4 files changed, 84 insertions, 0 deletions
diff --git a/examples/spiblink/slave/.config b/examples/spiblink/slave/.config
new file mode 100644
index 0000000..31c10ea
--- /dev/null
+++ b/examples/spiblink/slave/.config
@@ -0,0 +1,44 @@
+#
+# Automatically generated file; DO NOT EDIT.
+# AVR-IOE spiblink slave configuration
+#
+SPIBLINK_SLAVE_DEFAULTS=y
+CONFIG_BLINK_IO="IO_B0"
+MMCU="atmega328p"
+ATMEGA328P=y
+# ATMEGA168A is not set
+# ATTINY85 is not set
+# ATTINY4313 is not set
+F_CPU=16000
+
+#
+# Compilation options
+#
+CHOST="avr-"
+CCFLAGS="-Os -ffunction-sections -fdata-sections -fshort-enums -Wall"
+CLDFLAGS=""
+CBUILD=""
+BUILD_CFLAGS="-Wall"
+BUILD_LDFLAGS=""
+CONFIG_ERRORS=y
+
+#
+# Errors handling
+#
+# CONFIG_EH_RESTART is not set
+# CONFIG_EH_HANG is not set
+# CONFIG_EH_LED is not set
+# CONFIG_ERROR_MESSAGES is not set
+# CONFIG_ERROR_CALLBACK is not set
+# CONFIG_CHECK_ARGUMENTS is not set
+MCUSUPPORT_IOPORTS=y
+CONFIG_IOPORTS=y
+MCUSUPPORT_PCINT0=y
+MCUSUPPORT_PCINT1=y
+MCUSUPPORT_PCINT2=y
+# CONFIG_IOPORTS_PCINT is not set
+MCUSUPPORT_SPI=y
+CONFIG_SPI=y
+MCUSUPPORT_USART=y
+# CONFIG_USART is not set
+# CONFIG_TIMERS is not set
diff --git a/examples/spiblink/slave/Kconfig b/examples/spiblink/slave/Kconfig
new file mode 100644
index 0000000..c264b9f
--- /dev/null
+++ b/examples/spiblink/slave/Kconfig
@@ -0,0 +1,15 @@
+mainmenu "AVR-IOE spiblink slave configuration"
+
+# We need CONFIG_IOPORTS, but we don't care about anything else.
+config SPIBLINK_SLAVE_DEFAULTS
+	bool
+	default y
+	select CONFIG_SPI
+	select CONFIG_IOPORTS
+
+config CONFIG_BLINK_IO
+	string "Output pin used to connect led"
+	depends on SPIBLINK_SLAVE_DEFAULTS
+	default "IO_B0"
+
+source "../../../ioe.Kconfig"
diff --git a/examples/spiblink/slave/Makefile b/examples/spiblink/slave/Makefile
new file mode 100644
index 0000000..7410058
--- /dev/null
+++ b/examples/spiblink/slave/Makefile
@@ -0,0 +1,6 @@
+EXAMPLE_NAME = spiblink_slave
+EXAMPLE_PATH = spiblink/slave
+SRC = slave.c
+
+IOEROOT=../../../
+include ../../examples.mk
diff --git a/examples/spiblink/slave/slave.c b/examples/spiblink/slave/slave.c
new file mode 100644
index 0000000..2a65323
--- /dev/null
+++ b/examples/spiblink/slave/slave.c
@@ -0,0 +1,19 @@
+#include <avr/io.h>
+#include <util/delay.h>
+#include <ioport.h>
+#include <spi.h>
+
+void receive(uint8_t data);
+
+int main() {
+	io_setout(CONFIG_BLINK_IO);
+
+	spi_receive = receive;
+	spi_init(SPI_MODE_SLAVE);
+	SREG |= _BV(7); // Enable global interrupts
+	while (1);  // Busy loop
+}
+
+void receive(uint8_t data) {
+	io_set(CONFIG_BLINK_IO, data);
+}