src/main/drivers/rx/rx_a7105.h

   1 /*
   2  * This file is part of Cleanflight and Betaflight.
   3  *
   4  * Cleanflight and Betaflight are free software. You can redistribute
   5  * this software and/or modify this software under the terms of the
   6  * GNU General Public License as published by the Free Software
   7  * Foundation, either version 3 of the License, or (at your option)
   8  * any later version.
   9  *
  10  * Cleanflight and Betaflight are distributed in the hope that they
  11  * will be useful, but WITHOUT ANY WARRANTY; without even the implied
  12  * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  13  * See the GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this software.
  17  *
  18  * If not, see <http://www.gnu.org/licenses/>.
  19  */
  20
  21 #pragma once
  22
  23 /* A7105 states for strobe */
  24 typedef enum {
  25     A7105_SLEEP = 0x80,
  26     A7105_IDLE = 0x90,
  27     A7105_STANDBY = 0xA0,
  28     A7105_PLL = 0xB0,
  29     A7105_RX = 0xC0,
  30     A7105_TX = 0xD0,
  31     A7105_RST_WRPTR = 0xE0,
  32     A7105_RST_RDPTR = 0xF0
  33 } A7105State_t;
  34
  35 /* Register addresses */
  36 typedef enum {
  37     A7105_00_MODE = 0x00,
  38     A7105_01_MODE_CONTROL = 0x01,
  39     A7105_02_CALC = 0x02,
  40     A7105_03_FIFOI = 0x03,
  41     A7105_04_FIFOII = 0x04,
  42     A7105_05_FIFO_DATA = 0x05,
  43     A7105_06_ID_DATA = 0x06,
  44     A7105_07_RC_OSC_I = 0x07,
  45     A7105_08_RC_OSC_II = 0x08,
  46     A7105_09_RC_OSC_III = 0x09,
  47     A7105_0A_CK0_PIN = 0x0A,
  48     A7105_0B_GPIO1_PIN_I = 0x0B,
  49     A7105_0C_GPIO2_PIN_II = 0x0C,
  50     A7105_0D_CLOCK = 0x0D,
  51     A7105_0E_DATA_RATE = 0x0E,
  52     A7105_0F_PLL_I = 0x0F,
  53     A7105_0F_CHANNEL = 0x0F,
  54     A7105_10_PLL_II = 0x10,
  55     A7105_11_PLL_III = 0x11,
  56     A7105_12_PLL_IV = 0x12,
  57     A7105_13_PLL_V = 0x13,
  58     A7105_14_TX_I = 0x14,
  59     A7105_15_TX_II = 0x15,
  60     A7105_16_DELAY_I = 0x16,
  61     A7105_17_DELAY_II = 0x17,
  62     A7105_18_RX = 0x18,
  63     A7105_19_RX_GAIN_I = 0x19,
  64     A7105_1A_RX_GAIN_II = 0x1A,
  65     A7105_1B_RX_GAIN_III = 0x1B,
  66     A7105_1C_RX_GAIN_IV = 0x1C,
  67     A7105_1D_RSSI_THOLD = 0x1D,
  68     A7105_1E_ADC = 0x1E,
  69     A7105_1F_CODE_I = 0x1F,
  70     A7105_20_CODE_II = 0x20,
  71     A7105_21_CODE_III = 0x21,
  72     A7105_22_IF_CALIB_I = 0x22,
  73     A7105_23_IF_CALIB_II = 0x23,
  74     A7105_24_VCO_CURCAL = 0x24,
  75     A7105_25_VCO_SBCAL_I = 0x25,
  76     A7105_26_VCO_SBCAL_II = 0x26,
  77     A7105_27_BATTERY_DET = 0x27,
  78     A7105_28_TX_TEST = 0x28,
  79     A7105_29_RX_DEM_TEST_I = 0x29,
  80     A7105_2A_RX_DEM_TEST_II = 0x2A,
  81     A7105_2B_CPC = 0x2B,
  82     A7105_2C_XTAL_TEST = 0x2C,
  83     A7105_2D_PLL_TEST = 0x2D,
  84     A7105_2E_VCO_TEST_I = 0x2E,
  85     A7105_2F_VCO_TEST_II = 0x2F,
  86     A7105_30_IFAT = 0x30,
  87     A7105_31_RSCALE = 0x31,
  88     A7105_32_FILTER_TEST = 0x32,
  89 } A7105Reg_t;
  90
  91 /* Register: A7105_00_MODE */
  92 #define A7105_MODE_FECF        0x40    // [0]: FEC pass. [1]: FEC error. (FECF is read only, it is updated internally while receiving every packet.)
  93 #define A7105_MODE_CRCF        0x20    // [0]: CRC pass. [1]: CRC error. (CRCF is read only, it is updated internally while receiving every packet.)
  94 #define A7105_MODE_CER         0x10    // [0]: RF chip is disabled. [1]: RF chip is enabled.
  95 #define A7105_MODE_XER         0x08    // [0]: Crystal oscillator is disabled. [1]: Crystal oscillator is enabled.
  96 #define A7105_MODE_PLLER       0x04    // [0]: PLL is disabled. [1]: PLL is enabled.
  97 #define A7105_MODE_TRSR        0x02    // [0]: RX state. [1]: TX state. Serviceable if TRER=1 (TRX is enable).
  98 #define A7105_MODE_TRER        0x01    // [0]: TRX is disabled. [1]: TRX is enabled.
  99
 100 void A7105Init(uint32_t id, IO_t txEnPin);
 101 void A7105SoftReset(void);
 102 void A7105Config(const uint8_t *regsTable, uint8_t size);
 103
 104 uint8_t A7105ReadReg(A7105Reg_t reg);
 105 void A7105WriteReg(A7105Reg_t reg, uint8_t data);
 106 void A7105Strobe(A7105State_t state);
 107
 108 void A7105WriteID(uint32_t id);
 109 uint32_t A7105ReadID(void);
 110
 111 void A7105ReadFIFO(uint8_t *data, uint8_t num);
 112 void A7105WriteFIFO(uint8_t *data, uint8_t num);
 113
 114 bool A7105RxTxFinished(uint32_t *timeStamp);