1 files changed, 67 insertions, 0 deletions
diff --git a/firmware/zpu/apps/flash_test.c b/firmware/zpu/apps/flash_test.c
new file mode 100644
index 000000000..5b4569030
--- /dev/null
+++ b/firmware/zpu/apps/flash_test.c
@@ -0,0 +1,67 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2010 Ettus Research LLC
+ *
+ */
+
+#include <memory_map.h>
+#include <hal_io.h>
+#include <hal_uart.h>
+#include <xilinx_s3_icap.h>
+#include <nonstdio.h>
+#include <spi_flash.h>
+#include <spi.h>
+#include <clocks.h>
+#include <string.h>
+
+//just a test to write to SPI flash and retrieve the same values.
+//uses the MOBFLEET SPI flash library
+
+void delay(uint32_t t) {
+	while(t-- != 0) asm("NOP");
+}
+
+int main(int argc, char *argv[]) {
+	uint16_t i, t;
+	uint8_t buf[260];
+	const uint8_t testdata[] = {0xDE, 0xAD, 0xBE, 0xEF, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C};
+
+  hal_disable_ints();	// In case we got here via jmp 0x0
+//	spi_init();
+  hal_uart_init();
+//	clocks_init(); //set up AD9510, enable FPGA clock @ 1x divisor
+
+	puts("SPI Flash test\n");
+	puts("Initializing SPI\n");
+
+	spif_init();
+	delay(800000);
+	puts("Erasing sector 1\n");
+	spi_flash_erase(0x00010000, 256);
+	delay(800000);
+	puts("Reading back data\n");
+	spi_flash_read(0x00010000, 256, buf);
+	delay(800000);
+
+	t=1;
+	for(i=4; i<250; i++) {
+		if(buf[i] != 0xFF) t=0;
+	}
+
+	if(!t) puts("Data was not initialized to 0xFF. Unsuccessful erase or read\n");
+	else puts("Data initialized to 0xFF, erase confirmed\n");
+
+	puts("Writing test buffer\n");
+	spi_flash_program(0x00010000, 16, testdata);
+	//memset(buf, 0, 256);
+
+	delay(800000);
+	puts("Wrote data, reading back\n");
+
+	spi_flash_read(0x00010000, 16, buf);
+
+	if(memcmp(testdata, buf, 16)) puts("Data is not the same between read and write. Unsuccessful write or read\n");
+	else puts("Successful write! Flash write correct\n");
+
+	return 0;
+}