From 89f9b48073dc0f6def3c5af715359ce6626f9f6b Mon Sep 17 00:00:00 2001
From: occheung <dc@m-labs.hk>
Date: Thu, 17 Sep 2020 10:21:50 +0800
Subject: [PATCH] fpga config: fix spi transmission

---
 examples/fpga_config.rs | 21 ++++++++-------------
 1 file changed, 8 insertions(+), 13 deletions(-)

diff --git a/examples/fpga_config.rs b/examples/fpga_config.rs
index ddc069f..18ddfe2 100644
--- a/examples/fpga_config.rs
+++ b/examples/fpga_config.rs
@@ -1,8 +1,9 @@
 #![no_main]
 #![no_std]
 
-#[macro_use]
 extern crate log;
+use log::debug;
+
 use stm32h7xx_hal::hal::digital::v2::{
 	InputPin,
 	OutputPin,
@@ -108,19 +109,13 @@ fn main() -> ! {
 	// Drive SPI_SS_B low
 	fpga_ss.set_low().unwrap();
 
-	let config_data = include_bytes!("../build/top.bin");
-	fpga_cfg_spi.transfer(&config_data).unwrap();
-
 	// Send the whole image without interruption
-	// let base_address = 0x08100000;
-	// let size = 135100;
-	// for index in 0..size {
-	// 	unsafe {
-	// 		let data :u8 = ptr::read_volatile((base_address + index) as *const u8);
-	// 		block!(fpga_cfg_spi.send(data)).unwrap();
-	// 		block!(fpga_cfg_spi.read()).unwrap();
-	// 	}
-	// }
+	let config_data = include_bytes!("../build/top.bin");
+
+	for byte in config_data.into_iter() {
+		block!(fpga_cfg_spi.send(*byte)).unwrap();
+		block!(fpga_cfg_spi.read()).unwrap();
+	}
 
 	// Drive SPI_SS_B high
 	fpga_ss.set_high().unwrap();