137 lines
3.4 KiB
C
137 lines
3.4 KiB
C
#include "include.h"
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#include "bsp_dac.h"
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#include "app_variable.h"
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uint8_t cfg_spk_mute_en = LOUDSPEAKER_MUTE_EN;
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const u8 *dac_dvol_table;
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AT(.rodata.dac)
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const u16 dig_vol_tbl[61] = {
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DIG_N0DB, DIG_N1DB, DIG_N2DB, DIG_N3DB, DIG_N4DB, DIG_N5DB, DIG_N6DB, DIG_N7DB,
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DIG_N8DB, DIG_N9DB, DIG_N10DB, DIG_N11DB, DIG_N12DB, DIG_N13DB, DIG_N14DB, DIG_N15DB,
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DIG_N16DB, DIG_N17DB, DIG_N18DB, DIG_N19DB, DIG_N20DB, DIG_N21DB, DIG_N22DB, DIG_N23DB,
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DIG_N24DB, DIG_N25DB, DIG_N26DB, DIG_N27DB, DIG_N28DB, DIG_N29DB, DIG_N30DB, DIG_N31DB,
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DIG_N32DB, DIG_N33DB, DIG_N34DB, DIG_N35DB, DIG_N36DB, DIG_N37DB, DIG_N38DB, DIG_N39DB,
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DIG_N40DB, DIG_N41DB, DIG_N42DB, DIG_N43DB, DIG_N44DB, DIG_N45DB, DIG_N46DB, DIG_N47DB,
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DIG_N48DB, DIG_N49DB, DIG_N50DB, DIG_N51DB, DIG_N52DB, DIG_N53DB, DIG_N54DB, DIG_N55DB,
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DIG_N56DB, DIG_N57DB, DIG_N58DB, DIG_N59DB, DIG_N60DB,
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};
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AT(.rodata.dac)
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const u8 dac_dvol_tbl_16[16 + 1] = {
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60, 43, 32, 26, 24, 22, 20, 18, 16,
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14, 12, 10, 8, 6, 4, 2, 0,
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};
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AT(.rodata.dac)
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const u8 dac_dvol_tbl_32[32 + 1] = {
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60, 50, 43, 38, 35, 30, 28, 26,
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24, 23, 22, 21, 20, 19, 18, 17,
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16, 15, 14, 13, 12, 11, 10, 9,
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8, 7, 6, 5, 4, 3, 2, 1, 0,
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};
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AT(.text.bsp.dac)
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void bsp_change_volume(u8 vol)
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{
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u8 level = 0;
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if (vol <= VOL_MAX) {
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level = dac_dvol_table[vol] + sys_cb.gain_offset;
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if (level > 60) {
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level = 60;
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}
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dac_set_dvol(dig_vol_tbl[level]);
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}
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}
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AT(.text.bsp.dac)
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bool bsp_set_volume(u8 vol)
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{
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bsp_change_volume(vol);
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if (vol == SysVariable.vol) {
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// gui_box_show_vol();
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return false;
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}
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if (vol <= VOL_MAX) {
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SysVariable.vol = vol;
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// gui_box_show_vol();
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// param_sys_vol_write();
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sys_cb.cm_times = 0;
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sys_cb.cm_vol_change = 1;
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}
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return true;
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}
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AT(.com_text.dac)
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void dac_set_mute_callback(u8 mute_flag)
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{
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if (mute_flag) {
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bsp_loudspeaker_mute();
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} else {
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if (!sys_cb.mute) {
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bsp_loudspeaker_unmute();
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//DAC延时淡入，防止UNMUTE时间太短导致喇叭声音不全的问题
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dac_unmute_set_delay(LOUDSPEAKER_UNMUTE_DELAY);
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}
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}
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}
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AT(.text.bsp.dac)
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u8 bsp_volume_inc(u8 vol)
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{
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vol++;
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if(vol > VOL_MAX)
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vol = VOL_MAX;
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return vol;
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}
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AT(.text.bsp.dac)
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u8 bsp_volume_dec(u8 vol)
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{
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if(vol > 0)
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vol--;
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return vol;
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}
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AT(.text.dac)
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void dac_set_anl_offset(u8 bt_call_flag)
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{
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if (bt_call_flag) {
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sys_cb.gain_offset = BT_CALL_MAX_GAIN;
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} else {
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sys_cb.gain_offset = DAC_MAX_GAIN;
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}
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}
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AT(.text.bsp.dac)
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static void dac_set_vol_table(u8 vol_max)
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{
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if (vol_max == 16) {
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dac_dvol_table = dac_dvol_tbl_16;
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} else {
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dac_dvol_table = dac_dvol_tbl_32;
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}
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}
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AT(.text.bsp.dac)
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void dac_init(void)
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{
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dac_set_vol_table(xcfg_cb.vol_max);
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dac_set_anl_offset(0);
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// printf("[%s] vol_max:%d, offset: %d\n", __func__, xcfg_cb.vol_max, sys_cb.gain_offset);
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dac_obuf_init();
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dac_power_on();
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#if (DAC_OUT_SPR == DAC_OUT_48K)
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DACDIGCON0 |= BIT(1); //dac out sample 48K
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#endif
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plugin_music_eq();
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#if DAC_DNR_EN
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dac_dnr_init(2, 0x18, 90, 0x10);
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#endif
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}
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