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added memory test for VHDL config

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This commit is contained in:
Markus Fröschle
2016-06-04 21:16:01 +00:00
parent 96c54bced9
commit 47d42b20f0
3 changed files with 37 additions and 17 deletions
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2
BaS_gcc/tos/vmem_test/include/bas_printf.h
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@@ -31,5 +31,5 @@ extern int sprintf(char *str, const char *format, ...);
extern void display_progress(void);
extern void hexdump(uint8_t buffer[], int size);
extern void hexdump(volatile uint8_t buffer[], int size);
#endif /* _BAS_PRINTF_H_ */

11
BaS_gcc/tos/vmem_test/sources/bas_printf.c
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@@ -417,27 +417,28 @@ void display_progress()
xputchar('\r');
}
void hexdump(uint8_t buffer[], int size)
void hexdump(volatile uint8_t buffer[], int size)
{
int i;
int line = 0;
uint8_t *bp = buffer;
volatile uint8_t *bp = buffer;
while (bp < buffer + size) {
uint8_t *lbp = bp;
volatile uint8_t *lbp = bp;
xprintf("%08x ", line);
for (i = 0; i < 16; i++) {
uint8_t c = *lbp++;
if (bp + i > buffer + size) {
break;
}
xprintf("%02x ", (uint8_t) *lbp++);
xprintf("%02x ", c);
}
lbp = bp;
for (i = 0; i < 16; i++) {
int8_t c = *lbp++;
volatile int8_t c = *lbp++;
if (bp + i > buffer + size) {
break;

41
BaS_gcc/tos/vmem_test/sources/vmem_test.c
View File

@@ -122,6 +122,7 @@ static void init_video_ddr(void) {
void do_tests(void)
{
uint32_t version;
uint32_t buffer[64];
xprintf("initialize Firebee video PLL\r\n");
init_pll();
@@ -138,20 +139,38 @@ void do_tests(void)
xprintf("try to access Firebee FPGA memory\r\n");
xprintf("read\r\n");
start = MCF_SLT0_SCNT;
hexdump((uint8_t *) _VRAM, 64);
end = MCF_SLT0_SCNT;
time = (start - end) / (SYSCLK / 1000) / 1000;
xprintf("finished (took %f seconds).\r\n", time / 1000.0);
xprintf("write\r\n");
start = MCF_SLT0_SCNT;
for (i = 0; i < 64; i++)
{
((uint8_t *) _VRAM)[i] = (uint32_t) i;
((volatile uint8_t *) _VRAM)[i] = (uint32_t) i;
}
xprintf("read\r\n");
start = MCF_SLT0_SCNT;
xprintf("byte read\r\n");
for (i = 0; i < 64; i++)
((uint8_t *) buffer)[i] = * ((uint8_t *) _VRAM) + i;
hexdump((volatile uint8_t *) buffer, 64);
xprintf("word read\r\n");
for (i = 0; i < 64 / sizeof(uint16_t); i++)
((uint16_t *) buffer)[i] = * ((uint16_t *) _VRAM) + i;
hexdump((volatile uint8_t *) buffer, 64);
xprintf("longword read\r\n");
for (i = 0; i < 64 / sizeof(uint32_t); i++)
((uint32_t *) buffer)[i] = *((uint32_t *) _VRAM) + i;
hexdump((volatile uint8_t *) buffer, 64);
end = MCF_SLT0_SCNT;
time = (start - end) / (SYSCLK / 1000) / 1000;
xprintf("finished (took %f seconds).\r\n", time / 1000.0);
end = MCF_SLT0_SCNT;
time = (start - end) / (SYSCLK / 1000) / 1000;
@@ -159,7 +178,7 @@ void do_tests(void)
xprintf("read\r\n");
start = MCF_SLT0_SCNT;
hexdump((uint8_t *) _VRAM, 64);
hexdump((volatile uint8_t *) _VRAM, 64);
end = MCF_SLT0_SCNT;
time = (start - end) / (SYSCLK / 1000) / 1000;
@@ -233,7 +252,7 @@ void wait_for_jtag(void)
/* begin of tests */
while (1) do_tests();
do_tests();
xprintf("wait a little to let things settle...\r\n");
for (i = 0; i < 100000L; i++);