590 lines
16 KiB
C++
590 lines
16 KiB
C++
/*
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* Copyright (C) 2014 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "fmr.h"
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#ifdef LOG_TAG
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#undef LOG_TAG
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#endif
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#define LOG_TAG "FMLIB_COM"
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static int g_stopscan = 0;
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int COM_open_dev(const char *pname, int *fd)
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{
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int ret = 0;
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int tmp = -1;
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FMR_ASSERT(pname);
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FMR_ASSERT(fd);
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LOGI("COM_open_dev start\n");
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tmp = open(pname, O_RDWR);
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if (tmp < 0) {
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LOGE("Open %s failed, %s\n", pname, strerror(errno));
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ret = -ERR_INVALID_FD;
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}
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*fd = tmp;
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LOGI("%s, [fd=%d] [ret=%d]\n", __func__, *fd, ret);
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return ret;
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}
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int COM_close_dev(int fd)
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{
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int ret = 0;
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LOGI("COM_close_dev start\n");
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ret = close(fd);
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if (ret) {
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LOGE("%s, failed\n", __func__);
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}
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LOGD("%s, [fd=%d] [ret=%d]\n", __func__, fd, ret);
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return ret;
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}
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int COM_pwr_up(int fd, int band, int freq)
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{
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int ret = 0;
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struct fm_tune_parm parm;
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LOGI("%s, [freq=%d]\n", __func__, freq);
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bzero(&parm, sizeof(struct fm_tune_parm));
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parm.band = band;
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parm.freq = freq;
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parm.hilo = FM_AUTO_HILO_OFF;
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parm.space = FM_SEEK_SPACE;
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ret = ioctl(fd, FM_IOCTL_POWERUP, &parm);
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if (ret) {
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LOGE("%s, failed\n", __func__);
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}
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LOGD("%s, [fd=%d] [ret=%d]\n", __func__, fd, ret);
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return ret;
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}
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int COM_pwr_down(int fd, int type)
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{
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int ret = 0;
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LOGI("%s, [type=%d]\n", __func__, type);
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ret = ioctl(fd, FM_IOCTL_POWERDOWN, &type);
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if (ret) {
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LOGE("%s, failed\n", __func__);
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}
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LOGD("%s, [fd=%d] [ret=%d]\n", __func__, fd, ret);
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return ret;
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}
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/*0x20: space, 0x7E:~*/
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#define ISVALID(c)((c)>=0x20 && (c)<=0x7E)
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/*change any char which out of [0x20,0x7E]to space(0x20)*/
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void COM_change_string(uint8_t *str, int len)
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{
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int i = 0;
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for (i=0; i<len; i++) {
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if (false == ISVALID(str[i])) {
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str[i]= 0x20;
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}
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}
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}
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int COM_get_ps(int fd, RDSData_Struct *rds, uint8_t **ps, int *ps_len)
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{
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int ret = 0;
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char tmp_ps[9] = {0};
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FMR_ASSERT(rds);
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FMR_ASSERT(ps);
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FMR_ASSERT(ps_len);
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if (rds->event_status&RDS_EVENT_PROGRAMNAME) {
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LOGD("%s, Success,[event_status=%d]\n", __func__, rds->event_status);
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*ps = &rds->PS_Data.PS[3][0];
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*ps_len = sizeof(rds->PS_Data.PS[3]);
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COM_change_string(*ps, *ps_len);
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memcpy(tmp_ps, *ps, 8);
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LOGI("PS=%s\n", tmp_ps);
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} else {
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LOGE("%s, Failed,[event_status=%d]\n", __func__, rds->event_status);
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*ps = NULL;
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*ps_len = 0;
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ret = -ERR_RDS_NO_DATA;
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}
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return ret;
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}
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int COM_get_rt(int fd, RDSData_Struct *rds, uint8_t **rt, int *rt_len)
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{
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int ret = 0;
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char tmp_rt[65] = { 0 };
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FMR_ASSERT(rds);
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FMR_ASSERT(rt);
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FMR_ASSERT(rt_len);
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if (rds->event_status&RDS_EVENT_LAST_RADIOTEXT) {
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LOGD("%s, Success,[event_status=%d]\n", __func__, rds->event_status);
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*rt = &rds->RT_Data.TextData[3][0];
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*rt_len = rds->RT_Data.TextLength;
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COM_change_string(*rt, *rt_len);
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memcpy(tmp_rt, *rt, 64);
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LOGI("RT=%s\n", tmp_rt);
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} else {
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LOGE("%s, Failed,[event_status=%d]\n", __func__, rds->event_status);
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*rt = NULL;
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*rt_len = 0;
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ret = -ERR_RDS_NO_DATA;
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}
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return ret;
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}
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int COM_get_pi(int fd, RDSData_Struct *rds, uint16_t *pi)
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{
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int ret = 0;
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FMR_ASSERT(rds);
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FMR_ASSERT(pi);
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if (rds->event_status&RDS_EVENT_PI_CODE) {
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LOGD("%s, Success,[event_status=%d] [PI=%d]\n", __func__, rds->event_status, rds->PI);
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*pi = rds->PI;
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} else {
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LOGI("%s, Failed, there's no pi,[event_status=%d]\n", __func__, rds->event_status);
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*pi = -1;
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ret = -ERR_RDS_NO_DATA;
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}
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return ret;
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}
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int COM_tune(int fd, int freq, int band)
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{
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int ret = 0;
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struct fm_tune_parm parm;
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bzero(&parm, sizeof(struct fm_tune_parm));
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parm.band = band;
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parm.freq = freq;
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parm.hilo = FM_AUTO_HILO_OFF;
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parm.space = FM_SEEK_SPACE;
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ret = ioctl(fd, FM_IOCTL_TUNE, &parm);
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if (ret) {
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LOGE("%s, failed\n", __func__);
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}
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LOGD("%s, [fd=%d] [freq=%d] [ret=%d]\n", __func__, fd, freq, ret);
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return ret;
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}
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int COM_seek(int fd, int *freq, int band, int dir, int lev)
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{
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int ret = 0;
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struct fm_seek_parm parm;
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bzero(&parm, sizeof(struct fm_tune_parm));
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parm.band = band;
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parm.freq = *freq;
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parm.hilo = FM_AUTO_HILO_OFF;
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parm.space = FM_SEEK_SPACE;
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if (dir == 1) {
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parm.seekdir = FM_SEEK_UP;
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} else if (dir == 0) {
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parm.seekdir = FM_SEEK_DOWN;
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}
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parm.seekth = lev;
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ret = ioctl(fd, FM_IOCTL_SEEK, &parm);
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if (ret == 0) {
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*freq = parm.freq;
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}
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LOGD("%s, [fd=%d] [ret=%d]\n", __func__, fd, ret);
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return ret;
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}
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int COM_set_mute(int fd, int mute)
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{
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int ret = 0;
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int tmp = mute;
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LOGD("%s, start \n", __func__);
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ret = ioctl(fd, FM_IOCTL_MUTE, &tmp);
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if (ret) {
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LOGE("%s, failed\n", __func__);
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}
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LOGD("%s, [fd=%d] [ret=%d]\n", __func__, fd, ret);
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return ret;
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}
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int COM_is_fm_pwrup(int fd, int *pwrup)
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{
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int ret = 0;
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ret = ioctl(fd, FM_IOCTL_IS_FM_POWERED_UP, pwrup);
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if (ret) {
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LOGE("%s, failed\n", __func__);
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}
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LOGD("%s, [fd=%d] [ret=%d]\n", __func__, fd, ret);
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return ret;
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}
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/******************************************
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* Inquiry if RDS is support in driver.
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* Parameter:
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* None
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*supt Value:
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* 1: support
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* 0: NOT support
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* -1: error
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******************************************/
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int COM_is_rdsrx_support(int fd, int *supt)
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{
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int ret = 0;
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int support = -1;
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if (fd < 0) {
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LOGE("FM isRDSsupport fail, g_fm_fd = %d\n", fd);
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*supt = -1;
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ret = -ERR_INVALID_FD;
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return ret;
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}
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ret = ioctl(fd, FM_IOCTL_RDS_SUPPORT, &support);
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if (ret) {
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LOGE("FM FM_IOCTL_RDS_SUPPORT fail, errno = %d\n", errno);
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//don't support
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*supt = 0;
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return ret;
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}
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LOGI("isRDSsupport Success,[support=%d]\n", support);
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*supt = support;
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return ret;
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}
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int COM_pre_search(int fd)
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{
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fm_s32 ret = 0;
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ret = ioctl(fd, FM_IOCTL_PRE_SEARCH, 0);
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LOGD("COM_pre_search:%d\n",ret);
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return ret;
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}
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int COM_restore_search(int fd)
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{
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fm_s32 ret = 0;
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ret = ioctl(fd, FM_IOCTL_RESTORE_SEARCH, 0);
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LOGD("COM_restore_search:%d\n",ret);
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return ret;
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}
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/*soft mute tune function, usually for sw scan implement or CQI log tool*/
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int COM_Soft_Mute_Tune(int fd, fm_softmute_tune_t *para)
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{
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fm_s32 ret = 0;
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//fm_s32 RSSI = 0, PAMD = 0,MR = 0, ATDC = 0;
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//fm_u32 PRX = 0;
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//fm_u16 softmuteGainLvl = 0;
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fm_softmute_tune_t value;
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value.freq = para->freq;
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ret = ioctl(fd, FM_IOCTL_SOFT_MUTE_TUNE, &value);
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if (ret) {
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LOGE("FM soft mute tune faild:%d\n",ret);
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return ret;
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}
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#if 0
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LOGD("Raw data of soft mute tune[%d]: RSSI:[%x]PAMD:[%x]MR:[%x]ATDC:[%x]PRX:[%x]SMG:[%x]",para->freq,value.RSSI,value.PAMD,value.MR,value.ATDC,value.PRX,value.SMG);
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RSSI = ((value.RSSI & 0x03FF) >= 512) ? ((value.RSSI & 0x03FF) - 1024) : (value.RSSI & 0x03FF);
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PAMD = ((value.PAMD & 0xFF) >= 128) ? ((value.PAMD & 0x00FF) - 256) : (value.PAMD & 0x00FF);
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MR = ((value.MR & 0x01FF) >= 256) ? ((value.MR & 0x01FF) - 512) : (value.MR & 0x01FF);
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ATDC =((value.ATDC & 0x0FFF) >= 2048) ? ((value.ATDC & 0x0FFF) - 4096) : (value.ATDC & 0x0FFF);
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if (ATDC < 0) {
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ATDC = (~(ATDC)) - 1;//Get abs value of ATDC
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}
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PRX = (value.PRX & 0x00FF);
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softmuteGainLvl = value.SMG;
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//check if the channel is valid according to each CQIs
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if ((RSSI >= RSSI_TH)
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&& (PAMD <= PAMD_TH)
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&& (ATDC <= ATDC_TH)
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&& (MR >= MR_TH)
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&& (PRX >= PRX_TH)
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&& (softmuteGainLvl <= softMuteGainTH)) {
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para->valid = fm_true;
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} else {
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para->valid = fm_false;
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}
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#endif
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para->valid = value.valid;
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para->rssi = value.rssi;
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//LOGI("soft mute tune[%d] valid[%d]: RSSI:[%d]PAMD:[%d]MR:[%d]ATDC:[%d]PRX:[%d]SMG:[%d]",para->freq,para->valid,RSSI,PAMD,MR,ATDC,PRX,softmuteGainLvl);
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return 0;
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}
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int COM_get_cqi(int fd, int num, char *buf, int buf_len)
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{
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int ret;
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struct fm_cqi_req cqi_req;
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//check buf
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num = (num > CQI_CH_NUM_MAX) ? CQI_CH_NUM_MAX : num;
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num = (num < CQI_CH_NUM_MIN) ? CQI_CH_NUM_MIN : num;
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cqi_req.ch_num = (uint16_t)num;
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cqi_req.buf_size = cqi_req.ch_num * sizeof(struct fm_cqi);
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if (!buf || (buf_len < cqi_req.buf_size)) {
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LOGE("get cqi, invalid buf\n");
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return -1;
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}
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cqi_req.cqi_buf = buf;
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//get cqi from driver
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ret = ioctl(fd, FM_IOCTL_CQI_GET, &cqi_req);
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if (ret < 0) {
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LOGE("get cqi, failed %d\n", ret);
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return -1;
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}
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return 0;
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}
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int COM_turn_on_off_rds(int fd, int onoff)
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{
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int ret = 0;
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uint16_t rds_on = -1;
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LOGD("Rdsset start\n");
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if (onoff == FMR_RDS_ON) {
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rds_on = 1;
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ret = ioctl(fd, FM_IOCTL_RDS_ONOFF, &rds_on);
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if (ret) {
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LOGE("FM_IOCTL_RDS_ON failed\n");
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return ret;
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}
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LOGD("Rdsset Success,[rds_on=%d]\n", rds_on);
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} else {
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rds_on = 0;
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ret = ioctl(fd, FM_IOCTL_RDS_ONOFF, &rds_on);
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if (ret) {
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LOGE("FM_IOCTL_RDS_OFF failed\n");
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return ret;
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}
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LOGD("Rdsset Success,[rds_on=%d]\n", rds_on);
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}
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return ret;
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}
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int COM_get_chip_id(int fd, int *chipid)
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{
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int ret = 0;
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uint16_t tmp = 0;
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FMR_ASSERT(chipid);
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ret = ioctl(fd, FM_IOCTL_GETCHIPID, &tmp);
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*chipid = (int)tmp;
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if (ret) {
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LOGE("%s, failed\n", __func__);
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}
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LOGD("%s, [fd=%d] [chipid=%x] [ret=%d]\n", __func__, fd, *chipid, ret);
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return ret;
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}
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int COM_read_rds_data(int fd, RDSData_Struct *rds, uint16_t *rds_status)
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{
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int ret = 0;
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uint16_t event_status;
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//char tmp_ps[9] = {0};
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//char tmp_rt[65] = { 0 };
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FMR_ASSERT(rds);
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FMR_ASSERT(rds_status);
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if (read(fd, rds, sizeof(RDSData_Struct)) == sizeof(RDSData_Struct)) {
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event_status = rds->event_status;
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//memcpy(tmp_ps, &rds->PS_Data.PS[3][0], 8);
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//memcpy(tmp_rt, &rds->RT_Data.TextData[3][0], 64);
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LOGI("event_status = 0x%x\n", event_status);
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//memset(tmp_ps, 0, 9);
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//memset(tmp_rt, 0, 65);
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*rds_status = event_status;
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return ret;
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} else {
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//LOGE("readrds get no event\n");
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ret = -ERR_RDS_NO_DATA;
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}
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return ret;
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}
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int COM_active_af(int fd, RDSData_Struct *rds, int band, uint16_t cur_freq, uint16_t *ret_freq)
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{
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int ret = 0;
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int i = 0;
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struct fm_tune_parm parm;
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uint16_t rds_on = 0;
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uint16_t set_freq, sw_freq, org_freq, PAMD_Value, AF_PAMD_LBound, AF_PAMD_HBound;
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uint16_t PAMD_Level[25];
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uint16_t PAMD_DB_TBL[5] = {// 5dB, 10dB, 15dB, 20dB, 25dB,
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// 13, 17, 21, 25, 29};
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8, 12, 15, 18, 20};
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FMR_ASSERT(rds);
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FMR_ASSERT(ret_freq);
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sw_freq = cur_freq; //current freq
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org_freq = cur_freq;
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parm.band = band;
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parm.freq = sw_freq;
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parm.hilo = FM_AUTO_HILO_OFF;
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parm.space = FM_SPACE_DEFAULT;
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if (!(rds->event_status&RDS_EVENT_AF)) {
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LOGE("activeAF failed\n");
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*ret_freq = 0;
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ret = -ERR_RDS_NO_DATA;
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return ret;
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}
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AF_PAMD_LBound = PAMD_DB_TBL[0]; //5dB
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AF_PAMD_HBound = PAMD_DB_TBL[1]; //15dB
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ioctl(fd, FM_IOCTL_GETCURPAMD, &PAMD_Value);
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LOGI("current_freq=%d,PAMD_Value=%d\n", cur_freq, PAMD_Value);
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if (PAMD_Value < AF_PAMD_LBound) {
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rds_on = 0;
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ioctl(fd, FM_IOCTL_RDS_ONOFF, &rds_on);
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//make sure rds->AF_Data.AF_Num is valid
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rds->AF_Data.AF_Num = (rds->AF_Data.AF_Num > 25)? 25 : rds->AF_Data.AF_Num;
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for (i=0; i<rds->AF_Data.AF_Num; i++) {
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set_freq = rds->AF_Data.AF[1][i]; //method A or B
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if (set_freq != org_freq) {
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parm.freq = set_freq;
|
|
ioctl(fd, FM_IOCTL_TUNE, &parm);
|
|
usleep(250*1000);
|
|
ioctl(fd, FM_IOCTL_GETCURPAMD, &PAMD_Level[i]);
|
|
LOGI("next_freq=%d,PAMD_Level=%d\n", parm.freq, PAMD_Level[i]);
|
|
if (PAMD_Level[i] > PAMD_Value) {
|
|
PAMD_Value = PAMD_Level[i];
|
|
sw_freq = set_freq;
|
|
}
|
|
}
|
|
}
|
|
LOGI("PAMD_Value=%d, sw_freq=%d\n", PAMD_Value, sw_freq);
|
|
if ((PAMD_Value > AF_PAMD_HBound)&&(sw_freq != 0)) {
|
|
parm.freq = sw_freq;
|
|
ioctl(fd, FM_IOCTL_TUNE, &parm);
|
|
cur_freq = parm.freq;
|
|
} else {
|
|
parm.freq = org_freq;
|
|
ioctl(fd, FM_IOCTL_TUNE, &parm);
|
|
cur_freq = parm.freq;
|
|
}
|
|
rds_on = 1;
|
|
ioctl(fd, FM_IOCTL_RDS_ONOFF, &rds_on);
|
|
} else {
|
|
LOGD("RDS_EVENT_AF old freq:%d\n", org_freq);
|
|
}
|
|
*ret_freq = cur_freq;
|
|
|
|
return ret;
|
|
}
|
|
|
|
int COM_ana_switch(int fd, int antenna)
|
|
{
|
|
int ret = 0;
|
|
|
|
ret = ioctl(fd, FM_IOCTL_ANA_SWITCH, &antenna);
|
|
if (ret < 0) {
|
|
LOGE("%s: fail, ret = %d\n", __func__, ret);
|
|
}
|
|
|
|
LOGD("%s: [ret = %d]\n", __func__, ret);
|
|
return ret;
|
|
}
|
|
|
|
/* COM_is_dese_chan -- check if gived channel is a de-sense channel or not
|
|
* @fd - fd of "dev/fm"
|
|
* @freq - gived channel
|
|
* return value: 0, not a dese chan; 1, a dese chan; else error NO.
|
|
*/
|
|
int COM_is_dese_chan(int fd, int freq)
|
|
{
|
|
int ret = 0;
|
|
int tmp = freq;
|
|
|
|
ret = ioctl(fd, FM_IOCTL_IS_DESE_CHAN, &freq);
|
|
if (ret < 0) {
|
|
LOGE("%s, failed,ret=%d\n", __func__,ret);
|
|
return ret;
|
|
} else {
|
|
LOGD("[fd=%d] %d --> dese=%d\n", fd, tmp, freq);
|
|
return freq;
|
|
}
|
|
}
|
|
|
|
/* COM_desense_check -- check if gived channel is a de-sense channel or not
|
|
* @fd - fd of "dev/fm"
|
|
* @freq - gived channel
|
|
* @rssi-freq's rssi
|
|
* return value: 0, is desense channel and rssi is less than threshold; 1, not desense channel or it is but rssi is more than threshold.
|
|
*/
|
|
int COM_desense_check(int fd, int freq, int rssi)
|
|
{
|
|
int ret = 0;
|
|
fm_desense_check_t parm;
|
|
|
|
parm.freq = freq;
|
|
parm.rssi = rssi;
|
|
ret = ioctl(fd, FM_IOCTL_DESENSE_CHECK, &parm);
|
|
if (ret < 0) {
|
|
LOGE("%s, failed,ret=%d\n", __func__,ret);
|
|
return ret;
|
|
} else {
|
|
LOGD("[fd=%d] %d --> dese=%d\n", fd,freq,ret);
|
|
return ret;
|
|
}
|
|
}
|
|
|
|
void FM_interface_init(struct fm_cbk_tbl *cbk_tbl)
|
|
{
|
|
//Basic functions.
|
|
cbk_tbl->open_dev = COM_open_dev;
|
|
cbk_tbl->close_dev = COM_close_dev;
|
|
cbk_tbl->pwr_up = COM_pwr_up;
|
|
cbk_tbl->pwr_down = COM_pwr_down;
|
|
cbk_tbl->tune = COM_tune;
|
|
cbk_tbl->set_mute = COM_set_mute;
|
|
cbk_tbl->is_rdsrx_support = COM_is_rdsrx_support;
|
|
cbk_tbl->turn_on_off_rds = COM_turn_on_off_rds;
|
|
cbk_tbl->get_chip_id = COM_get_chip_id;
|
|
//For RDS RX.
|
|
cbk_tbl->read_rds_data = COM_read_rds_data;
|
|
cbk_tbl->get_ps = COM_get_ps;
|
|
cbk_tbl->get_rt = COM_get_rt;
|
|
cbk_tbl->active_af = COM_active_af;
|
|
//FM short antenna
|
|
cbk_tbl->ana_switch = COM_ana_switch;
|
|
cbk_tbl->desense_check = COM_desense_check;
|
|
//soft mute tune
|
|
cbk_tbl->soft_mute_tune = COM_Soft_Mute_Tune;
|
|
cbk_tbl->pre_search = COM_pre_search;
|
|
cbk_tbl->restore_search = COM_restore_search;
|
|
return;
|
|
}
|
|
|