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/*
Copyright 2018 Massdrop Inc.
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, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include <stdint.h>
/* Data structure to define Shift Register output expander hardware */
/* This structure gets shifted into registers LSB first */
typedef union {
struct {
uint16_t RSVD4 : 1; /*!< bit: 0 */
uint16_t RSVD3 : 1; /*!< bit: 1 */
uint16_t RSVD2 : 1; /*!< bit: 2 */
uint16_t RSVD1 : 1; /*!< bit: 3 */
uint16_t SDB_N : 1; /*!< bit: 4 SHUTDOWN THE CHIP WHEN 0, RUN WHEN 1 */
uint16_t IRST : 1; /*!< bit: 5 RESET THE IS3733 I2C WHEN 1, RUN WHEN 0 */
uint16_t SRC_2 : 1; /*!< bit: 6 ADVERTISE A SOURCE TO USBC-2 CC */
uint16_t SRC_1 : 1; /*!< bit: 7 ADVERTISE A SOURCE TO USBC-1 CC */
uint16_t E_VBUS_2 : 1; /*!< bit: 8 ENABLE 5V OUT TO USBC-2 WHEN 1 */
uint16_t E_VBUS_1 : 1; /*!< bit: 9 ENABLE 5V OUT TO USBC-1 WHEN 1 */
uint16_t E_DN1_N : 1; /*!< bit: 10 ENABLE DN1 1:2 MUX WHEN 0 */
uint16_t S_DN1 : 1; /*!< bit: 11 SELECT DN1 PATH 0:USBC-1, 1:USBC-2 */
uint16_t E_UP_N : 1; /*!< bit: 12 ENABLE SUP 1:2 MUX WHEN 0 */
uint16_t S_UP : 1; /*!< bit: 13 SELECT UP PATH 0:USBC-1, 1:USBC-2 */
uint16_t HUB_RESET_N : 1; /*!< bit: 14 RESET USB HUB WHEN 0, RUN WHEN 1 */
uint16_t HUB_CONNECT : 1; /*!< bit: 15 SIGNAL VBUS CONNECT TO USB HUB WHEN 1 */
} bit; /*!< Structure used for bit access */
uint16_t reg; /*!< Type used for register access */
} sr_exp_t;
extern sr_exp_t sr_exp_data;
void SR_EXP_WriteData(void);
void SR_EXP_Init(void);
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