68 lines
1.5 KiB
C
68 lines
1.5 KiB
C
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/*
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* Copyright (c) 2018, Synopsys, Inc.
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include "mux_hal.h"
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#include "mux.h"
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static MUX_REG *mux_ctrl_regs = (MUX_REG *)0;
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/** initialize i2c controller and set slave device address */
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void mux_init(MUX_REG *mux_regs)
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{
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// Initialize Mux controller registers by default values
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mux_regs[PMOD_MUX_CTRL] = PMOD_MUX_CTRL_DEFAULT;
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mux_regs[SPI_MAP_CTRL] = SPI_MAP_CTRL_DEFAULT;
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mux_regs[UART_MAP_CTRL] = UART_MAP_CTRL_DEFAULT;
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mux_ctrl_regs = mux_regs;
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}
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/** Get mux ctrl register pointer, only valid after mux_init */
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MUX_REG *get_mux_regs(void)
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{
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return mux_ctrl_regs;
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}
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/** set PMOD muxer scheme */
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void set_pmod_mux(MUX_REG *mux_regs, uint32_t val)
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{
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mux_regs[PMOD_MUX_CTRL] = val;
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}
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/** get PMOD muxer scheme */
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uint32_t get_pmod_mux(MUX_REG *mux_regs)
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{
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return (uint32_t) mux_regs[PMOD_MUX_CTRL];
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}
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/** set PMOD muxer scheme */
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void change_pmod_mux(MUX_REG *mux_regs, uint32_t val, uint32_t change_bits)
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{
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mux_regs[PMOD_MUX_CTRL] = ((mux_regs[PMOD_MUX_CTRL] & ~change_bits) | val);
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}
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/** set SPI connection scheme */
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void set_spi_map(MUX_REG *mux_regs, uint32_t val)
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{
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mux_regs[SPI_MAP_CTRL] = val;
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}
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/** get SPI connection scheme */
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uint32_t get_spi_map(MUX_REG *mux_regs)
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{
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return (uint32_t) mux_regs[SPI_MAP_CTRL];
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}
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/** set UART connection scheme */
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void set_uart_map(MUX_REG *mux_regs, uint32_t val)
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{
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mux_regs[UART_MAP_CTRL] = val;
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}
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/** get UART connection scheme */
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uint32_t get_uart_map(MUX_REG *mux_regs)
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{
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return (uint32_t) mux_regs[UART_MAP_CTRL];
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}
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