From a855e9f699b4b95f206dbcc15bce5e784e752076 Mon Sep 17 00:00:00 2001
From: occheung <dc@m-labs.hk>
Date: Thu, 24 Sep 2020 17:15:07 +0800
Subject: [PATCH] flash: load data as static

---
 src/flash.rs | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/flash.rs b/src/flash.rs
index 21a6a3e..f705312 100644
--- a/src/flash.rs
+++ b/src/flash.rs
@@ -12,13 +12,15 @@ pub enum FPGAFlashError {
     ResetStatusError,
 }
 
+const DATA: &'static [u8] = include_bytes!("../build/top.bin");
+
 // A public method to flash iCE40 FPGA on Humpback
 pub fn flash_ice40_fpga<SPI: Transfer<u8>,
                         SS: OutputPin,
                         RST: OutputPin,
                         DELAY: DelayUs<u32>,
                         DONE: InputPin>
-    (mut spi: SPI, mut ss: SS, mut creset: RST, cdone: DONE, mut delay: DELAY, data: &[u8]) -> Result<(), FPGAFlashError>
+    (mut spi: SPI, mut ss: SS, mut creset: RST, cdone: DONE, mut delay: DELAY) -> Result<(), FPGAFlashError>
 {
 	// Data buffer setup
 	let mut dummy_byte :[u8; 1] = [0x00];
@@ -62,7 +64,7 @@ pub fn flash_ice40_fpga<SPI: Transfer<u8>,
         .map_err(|_| FPGAFlashError::NegotiationError)?;
 
 	// Send the whole image without interruption
-	for byte in data.into_iter() {
+	for byte in DATA.into_iter() {
         let mut single_byte_slice = [*byte];
         spi.transfer(&mut single_byte_slice)
             .map_err(|_| FPGAFlashError::SPICommunicationError)?;