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authorChristian Pointner <equinox@mur.at>2015-02-24 23:46:38 +0100
committerChristian Pointner <equinox@mur.at>2015-02-24 23:46:38 +0100
commitfa231e9696af24cb1b76a58ea1724129a00a4984 (patch)
tree8f65e65193daa4f1256092e4bd7356cb82fad124 /software/avr.lib/rda1846.c
parenthhd70: added internal functions for bulk read and write (diff)
using external avr-utils now
Diffstat (limited to 'software/avr.lib/rda1846.c')
-rw-r--r--software/avr.lib/rda1846.c485
1 files changed, 0 insertions, 485 deletions
diff --git a/software/avr.lib/rda1846.c b/software/avr.lib/rda1846.c
deleted file mode 100644
index 83cc270..0000000
--- a/software/avr.lib/rda1846.c
+++ /dev/null
@@ -1,485 +0,0 @@
-/*
- * spreadspace avr utils
- *
- *
- * Copyright (C) 2013-2015 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/>.
- */
-
-#include "LUFA/Drivers/Peripheral/TWI.h"
-#include <stdio.h>
-
-#include "rda1846.h"
-#include "rda1846_defines.h"
-
-static uint8_t rda1846_write_register_raw(const uint8_t addr, const uint16_t data)
-{
- if(TWI_StartTransmission(RDA1846_CHIP_ADDR | TWI_ADDRESS_WRITE,10) != TWI_ERROR_NoError)
- return 1;
-
- if(!TWI_SendByte(addr | RDA1846_ADDR_W))
- goto i2c_error;
- if(!TWI_SendByte((uint8_t)(data>>8)))
- goto i2c_error;
- if(!TWI_SendByte((uint8_t)data))
- goto i2c_error;
-
- TWI_StopTransmission();
- return 0;
-
-i2c_error:
- TWI_StopTransmission();
- printf("I2C error (write_register_raw)\r\n");
- return 1;
-}
-
-static uint8_t rda1846_read_register_raw(const uint8_t addr, uint16_t* data)
-{
- if(TWI_StartTransmission(RDA1846_CHIP_ADDR | TWI_ADDRESS_WRITE,10) != TWI_ERROR_NoError)
- return 1;
- if(!TWI_SendByte(addr | RDA1846_ADDR_R))
- goto i2c_error;
-
- if(TWI_StartTransmission(RDA1846_CHIP_ADDR | TWI_ADDRESS_READ,10) != TWI_ERROR_NoError)
- goto i2c_error;
- uint8_t tmp;
- if(!TWI_ReceiveByte(&tmp, 0))
- goto i2c_error;
- *data = tmp << 8;
- if(!TWI_ReceiveByte(&tmp, 1))
- goto i2c_error;
- *data |= tmp;
-
- TWI_StopTransmission();
- return 0;
-
-i2c_error:
- TWI_StopTransmission();
- printf("I2C error (read_register_raw)\r\n");
- return 1;
-}
-
-static uint8_t rda1846_write_register(const uint8_t addr, const uint16_t data)
-{
- if(addr < RDA1846_ADDR_LIMIT)
- return rda1846_write_register_raw(addr, data);
-
- if(addr > RDA1846_ADDR_LIMIT) {
- uint8_t ret = rda1846_write_register_raw(RDA1846_ADDR_LIMIT, 1);
- if(ret) return ret;
-
- ret = rda1846_write_register_raw(addr, data);
- if(ret) return ret;
-
- return rda1846_write_register_raw(RDA1846_ADDR_LIMIT, 0);
- }
- return 1;
-}
-
-static uint8_t rda1846_read_register(const uint8_t addr, uint16_t* data)
-{
- if(addr < RDA1846_ADDR_LIMIT)
- return rda1846_read_register_raw(addr, data);
-
- if(addr > RDA1846_ADDR_LIMIT) {
- uint8_t ret = rda1846_write_register_raw(RDA1846_ADDR_LIMIT, 1);
- if(ret) return ret;
-
- ret = rda1846_read_register_raw(addr - RDA1846_ADDR_LIMIT + 1, data);
- if(ret) return ret;
-
- return rda1846_write_register_raw(RDA1846_ADDR_LIMIT, 0);
- }
- return 1;
-}
-
-static rf_band_t rf_band_;
-static channel_bw_t channel_bw_;
-static rda1846_state_t state_;
-
-/*
- * EXTERNAL INTERFACE
- */
-
-char* rda1846_rf_band_to_string(rf_band_t b)
-{
- switch(b)
- {
- case b_2m: return "2m (134-174 MHz)";
- case b_1m5: return "1.5m (200-260 MHz)";
- case b_70cm: return "70cm (400-520 MHz)";
- }
- return "";
-}
-
-char* rda1846_channel_bw_to_string(channel_bw_t bw)
-{
- switch(bw)
- {
- case bw_12k5: return "12,5 kHz";
- case bw_25k: return "25 kHz";
- }
- return "";
-}
-
-char* rda1846_state_to_string(rda1846_state_t s)
-{
- switch(s)
- {
- case powerdown: return "powerdown";
- case idle: return "idle";
- case receive: return "receiving";
- case transmit: return "transmitting";
- }
- return "";
-}
-
-void rda1846_init(void)
-{
- TWI_Init(TWI_BIT_PRESCALE_1, TWI_BITLENGTH_FROM_FREQ(1, 200000));
-}
-
-void rda1846_reg_init(void)
-{
- rda1846_write_register(RDA1846_REG_CTL, RDA1846_CTL_SOFT_RST);
- rda1846_write_register(RDA1846_REG_CTL, RDA1846_CTL_PDN);
-
- rda1846_write_register(RDA1846_REG_XTAL, RDA1846_XTAL_FREQ);
- rda1846_write_register(RDA1846_REG_ADCLK, RDA1846_ADCLK_FREQ);
- rda1846_write_register(RDA1846_REG_CLK_MODE, RDA1846_CLK_MODE);
-
- rda1846_write_register(RDA1846_REG_RF_BAND, RDA1846_RF_BAND_2M);
- rf_band_ = b_2m;
-
- rda1846_write_register(RDA1846_REG_CTL, RDA1846_CTL_CH_12K5 | RDA1846_CTL_RX_M_TX_M | RDA1846_CTL_PDN);
- channel_bw_ = bw_12k5;
- state_ = idle;
-
- rda1846_write_register(RDA1846_REG_TX_VOICE, RDA1846_TX_VOICE_NONE);
-// rda1846_write_register(RDA1846_REG_TX_VOICE, RDA1846_TX_VOICE_MIC);
-// rda1846_write_register(RDA1846_REG_TX_VOICE, RDA1846_TX_VOICE_TONE2);
-// rda1846_write_register(RDA1846_REG_DTMF_T2, 6689);
-
- rda1846_write_register(RDA1846_REG_DTMF_C01, (RDA1846_DTMF_C0 << 8) | RDA1846_DTMF_C1);
- rda1846_write_register(RDA1846_REG_DTMF_C23, (RDA1846_DTMF_C1 << 8) | RDA1846_DTMF_C3);
- rda1846_write_register(RDA1846_REG_DTMF_C45, (RDA1846_DTMF_C3 << 8) | RDA1846_DTMF_C5);
- rda1846_write_register(RDA1846_REG_DTMF_C67, (RDA1846_DTMF_C6 << 8) | RDA1846_DTMF_C7);
- rda1846_write_register(RDA1846_REG_DTMF_CTL, RDA1846_DTMF_DUAL | RDA1846_DTMF_EN);
- rda1846_write_register(RDA1846_REG_INT, RDA1846_INT_DTMF_IDLE);
-
- rda1846_gpio_default();
-}
-
-void rda1846_soft_reset(void)
-{
- rda1846_write_register(RDA1846_REG_CTL, RDA1846_CTL_SOFT_RST);
-}
-
-
-
-void rda1846_set_band(rf_band_t b)
-{
- uint16_t data = RDA1846_RF_BAND_2M;
- if(b == b_1m5) data = RDA1846_RF_BAND_1M5;
- if(b == b_70cm) data = RDA1846_RF_BAND_70CM;
- if(!rda1846_write_register(RDA1846_REG_RF_BAND, data))
- rf_band_ = b;
-}
-
-rf_band_t rda1846_get_band(void)
-{
- return rf_band_;
-}
-
-void rda1846_set_bw(channel_bw_t bw)
-{
- uint16_t data;
- if(rda1846_read_register(RDA1846_REG_CTL, &data))
- return;
-
- data &= RDA1846_CTL_CH_RESET;
- data |= bw == bw_12k5 ? RDA1846_CTL_CH_12K5 : RDA1846_CTL_CH_25K;
- if(!rda1846_write_register(RDA1846_REG_CTL, data))
- channel_bw_ = bw;
-}
-
-channel_bw_t rda1846_get_bw(void)
-{
- return channel_bw_;
-}
-
-uint8_t rda1846_set_freq_kHz(int32_t freq)
-{
- if((rf_band_ == b_2m && (freq < RDA1846_BAND_2M_LOW || freq > RDA1846_BAND_2M_HIGH)) ||
- (rf_band_ == b_1m5 && (freq < RDA1846_BAND_1M5_LOW || freq > RDA1846_BAND_1M5_HIGH)) ||
- (rf_band_ == b_70cm && (freq < RDA1846_BAND_70CM_LOW || freq > RDA1846_BAND_70CM_HIGH)) )
- return 1;
-
- freq = freq<<3;
- uint8_t ret = rda1846_write_register(RDA1846_REG_FREQH, ((freq>>16) & 0x00003FFF));
- if(ret)
- return 1;
-
- return rda1846_write_register(RDA1846_REG_FREQL, (freq & 0x0000FFFF));
-}
-
-static int32_t corr_freq(int32_t f)
-{
- float corr = RDA1846_FREQ_CORR_2M;
- if(rf_band_ == b_1m5) corr = RDA1846_FREQ_CORR_1M5;
- if(rf_band_ == b_70cm) corr = RDA1846_FREQ_CORR_70CM;
- return (int32_t)(((float)f)/corr);
-}
-
-int32_t rda1846_get_freq_kHz(void)
-{
- if(state_ == powerdown || state_ == idle)
- return -1;
-
- uint16_t data;
- uint8_t ret = rda1846_read_register(RDA1846_REG_FREQH, &data);
- if(ret)
- return -1;
-
- int32_t freq = (((uint32_t)(data & 0x3FFF))<<16);
- ret = rda1846_read_register(RDA1846_REG_FREQL, &data);
- if(ret)
- return -1;
-
- freq = corr_freq((freq+data)>>3);
- return (freq / 8) + ((freq % 8) < 4 ? 0 : 1);
-}
-
-
-
-void rda1846_powerdown(void)
-{
- uint16_t data;
- if(rda1846_read_register(RDA1846_REG_CTL, &data))
- return;
-
- data &= ~(RDA1846_CTL_TX | RDA1846_CTL_RX | RDA1846_CTL_CHIP_CAL | RDA1846_CTL_PDN);
- if(!rda1846_write_register(RDA1846_REG_CTL, data))
- state_ = powerdown;
-}
-
-void rda1846_idle(void)
-{
- uint16_t data;
- if(rda1846_read_register(RDA1846_REG_CTL, &data))
- return;
-
- data &= ~(RDA1846_CTL_TX | RDA1846_CTL_RX | RDA1846_CTL_CHIP_CAL);
- data |= RDA1846_CTL_PDN;
- if(!rda1846_write_register(RDA1846_REG_CTL, data))
- state_ = idle;
-}
-
-void rda1846_receive(void)
-{
- uint16_t data;
- if(rda1846_read_register(RDA1846_REG_CTL, &data))
- return;
-
- data &= ~(RDA1846_CTL_TX);
- data |= RDA1846_CTL_RX | RDA1846_CTL_CHIP_CAL | RDA1846_CTL_PDN;
- if(!rda1846_write_register(RDA1846_REG_CTL, data))
- state_ = receive;
-}
-
-void rda1846_transmit(void)
-{
- uint16_t data;
- if(rda1846_read_register(RDA1846_REG_CTL, &data))
- return;
-
- data &= ~(RDA1846_CTL_RX);
- data |= RDA1846_CTL_TX | RDA1846_CTL_CHIP_CAL | RDA1846_CTL_PDN;
- if(!rda1846_write_register(RDA1846_REG_CTL, data))
- state_ = transmit;
-}
-
-rda1846_state_t rda1846_get_state(void)
-{
- return state_;
-}
-
-
-
-uint16_t rda1846_get_dtmf(uint8_t* idx1, uint8_t* idx2, uint8_t* code, uint8_t* valid)
-{
- uint16_t data;
- if(rda1846_read_register(RDA1846_REG_DTMF_OUT, &data))
- return 0xFFFF;
-
- if(idx1) *idx1 = (uint8_t)((data & 0x0700)>>8);
- if(idx2) *idx2 = (uint8_t)((data & 0x00E0)>>5);
- if(code) *code = (uint8_t)(data & 0x000F);
- if(valid) *valid = data & 0x0010 ? 0 : 1;
-
- return data;
-}
-
-void rda1846_clear_int(void)
-{
- rda1846_write_register(0x00, 0x1846);
-}
-
-
-
-void rda1846_set_volume(int8_t vol)
-{
- uint16_t data;
- if(vol < -30 || vol > 0)
- return;
-
- if(vol >= -15)
- data = 0x000F | (((vol + 15)<<4) & 0xF0);
- else
- data = (vol + 30) & 0x0F;
-
- rda1846_write_register(RDA1846_REG_RX_VOICE, data);
-}
-
-int8_t rda1846_get_volume(void)
-{
- uint16_t data;
- if(rda1846_read_register(RDA1846_REG_RX_VOICE, &data))
- return 1;
-
- return (int8_t)(((data & 0x00F0)>>4) + (data & 0x000F)) - 30;
-}
-
-
-
-void rda1846_gpio_default(void)
-{
- rda1846_write_register(RDA1846_REG_GPIO, RDA1846_GPIO_7_VOX | RDA1846_GPIO_6_SQ |
- RDA1846_GPIO_5_TXON_RF | RDA1846_GPIO_4_RXON_RF |
- RDA1846_GPIO_2_INT);
-}
-
-void rda1846_gpio_AA(void)
-{
- rda1846_write_register(RDA1846_REG_GPIO, RDA1846_GPIO_7_HIGH | RDA1846_GPIO_6_LOW |
- RDA1846_GPIO_5_HIGH | RDA1846_GPIO_4_LOW |
- RDA1846_GPIO_3_HIGH | RDA1846_GPIO_2_LOW |
- RDA1846_GPIO_1_HIGH | RDA1846_GPIO_0_LOW);
-}
-
-void rda1846_gpio_55(void)
-{
- rda1846_write_register(RDA1846_REG_GPIO, RDA1846_GPIO_7_LOW | RDA1846_GPIO_6_HIGH |
- RDA1846_GPIO_5_LOW | RDA1846_GPIO_4_HIGH |
- RDA1846_GPIO_3_LOW | RDA1846_GPIO_2_HIGH |
- RDA1846_GPIO_1_LOW | RDA1846_GPIO_0_HIGH);
-}
-
-void rda1846_gpio_off(void)
-{
- rda1846_write_register(RDA1846_REG_GPIO, RDA1846_GPIO_7_HI_Z | RDA1846_GPIO_6_HI_Z |
- RDA1846_GPIO_5_HI_Z | RDA1846_GPIO_4_HI_Z |
- RDA1846_GPIO_3_HI_Z | RDA1846_GPIO_2_HI_Z |
- RDA1846_GPIO_1_HI_Z | RDA1846_GPIO_0_HI_Z);
-}
-
-
-
-int16_t rda1846_get_rssi(void)
-{
- uint16_t data;
- if(rda1846_read_register(RDA1846_REG_RSSI, &data))
- return -1;
-
- return ((int16_t)(data & 0x03FF) - 135*8);
-}
-
-int16_t rda1846_get_vssi(void)
-{
- uint16_t data;
- if(rda1846_read_register(RDA1846_REG_VSSI, &data))
- return -1;
-
- return (int16_t)data;
-}
-
-uint16_t rda1846_get_flags(void)
-{
- uint16_t data;
- if(rda1846_read_register(RDA1846_REG_FLAG, &data))
- return 0xFFFF;
-
- return data & RDA1846_FLAGS_MASK;
-}
-
-
-
-static char* rda1846_regaddr_to_string(uint8_t addr)
-{
- switch(addr) {
- case RDA1846_REG_CTL: return "CTL";
- case RDA1846_REG_GPIO: return "GPIO";
- case RDA1846_REG_INT: return "INT";
- case RDA1846_REG_FLAG: return "FLAG";
- case RDA1846_REG_RSSI: return "RSSI";
- case RDA1846_REG_VSSI: return "VSSI";
- case RDA1846_REG_CLK_MODE: return "CLK_MODE";
- case RDA1846_REG_XTAL: return "XTAL";
- case RDA1846_REG_ADCLK: return "ADCLK";
- case RDA1846_REG_RF_BAND: return "RF_BAND";
- case RDA1846_REG_FREQH: return "FREQH";
- case RDA1846_REG_FREQL: return "FREQL";
- case RDA1846_REG_PA_BIAS: return "PA_BIAS";
- case RDA1846_REG_TX_VOICE: return "TX_VOICE";
- case RDA1846_REG_VOX_OPEN: return "VOX_OPEN";
- case RDA1846_REG_VOX_SHUT: return "VOX_SHUT";
- case RDA1846_REG_SUBAUDIO: return "SUBAUDIO";
- case RDA1846_REG_RX_VOICE: return "RX_VOICE";
- case RDA1846_REG_SQ_OPEN: return "SQ_OPEN";
- case RDA1846_REG_SQ_SHUT: return "SQ_SHUT";
- case RDA1846_REG_DTMF_CTL: return "DTMF_CTL";
- case RDA1846_REG_DTMF_T1: return "DTMF_T1";
- case RDA1846_REG_DTMF_T2: return "DTMF_T2";
- case RDA1846_REG_DTMF_C01: return "DTMF_C01";
- case RDA1846_REG_DTMF_C23: return "DTMF_C23";
- case RDA1846_REG_DTMF_C45: return "DTMF_C45";
- case RDA1846_REG_DTMF_C67: return "DTMF_C67";
- case RDA1846_REG_DTMF_OUT: return "DTMF_OUT";
- default: return "unknown";
- }
-}
-
-void rda1846_dump_register(void)
-{
- printf("RDA1846: register dump\r\n");
-
- const uint8_t regs[] = { RDA1846_REG_CLK_MODE, RDA1846_REG_XTAL, RDA1846_REG_ADCLK,
- RDA1846_REG_RF_BAND, RDA1846_REG_FREQH, RDA1846_REG_FREQL,
- RDA1846_REG_CTL, RDA1846_REG_INT, RDA1846_REG_GPIO,
- RDA1846_REG_PA_BIAS, RDA1846_REG_TX_VOICE, RDA1846_REG_VOX_OPEN, RDA1846_REG_VOX_SHUT,
- RDA1846_REG_SUBAUDIO, RDA1846_REG_RX_VOICE, RDA1846_REG_SQ_OPEN, RDA1846_REG_SQ_SHUT,
- RDA1846_REG_DTMF_CTL, RDA1846_REG_DTMF_OUT, RDA1846_REG_DTMF_T1, RDA1846_REG_DTMF_T2,
- RDA1846_REG_RSSI, RDA1846_REG_VSSI, RDA1846_REG_FLAG };
-
- int i;
- for(i=0; i<sizeof(regs); ++i) {
- uint16_t data;
- if(rda1846_read_register(regs[i], &data))
- data = 0xFFFF;
- printf(" 0x%02X (%s): 0x%04X\r\n", regs[i], rda1846_regaddr_to_string(regs[i]), data);
- }
-}