diff options
Diffstat (limited to 'src/jtag/drivers/versaloon/usbtoxxx/usbtogpio.c')
| -rw-r--r-- | src/jtag/drivers/versaloon/usbtoxxx/usbtogpio.c | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/src/jtag/drivers/versaloon/usbtoxxx/usbtogpio.c b/src/jtag/drivers/versaloon/usbtoxxx/usbtogpio.c new file mode 100644 index 00000000..5be515f6 --- /dev/null +++ b/src/jtag/drivers/versaloon/usbtoxxx/usbtogpio.c @@ -0,0 +1,100 @@ +/*************************************************************************** + * Copyright (C) 2009 - 2010 by Simon Qian <SimonQian@SimonQian.com> * + * * + * This program is free software; you can redistribute it and/or modify * + * it under the terms of the GNU General Public License as published by * + * the Free Software Foundation; either version 2 of the License, or * + * (at your option) any later version. * + * * + * This program is distributed in the hope that it will be useful, * + * but WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * + * GNU General Public License for more details. * + * * + * You should have received a copy of the GNU General Public License * + * along with this program; if not, write to the * + * Free Software Foundation, Inc., * + * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * + ***************************************************************************/ +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include <string.h> + +#include "../versaloon_include.h" +#include "../versaloon.h" +#include "../versaloon_internal.h" +#include "usbtoxxx.h" +#include "usbtoxxx_internal.h" + +RESULT usbtogpio_init(uint8_t interface_index) +{ + return usbtoxxx_init_command(USB_TO_GPIO, interface_index); +} + +RESULT usbtogpio_fini(uint8_t interface_index) +{ + return usbtoxxx_fini_command(USB_TO_GPIO, interface_index); +} + +RESULT usbtogpio_config(uint8_t interface_index, uint32_t mask, + uint32_t dir_mask, uint32_t pull_en_mask, + uint32_t input_pull_mask) +{ + uint8_t conf[8]; + +#if PARAM_CHECK + if (interface_index > 7) + { + LOG_BUG(ERRMSG_INVALID_INTERFACE_NUM, interface_index); + return ERROR_FAIL; + } +#endif + + dir_mask &= mask; + SET_LE_U16(&conf[0], mask); + SET_LE_U16(&conf[2], dir_mask); + SET_LE_U16(&conf[4], pull_en_mask); + SET_LE_U16(&conf[6], input_pull_mask); + + return usbtoxxx_conf_command(USB_TO_GPIO, interface_index, conf, + sizeof(conf)); +} + +RESULT usbtogpio_in(uint8_t interface_index, uint32_t mask, uint32_t *value) +{ + uint8_t buf[2]; + +#if PARAM_CHECK + if (interface_index > 7) + { + LOG_BUG(ERRMSG_INVALID_INTERFACE_NUM, interface_index); + return ERROR_FAIL; + } +#endif + + SET_LE_U16(&buf[0], mask); + + return usbtoxxx_in_command(USB_TO_GPIO, interface_index, buf, 2, 2, + (uint8_t*)value, 0, 2, 0); +} + +RESULT usbtogpio_out(uint8_t interface_index, uint32_t mask, uint32_t value) +{ + uint8_t buf[4]; + +#if PARAM_CHECK + if (interface_index > 7) + { + LOG_BUG(ERRMSG_INVALID_INTERFACE_NUM, interface_index); + return ERROR_FAIL; + } +#endif + + SET_LE_U16(&buf[0], mask); + SET_LE_U16(&buf[2], value); + + return usbtoxxx_out_command(USB_TO_GPIO, interface_index, buf, 4, 0); +} + |