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test(BitScrambler): added more basic test cases

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e.g. to test different eof mode, prefetch mode
This commit is contained in:
morris
2025-03-04 18:55:16 +08:00
parent cf169a402b
commit ee668ee658
15 changed files with 143 additions and 11 deletions
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examples/peripherals/bitscrambler/main/bitscrambler_example_main.c
+6 -5
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@@ -31,12 +31,13 @@ void app_main(void)
{
ESP_LOGI(TAG, "BitScrambler example main");
size_t test_data_len = sizeof(testdata);
uint8_t* result_buf = heap_caps_calloc(test_data_len, 1, MALLOC_CAP_DMA);
size_t input_data_len = sizeof(testdata);
size_t output_data_len = input_data_len; // because the example BitScrambler program doesn't increase or decrease the data length
uint8_t* result_buf = heap_caps_calloc(output_data_len, 1, MALLOC_CAP_DMA);
assert(result_buf);
size_t result_buf_size = heap_caps_get_allocated_size(result_buf);
assert(result_buf_size >= test_data_len);
assert(result_buf_size >= output_data_len);
bitscrambler_handle_t bs;
ESP_ERROR_CHECK(bitscrambler_loopback_create(&bs, SOC_BITSCRAMBLER_ATTACH_I2S0, result_buf_size));
@@ -44,10 +45,10 @@ void app_main(void)
size_t result_len;
// we can even use a const array as the input data because the DMA can read data from the Flash region
ESP_ERROR_CHECK(bitscrambler_loopback_run(bs, (void*)testdata, test_data_len, result_buf, result_buf_size, &result_len));
ESP_ERROR_CHECK(bitscrambler_loopback_run(bs, (void*)testdata, input_data_len, result_buf, result_buf_size, &result_len));
bitscrambler_free(bs);
printf("BitScrambler program complete. Input %zu, output %zu bytes:\n", test_data_len, result_len);
printf("BitScrambler program complete. Input %zu, output %zu bytes:\n", input_data_len, result_len);
for (size_t i = 0; i < result_len; i++) {
printf("%02X ", result_buf[i]);
if ((i & 7) == 7) {