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Line 7: − + − I have started a Linux application, all seems ok, except the ftdi_read_data that always return 0 :/+ − For those who interested this page can be a base to make a usable application. − − − #include <stdio.h> − #include <sys/types.h> − #include <ftdi.h> − − //-------------------------- Globals ---------------------------------- − int32_t status; − int ret; − int32_t TxSent; − int32_t RxSent; − − struct ftdi_context ftdic; − − int cmd_readmem = 0x04; − //-------------------------- Function Prototypes ---------------------------------- − void gecko_opendevice(); − − − − − int main(int argc, char **argv) − { − void* plop; − unsigned char responseback = 0; − − ftdi_init(&ftdic); − − − printf("-----------------------------------\n"); − printf("- NoNameNo's UsbGecko Linux Tools -\n"); − printf("-----------------------------------\n\n"); − − gecko_opendevice(); − printf("Connecting to Wii.\n"); − printf("%x\n",gecko_writebyte(&cmd_readmem,1)); − printf("%x\n",gecko_readbyte(&responseback, 1)); − ftdi_usb_close(&ftdic); − ftdi_deinit(&ftdic); − − return EXIT_SUCCESS; − } − //---------------------------------------------------------------------------------------------------- − //---------------------------------------------------------------------------------------------------- − //---------------------------------------------------------------------------------------------------- − int gecko_readbyte(unsigned char* lpBuffer, int dwBytesToRead) − { − status = ftdi_read_data(&ftdic, lpBuffer, dwBytesToRead); − − if (status > 0){ − if(status != dwBytesToRead){ − return 2; − } − } − else{ − printf("[Error] UsbGecko Reading Device\n"); − //ftdi_usb_close(&ftdic); − //ftdi_deinit(&ftdic); − return status; − } − − return 1; − } − − //---------------------------------------------------------------------------------------------------- − //---------------------------------------------------------------------------------------------------- − //---------------------------------------------------------------------------------------------------- − int gecko_writebyte(unsigned char* lpBuffer, int dwBytesToWrite) − { − status = ftdi_write_data(&ftdic, lpBuffer, dwBytesToWrite); − − if (status > 0){ − if(status != dwBytesToWrite){ − return 2; − } − } − else{ − printf("[Error] UsbGecko Writing Device\n"); − ftdi_usb_close(&ftdic); − ftdi_deinit(&ftdic); − return 0; − } − − return 1; − } − − − − //---------------------------------------------------------------------------------------------------- − //---------------------------------------------------------------------------------------------------- − //---------------------------------------------------------------------------------------------------- − void gecko_opendevice() − { − //---------------------------open device -------------------------------------- − if((ret = ftdi_usb_open(&ftdic, 0x0403, 0x6001)) < 0) { − printf("[Error] UsbGecko NOT Detected\n"); − exit(0); − } − else{ − printf("[OK] UsbGecko Detected\n"); − } − − − //---------------------------Reset device -------------------------------------- − if((ret = ftdi_usb_reset(&ftdic)) < 0) { − printf("[Error] UsbGecko Reseting Device \n"); − ftdi_usb_close(&ftdic); − ftdi_deinit(&ftdic); − exit(0); − } − else{ − printf("[OK] UsbGecko Reseted\n"); − } − − − //---------------------------SetTimeOut to 2000 -------------------------------------- − ftdic.usb_read_timeout=2000; − ftdic.usb_write_timeout=2000; − printf("[OK] UsbGecko Setted 2 sec timout\n"); − − //---------------------------Purging RX/TX buffers -------------------------------------- − if((ret = ftdi_usb_purge_buffers(&ftdic)) < 0) { − printf("[Error] UsbGecko Purging Buffer \n"); − ftdi_usb_close(&ftdic); − ftdi_deinit(&ftdic); − exit(0); − } − else{ − printf("[OK] UsbGecko Purged RX/TX buffers\n"); − } − − − − //--------------------------- Set RX/TX size buffer -------------------------------------- − if((ret = ftdi_read_data_set_chunksize(&ftdic,65536)) < 0) { − printf("[Error] UsbGecko Setting RX buffer size\n"); − ftdi_usb_close(&ftdic); − ftdi_deinit(&ftdic); − exit(0); − } − else{ − printf("[OK] UsbGecko Setted RX Buffer Size\n"); − } − if((ret = ftdi_write_data_set_chunksize(&ftdic,65536)) < 0) { − printf("[Error] UsbGecko Setting TX Buffer size\n"); − ftdi_usb_close(&ftdic); − ftdi_deinit(&ftdic); − exit(0); − } − else{ − printf("[OK] UsbGecko Setted TX Buffer Size\n"); − } − − − //---------------------------Required ??? -------------------------------------- − sleep(1); − − } − </source> − [[Category:Homebrew]]
cleaning out the codedump and adding some real facts
* For Linux : [http://www.intra2net.com/de/produkte/opensource/ftdi/ API] [http://www.intra2net.com/de/produkte/opensource/ftdi/documentation/group__libftdi.html DOC]
* For Linux : [http://www.intra2net.com/de/produkte/opensource/ftdi/ API] [http://www.intra2net.com/de/produkte/opensource/ftdi/documentation/group__libftdi.html DOC]
==Hardware==
The usb gecko is a two step converter to convert EXI<->serial<->usb. It is a fancy serial port. All the fun is provided by software. No, the EXI interrupt is not possible to trigger from the PC.
<source lang="c">