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tests/periph/fmc: improve test app

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To detect misconfigurations of addresses and sizes, the whole memory is filled word-wise with it's addresses. If the content doesn't match, it prints the address and the content.
f
This commit is contained in:
Gunar Schorcht 2023-07-26 23:46:19 +02:00
parent d5f4b6491d
commit 6fdc6ef37e
1 changed files with 28 additions and 17 deletions
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45
tests/periph/fmc/main.c
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@ -43,7 +43,7 @@ void bench_mem_write(uint32_t addr, uint32_t len)
int main(void)
{
printf("HCLK freq %lu MHz\n", CLOCK_AHB/MHZ(1));
printf("FMC HCLK freq %lu MHz\n", CLOCK_AHB/MHZ(1));
uint8_t *data8 = (uint8_t *)(fmc_bank_config[FMC_BANK].address);
uint16_t *data16 = (uint16_t *)((fmc_bank_config[FMC_BANK].address) + 256);
@ -61,7 +61,7 @@ int main(void)
for (unsigned i = 0; i < 256; i++) {
if (data8[i] != i) {
printf("memory content did not match @%p\n", &data8[i]);
printf("ERROR: memory content did not match @%p\n", &data8[i]);
return 1;
}
}
@ -74,7 +74,7 @@ int main(void)
for (unsigned i = 0; i < 128; i++) {
if (data16[i] != ((128 + i) << 8) + i) {
printf("memory content did not match @%p\n", &data16[i]);
printf("ERROR: memory content did not match @%p\n", &data16[i]);
return 1;
}
}
@ -88,31 +88,39 @@ int main(void)
for (unsigned i = 0; i < 64; i++) {
if (data32[i] != ((192 + i) << 24) + ((128 + i) << 16) + ((64 + i) << 8) + i) {
printf("memory content did not match @%p\n", &data32[i]);
printf("ERROR: memory content did not match @%p\n", &data32[i]);
return 1;
}
}
puts("------------------------------------------------------------------------");
printf("fill complete memory of %lu kByte (. represents 16 kByte)\n",
printf("fill complete memory of %lu kByte, a . represents a 16 kByte block\n",
fmc_bank_config[FMC_BANK].size >> 10);
for (uint32_t i = 0; i < fmc_bank_config[FMC_BANK].size; i++) {
data8[i] = (i % 256);
if ((i % KiB(16)) == 0) {
data32 = (uint32_t *)(fmc_bank_config[FMC_BANK].address);
for (uint32_t i = 0; i < (fmc_bank_config[FMC_BANK].size >> 2); i++) {
*data32 = (uint32_t)data32;
data32++;
if (((i << 2) % KiB(16)) == 0) {
printf(".");
}
}
puts("\nready");
puts("------------------------------------------------------------------------");
puts("check memory content, a + represents one 16 kByte block of matching data");
puts("check memory content (+ represents 16 kByte of matching data)");
for (uint32_t i = 0; i < fmc_bank_config[FMC_BANK].size; i++) {
if (data8[i] != (i % 256)) {
printf("memory content did not match @%08"PRIx32"\n",
fmc_bank_config[FMC_BANK].address + i);
data32 = (uint32_t *)(fmc_bank_config[FMC_BANK].address);
for (uint32_t i = 0; i < (fmc_bank_config[FMC_BANK].size >> 2); i++) {
if (*data32 != (uint32_t)data32) {
printf("ERROR: memory content did not match @%p, "
"should be %p but was 0x%08"PRIx32"\n",
data32, data32, *data32);
return 1;
}
if ((i % KiB(16)) == 0) {
data32++;
if (((i << 2) % KiB(16)) == 0) {
printf("+");
}
}
@ -145,8 +153,11 @@ int main(void)
puts("print first and last memory block after benchmark, should be 0xaa\n");
od_hex_dump_ext(data8, 256, 16, fmc_bank_config[FMC_BANK].address);
puts("");
od_hex_dump_ext(data32, 256, 16, (fmc_bank_config[FMC_BANK].address) +
(fmc_bank_config[FMC_BANK].size) - 256);
data8 = (uint8_t *)((fmc_bank_config[FMC_BANK].address) +
(fmc_bank_config[FMC_BANK].size) - 256);
od_hex_dump_ext(data8, 256, 16, (fmc_bank_config[FMC_BANK].address) +
(fmc_bank_config[FMC_BANK].size) - 256);
puts("------------------------------------------------------------------------");
puts("\n[SUCCESS]\n");