diff options
author | Joel Challis <git@zvecr.com> | 2021-10-22 00:49:38 +0100 |
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committer | GitHub <noreply@github.com> | 2021-10-22 00:49:38 +0100 |
commit | 1b1f3ec68ee1e7abe436a46bcfedf30f21330aef (patch) | |
tree | bbb7e0dd548773b6c1ead6275a4bafc1910c444a /tmk_core/protocol/arm_atsam/spi.h | |
parent | 1b93d576f84822d0f4947179ee49f614ba345f12 (diff) |
Split out arm_atsam shift register logic (#14848)
Diffstat (limited to 'tmk_core/protocol/arm_atsam/spi.h')
-rw-r--r-- | tmk_core/protocol/arm_atsam/spi.h | 70 |
1 files changed, 0 insertions, 70 deletions
diff --git a/tmk_core/protocol/arm_atsam/spi.h b/tmk_core/protocol/arm_atsam/spi.h deleted file mode 100644 index dcd45f31af..0000000000 --- a/tmk_core/protocol/arm_atsam/spi.h +++ /dev/null @@ -1,70 +0,0 @@ -/* -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/>. -*/ - -#ifndef _SPI_H_ -#define _SPI_H_ - -/* Macros for Shift Register control */ -#define SR_EXP_RCLK_LO PORT->Group[SR_EXP_RCLK_PORT].OUTCLR.reg = (1 << SR_EXP_RCLK_PIN) -#define SR_EXP_RCLK_HI PORT->Group[SR_EXP_RCLK_PORT].OUTSET.reg = (1 << SR_EXP_RCLK_PIN) -#define SR_EXP_OE_N_ENA PORT->Group[SR_EXP_OE_N_PORT].OUTCLR.reg = (1 << SR_EXP_OE_N_PIN) -#define SR_EXP_OE_N_DIS PORT->Group[SR_EXP_OE_N_PORT].OUTSET.reg = (1 << SR_EXP_OE_N_PIN) - -/* Determine bits to set for mux selection */ -#if SR_EXP_DATAOUT_PIN % 2 == 0 -# define SR_EXP_DATAOUT_MUX_SEL PMUXE -#else -# define SR_EXP_DATAOUT_MUX_SEL PMUXO -#endif - -/* Determine bits to set for mux selection */ -#if SR_EXP_SCLK_PIN % 2 == 0 -# define SR_EXP_SCLK_MUX_SEL PMUXE -#else -# define SR_EXP_SCLK_MUX_SEL PMUXO -#endif - -/* 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); - -#endif //_SPI_H_ |