From 79b1ba7104dba52dbfacf11a07305702889f440b Mon Sep 17 00:00:00 2001
From: Paul Selkirk <paul@psgd.org>
Date: Mon, 11 Apr 2016 14:44:44 -0400
Subject: Reorganize Makefile and directory structure, because it's messy, and
 it's about to get messier.

---
 self-test/fmc-perf.c | 126 ---------------------------------------------------
 1 file changed, 126 deletions(-)
 delete mode 100644 self-test/fmc-perf.c

(limited to 'self-test/fmc-perf.c')

diff --git a/self-test/fmc-perf.c b/self-test/fmc-perf.c
deleted file mode 100644
index 0c753a7..0000000
--- a/self-test/fmc-perf.c
+++ /dev/null
@@ -1,126 +0,0 @@
-/*
- * Test read/write performance of the fmc bus
- */
-#include "stm32f4xx_hal.h"
-#include "stm-init.h"
-#include "stm-led.h"
-#include "stm-fmc.h"
-#include "stm-uart.h"
-
-#define TEST_NUM_ROUNDS		2000000
-
-RNG_HandleTypeDef rng_inst;
-
-static void MX_RNG_Init(void)
-{
-    rng_inst.Instance = RNG;
-    HAL_RNG_Init(&rng_inst);
-}
-
-static uint32_t random(void)
-{
-    uint32_t rnd;
-    if (HAL_RNG_GenerateRandomNumber(&rng_inst, &rnd) != HAL_OK) {
-	uart_send_string("HAL_RNG_GenerateRandomNumber failed\r\n");
-	Error_Handler();
-    }
-    return rnd;
-}
-
-static void sanity(void)
-{
-    uint32_t rnd, data;
-  
-    rnd = random();  
-    if (fmc_write_32(0, &rnd) != 0) {
-	uart_send_string("fmc_write_32 failed\r\n");
-	Error_Handler();
-    }
-    if (fmc_read_32(0, &data) != 0) {
-	uart_send_string("fmc_read_32 failed\r\n");
-	Error_Handler();
-    }
-    if (data != rnd) {
-	uart_send_string("Data bus fail: expected ");
-	uart_send_hex(rnd, 8);
-	uart_send_string(", got ");
-	uart_send_hex(data, 8);
-	uart_send_string(", diff ");
-	uart_send_hex(data ^ rnd, 8);
-	uart_send_string("\r\n");
-	Error_Handler();
-    }
-}
-
-static void _time_check(char *label, const uint32_t t0)
-{
-    uint32_t t = HAL_GetTick() - t0;
-
-    uart_send_string(label);
-    uart_send_integer(t / 1000, 0);
-    uart_send_char('.');
-    uart_send_integer(t % 1000, 3);
-    uart_send_string(" seconds, ");
-    uart_send_integer(((1000 * TEST_NUM_ROUNDS) / t), 0);
-    uart_send_string("/sec\r\n");
-}
-
-#define time_check(_label_, _expr_)		\
-    do {					\
-	uint32_t _t = HAL_GetTick();		\
-	(_expr_);				\
-	_time_check(_label_, _t);		\
-    } while (0)
-
-static void test_read(void)
-{
-    uint32_t i, data;
-    
-    for (i = 0; i < TEST_NUM_ROUNDS; ++i) {
-	if (fmc_read_32(0, &data) != 0) {
-	    uart_send_string("fmc_read_32 failed\r\n");
-	    Error_Handler();
-	}
-    }
-}
-
-static void test_write(void)
-{
-    uint32_t i;
-    
-    for (i = 0; i < TEST_NUM_ROUNDS; ++i) {
-	if (fmc_write_32(0, &i) != 0) {
-	    uart_send_string("fmc_write_32 failed\r\n");
-	    Error_Handler();
-	}
-    }
-}
-
-int main(void)
-{
-    stm_init();
-
-    uart_send_string("Keep calm for Novena boot...\r\n");
-
-    // Blink blue LED for six seconds to not upset the Novena at boot.
-    led_on(LED_BLUE);
-    for (int i = 0; i < 12; i++) {
-	HAL_Delay(500);
-	led_toggle(LED_BLUE);
-    }
-    led_off(LED_BLUE);
-
-    // initialize rng
-    MX_RNG_Init();
-
-    // prepare fmc interface
-    fmc_init();
-
-    sanity();
-
-    time_check("read  ", test_read());
-    time_check("write ", test_write());
-
-    uart_send_string("Done.\r\n\r\n");
-    return 0;
-}
-- 
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