SPI Interface for Ethernet controller; Micrel KSZ8851SNL. More...
#include "ethspi.h"
#include <stdint.h>
#include "em_device.h"
#include "em_usart.h"
#include "em_gpio.h"
#include "em_cmu.h"
#include <stdio.h>
Go to the source code of this file.
Functions | |
void | ETHSPI_Init (void) |
ETHSPI_Init Initialize SPI interface to Ethernet controller. | |
static uint8_t | ETHSPI_XferSpi (uint8_t data) |
Performs the actual transfer of a byte. | |
static void | ETHSPI_SetChipSelect (bool value) |
Sets/resets the ChipSelect of the SPI. | |
void | ETHSPI_ReadRegister (uint8_t reg, int numBytes, void *data) |
Read ethernet controller register. | |
void | ETHSPI_WriteRegister (uint8_t reg, int numBytes, void *data) |
Write ethernet controller register. | |
void | ETHSPI_StartReadFIFO (void) |
Start reading from the ethernet controller FIFO. | |
void | ETHSPI_StartWriteFIFO (void) |
Start writing to the ethernet controller FIFO. | |
void | ETHSPI_StopFIFO (void) |
Stop read/write the ethernet controller FIFO. | |
void | ETHSPI_ReadFifoContinue (int numBytes, uint8_t *data) |
Continue reading ethernet controller FIFO. | |
void | ETHSPI_WriteFifoContinue (int numBytes, uint8_t *data) |
Continue writing ethernet controller FIFO. |
SPI Interface for Ethernet controller; Micrel KSZ8851SNL.
(C) Copyright 2012 Energy Micro AS, http://www.energymicro.com
Permission is granted to anyone to use this software for any purpose, including commercial applications, and to alter it and redistribute it freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. 2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software. 3. This notice may not be removed or altered from any source distribution. 4. The source and compiled code may only be used on Energy Micro "EFM32" microcontrollers and "EFR4" radios.
DISCLAIMER OF WARRANTY/LIMITATION OF REMEDIES: Energy Micro AS has no obligation to support this Software. Energy Micro AS is providing the Software "AS IS", with no express or implied warranties of any kind, including, but not limited to, any implied warranties of merchantability or fitness for any particular purpose or warranties against infringement of any proprietary rights of a third party.
Energy Micro AS will not be liable for any consequential, incidental, or special damages, or any other relief, or for any claim by any third party, arising from your use of this Software.
Definition in file ethspi.c.
static void ETHSPI_SetChipSelect | ( | bool | value | ) | [static] |
Sets/resets the ChipSelect of the SPI.
[in] | value | if true CS will be set, and reseted otherwise |
Definition at line 126 of file ethspi.c.
References SPI_CS_PIN, and SPI_CS_PORT.
Referenced by ETHSPI_ReadRegister(), ETHSPI_StartReadFIFO(), ETHSPI_StartWriteFIFO(), ETHSPI_StopFIFO(), and ETHSPI_WriteRegister().
static uint8_t ETHSPI_XferSpi | ( | uint8_t | data | ) | [static] |
Performs the actual transfer of a byte.
[in] | data | actual data to be passed towards spi |
Definition at line 109 of file ethspi.c.
Referenced by ETHSPI_ReadFifoContinue(), ETHSPI_ReadRegister(), ETHSPI_StartReadFIFO(), ETHSPI_StartWriteFIFO(), ETHSPI_WriteFifoContinue(), and ETHSPI_WriteRegister().