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// #################################################################################################
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// #################################################################################################
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// # << NEORV32: neorv32_gpio.c - General Purpose Input/Output Port HW Driver (Source) >> #
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// # << NEORV32: neorv32_gpio.c - General Purpose Input/Output Port HW Driver (Source) >> #
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// # ********************************************************************************************* #
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// # ********************************************************************************************* #
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// # BSD 3-Clause License #
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// # BSD 3-Clause License #
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// # #
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// # #
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// # Copyright (c) 2021, Stephan Nolting. All rights reserved. #
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// # Copyright (c) 2022, Stephan Nolting. All rights reserved. #
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// # #
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// # #
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// # Redistribution and use in source and binary forms, with or without modification, are #
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// # Redistribution and use in source and binary forms, with or without modification, are #
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// # permitted provided that the following conditions are met: #
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// # permitted provided that the following conditions are met: #
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// # #
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// # #
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// # 1. Redistributions of source code must retain the above copyright notice, this list of #
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// # 1. Redistributions of source code must retain the above copyright notice, this list of #
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**************************************************************************/
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**************************************************************************/
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void neorv32_gpio_port_set(uint64_t port_data) {
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void neorv32_gpio_port_set(uint64_t port_data) {
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union {
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union {
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uint64_t uint64;
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uint64_t uint64;
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uint32_t uint32[sizeof(uint64_t)/2];
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uint32_t uint32[sizeof(uint64_t)/sizeof(uint32_t)];
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} data;
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} data;
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data.uint64 = port_data;
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data.uint64 = port_data;
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NEORV32_GPIO.OUTPUT_LO = data.uint32[0];
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NEORV32_GPIO.OUTPUT_LO = data.uint32[0];
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NEORV32_GPIO.OUTPUT_HI = data.uint32[1];
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NEORV32_GPIO.OUTPUT_HI = data.uint32[1];
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**************************************************************************/
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**************************************************************************/
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uint64_t neorv32_gpio_port_get(void) {
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uint64_t neorv32_gpio_port_get(void) {
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union {
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union {
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uint64_t uint64;
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uint64_t uint64;
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uint32_t uint32[sizeof(uint64_t)/2];
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uint32_t uint32[sizeof(uint64_t)/sizeof(uint32_t)];
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} data;
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} data;
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data.uint32[0] = NEORV32_GPIO.INPUT_LO;
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data.uint32[0] = NEORV32_GPIO.INPUT_LO;
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data.uint32[1] = NEORV32_GPIO.INPUT_HI;
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data.uint32[1] = NEORV32_GPIO.INPUT_HI;
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