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Feature/add spi master test example for bdk (#1027)

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This commit is contained in:
Steve Karg
2025-06-21 13:04:54 -05:00
committed by GitHub
parent 14f033ceda
commit 9e626e599b
4 changed files with 121 additions and 5 deletions
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ports/bdk-atxx4-mstp/Makefile
+9 -5
View File
@@ -80,6 +80,7 @@ HALSRC = main.c \
adc.c \
input.c \
serial.c \
spi-master.c \
rs485.c \
mstimer-init.c \
led.c \
@@ -181,12 +182,15 @@ ifeq (${SEEPROM},128)
DEFINES += -DSEEPROM_PAGE_SIZE=64
DEFINES += -DSEEPROM_WORD_ADDRESS_16BIT=1
endif
ifeq (${BDK_VERSION},2)
DEFINES += -DBDK_VERSION=2
endif
ifeq (${BDK_VERSION},3)
DEFINES += -DBDK_VERSION=3
endif
#ifdef
ifeq (${BDK_VERSION},4)
DEFINES += -DBDK_VERSION=4
endif
OPTIMIZE_FLAGS = -mcall-prologues
OPTIMIZE_FLAGS += -finline-functions-called-once
@@ -281,7 +285,7 @@ AVRDUDE_FLAGS += -P $(AVRDUDE_PORT)
AVRDUDE_FLAGS += -B 8
# Fuse high byte (0=enable,1=disable):
# 0x93 = 1 0 0 1 0 0 1 1
# 0x93 = 1 0 0 1 0 0 1 1 - v3,v4 board
# 0x17 = 0 0 0 1 0 0 1 1 - v1,v2 board
# 0x17 = 0 0 0 1 0 1 1 1 - default
# ^ ^ ^ ^ ^ \+/ ^
@@ -295,7 +299,7 @@ AVRDUDE_FLAGS += -B 8
# +-------------------- OCDEN (Enable OCD)
#
# Fuse low byte (0=enable,1=disable):
# 0xD7 = 1 1 0 1 0 1 1 1 - v3 board
# 0xD7 = 1 1 0 1 0 1 1 1 - v3,v4 board
# 0xE6 = 1 1 1 0 0 1 1 0 - v1,v2 board
# 0x62 = 0 1 1 0 0 0 1 0 - default
# ^ ^ \+/ \--+--/
ports/bdk-atxx4-mstp/spi-master.c
+64
View File
@@ -0,0 +1,64 @@
/**************************************************************************
*
* Copyright (C) 2009 Steve Karg <skarg@users.sourceforge.net>
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*********************************************************************/
#include <stdbool.h>
#include <stdint.h>
#include <stdlib.h>
#include "hardware.h"
#include "spi-master.h"
void spi_master_init(void)
{
/* SS, MOSI, MISO, SCK */
DDRB=(1<<PINB4)|(1<<PINB5)|(0<<PINB6)|(1<<PINB7);
/* Enable SPI, Master, Clk/128 */
SPCR=(1<<SPR0)|(1<<SPR1)|(1<<MSTR)|(0<<DORD)|(1<<SPE)|(0<<SPIE);
power_spi_enable();
}
uint8_t spi_master_transfer(
uint8_t txdata)
{
/* Send SPI data */
SPDR = txdata;
/* Wait for transmission complete */
while(!(SPSR & (1<<SPIF))) {
/* do nothing */
}
return SPDR;
}
#ifdef TEST_SPI_MASTER
uint8_t Data_Register;
int main(void)
{
spi_master_init();
while(1)
{
/* loopback test */
Data_Register = spi_master_transfer(0xBA);
}
}
#endif
ports/bdk-atxx4-mstp/spi-master.h
+42
View File
@@ -0,0 +1,42 @@
/**************************************************************************
*
* Copyright (C) 2009 Steve Karg <skarg@users.sourceforge.net>
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*********************************************************************/
#ifndef SPI_MASTER_H
#define SPI_MASTER_H
#include <stdint.h>
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
uint8_t spi_master_transfer(
uint8_t txdata);
void spi_master_init(
void);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif
ports/bdk-atxx4-mstp/test.c
+6
View File
@@ -16,6 +16,7 @@
#include "rs485.h"
#include "bacnet/datalink/dlmstp.h"
#include "seeprom.h"
#include "spi-master.h"
#include "nvdata.h"
/* me */
#include "test.h"
@@ -47,6 +48,7 @@ void test_init(void)
#else
BIT_SET(DDRB, DDB0);
#endif
spi_master_init();
}
/**
@@ -194,6 +196,10 @@ void test_task(void)
"\r\nMax:%u", (unsigned)dlmstp_max_master());
serial_bytes_send((uint8_t *)Send_Buffer, strlen(Send_Buffer));
break;
case 's':
data_register = spi_master_transfer(0xBA);
snprintf(Send_Buffer, sizeof(Send_Buffer), "\r\nSPI:%02Xh", data_register);
break;
default:
break;
}