diff options
Diffstat (limited to 'libmpio/src')
| -rw-r--r-- | libmpio/src/io.c | 29 | ||||
| -rw-r--r-- | libmpio/src/mpio.c | 11 |
2 files changed, 27 insertions, 13 deletions
diff --git a/libmpio/src/io.c b/libmpio/src/io.c index 6c1f1eb..61ddd4f 100644 --- a/libmpio/src/io.c +++ b/libmpio/src/io.c @@ -1,5 +1,5 @@ /* - * $Id: io.c,v 1.11 2004/04/23 18:17:56 germeier Exp $ + * $Id: io.c,v 1.12 2004/04/24 16:09:58 germeier Exp $ * * libmpio - a library for accessing Digit@lways MPIO players * Copyright (C) 2002-2004 Markus Germeier @@ -511,6 +511,9 @@ mpio_device_open(mpio_t *m){ int ret, i; m->use_libusb=1; + if (m->fd) + return MPIO_OK; + #ifdef USE_KMODULE debugn(2, "trying kernel module\n"); m->fd = open(MPIO_DEVICE, O_RDWR); @@ -549,12 +552,12 @@ mpio_device_open(mpio_t *m){ if (ret < 0) { debugn(2, "Error claiming device: %d \"%s\"\n", ret, usb_strerror()); + usb_close(m->usb_handle); return MPIO_ERR_PERMISSION_DENIED; } else { debugn(2, "claimed interface 0\n"); } - interface = dev->config->interface->altsetting; for (i = 0 ; i < interface->bNumEndpoints; i++) { @@ -572,8 +575,10 @@ mpio_device_open(mpio_t *m){ } } + m->fd=1; if (!(m->usb_in_ep && m->usb_out_ep)) { debugn(2, "Did not find USB bulk endpoints.\n"); + mpio_device_close(m); return MPIO_ERR_PERMISSION_DENIED; } @@ -583,22 +588,28 @@ mpio_device_open(mpio_t *m){ } } } - + + if (m->usb_handle) + usb_close(m->usb_handle); return MPIO_ERR_PERMISSION_DENIED; } int mpio_device_close(mpio_t *m) { if(m->use_libusb) { - debugn(2, "closing libusb\n"); - usb_close(m->usb_handle); - m->fd=0; + if (m->fd) { + debugn(2, "closing libusb\n"); + usb_close(m->usb_handle); + m->fd=0; + } } #ifdef USE_KMODULE else { - debugn(2, "closing kernel module\n"); - close(m->fd); - m->fd=0; + if (m->fd) { + debugn(2, "closing kernel module\n"); + close(m->fd); + m->fd=0; + } } #endif diff --git a/libmpio/src/mpio.c b/libmpio/src/mpio.c index d5667d1..229644e 100644 --- a/libmpio/src/mpio.c +++ b/libmpio/src/mpio.c @@ -1,5 +1,5 @@ /* - * $Id: mpio.c,v 1.14 2004/04/23 19:21:07 germeier Exp $ + * $Id: mpio.c,v 1.15 2004/04/24 16:09:58 germeier Exp $ * * libmpio - a library for accessing Digit@lways MPIO players * Copyright (C) 2002-2004 Markus Germeier @@ -95,9 +95,9 @@ static mpio_error_t mpio_errors[] = { { MPIO_ERR_DIR_NOT_EMPTY, "The selected directory is not empty." }, { MPIO_ERR_DEVICE_NOT_READY, - "Could not open " MPIO_DEVICE "\n" - "Verify that the mpio module is loaded and " - "your MPIO is\nconnected and powered up.\n" }, + "Could not access the player\n" + "Verify that the the player is\n" + "connected and powered up.\n" }, { MPIO_ERR_OUT_OF_MEMORY, "Out of Memory." }, { MPIO_ERR_INTERNAL, @@ -314,11 +314,14 @@ mpio_init(mpio_callback_init_t progress_callback) new_mpio = malloc(sizeof(mpio_t)); if (!new_mpio) { debug ("Error allocating memory for mpio_t"); + _mpio_errno = MPIO_ERR_OUT_OF_MEMORY; return NULL; } memset(new_mpio, 0, sizeof(mpio_t)); + new_mpio->fd=0; if (mpio_device_open(new_mpio) != MPIO_OK) { + free(new_mpio); _mpio_errno = MPIO_ERR_DEVICE_NOT_READY; return NULL; } |