_STROBE_INSTRUCTION(sxoff, CC1200_INS_SXOFF)
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DEFINE_STROBE_INSTRUCTION(scal, CC1200_INS_SCAL)
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DEFINE_STROBE_INSTRUCTION(srx, CC1200_INS_SRX)
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DEFINE_STROBE_INSTRUCTION(stx, CC1200_INS_STX)
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DEFINE_STROBE_INSTRUCTION(sidle, CC1200_INS_SIDLE)
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DEFINE_STROBE_INSTRUCTION(safc, CC1200_INS_SAFC)
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DEFINE_STROBE_INSTRUCTION(swor, CC1200_INS_SWOR)
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DEFINE_STROBE_INSTRUCTION(spwd, CC1200_INS_SPWD)
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DEFINE_STROBE_INSTRUCTION(sfrx, CC1200_INS_SFRX)
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DEFINE_STROBE_INSTRUCTION(sftx, CC1200_INS_SFTX)
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DEFINE_STROBE_INSTRUCTION(sworrst, CC1200_INS_SWORRST)
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DEFINE_STROBE_INSTRUCTION(snop, CC1200_INS_SNOP)
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#endif /* ZEPHYR_DRIVERS_IEEE802154_IEEE802154_CC1200_H_ */
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