spi: add unit test for slave receiving length
This commit is contained in:
Andrew
michael
parent
b9abb78546
commit
3bb41fd67e
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@ -6,6 +6,10 @@
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#include "test/test_common_spi.h"
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#include "sdkconfig.h"
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#ifndef MIN
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#define MIN(a, b)((a) > (b)? (b): (a))
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#endif
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/********************************************************************************
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* Test By Internal Connections
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********************************************************************************/
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@ -118,9 +122,16 @@ static void local_test_start(spi_device_handle_t *spi, int freq, const spitest_p
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spitest_gpio_output_sel(buscfg.sclk_io_num, FUNC_GPIO, spi_periph_signal[TEST_SPI_HOST].spiclk_out);
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}
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//clear master receive buffer
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memset(context->master_rxbuf, 0x66, sizeof(context->master_rxbuf));
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if (context) {
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//clear master receive buffer
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memset(context->master_rxbuf, 0x66, sizeof(context->master_rxbuf));
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}
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}
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static void local_test_end(spi_device_handle_t spi)
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{
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master_free_device_bus(spi);
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TEST_ASSERT(spi_slave_free(TEST_SLAVE_HOST) == ESP_OK);
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}
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static void local_test_loop(const void* arg1, void* arg2)
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@ -203,8 +214,7 @@ static void local_test_loop(const void* arg1, void* arg2)
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TEST_ASSERT(rcv_len >= len - 1 && rcv_len <= len + 4);
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}
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}
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master_free_device_bus(spi);
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TEST_ASSERT(spi_slave_free(TEST_SLAVE_HOST) == ESP_OK);
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local_test_end(spi);
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}
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}
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@ -496,6 +506,113 @@ static spitest_param_set_t mode_pgroup[] = {
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};
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TEST_SPI_LOCAL(MODE, mode_pgroup)
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/**********************SPI master slave transaction length test*************/
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/* Test SPI slave can receive different length of data in all 4 modes (permutations of
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* CPOL/CPHA and when DMA is used or not).
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* Length from 1 to 16 bytes are tested.
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*/
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#define MASTER_DATA_RAND_SEED 123
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#define SLAVE_DATA_RAND_SEED 456
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TEST_CASE("Slave receive correct data", "[spi]")
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{
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// Initialize device handle and spi bus
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uint32_t master_seed_send = MASTER_DATA_RAND_SEED;
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uint32_t slave_seed_send = SLAVE_DATA_RAND_SEED;
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uint32_t master_seed_cmp = slave_seed_send;
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uint32_t slave_seed_cmp = master_seed_send;
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const int buf_size = 20;
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WORD_ALIGNED_ATTR uint8_t slave_sendbuf[buf_size];
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WORD_ALIGNED_ATTR uint8_t slave_recvbuf[buf_size];
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WORD_ALIGNED_ATTR uint8_t master_sendbuf[buf_size];
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WORD_ALIGNED_ATTR uint8_t master_recvbuf[buf_size];
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uint8_t master_cmpbuf[buf_size];
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uint8_t slave_cmpbuf[buf_size];
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for (int spi_mode = 0; spi_mode < 4; spi_mode++) {
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for (int dma_chan = 0; dma_chan < 2; dma_chan++) {
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spi_device_handle_t spi;
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spitest_param_set_t test_param = {
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.dup = FULL_DUPLEX,
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.mode = spi_mode,
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.master_iomux = false,
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.slave_iomux = false,
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.master_dma_chan = 0,
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.slave_dma_chan = (dma_chan? TEST_DMA_CHAN_SLAVE: 0),
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};
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ESP_LOGI(SLAVE_TAG, "Test slave recv @ mode %d, dma enabled=%d", spi_mode, dma_chan);
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local_test_start(&spi, 1000*1000, &test_param, NULL);
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for (int round = 0; round < 20; round++) {
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// printf("trans %d\n", round);
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int master_trans_len = round + 1;
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const int slave_trans_len = 16;
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memset(master_sendbuf, 0xcc, buf_size);
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memset(slave_sendbuf, 0x55, buf_size);
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memset(master_recvbuf, 0xaa, buf_size);
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memset(slave_recvbuf, 0xbb, buf_size);
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for(int i = 0; i < master_trans_len; i++){
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master_sendbuf[i] = rand_r(&master_seed_send);
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slave_sendbuf[i] = rand_r(&slave_seed_send);
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}
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spi_slave_transaction_t slave_trans = {
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.length = slave_trans_len * 8,
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.tx_buffer = slave_sendbuf,
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.rx_buffer = slave_recvbuf
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};
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esp_err_t ret= spi_slave_queue_trans(TEST_SLAVE_HOST, &slave_trans, portMAX_DELAY);
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TEST_ESP_OK(ret);
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spi_transaction_t master_trans = {
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.length = 8 * master_trans_len,
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.tx_buffer = master_sendbuf,
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.rx_buffer = master_recvbuf
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};
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ret = spi_device_transmit(spi, &master_trans);
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TEST_ESP_OK(ret);
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spi_slave_transaction_t *out_trans;
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ret = spi_slave_get_trans_result(TEST_SLAVE_HOST, &out_trans, portMAX_DELAY);
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TEST_ESP_OK(ret);
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TEST_ASSERT_EQUAL_HEX32(&slave_trans, out_trans);
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for(int i = 0; i < master_trans_len; i++){
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master_cmpbuf[i] = rand_r(&master_seed_cmp);
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slave_cmpbuf[i] = rand_r(&slave_seed_cmp);
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}
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// esp_log_buffer_hex("master_send", master_sendbuf, buf_size);
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// esp_log_buffer_hex("slave_recv", slave_recvbuf, buf_size);
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// esp_log_buffer_hex("slave_send", slave_sendbuf, buf_size);
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// esp_log_buffer_hex("master_recv", master_recvbuf, buf_size);
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int master_expected_len = MIN(master_trans_len, slave_trans_len);
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TEST_ASSERT_EQUAL_HEX8_ARRAY(master_cmpbuf, master_recvbuf, master_expected_len);
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int slave_expected_len;
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if (dma_chan) {
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slave_expected_len = (master_expected_len & (~3));
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} else {
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slave_expected_len = master_expected_len;
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}
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if (slave_expected_len) {
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TEST_ASSERT_EQUAL_HEX8_ARRAY(slave_cmpbuf, slave_recvbuf, slave_expected_len);
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}
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}
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local_test_end(spi);
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}
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}
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}
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#if !TEMPORARY_DISABLED_FOR_TARGETS(ESP32S2)
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//These tests are ESP32 only due to lack of runners
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/********************************************************************************
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