204 lines
8.4 KiB
C
204 lines
8.4 KiB
C
/*
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****************************************************************************
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* Audio DAC Demo
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*
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*Description : Audio DAC使用范例
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*Notes : 本demo为开发测试范例，请不要修改该demo， 如有需求，请自行
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* 复制再修改
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****************************************************************************
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*/
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#include "audio_demo.h"
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#include "media/includes.h"
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#include "audio_config.h"
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#include "audio_demo.h"
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#define KEY_TEST 0//(IO_PORTB_01)
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#define KEY_TEST2 0//(IO_PORTB_02)
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extern struct audio_dac_hdl dac_hdl;
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static u8 dac_demo = 0;
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// 用于 DAC 播放的正弦波数据
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const s16 data_sin44100[441] = {
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0x0000, 0x122d, 0x23fb, 0x350f, 0x450f, 0x53aa, 0x6092, 0x6b85, 0x744b, 0x7ab5, 0x7ea2, 0x7fff, 0x7ec3, 0x7af6, 0x74ab, 0x6c03,
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0x612a, 0x545a, 0x45d4, 0x35e3, 0x24db, 0x1314, 0x00e9, 0xeeba, 0xdce5, 0xcbc6, 0xbbb6, 0xad08, 0xa008, 0x94fa, 0x8c18, 0x858f,
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0x8181, 0x8003, 0x811d, 0x84ca, 0x8af5, 0x9380, 0x9e3e, 0xaaf7, 0xb969, 0xc94a, 0xda46, 0xec06, 0xfe2d, 0x105e, 0x223a, 0x3365,
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0x4385, 0x5246, 0x5f5d, 0x6a85, 0x7384, 0x7a2d, 0x7e5b, 0x7ffa, 0x7f01, 0x7b75, 0x7568, 0x6cfb, 0x6258, 0x55b7, 0x4759, 0x3789,
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0x2699, 0x14e1, 0x02bc, 0xf089, 0xdea7, 0xcd71, 0xbd42, 0xae6d, 0xa13f, 0x95fd, 0x8ce1, 0x861a, 0x81cb, 0x800b, 0x80e3, 0x844e,
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0x8a3c, 0x928c, 0x9d13, 0xa99c, 0xb7e6, 0xc7a5, 0xd889, 0xea39, 0xfc5a, 0x0e8f, 0x2077, 0x31b8, 0x41f6, 0x50de, 0x5e23, 0x697f,
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0x72b8, 0x799e, 0x7e0d, 0x7fee, 0x7f37, 0x7bed, 0x761f, 0x6ded, 0x6380, 0x570f, 0x48db, 0x392c, 0x2855, 0x16ad, 0x048f, 0xf259,
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0xe06b, 0xcf20, 0xbed2, 0xafd7, 0xa27c, 0x9705, 0x8db0, 0x86ab, 0x821c, 0x801a, 0x80b0, 0x83da, 0x8988, 0x919c, 0x9bee, 0xa846,
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0xb666, 0xc603, 0xd6ce, 0xe86e, 0xfa88, 0x0cbf, 0x1eb3, 0x3008, 0x4064, 0x4f73, 0x5ce4, 0x6874, 0x71e6, 0x790a, 0x7db9, 0x7fdc,
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0x7f68, 0x7c5e, 0x76d0, 0x6ed9, 0x64a3, 0x5863, 0x4a59, 0x3acc, 0x2a0f, 0x1878, 0x0661, 0xf42a, 0xe230, 0xd0d0, 0xc066, 0xb145,
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0xa3bd, 0x9813, 0x8e85, 0x8743, 0x8274, 0x8030, 0x8083, 0x836b, 0x88da, 0x90b3, 0x9acd, 0xa6f5, 0xb4ea, 0xc465, 0xd515, 0xe6a3,
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0xf8b6, 0x0aee, 0x1ced, 0x2e56, 0x3ecf, 0x4e02, 0x5ba1, 0x6764, 0x710e, 0x786f, 0x7d5e, 0x7fc3, 0x7f91, 0x7cc9, 0x777a, 0x6fc0,
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0x65c1, 0x59b3, 0x4bd3, 0x3c6a, 0x2bc7, 0x1a41, 0x0833, 0xf5fb, 0xe3f6, 0xd283, 0xc1fc, 0xb2b7, 0xa503, 0x9926, 0x8f60, 0x87e1,
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0x82d2, 0x804c, 0x805d, 0x8303, 0x8833, 0x8fcf, 0x99b2, 0xa5a8, 0xb372, 0xc2c9, 0xd35e, 0xe4da, 0xf6e4, 0x091c, 0x1b26, 0x2ca2,
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0x3d37, 0x4c8e, 0x5a58, 0x664e, 0x7031, 0x77cd, 0x7cfd, 0x7fa3, 0x7fb4, 0x7d2e, 0x781f, 0x70a0, 0x66da, 0x5afd, 0x4d49, 0x3e04,
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0x2d7d, 0x1c0a, 0x0a05, 0xf7cd, 0xe5bf, 0xd439, 0xc396, 0xb42d, 0xa64d, 0x9a3f, 0x9040, 0x8886, 0x8337, 0x806f, 0x803d, 0x82a2,
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0x8791, 0x8ef2, 0x989c, 0xa45f, 0xb1fe, 0xc131, 0xd1aa, 0xe313, 0xf512, 0x074a, 0x195d, 0x2aeb, 0x3b9b, 0x4b16, 0x590b, 0x6533,
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0x6f4d, 0x7726, 0x7c95, 0x7f7d, 0x7fd0, 0x7d8c, 0x78bd, 0x717b, 0x67ed, 0x5c43, 0x4ebb, 0x3f9a, 0x2f30, 0x1dd0, 0x0bd6, 0xf99f,
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0xe788, 0xd5f1, 0xc534, 0xb5a7, 0xa79d, 0x9b5d, 0x9127, 0x8930, 0x83a2, 0x8098, 0x8024, 0x8247, 0x86f6, 0x8e1a, 0x978c, 0xa31c,
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0xb08d, 0xbf9c, 0xcff8, 0xe14d, 0xf341, 0x0578, 0x1792, 0x2932, 0x39fd, 0x499a, 0x57ba, 0x6412, 0x6e64, 0x7678, 0x7c26, 0x7f50,
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0x7fe6, 0x7de4, 0x7955, 0x7250, 0x68fb, 0x5d84, 0x5029, 0x412e, 0x30e0, 0x1f95, 0x0da7, 0xfb71, 0xe953, 0xd7ab, 0xc6d4, 0xb725,
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0xa8f1, 0x9c80, 0x9213, 0x89e1, 0x8413, 0x80c9, 0x8012, 0x81f3, 0x8662, 0x8d48, 0x9681, 0xa1dd, 0xaf22, 0xbe0a, 0xce48, 0xdf89,
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0xf171, 0x03a6, 0x15c7, 0x2777, 0x385b, 0x481a, 0x5664, 0x62ed, 0x6d74, 0x75c4, 0x7bb2, 0x7f1d, 0x7ff5, 0x7e35, 0x79e6, 0x731f,
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0x6a03, 0x5ec1, 0x5193, 0x42be, 0x328f, 0x2159, 0x0f77, 0xfd44, 0xeb1f, 0xd967, 0xc877, 0xb8a7, 0xaa49, 0x9da8, 0x9305, 0x8a98,
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0x848b, 0x80ff, 0x8006, 0x81a5, 0x85d3, 0x8c7c, 0x957b, 0xa0a3, 0xadba, 0xbc7b, 0xcc9b, 0xddc6, 0xefa2, 0x01d3, 0x13fa, 0x25ba,
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0x36b6, 0x4697, 0x5509, 0x61c2, 0x6c80, 0x750b, 0x7b36, 0x7ee3, 0x7ffd, 0x7e7f, 0x7a71, 0x73e8, 0x6b06, 0x5ff8, 0x52f8, 0x444a,
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0x343a, 0x231b, 0x1146, 0xff17, 0xecec, 0xdb25, 0xca1d, 0xba2c, 0xaba6, 0x9ed6, 0x93fd, 0x8b55, 0x850a, 0x813d, 0x8001, 0x815e,
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0x854b, 0x8bb5, 0x947b, 0x9f6e, 0xac56, 0xbaf1, 0xcaf1, 0xdc05, 0xedd3
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};
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/*
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*********************************************************************
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* AUDIO DAC OPEN
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* Description: 打开 dac demo
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* Arguments : None
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* Return : None.
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* Note(s) : dac 播放正弦波
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* 将这个函数放audio_dec_init()后调用即可
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*********************************************************************
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*/
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void audio_dac_demo_open(void)
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{
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int len = 0;
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int wlen = 0;
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s16 *ptr;
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s16 *data_addr;
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u32 data_len;
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app_audio_state_switch(APP_AUDIO_STATE_MUSIC, get_max_sys_vol()); // 音量状态设置
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audio_dac_set_volume(&dac_hdl, get_max_sys_vol()); // dac 音量设置
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audio_dac_set_sample_rate(&dac_hdl, 44100); // 采样率设置
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audio_dac_start(&dac_hdl); // dac 启动
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// 判断声道数，双声道需要复制多一个声道的数据
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if (dac_hdl.channel == 2) {
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data_addr = zalloc(441 * 2 * 2);
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if (!data_addr) {
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printf("demo dac malloc err !!\n");
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return;
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}
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for (int i = 0; i < 882; i++) {
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data_addr[i] = data_sin44100[i / 2];
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}
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data_len = 441 * 2 * 2;
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} else {
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data_addr = data_sin44100;
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data_len = 441 * 2;
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}
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dac_demo = 1;
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int res = 0;
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int msg[16];
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u8 mode = 0;
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#if KEY_TEST
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gpio_direction_input(KEY_TEST);
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gpio_set_pull_down(KEY_TEST, 0);
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gpio_set_pull_up(KEY_TEST, 1);
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gpio_set_die(KEY_TEST, 1);
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#endif
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#if KEY_TEST2
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gpio_direction_input(KEY_TEST2);
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gpio_set_pull_down(KEY_TEST2, 0);
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gpio_set_pull_up(KEY_TEST2, 1);
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gpio_set_die(KEY_TEST2, 1);
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#endif
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// 循环一直往dac写数据
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while (1) {
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// 这句是为了防止线程太久没有响应系统而产生异常，实际使用不需要
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res = os_taskq_accept(ARRAY_SIZE(msg), msg);
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ptr = data_addr;
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len = data_len;
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while (len) {
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// 往 dac 写数据
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wlen = audio_dac_write(&dac_hdl, ptr, len);
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#if KEY_TEST
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if (0 == gpio_read(KEY_TEST)) {
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while (0 == gpio_read(KEY_TEST)) {
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os_time_dly(1);
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};
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mode++;
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if (mode >= 3) {
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mode = 0;
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}
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printf(">> mode:%d\n", mode);
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if (mode == 0) {
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JL_AUDIO->DAC_VL0 = 0;
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printf(">> silence\n");
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} else if (mode == 1) {
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JL_AUDIO->DAC_VL0 = 0x40004000;
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printf(">> 0dB\n");
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} else {
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JL_AUDIO->DAC_VL0 = 0x000F000F;
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printf(">> -60dB\n");
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}
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}
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#endif
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#if KEY_TEST2
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if (0 == gpio_read(KEY_TEST2)) {
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while (0 == gpio_read(KEY_TEST2)) {
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os_time_dly(1);
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};
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static u8 analog_gain = 0;
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u32 TMP_CON1;
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TMP_CON1 = JL_ADDA->DAA_CON1;
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TMP_CON1 &= ~(0xf << 0 | 0xf << 4);
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TMP_CON1 |= ((u32)(analog_gain & 0xf) << 0) | ((u32)(analog_gain & 0xf) << 4);
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JL_ADDA->DAA_CON1 = TMP_CON1;
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printf(">>> analog_gain: %d\n", analog_gain);
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analog_gain++;
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if (analog_gain > 15) {
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analog_gain = 0;
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}
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}
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#endif
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if (wlen != len) { // dac缓存满了，延时 10ms 后再继续写
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os_time_dly(1);
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}
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ptr += wlen / 2;
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len -= wlen;
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}
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}
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}
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/*
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*********************************************************************
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* AUDIO DAC CLOSE
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* Description: 关闭 dac demo
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* Arguments : None
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* Return : None.
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* Note(s) : dac 停止播放正弦波
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*********************************************************************
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*/
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void audio_dac_demo_close(void)
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{
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// 停止并关闭 DAC
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audio_dac_stop(&dac_hdl);
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audio_dac_close(&dac_hdl);
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dac_demo = 0;
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}
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#if AUDIO_DEMO_LP_REG_ENABLE
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static u8 dac_demo_idle_query()
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{
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return dac_demo ? 0 : 1;
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}
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REGISTER_LP_TARGET(dac_demo_lp_target) = {
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.name = "dac_demo",
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.is_idle = dac_demo_idle_query,
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};
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#endif/*AUDIO_DEMO_LP_REG_ENABLE*/
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