/* This project 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 (at your option) any later version. Multiprotocol 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 Multiprotocol. If not, see . */ //------------------------------- //------------------------------- //A7105 SPI routines //------------------------------- //------------------------------- #include "iface_a7105.h" void A7105_WriteData(uint8_t len, uint8_t channel) { uint8_t i; A7105_CS_off; SPI_Write(A7105_RST_WRPTR); SPI_Write(0x05); for (i = 0; i < len; i++) SPI_Write(packet[i]); A7105_CS_on; A7105_WriteReg(0x0F, channel); A7105_Strobe(A7105_TX); } void A7105_ReadData() { uint8_t i; A7105_Strobe(0xF0); //A7105_RST_RDPTR A7105_CS_off; SPI_Write(0x45); for (i=0;i<16;i++) packet[i]=A7105_Read(); A7105_CS_on; } void A7105_WriteReg(uint8_t address, uint8_t data) { A7105_CS_off; SPI_Write(address); NOP(); SPI_Write(data); A7105_CS_on; } uint8_t A7105_ReadReg(uint8_t address) { uint8_t result; A7105_CS_off; SPI_Write(address |=0x40); //bit 6 =1 for reading result = A7105_Read(); A7105_CS_on; return(result); } uint8_t A7105_Read(void) { uint8_t result=0; SDI_SET_INPUT; for(uint8_t i=0;i<8;i++) { result=result<<1; if(SDI_1) ///if SDIO =1 result |= 0x01; SCK_on; NOP(); SCK_off; } SDI_SET_OUTPUT; return result; } //------------------------ void A7105_SetTxRxMode(uint8_t mode) { if(mode == TX_EN) { A7105_WriteReg(A7105_0B_GPIO1_PIN1, 0x33); A7105_WriteReg(A7105_0C_GPIO2_PIN_II, 0x31); } else if (mode == RX_EN) { A7105_WriteReg(A7105_0B_GPIO1_PIN1, 0x31); A7105_WriteReg(A7105_0C_GPIO2_PIN_II, 0x33); } else { //The A7105 seems to some with a cross-wired power-amp (A7700) //On the XL7105-D03, TX_EN -> RXSW and RX_EN -> TXSW //This means that sleep mode is wired as RX_EN = 1 and TX_EN = 1 //If there are other amps in use, we'll need to fix this A7105_WriteReg(A7105_0B_GPIO1_PIN1, 0x33); A7105_WriteReg(A7105_0C_GPIO2_PIN_II, 0x33); } } //------------------------ uint8_t A7105_Reset() { uint8_t result; A7105_WriteReg(0x00, 0x00); delayMilliseconds(1); A7105_SetTxRxMode(TXRX_OFF); //Set both GPIO as output and low result=A7105_ReadReg(0x10) == 0x9E; //check if is reset. A7105_Strobe(A7105_STANDBY); return result; } void A7105_WriteID(uint32_t ida) { A7105_CS_off; SPI_Write(0x06);//ex id=0x5475c52a ;txid3txid2txid1txid0 SPI_Write((ida>>24)&0xff);//53 SPI_Write((ida>>16)&0xff);//75 SPI_Write((ida>>8)&0xff);//c5 SPI_Write((ida>>0)&0xff);//2a A7105_CS_on; } /* static void A7105_SetPower_Value(int power) { //Power amp is ~+16dBm so: //TXPOWER_100uW = -23dBm == PAC=0 TBG=0 //TXPOWER_300uW = -20dBm == PAC=0 TBG=1 //TXPOWER_1mW = -16dBm == PAC=0 TBG=2 //TXPOWER_3mW = -11dBm == PAC=0 TBG=4 //TXPOWER_10mW = -6dBm == PAC=1 TBG=5 //TXPOWER_30mW = 0dBm == PAC=2 TBG=7 //TXPOWER_100mW = 1dBm == PAC=3 TBG=7 //TXPOWER_150mW = 1dBm == PAC=3 TBG=7 uint8_t pac, tbg; switch(power) { case 0: pac = 0; tbg = 0; break; case 1: pac = 0; tbg = 1; break; case 2: pac = 0; tbg = 2; break; case 3: pac = 0; tbg = 4; break; case 4: pac = 1; tbg = 5; break; case 5: pac = 2; tbg = 7; break; case 6: pac = 3; tbg = 7; break; case 7: pac = 3; tbg = 7; break; default: pac = 0; tbg = 0; break; }; A7105_WriteReg(0x28, (pac << 3) | tbg); } */ void A7105_SetPower() { uint8_t power=A7105_BIND_POWER; if(IS_BIND_DONE_on) power=IS_POWER_FLAG_on?A7105_HIGH_POWER:A7105_LOW_POWER; if(IS_RANGE_FLAG_on) power=A7105_RANGE_POWER; if(prev_power != power) { A7105_WriteReg(0x28, power); prev_power=power; } } void A7105_Strobe(uint8_t address) { A7105_CS_off; SPI_Write(address); A7105_CS_on; } const uint8_t PROGMEM HUBSAN_A7105_regs[] = { 0xFF, 0x63, 0xFF, 0x0F, 0xFF, 0xFF, 0xFF ,0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x05, 0x04, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x2B, 0xFF, 0xFF, 0x62, 0x80, 0xFF, 0xFF, 0x0A, 0xFF, 0xFF, 0x07, 0x17, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x47, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF }; const uint8_t PROGMEM FLYSKY_A7105_regs[] = { 0xff, 0x42, 0x00, 0x14, 0x00, 0xff, 0xff ,0x00, 0x00, 0x00, 0x00, 0x01, 0x21, 0x05, 0x00, 0x50, 0x9e, 0x4b, 0x00, 0x02, 0x16, 0x2b, 0x12, 0x00, 0x62, 0x80, 0x80, 0x00, 0x0a, 0x32, 0xc3, 0x0f, 0x13, 0xc3, 0x00, 0xff, 0x00, 0x00, 0x3b, 0x00, 0x17, 0x47, 0x80, 0x03, 0x01, 0x45, 0x18, 0x00, 0x01, 0x0f, 0xff }; #define ID_NORMAL 0x55201041 #define ID_PLUS 0xAA201041 void A7105_Init(uint8_t protocol) { void *A7105_Regs; if(protocol==INIT_FLYSKY) { A7105_WriteID(0x5475c52A);//0x2Ac57554 A7105_Regs=(void *)FLYSKY_A7105_regs; } else { A7105_WriteID(ID_NORMAL); A7105_Regs=(void *)HUBSAN_A7105_regs; } for (uint8_t i = 0; i < 0x33; i++){ if( pgm_read_byte_near((uint16_t)(A7105_Regs)+i) != 0xFF) A7105_WriteReg(i, pgm_read_byte_near((uint16_t)(A7105_Regs)+i)); } A7105_Strobe(A7105_STANDBY); //IF Filter Bank Calibration A7105_WriteReg(A7105_02_CALC,1); while(A7105_ReadReg(A7105_02_CALC)); // Wait for calibration to end // A7105_ReadReg(A7105_22_IF_CALIB_I); // A7105_ReadReg(A7105_24_VCO_CURCAL); if(protocol==INIT_FLYSKY) { //VCO Current Calibration A7105_WriteReg(A7105_24_VCO_CURCAL,0x13); //Recommended calibration from A7105 Datasheet //VCO Bank Calibration A7105_WriteReg(A7105_26_VCO_SBCAL_II,0x3b); //Recommended calibration from A7105 Datasheet } //VCO Bank Calibrate channel 0 A7105_WriteReg(A7105_0F_CHANNEL, 0); A7105_WriteReg(A7105_02_CALC,2); while(A7105_ReadReg(A7105_02_CALC)); // Wait for calibration to end // A7105_ReadReg(A7105_25_VCO_SBCAL_I); //VCO Bank Calibrate channel A0 A7105_WriteReg(A7105_0F_CHANNEL, 0xa0); A7105_WriteReg(A7105_02_CALC, 2); while(A7105_ReadReg(A7105_02_CALC)); // Wait for calibration to end // A7105_ReadReg(A7105_25_VCO_SBCAL_I); //Reset VCO Band calibration if(protocol==INIT_FLYSKY) A7105_WriteReg(A7105_25_VCO_SBCAL_I,0x08); A7105_SetTxRxMode(TX_EN); A7105_SetPower(); A7105_Strobe(A7105_STANDBY); }