/*
 *  spreadspace avr utils
 *
 *
 *  Copyright (C) 2013-2018 Christian Pointner <equinox@spreadspace.org>
 *
 *  This file is part of spreadspace avr utils.
 *
 *  spreadspace avr utils is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  any later version.
 *
 *  spreadspace avr utils is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with spreadspace avr utils. If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef SPREADAVR_cc1101_h_INCLUDED
#define SPREADAVR_cc1101_h_INCLUDED

#ifdef __cplusplus
extern "C" {
#endif

typedef enum { unknown, sleep, idle, xoff, mancal, fs_wakeup, calibrate, settling, rx, txrx_settling,
               rxfifo_overflow, fstxon, tx, rxtx_settling, txfifo_underflow } cc1101_state_t;
char* cc1101_state_to_string(cc1101_state_t);

#define CC1101_FREQ_CORR(xtal) ((float)(xtal/65536.0))

typedef struct {
  void (*spi_cs_enable)(void);
  void (*spi_cs_disable)(void);
  uint8_t (*spi_read_miso)(void);
  void (*spi_write_byte)(const uint8_t);
  uint8_t (*spi_read_byte)(void);
  uint8_t (*spi_transfer_byte)(const uint8_t);
  float freq_corr;
} cc1101_driver_conf_t;

// high level interface

void cc1101_init(cc1101_driver_conf_t conf);
void cc1101_reg_init(void);
void cc1101_soft_reset(void);

void cc1101_powerdown(void);
void cc1101_idle(void);
void cc1101_osc_off(void);
void cc1101_calibrate(void);
void cc1101_fasttxon(void);
void cc1101_rx(void);
void cc1101_tx(void);
void cc1101_reset_rx_fifo(void);
void cc1101_reset_tx_fifo(void);
cc1101_state_t cc1101_get_state(void);

uint32_t cc1101_get_freq_hz(void);
void cc1101_set_freq_hz(uint32_t hz);

// normalized register access

uint8_t cc1101_get_iocfg0(void);
void cc1101_set_iocfg0(uint8_t iocfg);
uint8_t cc1101_get_iocfg1(void);
void cc1101_set_iocfg1(uint8_t iocfg);
uint8_t cc1101_get_iocfg2(void);
void cc1101_set_iocfg2(uint8_t iocfg);

uint8_t cc1101_get_fifothr(void);
void cc1101_set_fifothr(uint8_t fifothr);

uint16_t cc1101_get_sync(void);
void cc1101_set_sync(uint16_t sync);
uint8_t cc1101_get_pktlen(void);
void cc1101_set_pktlen(uint8_t len);
uint16_t cc1101_get_pktctrl(void);
void cc1101_set_pktctrl(uint16_t ctrl);
uint8_t cc1101_get_addr(void);
void cc1101_set_addr(uint8_t addr);

uint8_t cc1101_get_channr(void);
void cc1101_set_channr(uint8_t nr);
uint8_t cc1101_get_iffreq(void);
void cc1101_set_iffreq(uint8_t iffreq);
uint8_t cc1101_get_freq_offset(void);
void cc1101_set_freq_offset(uint8_t freqoff);
uint32_t cc1101_get_freq(void);
void cc1101_set_freq(uint32_t freq);
uint32_t cc1101_get_modemcfg(void);
void cc1101_set_modemcfg(uint32_t cfg);
uint16_t cc1101_get_drate_bw(void);
void cc1101_set_drate_bw(uint16_t cfg);
uint8_t cc1101_get_deviatn(void);
void cc1101_set_deviatn(uint8_t dev);

uint32_t cc1101_get_mcsm(void);
void cc1101_set_mcsm(uint32_t cfg);

uint8_t cc1101_get_foccfg(void);
void cc1101_set_foccfg(uint8_t cfg);
uint8_t cc1101_get_bscfg(void);
void cc1101_set_bscfg(uint8_t cfg);
uint32_t cc1101_get_agcctrl(void);
void cc1101_set_agcctrl(uint32_t ctrl);
uint16_t cc1101_get_worevt(void);
void cc1101_set_worevt(uint16_t timeout);
uint8_t cc1101_get_worctrl(void);
void cc1101_set_worctrl(uint8_t ctrl);

uint16_t cc1101_get_frend(void);
void cc1101_set_frend(uint16_t cfg);
uint32_t cc1101_get_fscal(void);
void cc1101_set_fscal(uint32_t cal);
uint16_t cc1101_get_rcctrl(void);
void cc1101_set_rcctrl(uint16_t ctrl);

uint8_t cc1101_get_fstest(void);
void cc1101_set_fstest(uint8_t test);
uint8_t cc1101_get_ptest(void);
void cc1101_set_ptest(uint8_t test);
uint8_t cc1101_get_agctest(void);
void cc1101_set_agctest(uint8_t test);
uint8_t cc1101_get_test0(void);
void cc1101_set_test0(uint8_t test);
uint8_t cc1101_get_test1(void);
void cc1101_set_test1(uint8_t test);
uint8_t cc1101_get_test2(void);
void cc1101_set_test2(uint8_t test);

uint8_t cc1101_get_partnum(void);
uint8_t cc1101_get_chip_version(void);
uint8_t cc1101_get_freq_offset_est(void);
uint8_t cc1101_get_lqi(void);
int8_t cc1101_get_rssi(void);
uint8_t cc1101_get_marcstate(void);
uint16_t cc1101_get_wortime(void);
uint8_t cc1101_get_pkt_status(void);
uint8_t cc1101_get_vco_vc_dac(void);
uint8_t cc1101_get_tx_bytes(void);
uint8_t cc1101_get_rx_bytes(void);
uint8_t cc1101_get_rcctrl0_status(void);
uint8_t cc1101_get_rcctrl1_status(void);

uint8_t cc1101_read_patable(uint8_t* data, const uint8_t len);
uint8_t cc1101_write_patable(const uint8_t* data, const uint8_t len);
uint8_t cc1101_read_rxfifo(uint8_t* data, const uint8_t len);
uint8_t cc1101_write_txfifo(const uint8_t* data, const uint8_t len);

void cc1101_dump_register(void);

#ifdef __cplusplus
}
#endif

#endif