zephyr/drivers/misc/ft8xx/ft8xx_common.c

72 lines
1.6 KiB
C

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