modified: source/inlprog.c
-introducing getopt to obtain commandline args modified: source/usb_operations.c -moving USB defn comments in from main
This commit is contained in:
paul eeepc
parent
4cbeff1ecf
commit
cfffe554be
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@ -1,54 +1,114 @@
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <ctype.h>
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#include <assert.h>
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#include <errno.h>
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#include <unistd.h>
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#include <libusb.h>
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//uncomment to DEBUG this file alone
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//#define DEBUG
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#define DEBUG
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//"make debug" to get DEBUG msgs on entire program
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#include "dbg.h"
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#include "usb_operations.h"
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//control transfer request types
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//uint8_t libusb_control_setup::bmRequestType
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//Request type.
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// Bits 0:4 determine recipient, see libusb_request_recipient. Bits 5:6 determine type, see libusb_request_type. Bit 7 determines data transfer direction, see libusb_endpoint_direction.
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//
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//libusb_request_types:
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//LIBUSB_REQUEST_TYPE_STANDARD Standard handled by driver during setup/etc
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//LIBUSB_REQUEST_TYPE_CLASS Class for use with specific device classes like HID.
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//LIBUSB_REQUEST_TYPE_VENDOR Vendor application specific as we choose which is what we'll be utilizing for all transfers
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//LIBUSB_REQUEST_TYPE_RESERVED Reserved.
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//
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//libusb_request_recipients:
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//LIBUSB_RECIPIENT_DEVICE Device.
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//LIBUSB_RECIPIENT_INTERFACE Interface.
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//LIBUSB_RECIPIENT_ENDPOINT Endpoint.
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//LIBUSB_RECIPIENT_OTHER Other.
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//
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//LIBUSB_ENDPOINT_IN In: device-to-host.
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//LIBUSB_ENDPOINT_OUT Out: host-to-device.
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// vendor requests also defined in firmware
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// TODO put in combined .h file for both host and fw
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#define REQ_LED_ON 1
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#define REQ_LED_OFF 2
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//USB timeout
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#define SEC_5 5000
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int main(int argc, char *argv[])
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{
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check(argc > 1, "USAGE: inlretro <action o/f>");
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int o_flag = 0; //LED ON
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int f_flag = 0; //LED OFF
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int e_flag = 0; //ERASE
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int m_flag = 0; //MIRROR
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char *w_value = NULL; //WRITE FILE
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char *d_value = NULL; //DUMP FILE
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char *s_value = NULL; //SAVE FILE
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char *i_value = NULL; //iNES MAPPER
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char *b_value = NULL; //BOARD
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int index = 0;
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int rv = 0;
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opterr = 0;
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//getopt returns args till done then returns -1
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//string of possible args : denotes 1 required additional arg
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//:: denotes optional additional arg follows
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while( (rv = getopt( argc, argv, "ofemw:d:s:i:b:")) != -1) {
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switch(rv) {
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case 'o':
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o_flag = 1;
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break;
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case 'f':
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f_flag = 1;
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break;
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case 'e':
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e_flag = 1;
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break;
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case 'm':
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m_flag = 1;
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break;
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case 'w':
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w_value = optarg;
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break;
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case 'd':
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d_value = optarg;
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break;
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case 's':
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s_value = optarg;
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break;
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case 'i':
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i_value = optarg;
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break;
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case 'b':
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b_value = optarg;
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break;
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case '?':
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if ( optopt == 'w' ) {
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log_err("Option -%c requires an argument.", optopt);
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} else if ( optopt == 'd' ) {
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log_err("Option -%c requires an argument.", optopt);
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} else if ( optopt == 's' ) {
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log_err("Option -%c requires an argument.", optopt);
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} else if ( optopt == 'i' ) {
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log_err("Option -%c requires an argument.", optopt);
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} else if ( optopt == 'b' ) {
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log_err("Option -%c requires an argument.", optopt);
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} else if ( isprint(optopt)) {
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log_err("Unknown option -%c .", optopt);
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} else {
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log_err("Unknown option character '\\x%x'", optopt);
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}
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log_err("Improper arguements passed");
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break;
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default:
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sentinel("getopt failed to catch all arg cases");
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}
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}
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debug("flags= o:%d f:%d e:%d m:%d", o_flag, f_flag, e_flag, m_flag);
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debug("args= w:%s d:%s s:%s i:%s b:%s", w_value, d_value, s_value, i_value, b_value);
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for( index = optind; index < argc; index++) {
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log_err("Non-option arguement: %s \n", argv[index]);
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}
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//context set to NULL since only acting as single user of libusb
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libusb_context *context = NULL;
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//create usb device handle pointer to interact with retro-prog
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libusb_device_handle *rprog_handle = NULL;
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rprog_handle = open_usb_device( context );
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check(rprog_handle != NULL, "Unable to open INL retro-prog usb device handle.");
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check( rprog_handle != NULL, "Unable to open INL retro-prog usb device handle.");
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int xfr_cnt = 0;
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//uint8_t buffer8[8]; //8 is max payload for low speed devices' data packet
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@ -56,29 +116,15 @@ int main(int argc, char *argv[])
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uint8_t buffer254[254]; //254 is max for non-LONG_TRANSFERS with V-USB
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//uint8_t buffer16k[16384]; //16384 is max for LONG_TRANSFERS with V-USB
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if (argc < 2) {
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printf("USAGE: inlretro <action o/f>\n");
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exit(1);
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}
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char action = argv[1][0];
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switch (action) {
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case 'o': //ON send REQ_LED_ON
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xfr_cnt = usb_write_to_device( rprog_handle,
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REQ_LED_ON, (unsigned char *)buffer254, sizeof(buffer254) );
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printf("total bytes xfrd: %d \n", xfr_cnt);
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break;
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case 'f':
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xfr_cnt = usb_write_to_device( rprog_handle,
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REQ_LED_OFF, (unsigned char *)buffer254, sizeof(buffer254) );
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printf("total bytes xfrd: %d \n", xfr_cnt);
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break;
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default:
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printf("Invalid action o-on f-off\n");
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exit(1);
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if (o_flag) { //ON send REQ_LED_ON
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xfr_cnt = usb_write_to_device( rprog_handle,
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REQ_LED_ON, (unsigned char *)buffer254, sizeof(buffer254) );
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printf("total bytes xfrd: %d \n", xfr_cnt);
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}
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if (f_flag) { //OFF send REQ_LED_OFF
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xfr_cnt = usb_write_to_device( rprog_handle,
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REQ_LED_OFF, (unsigned char *)buffer254, sizeof(buffer254) );
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printf("total bytes xfrd: %d \n", xfr_cnt);
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}
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close_usb( context, rprog_handle);
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@ -12,6 +12,29 @@
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#include "usb_operations.h"
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//USB timeout
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#define SEC_5 5000
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//control transfer request types
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//uint8_t libusb_control_setup::bmRequestType
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//Request type.
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// Bits 0:4 determine recipient, see libusb_request_recipient. Bits 5:6 determine type, see libusb_request_type. Bit 7 determines data transfer direction, see libusb_endpoint_direction.
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//
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//libusb_request_types:
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//LIBUSB_REQUEST_TYPE_STANDARD Standard handled by driver during setup/etc
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//LIBUSB_REQUEST_TYPE_CLASS Class for use with specific device classes like HID.
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//LIBUSB_REQUEST_TYPE_VENDOR Vendor application specific as we choose which is what we'll be utilizing for all transfers
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//LIBUSB_REQUEST_TYPE_RESERVED Reserved.
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//
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//libusb_request_recipients:
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//LIBUSB_RECIPIENT_DEVICE Device.
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//LIBUSB_RECIPIENT_INTERFACE Interface.
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//LIBUSB_RECIPIENT_ENDPOINT Endpoint.
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//LIBUSB_RECIPIENT_OTHER Other.
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//
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//LIBUSB_ENDPOINT_IN In: device-to-host.
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//LIBUSB_ENDPOINT_OUT Out: host-to-device.
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libusb_device_handle * open_usb_device( libusb_context *context )
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{
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int rv = 0;
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