287 lines
7.5 KiB
C
287 lines
7.5 KiB
C
#include "system/includes.h"
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#include "syscfg_id.h"
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#include "fm/fm.h"
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#include "fm/fm_manage.h"
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#include "fm/fm_rw.h"
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#if TCFG_APP_FM_EN
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/*************************************************************
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此文件函数主要是fm模式vm 保存 消息api
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注意：在逻辑操作上，sdk大部分是使用了虚拟频点,即(1,、2、3、4)代替了8750、8760、8770等真实的频率
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转换规则：真实 = REAL_FREQ(虚拟)
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虚拟 = VIRTUAL_FREQ(真实)
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**************************************************************/
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#define FM_USE_MALLOC_VM 1//使用静态变量优化vm访问
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#if FM_USE_MALLOC_VM
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FM_INFO *__this_fm_info = NULL;
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#endif
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/*----------------------------------------------------------------------------*/
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/*@brief 获取一个byte中有几个位被置一
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@param byte ：所传进去的byte
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@return 被置一位数
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@note u8 get_total_mem_channel(void)
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*/
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/*----------------------------------------------------------------------------*/
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static u8 __my_get_one_count(u8 byte)
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{
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u8 count = 0 ;
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while (byte) {
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count++ ;
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byte &= (byte - 1) ;
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}
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return count ;
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}
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/*----------------------------------------------------------------------------*/
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/**@brief 获取全部记录的频道
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@param 无
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@return 频道总数
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@note u8 get_total_mem_channel(void)
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*/
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/*----------------------------------------------------------------------------*/
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u16 get_total_mem_channel(void)
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{
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FM_INFO fm_info = {0};
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fm_read_info(&fm_info);
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return fm_info.total_chanel;
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}
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/*----------------------------------------------------------------------------*/
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/**@brief 根据频点偏移量获取频道
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@param 输入真实频点
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@return 频道
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@note u8 get_channel_via_fre(u8 fre)
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*/
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/*----------------------------------------------------------------------------*/
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u16 get_channel_via_fre(u16 fre)
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{
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FM_INFO fm_info = {0};
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u16 i, k;
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u16 total = 0;
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fre = VIRTUAL_FREQ(fre);//fre - 874;
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fm_read_info(&fm_info);
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for (i = 0; i < (MEM_FM_LEN); i++) {
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for (k = 0; k < 8; k++) {
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if (fm_info.dat[i] & (BIT(k))) {
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total++;
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if (fre == (i * 8 + k)) {
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return total; //return fre index
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}
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}
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}
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}
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return 0x00;//fm_mode_var->wFreChannel; //find none
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}
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/*----------------------------------------------------------------------------*/
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/**@brief 通过频道获取频点
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@param channel：频道
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@return 有效的频点偏移量
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@note u8 get_fre_via_channle(u8 channel)
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*/
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/*----------------------------------------------------------------------------*/
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u16 get_fre_via_channel(u16 channel)
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{
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FM_INFO fm_info = {0};
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u16 i, k;
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u16 total = 0;
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fm_read_info(&fm_info);
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for (i = 0; i < (MEM_FM_LEN); i++) {
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for (k = 0; k < 8; k++) {
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if (fm_info.dat[i] & (BIT(k))) {
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total++;
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if (total == channel) {
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return i * 8 + k; //fre = MIN_FRE + return val
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}
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}
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}
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}
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return 0; //find none
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}
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/*----------------------------------------------------------------------------*/
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/**@brief 从vm清除所有频点信息
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@param 无
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@return 无
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@note void clear_all_fm_point(void)
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*/
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/*----------------------------------------------------------------------------*/
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void clear_all_fm_point(void)
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{
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FM_INFO fm_info = {0};
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fm_info.mask = FM_VM_MASK;
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fm_info.curFreq = 1;
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fm_info.curChanel = 0;
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fm_info.total_chanel = 0;
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fm_save_info(&fm_info);
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}
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/*----------------------------------------------------------------------------*/
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/**@brief 根据频点偏移量保存到相应的频点位变量到vm
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@param fre：真实频点
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@return 无
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@note void save_fm_point(u8 fre)
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*/
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/*----------------------------------------------------------------------------*/
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void save_fm_point(u16 fre)//1-206
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{
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FM_INFO fm_info = {0};
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u16 i, k;
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u16 total = 0;
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fm_read_info(&fm_info);
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fre = VIRTUAL_FREQ(fre);//fre - 874;
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/* fre = fre - 874; */
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i = fre / 8;
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k = fre % 8;
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fm_info.dat[i] |= BIT(k);
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fm_info.curFreq = fre;
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for (i = 0; i < (MEM_FM_LEN); i++) {
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total += __my_get_one_count(fm_info.dat[i]);
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}
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total = total > MAX_CHANNEL ? MAX_CHANNEL : total;
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fm_info.total_chanel = total;
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fm_save_info(&fm_info);
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}
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/*----------------------------------------------------------------------------*/
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/**@brief 删除频道
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@param 虚拟频点
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@return 无
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@note void delete_fm_point(u8 fre)
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*/
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/*----------------------------------------------------------------------------*/
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void delete_fm_point(u16 fre)
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{
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u16 i, k;
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FM_INFO fm_info = {0};
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fm_read_info(&fm_info);
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i = fre / 8;
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k = fre % 8;
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if (fm_info.dat[i] & BIT(k)) {
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fm_info.dat[i] &= (~BIT(k));
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fm_info.total_chanel--;
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fm_save_info(&fm_info);
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}
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}
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/*----------------------------------------------------------------------------*/
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/**@brief 最近一次操作记录
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@param 无
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@return 无
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@note u8 ch_save(void)
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*/
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/*----------------------------------------------------------------------------*/
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void fm_last_ch_save(u16 channel)
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{
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FM_INFO fm_info = {0};
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fm_read_info(&fm_info);
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fm_info.curFreq = 0;
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fm_info.curChanel = channel;
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fm_save_info(&fm_info);
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}
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/*----------------------------------------------------------------------------*/
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/**@brief 最近一次操作记录
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@param 真实频点
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@return 无
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@note u8 ch_save(void)
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*/
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/*----------------------------------------------------------------------------*/
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void fm_last_freq_save(u16 freq)
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{
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FM_INFO fm_info = {0};
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fm_read_info(&fm_info);
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fm_info.curChanel = 0;
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freq = VIRTUAL_FREQ(freq);//fre - 874;
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fm_info.curFreq = freq;// - 874;
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fm_save_info(&fm_info);
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}
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/*----------------------------------------------------------------------------*/
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/**@brief 保存信息到fm_buf
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@param 无
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@return 无
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@note void fm_save_info()
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*/
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/*----------------------------------------------------------------------------*/
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void fm_save_info(FM_INFO *info)
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{
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#if FM_USE_MALLOC_VM
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if (__this_fm_info) {
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memcpy(__this_fm_info, info, sizeof(FM_INFO));
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}
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#endif
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syscfg_write(VM_FM_INFO, info, sizeof(FM_INFO));
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}
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/*----------------------------------------------------------------------------*/
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/**@brief 从vm读取信息
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@param 无
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@return 无
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@note void fm_read_info()
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*/
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/*----------------------------------------------------------------------------*/
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void fm_read_info(FM_INFO *info)
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{
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#if FM_USE_MALLOC_VM
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if (__this_fm_info) {
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memcpy(info, __this_fm_info, sizeof(FM_INFO));
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return;
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}
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#endif
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if (sizeof(FM_INFO) != syscfg_read(VM_FM_INFO, info, sizeof(FM_INFO))) {
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r_printf("fm_info is null xx\n");
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memset(info, 0x00, sizeof(FM_INFO));
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}
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#if FM_USE_MALLOC_VM
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if (!__this_fm_info) {
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__this_fm_info = zalloc(sizeof(FM_INFO));
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memcpy(__this_fm_info, info, sizeof(FM_INFO));
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}
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#endif
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}
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/*----------------------------------------------------------------------------*/
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/**@brief 检查vm信息
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@param 无
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@return 无
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@note void fm_read_info()
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*/
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/*----------------------------------------------------------------------------*/
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void fm_vm_check(void)
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{
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FM_INFO fm_info = {0};
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fm_read_info(&fm_info);
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if (fm_info.mask != FM_VM_MASK) {
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fm_info.mask = FM_VM_MASK;
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fm_info.curFreq = 1;
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fm_info.curChanel = 0;
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fm_info.total_chanel = 0;
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fm_save_info(&fm_info);
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}
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}
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#endif
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