229 lines
6.2 KiB
C
229 lines
6.2 KiB
C
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#include "apple_dock/iAP_iic.h"
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#include "apple_dock/iAP.h"
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#include "asm/iic_hw.h"
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#include "asm/iic_soft.h"
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#include "app_config.h"
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#if TCFG_USB_APPLE_DOCK_EN
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#if 0
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static hw_iic_dev iic = 0;
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#define iic_init() hw_iic_init(iic)
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#define iic_uninit() hw_iic_uninit(iic)
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#define iic_start() hw_iic_start(iic)
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#define iic_stop() hw_iic_stop(iic)
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#define iic_sendbyte(byte) hw_iic_tx_byte(iic, byte)
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#define iic_revbyte(ack) hw_iic_rx_byte(iic, ack)
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#else
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static soft_iic_dev iic = 0;
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#define iic_init() soft_iic_init(iic)
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#define iic_uninit() soft_iic_uninit(iic)
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#define iic_start() soft_iic_start(iic)
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#define iic_stop() soft_iic_stop(iic)
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#define iic_sendbyte(byte) soft_iic_tx_byte(iic, byte)
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#define iic_revbyte(ack) soft_iic_rx_byte(iic, ack)
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#endif
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#define IIC_START_BIT BIT(0)
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#define IIC_STOP_BIT BIT(1)
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#define IIC_ACK_BIT BIT(2)
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u8 iic_wbyte(u8 st, u8 dat)
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{
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bool ack_var = 0;
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if (st & IIC_START_BIT) {
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iic_start();
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}
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ack_var = iic_sendbyte(dat);
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if (st & IIC_STOP_BIT) {
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iic_stop();
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}
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/* printf("a=%d,",ack_var); */
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/* return ack_var ? 1 : 0; */
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return ack_var ? 0 : 1;
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}
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u8 iic_rbyte(u8 st)
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{
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u8 iic_dat = 0;
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if (st & IIC_START_BIT) {
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iic_start();
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}
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/* iic_dat = iic_revbyte(st & IIC_ACK_BIT); */
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iic_dat = iic_revbyte(!(st & IIC_ACK_BIT));
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if (st & IIC_STOP_BIT) {
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iic_stop();
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}
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/* printf("d=0x%x,",iic_dat); */
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return iic_dat;
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}
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static void iic_start_addr(u8 addr)
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{
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u8 cnt = 0xff;
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while (--cnt) {
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if (iic_wbyte(IIC_START_BIT, addr)) {
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delay(200);
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continue;
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} else {
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break;
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}
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}
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}
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void iAP_iic_write(u8 iic_addr, u8 iic_dat)
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{
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/* iic_write_byte(WRITE_ADDR, iic_addr, iic_dat); */
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iic_start_addr(WRITE_ADDR); //Send the I2C write address of the CP
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iic_wbyte(0, iic_addr); //
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iic_wbyte(IIC_STOP_BIT, iic_dat); //
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}
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void iAP_iic_writen(u8 iic_addr, u8 *iic_dat, u8 len)
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{
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/* iic_write_buf(WRITE_ADDR, iic_addr, iic_dat, len); */
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iic_start_addr(WRITE_ADDR); //Send the I2C write address of the CP
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iic_wbyte(0, iic_addr); //
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//deg_string("\niic_dat=");
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for (; len > 1; len--) {
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//iap_put_u8hex(*iic_dat);
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iic_wbyte(0, *iic_dat++); //写数据
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}
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iic_wbyte(IIC_STOP_BIT, *iic_dat); //写数据
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}
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u8 iAP_iic_read(u8 iic_addr)
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{
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/* return iic_read_byte(WRITE_ADDR, READ_ADDR, iic_addr); */
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u8 iic_dat;
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iic_start_addr(WRITE_ADDR); //Send the I2C write address of the CP
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iic_wbyte(IIC_STOP_BIT, iic_addr); //
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iic_start_addr(READ_ADDR); //Send the I2C read address of the CP
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iic_dat = iic_rbyte(IIC_STOP_BIT | IIC_ACK_BIT); //
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return iic_dat;
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}
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void iAP_iic_readn(u8 iic_addr, u8 *iic_dat, u8 len)
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{
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/* iic_read_buf(WRITE_ADDR, READ_ADDR, iic_addr, iic_dat, len); */
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iic_start_addr(WRITE_ADDR); //Send the I2C write address of the CP
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iic_wbyte(IIC_STOP_BIT, iic_addr); //
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iic_start_addr(READ_ADDR); //Send the I2C read address of the CP
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/* delay8(20); */
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for (; len > 1; len--) {
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*iic_dat++ = iic_rbyte(0); //
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}
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*iic_dat = iic_rbyte(IIC_STOP_BIT | IIC_ACK_BIT); //
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#if (IAP_CRACK_CHIP==IAP_CRACK_CP30)
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if (iic_addr == CHALLENGE_DATA_LENGTH) {
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*iic_dat = 32;
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}
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#endif
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}
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//Authentication Coprocessor 2.0C register map
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#define VALUE_DEVICE_VERSION 0x05
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#define VALUE_FIRMWARE_VERSION 0x01
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#define VALUE_AUTHENTICATION_PROTOCOL_MAJOR_VERSION 0x02
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#define VALUE_AUTHENTICATION_PROTOCOL_MINOR_VERSION 0x00
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#define VALUE_DEVICE_IDL 0x0000
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#define VALUE_DEVICE_IDH 0x0002
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#define DEVICE_ID_SIZE 4
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u8 iap_iic_id[4];
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const u8 iap_iic_chip_id[4] = {
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#if (IAP_CRACK_CHIP==IAP_CRACK_CP30)
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0x00, 0x00, 0x03, 0x00
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#else
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0x00, 0x00, 0x02, 0x00
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#endif
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};
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u8 apple_mfi_chip_online_check_api(void)
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{
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iic_init();
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os_time_dly(2);
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chip_online_status = MFI_CHIP_OFFLINE;
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#if 0
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if (VALUE_DEVICE_VERSION != iAP_iic_read(ADDR_DEVICE_VERSION)) {
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return MFI_DV_ERROR;
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}
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if (VALUE_FIRMWARE_VERSION != iAP_iic_read(ADDR_FIRMWARE_VERSION)) {
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return MFI_FV_ERROR;
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}
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if (VALUE_AUTHENTICATION_PROTOCOL_MAJOR_VERSION != iAP_iic_read(ADDR_AUTHENTICATION_PROTOCOL_MAJOR_VERSION)) {
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return MFI_AP_MAJOR_V_ERROR;
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}
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if (VALUE_AUTHENTICATION_PROTOCOL_MINOR_VERSION != iAP_iic_read(ADDR_AUTHENTICATION_PROTOCOL_MINOR_VERSION)) {
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return MFI_AP_MINOR_V_ERROR;
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}
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#endif
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#if 0
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u16 id_l, id_h;
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my_memset(iap_iic_id, 0, sizeof(iap_iic_id));
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iAP_iic_readn(ADDR_DEVICE_ID, (u8 *)(iap_iic_id), DEVICE_ID_SIZE);
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/* id = SW32(id); */
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id_l = iap_iic_id[1];
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id_l = (id_l << 8) | iap_iic_id[0];
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id_h = iap_iic_id[3];
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id_h = (id_h << 8) | iap_iic_id[2];
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iAP_put_u16hex(id_l);
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iAP_put_u16hex(id_h);
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if ((VALUE_DEVICE_IDL != id_l) || (VALUE_DEVICE_IDH != id_h)) {
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/* iAP_deg_puts("-err-"); */
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return MFI_DEVICE_ID_ERROR;
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} else {
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/* iAP_deg_puts("-ok-"); */
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/* iAP_printf_buf((u8 *)id, 4); */
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}
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#else
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__gain:
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memset(iap_iic_id, 0, sizeof(iap_iic_id));
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iAP_iic_readn(ADDR_DEVICE_ID, (u8 *)(iap_iic_id), DEVICE_ID_SIZE);
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/* id = SW32(id); */
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printf("-iap id \n");
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put_buf(iap_iic_id, sizeof(iap_iic_id));
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put_buf((u8 *)iap_iic_chip_id, sizeof(iap_iic_chip_id));
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printf("cmp=0x%x \n", memcmp(iap_iic_id, (u8 *)iap_iic_chip_id, 4));
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/* if ((iap_iic_id[0] != 0x00) */
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/* || (iap_iic_id[1] != 0x00) */
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/* || (iap_iic_id[2] != 0x02) */
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/* || (iap_iic_id[3] != 0x00) */
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/* ) { */
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if (memcmp(iap_iic_id, (u8 *)iap_iic_chip_id, 4)) {
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/* iAP_deg_puts("-err-"); */
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printf("--err \n");
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os_time_dly(1);
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/* goto __gain; */
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return MFI_DEVICE_ID_ERROR;
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} else {
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printf("--ok \n");
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/* iAP_deg_puts("-ok-"); */
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/* iAP_printf_buf((u8 *)id, 4); */
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}
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#endif
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chip_online_status = MFI_CHIP_ONLINE;
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return MFI_CHIP_ONLINE;
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}
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#endif /* TCFG_USB_APPLE_DOCK_EN */
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