ap/lib/libvoice/voiceipc.c

#ifdef USE_CAP_SUPPORT
#include <stdio.h>
#include <unistd.h>
#include <string.h>
#include <stdlib.h>
#include <stdint.h>
#include <sys/ioctl.h>
#include <fcntl.h>
#include "voice_ipc.h"
#include "linux/rpmsg_zx29.h"

extern int sc_audio_set_voice_device_mode(int dev_mode);
extern int sc_audio_get_voice_device_mode(int *p_dev_mode);
extern int sc_audio_set_rx_voice_vol(int vol);
extern int sc_audio_get_rx_voice_vol(int     * p_vol);
extern int sc_audio_set_tx_voice_vol(int vol);
extern int sc_audio_get_tx_voice_vol(int  *p_vol);
extern int sc_audio_set_tx_voice_mute_state(int mute         );
extern int sc_audio_get_tx_voice_mute_state(int *p_mute);
extern int sc_audio_set_rx_voice_mute_state(int mute);
extern int sc_audio_get_rx_voice_mute_state(int *p_mute);
extern int sc_audio_set_loopback_enable_state(int enable);
extern int sc_audio_get_loopback_enable_state(int *p_enable);

int voice_ipc_fd = -1;
voice_ipc_control_msg voice_ctrl_recvmsg[IPC_VOICE_FUNC_MAX] = {0};

void ipc_set_voice_device_mode(voice_ipc_control_msg msg)
{
    int ret = VOICEIPC_OK;
    int msg_len = 0;
    int dev_mode = 0;

    //memcpy(&dev_mode, msg.param, msg.param_len);
    dev_mode = *((int *)msg.param);
    ret = sc_audio_set_voice_device_mode(dev_mode);

    //msg.func_id不变
    msg.param_len = sizeof(int);
    memcpy(msg.param, &ret, msg.param_len);
    msg_len = VOICE_HEAD_LEN + msg.param_len;

    ret = write(voice_ipc_fd, &msg, msg_len);
    
    if (0 >= ret){
		printf("%s: write error(%d)!\n", __func__, ret);
	}
}

void ipc_get_voice_device_mode(voice_ipc_control_msg msg)
{
    int ret = VOICEIPC_OK;
    int msg_len = 0;
    int *p_dev_mode = NULL;

    p_dev_mode = (int *)msg.param;
    ret = sc_audio_get_voice_device_mode(p_dev_mode);
	
    //msg.func_id不变
    msg.param_len = sizeof(int);
    memcpy(msg.param, &ret, msg.param_len);
    msg_len = VOICE_HEAD_LEN + msg.param_len;

    ret = write(voice_ipc_fd, &msg, msg_len);
    
    if (0 >= ret){
		printf("%s: write error(%d)!\n", __func__, ret);
	}
}

void ipc_set_rx_voice_vol(voice_ipc_control_msg msg)
{
    int ret = VOICEIPC_OK;
    int msg_len = 0;
    int vol = 0;

    //memcpy(&dev_mode, msg.param, msg.param_len);
    vol = *((int *)msg.param);
    ret = sc_audio_set_rx_voice_vol(vol);

    //msg.func_id不变
    msg.param_len = sizeof(int);
    memcpy(msg.param, &ret, msg.param_len);
    msg_len = VOICE_HEAD_LEN + msg.param_len;

    ret = write(voice_ipc_fd, &msg, msg_len);
    
    if (0 >= ret){
		printf("%s: write error(%d)!\n", __func__, ret);
	}
}

void ipc_get_rx_voice_vol(voice_ipc_control_msg msg)
{
    int ret = VOICEIPC_OK;
    int msg_len = 0;
    int *p_vol = NULL;

    p_vol = (int *)msg.param;
    ret = sc_audio_get_rx_voice_vol(p_vol);
	
    //msg.func_id不变
    msg.param_len = sizeof(int);
    memcpy(msg.param, &ret, msg.param_len);
    msg_len = VOICE_HEAD_LEN + msg.param_len;

    ret = write(voice_ipc_fd, &msg, msg_len);
    
    if (0 >= ret){
		printf("%s: write error(%d)!\n", __func__, ret);
	}
}

void ipc_set_tx_voice_vol(voice_ipc_control_msg msg)
{
    int ret = VOICEIPC_OK;
    int msg_len = 0;
    int vol = 0;

    //memcpy(&dev_mode, msg.param, msg.param_len);
    vol = *((int *)msg.param);
    ret = sc_audio_set_tx_voice_vol(vol);

    //msg.func_id不变
    msg.param_len = sizeof(int);
    memcpy(msg.param, &ret, msg.param_len);
    msg_len = VOICE_HEAD_LEN + msg.param_len;

    ret = write(voice_ipc_fd, &msg, msg_len);
    
    if (0 >= ret){
		printf("%s: write error(%d)!\n", __func__, ret);
	}
}

void ipc_get_tx_voice_vol(voice_ipc_control_msg msg)
{
    int ret = VOICEIPC_OK;
    int msg_len = 0;
    int *p_vol = NULL;

    p_vol = (int *)msg.param;
    ret = sc_audio_get_tx_voice_vol(p_vol);
	
    //msg.func_id不变
    msg.param_len = sizeof(int);
    memcpy(msg.param, &ret, msg.param_len);
    msg_len = VOICE_HEAD_LEN + msg.param_len;

    ret = write(voice_ipc_fd, &msg, msg_len);
    
    if (0 >= ret){
		printf("%s: write error(%d)!\n", __func__, ret);
	}
}

void ipc_set_tx_voice_mute_state(voice_ipc_control_msg msg)
{
    int ret = VOICEIPC_OK;
    int msg_len = 0;
    int mute = 0;

    //memcpy(&dev_mode, msg.param, msg.param_len);
    mute = *((int *)msg.param);
    ret = sc_audio_set_tx_voice_mute_state(mute);

    //msg.func_id不变
    msg.param_len = sizeof(int);
    memcpy(msg.param, &ret, msg.param_len);
    msg_len = VOICE_HEAD_LEN + msg.param_len;

    ret = write(voice_ipc_fd, &msg, msg_len);
    
    if (0 >= ret){
		printf("%s: write error(%d)!\n", __func__, ret);
	}
}

void ipc_get_tx_voice_mute_state(voice_ipc_control_msg msg)
{
    int ret = VOICEIPC_OK;
    int msg_len = 0;
    int *p_mute = NULL;

    p_mute = (int *)msg.param;
    ret = sc_audio_get_tx_voice_mute_state(p_mute);
	
    //msg.func_id不变
    msg.param_len = sizeof(int);
    memcpy(msg.param, &ret, msg.param_len);
    msg_len = VOICE_HEAD_LEN + msg.param_len;

    ret = write(voice_ipc_fd, &msg, msg_len);
    
    if (0 >= ret){
		printf("%s: write error(%d)!\n", __func__, ret);
	}
}

void ipc_set_rx_voice_mute_state(voice_ipc_control_msg msg)
{
    int ret = VOICEIPC_OK;
    int msg_len = 0;
    int mute = 0;

    //memcpy(&dev_mode, msg.param, msg.param_len);
    mute = *((int *)msg.param);
    ret = sc_audio_set_rx_voice_mute_state(mute);

    //msg.func_id不变
    msg.param_len = sizeof(int);
    memcpy(msg.param, &ret, msg.param_len);
    msg_len = VOICE_HEAD_LEN + msg.param_len;

    ret = write(voice_ipc_fd, &msg, msg_len);
    
    if (0 >= ret){
		printf("%s: write error(%d)!\n", __func__, ret);
	}
}

void ipc_get_rx_voice_mute_state(voice_ipc_control_msg msg)
{
    int ret = VOICEIPC_OK;
    int msg_len = 0;
    int *p_mute = NULL;

    p_mute = (int *)msg.param;
    ret = sc_audio_get_rx_voice_mute_state(p_mute);
	
    //msg.func_id不变
    msg.param_len = sizeof(int);
    memcpy(msg.param, &ret, msg.param_len);
    msg_len = VOICE_HEAD_LEN + msg.param_len;

    ret = write(voice_ipc_fd, &msg, msg_len);
    
    if (0 >= ret){
		printf("%s: write error(%d)!\n", __func__, ret);
	}
}

void ipc_set_loopback_enable_state(voice_ipc_control_msg msg)
{
    int ret = VOICEIPC_OK;
    int msg_len = 0;
    int enable = 0;

    //memcpy(&dev_mode, msg.param, msg.param_len);
    enable = *((int *)msg.param);
    ret = sc_audio_set_loopback_enable_state(enable);

    //msg.func_id不变
    msg.param_len = sizeof(int);
    memcpy(msg.param, &ret, msg.param_len);
    msg_len = VOICE_HEAD_LEN + msg.param_len;

    ret = write(voice_ipc_fd, &msg, msg_len);
    
    if (0 >= ret){
		printf("%s: write error(%d)!\n", __func__, ret);
	}
}

void ipc_get_loopback_enable_state(voice_ipc_control_msg msg)
{
    int ret = VOICEIPC_OK;
    int msg_len = 0;
    int *p_enable = NULL;

    p_enable = (int *)msg.param;
    ret = sc_audio_get_loopback_enable_state(p_enable);
	
    //msg.func_id不变
    msg.param_len = sizeof(int);
    memcpy(msg.param, &ret, msg.param_len);
    msg_len = VOICE_HEAD_LEN + msg.param_len;

    ret = write(voice_ipc_fd, &msg, msg_len);
    
    if (0 >= ret){
		printf("%s: write error(%d)!\n", __func__, ret);
	}
}

void voice_msg_proc(voice_ipc_control_msg msg)
{
	switch(msg.func_id){
		case IPC_SET_VOICE_DEVICE_MODE:
			ipc_set_voice_device_mode(voice_ctrl_recvmsg[msg.func_id]);
			break;
		case IPC_GET_VOICE_DEVICE_MODE:
			ipc_get_voice_device_mode(voice_ctrl_recvmsg[msg.func_id]);
			break;
        case IPC_SET_RX_VOICE_VOL:
			ipc_set_rx_voice_vol(voice_ctrl_recvmsg[msg.func_id]);
			break;
        case IPC_GET_RX_VOICE_VOL:
			ipc_get_rx_voice_vol(voice_ctrl_recvmsg[msg.func_id]);
			break;
        case IPC_SET_TX_VOICE_VOL:
			ipc_set_tx_voice_vol(voice_ctrl_recvmsg[msg.func_id]);
			break;
        case IPC_GET_TX_VOICE_VOL:
			ipc_get_tx_voice_vol(voice_ctrl_recvmsg[msg.func_id]);
			break;
        case IPC_SET_TX_VOICE_MUTE_STATE:
			ipc_set_tx_voice_mute_state(voice_ctrl_recvmsg[msg.func_id]);
			break;
        case IPC_GET_TX_VOICE_MUTE_STATE:
			ipc_get_tx_voice_mute_state(voice_ctrl_recvmsg[msg.func_id]);
			break;
        case IPC_SET_RX_VOICE_MUTE_STATE:
			ipc_set_rx_voice_mute_state(voice_ctrl_recvmsg[msg.func_id]);
			break;
        case IPC_GET_RX_VOICE_MUTE_STATE:
			ipc_get_rx_voice_mute_state(voice_ctrl_recvmsg[msg.func_id]);
			break;
        case IPC_SET_LOOPBACK_ENABLE_STATE:
			ipc_set_loopback_enable_state(voice_ctrl_recvmsg[msg.func_id]);
			break;
        case IPC_GET_LOOPBACK_ENABLE_STATE:
			ipc_get_loopback_enable_state(voice_ctrl_recvmsg[msg.func_id]);
			break;
		default:
			printf("%s: msg func_id(%d) error\n", __func__, msg.func_id);
			break;
	}
}

void Voice_Ctrl_Rpmsg_Recv(void)
{
    int read_len = 0;
    voice_ipc_control_msg tmpbuf = {0};
    
    for(;;){
        read_len = 0;
		read_len = read(voice_ipc_fd, &tmpbuf, (VOICE_HEAD_LEN + VOICE_CONTROL_MAX_LEN));
        if (0 >= read_len){
			continue;
		}

        //最后再改变func_id，确保其他地方判断func_id改变后有数据可读
        memcpy(voice_ctrl_recvmsg[tmpbuf.func_id].param, tmpbuf.param, tmpbuf.param_len);
        voice_ctrl_recvmsg[tmpbuf.func_id].param_len = tmpbuf.param_len;
        voice_ctrl_recvmsg[tmpbuf.func_id].func_id = tmpbuf.func_id;
        
        voice_msg_proc(voice_ctrl_recvmsg[tmpbuf.func_id]);
    }
}

int voice_ipc_init(void) //通道初始化
{
    voice_ipc_fd = open(VOICE_IPC_CONTROL_CHANNEL, O_RDWR);

    if(0 > voice_ipc_fd){
        printf("%s: open the channel(%s) error!\n", __func__, VOICE_IPC_CONTROL_CHANNEL);
        return VOICEIPC_ERROR;
    }

    if(0 > ioctl(voice_ipc_fd, RPMSG_CREATE_CHANNEL, VOICE_IPC_CONTROL_CHANNEL_SIZE)){
        printf("%s: ioctl RPMSG_CREATE_CHANNEL fail!\n", __func__);
        close(voice_ipc_fd);
        voice_ipc_fd = -1;
        return VOICEIPC_ERROR;
    }
    
    if(0 > ioctl(voice_ipc_fd, RPMSG_SET_INT_FLAG, NULL)){ //写中断
        printf("%s: ioctl RPMSG_SET_INT_FLAG fail!\n", __func__);
        close(voice_ipc_fd);
        voice_ipc_fd = -1;
        return VOICEIPC_ERROR;
    }
    
    if(0 > ioctl(voice_ipc_fd, RPMSG_CLEAR_POLL_FLAG, NULL)){ //阻塞方式读数据
        printf("%s: ioctl RPMSG_CLEAR_POLL_FLAG fail!\n", __func__);
        close(voice_ipc_fd);
        voice_ipc_fd = -1;
        return VOICEIPC_ERROR;
    }
    return VOICEIPC_OK;
}

int main(int argc, char **argv)
{
    int ret = 0;
    
    ret = voice_ipc_init();
    
    if(ret < 0){
        printf("voice_ipc_init error!\n");
        return -1;
    }

    printf("voice_ipc_init %s create success!\n", VOICE_IPC_CONTROL_CHANNEL);
    
    Voice_Ctrl_Rpmsg_Recv();
    
    return 0;
}

#endif