72 lines
1.6 KiB
C
72 lines
1.6 KiB
C
/*
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* Copyright (c) 2020 Hubert Miś
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <zephyr/drivers/misc/ft8xx/ft8xx_common.h>
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#include <zephyr/sys/byteorder.h>
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#include "ft8xx_drv.h"
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void ft8xx_wr8(uint32_t address, uint8_t data)
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{
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int err;
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err = ft8xx_drv_write(address, &data, sizeof(data));
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__ASSERT(err == 0, "Writing FT8xx data at 0x%x failed", address);
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}
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void ft8xx_wr16(uint32_t address, uint16_t data)
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{
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int err;
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uint8_t buffer[2];
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*(uint16_t *)buffer = sys_cpu_to_le16(data);
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err = ft8xx_drv_write(address, buffer, sizeof(buffer));
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__ASSERT(err == 0, "Writing FT8xx data at 0x%x failed", address);
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}
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void ft8xx_wr32(uint32_t address, uint32_t data)
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{
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int err;
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uint8_t buffer[4];
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*(uint32_t *)buffer = sys_cpu_to_le32(data);
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err = ft8xx_drv_write(address, buffer, sizeof(buffer));
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__ASSERT(err == 0, "Writing FT8xx data at 0x%x failed", address);
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}
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uint8_t ft8xx_rd8(uint32_t address)
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{
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int err;
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uint8_t data = 0;
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err = ft8xx_drv_read(address, &data, sizeof(data));
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__ASSERT(err == 0, "Reading FT8xx data from 0x%x failed", address);
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return data;
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}
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uint16_t ft8xx_rd16(uint32_t address)
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{
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int err;
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uint8_t buffer[2] = {0};
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err = ft8xx_drv_read(address, buffer, sizeof(buffer));
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__ASSERT(err == 0, "Reading FT8xx data from 0x%x failed", address);
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return sys_le16_to_cpu(*(const uint16_t *)buffer);
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}
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uint32_t ft8xx_rd32(uint32_t address)
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{
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int err;
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uint8_t buffer[4] = {0};
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err = ft8xx_drv_read(address, buffer, sizeof(buffer));
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__ASSERT(err == 0, "Reading FT8xx data from 0x%x failed", address);
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return sys_le32_to_cpu(*(const uint32_t *)buffer);
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}
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