6965E-SD卡和USB的DM脚复用的问题修改

void sdpg_config(int enable)
{
    if (enable) {
        JL_PORTA->OUT |=  BIT(0);
        JL_PORTA->DIR &= ~BIT(0);
        if (enable == 1) {
            p33_tx_1byte(P3_SDPG_CON, 0);
            JL_PORTA->HD  &= ~BIT(0);
            JL_PORTA->HD0 &= ~BIT(0);
        } else if (enable == 2) {
            p33_tx_1byte(P3_SDPG_CON, 0);
            JL_PORTA->HD  |=  BIT(0);
            delay(1000);
            JL_PORTA->HD0 |=  BIT(0);
            delay(1000);
        } else if (enable == 3) {
            JL_PORTA->HD  |=  BIT(0);
            delay(1000);
            JL_PORTA->HD0 |=  BIT(0);
            delay(1000);
            p33_tx_1byte(P3_SDPG_CON, 0b0001);
        } else if (enable == 4) {
            JL_PORTA->HD  |=  BIT(0);
            os_time_dly(1);
            JL_PORTA->HD0 |=  BIT(0);
            os_time_dly(1);
            p33_tx_1byte(P3_SDPG_CON, 0b0001);
        } else {
            p33_tx_1byte(P3_SDPG_CON, 0);
            JL_PORTA->HD  &= ~BIT(0);
            JL_PORTA->HD0 &= ~BIT(0);
            JL_PORTA->OUT &= ~BIT(0);
        }
    } else {
        p33_tx_1byte(P3_SDPG_CON, 0);
        JL_PORTA->DIR |=  BIT(0);
        JL_PORTA->PU  &= ~BIT(0);
        JL_PORTA->PD  &= ~BIT(0);
        JL_PORTA->HD  &= ~BIT(0);
        JL_PORTA->HD0 &= ~BIT(0);
        JL_PORTA->DIE &= ~BIT(0);
    }
}
void sd_set_power(u8 enable)
{
    static sd_power_lock = 0xfb;
    static sd_power_old = 0xff;
    u8 sd_power_status = !(JL_PORTA->DIR & BIT(0)); //1:有电    0:没电

    if(sd_power_old == enable){
         return;
     }
    switch (enable) {
    case 0:
        if (sd_power_lock == 0xfb) { //sd_power 是解锁状态
            sdpg_config(0);
        }
        sd_power_old = enable;
        break;
    case 0xfa:
        sd_power_lock = 0xfa;
        sdpg_config(4);
        break;
    case 0xfb:
        sd_power_lock = 0xfb;
        sdpg_config(sd_power_old);
//        printf("--------sd_power_old %d\n", sd_power_old);
        break;
    default:
        if (sd_power_lock == 0xfb) { //sd_power 是解锁状态
            sdpg_config(enable);
        }
        sd_power_old = enable;
        break;
    }
}

static void usb_otg_xxx(void *priv){
    usb_detect_timer_add();
}


usb_detect_timer_del();
sys_timeout_add(NULL, usb_otg_xxx, 1000);