/* * SPDX-FileCopyrightText: 2021-2022 Espressif Systems (Shanghai) CO LTD * * SPDX-License-Identifier: Apache-2.0 */ #include "esp_log.h" #include "esp_attr.h" #include "soc/spi_periph.h" #include "sdkconfig.h" #include "test/test_common_spi.h" #include "driver/spi_master.h" #include "driver/spi_slave.h" #if (TEST_SPI_PERIPH_NUM >= 2) //These will only be enabled on chips with 2 or more SPI peripherals #ifndef MIN #define MIN(a, b)((a) > (b)? (b): (a)) #endif /******************************************************************************** * Test By Internal Connections ********************************************************************************/ static void local_test_init(void** context); static void local_test_deinit(void* context); static void local_test_loop(const void *test_param, void* context); static const ptest_func_t local_test_func = { .pre_test = local_test_init, .post_test = local_test_deinit, .loop = local_test_loop, .def_param = spitest_def_param, }; #define TEST_SPI_LOCAL(name, param_set) \ PARAM_GROUP_DECLARE(name, param_set) \ TEST_SINGLE_BOARD(SPI_##name, param_set, "[spi][timeout=120]", &local_test_func) static void local_test_init(void** arg) { esp_log_level_set("gpio", ESP_LOG_WARN); TEST_ASSERT(*arg==NULL); *arg = malloc(sizeof(spitest_context_t)); spitest_context_t* context = (spitest_context_t*)*arg; TEST_ASSERT(context!=NULL); context->slave_context = (spi_slave_task_context_t){}; esp_err_t err = init_slave_context( &context->slave_context); TEST_ASSERT(err == ESP_OK); xTaskCreate(spitest_slave_task, "spi_slave", 4096, &context->slave_context, 0, &context->handle_slave); } static void local_test_deinit(void* arg) { spitest_context_t* context = arg; vTaskDelete(context->handle_slave); context->handle_slave = 0; deinit_slave_context(&context->slave_context); } static void local_test_start(spi_device_handle_t *spi, int freq, const spitest_param_set_t* pset, spitest_context_t* context) { //master config spi_bus_config_t buscfg = SPI_BUS_TEST_DEFAULT_CONFIG(); spi_device_interface_config_t devcfg = SPI_DEVICE_TEST_DEFAULT_CONFIG(); spi_slave_interface_config_t slvcfg = SPI_SLAVE_TEST_DEFAULT_CONFIG(); //pin config & initialize //we can't have two sets of iomux pins on the same pins assert(!pset->master_iomux || !pset->slave_iomux); if (pset->slave_iomux) { //only in this case, use VSPI iomux pins buscfg.miso_io_num = SLAVE_IOMUX_PIN_MISO; buscfg.mosi_io_num = SLAVE_IOMUX_PIN_MOSI; buscfg.sclk_io_num = SLAVE_IOMUX_PIN_SCLK; devcfg.spics_io_num = SLAVE_IOMUX_PIN_CS; slvcfg.spics_io_num = SLAVE_IOMUX_PIN_CS; } else { buscfg.miso_io_num = MASTER_IOMUX_PIN_MISO; buscfg.mosi_io_num = MASTER_IOMUX_PIN_MOSI; buscfg.sclk_io_num = MASTER_IOMUX_PIN_SCLK; devcfg.spics_io_num = MASTER_IOMUX_PIN_CS; slvcfg.spics_io_num = MASTER_IOMUX_PIN_CS; } //this does nothing, but avoid the driver from using iomux pins if required buscfg.quadhd_io_num = (!pset->master_iomux && !pset->slave_iomux ? UNCONNECTED_PIN : -1); devcfg.mode = pset->mode; const int cs_pretrans_max = 15; if (pset->dup == HALF_DUPLEX_MISO) { devcfg.cs_ena_pretrans = cs_pretrans_max; devcfg.flags |= SPI_DEVICE_HALFDUPLEX; } else if (pset->dup == HALF_DUPLEX_MOSI) { devcfg.cs_ena_pretrans = cs_pretrans_max; devcfg.flags |= SPI_DEVICE_NO_DUMMY; } else { devcfg.cs_ena_pretrans = cs_pretrans_max; } const int cs_posttrans_max = 15; devcfg.cs_ena_posttrans = cs_posttrans_max; devcfg.input_delay_ns = pset->slave_tv_ns; devcfg.clock_speed_hz = freq; if (pset->master_limit != 0 && freq > pset->master_limit) devcfg.flags |= SPI_DEVICE_NO_DUMMY; //slave config slvcfg.mode = pset->mode; slave_pull_up(&buscfg, slvcfg.spics_io_num); int dma_chan = (pset->master_dma_chan == 0) ? 0 : SPI_DMA_CH_AUTO; TEST_ESP_OK(spi_bus_initialize(TEST_SPI_HOST, &buscfg, dma_chan)); TEST_ESP_OK(spi_bus_add_device(TEST_SPI_HOST, &devcfg, spi)); //slave automatically use iomux pins if pins are on VSPI_* pins buscfg.quadhd_io_num = -1; int slave_dma_chan = (pset->slave_dma_chan == 0) ? 0 : SPI_DMA_CH_AUTO; TEST_ESP_OK(spi_slave_initialize(TEST_SLAVE_HOST, &buscfg, &slvcfg, slave_dma_chan)); //initialize master and slave on the same pins break some of the output configs, fix them if (pset->master_iomux) { spitest_gpio_output_sel(buscfg.mosi_io_num, FUNC_SPI, spi_periph_signal[TEST_SPI_HOST].spid_out); spitest_gpio_output_sel(buscfg.miso_io_num, FUNC_GPIO, spi_periph_signal[TEST_SLAVE_HOST].spiq_out); spitest_gpio_output_sel(devcfg.spics_io_num, FUNC_SPI, spi_periph_signal[TEST_SPI_HOST].spics_out[0]); spitest_gpio_output_sel(buscfg.sclk_io_num, FUNC_SPI, spi_periph_signal[TEST_SPI_HOST].spiclk_out); } else if (pset->slave_iomux) { spitest_gpio_output_sel(buscfg.mosi_io_num, FUNC_GPIO, spi_periph_signal[TEST_SPI_HOST].spid_out); spitest_gpio_output_sel(buscfg.miso_io_num, FUNC_SPI, spi_periph_signal[TEST_SLAVE_HOST].spiq_out); spitest_gpio_output_sel(devcfg.spics_io_num, FUNC_GPIO, spi_periph_signal[TEST_SPI_HOST].spics_out[0]); spitest_gpio_output_sel(buscfg.sclk_io_num, FUNC_GPIO, spi_periph_signal[TEST_SPI_HOST].spiclk_out); } else { spitest_gpio_output_sel(buscfg.mosi_io_num, FUNC_GPIO, spi_periph_signal[TEST_SPI_HOST].spid_out); spitest_gpio_output_sel(buscfg.miso_io_num, FUNC_GPIO, spi_periph_signal[TEST_SLAVE_HOST].spiq_out); spitest_gpio_output_sel(devcfg.spics_io_num, FUNC_GPIO, spi_periph_signal[TEST_SPI_HOST].spics_out[0]); spitest_gpio_output_sel(buscfg.sclk_io_num, FUNC_GPIO, spi_periph_signal[TEST_SPI_HOST].spiclk_out); } if (context) { //clear master receive buffer memset(context->master_rxbuf, 0x66, sizeof(context->master_rxbuf)); } } static void local_test_end(spi_device_handle_t spi) { master_free_device_bus(spi); TEST_ASSERT(spi_slave_free(TEST_SLAVE_HOST) == ESP_OK); } static void local_test_loop(const void* arg1, void* arg2) { const spitest_param_set_t *pset = arg1; spitest_context_t *context = arg2; spi_device_handle_t spi; spitest_init_transactions(pset, context); const int *timing_speed_array = pset->freq_list; ESP_LOGI(MASTER_TAG, "****************** %s ***************", pset->pset_name); for (int i = 0; ; i++) { const int freq = timing_speed_array[i]; if (freq==0) break; if (pset->freq_limit && freq > pset->freq_limit) break; ESP_LOGI(MASTER_TAG, "==> %dkHz", freq / 1000); bool check_master_data = (pset->dup!=HALF_DUPLEX_MOSI && (pset->master_limit==0 || freq <= pset->master_limit)); if (!check_master_data) ESP_LOGI(MASTER_TAG, "skip master data check"); bool check_slave_data = (pset->dup!=HALF_DUPLEX_MISO); if (!check_slave_data) ESP_LOGI(SLAVE_TAG, "skip slave data check"); local_test_start(&spi, freq, pset, context); for (int k = 0; k < pset->test_size; k++) { WORD_ALIGNED_ATTR uint8_t recvbuf[320+8]; slave_txdata_t *txdata = &context->slave_trans[k]; spi_slave_transaction_t slave_trans = { .tx_buffer = txdata->start, .rx_buffer = recvbuf, .length = txdata->len, }; esp_err_t err = spi_slave_queue_trans(TEST_SLAVE_HOST, &slave_trans, portMAX_DELAY); TEST_ESP_OK(err); //wait for both master and slave end spi_transaction_t *t = &context->master_trans[k]; int len = get_trans_len(pset->dup, t); ESP_LOGI(MASTER_TAG, " ==> #%d: len: %d", k, len); //send master tx data err = spi_device_transmit(spi, t); TEST_ESP_OK(err); spi_slave_transaction_t *ret_trans; err = spi_slave_get_trans_result(TEST_SLAVE_HOST, &ret_trans, 5); TEST_ESP_OK(err); TEST_ASSERT_EQUAL(&slave_trans, ret_trans); uint32_t rcv_len = slave_trans.trans_len; bool failed = false; //check master data if (check_master_data && memcmp(slave_trans.tx_buffer, t->rx_buffer, (len + 7) / 8) != 0 ) { failed = true; } //check slave data and length //currently the rcv_len can be in range of [t->length-1, t->length+3] if ( rcv_len < len - 1 || rcv_len > len + 4) { failed = true; } if (check_slave_data && memcmp(t->tx_buffer, slave_trans.rx_buffer, (len + 7) / 8) != 0 ) { failed = true; } if (failed) { ESP_LOGI(SLAVE_TAG, "slave_recv_len: %d", rcv_len); spitest_master_print_data(t, len); ESP_LOG_BUFFER_HEX("slave tx", slave_trans.tx_buffer, len); ESP_LOG_BUFFER_HEX("slave rx", slave_trans.rx_buffer, len); //already failed, try to use the TEST_ASSERT to output the reason... TEST_ASSERT_EQUAL_HEX8_ARRAY(slave_trans.tx_buffer, t->rx_buffer, (len + 7) / 8); TEST_ASSERT_EQUAL_HEX8_ARRAY(t->tx_buffer, slave_trans.rx_buffer, (len + 7) / 8); TEST_ASSERT(rcv_len >= len - 1 && rcv_len <= len + 4); } } local_test_end(spi); } } /************ Timing Test ***********************************************/ //TODO: esp32s2 has better timing performance static spitest_param_set_t timing_pgroup[] = { //signals are not fed to peripherals through iomux if the functions are not selected to iomux #if !DISABLED_FOR_TARGETS(ESP32S2, ESP32S3) { .pset_name = "FULL_DUP, MASTER IOMUX", .freq_limit = ESP_SPI_SLAVE_MAX_FREQ_SYNC, .master_limit = SPI_MASTER_FREQ_13M, .dup = FULL_DUPLEX, .master_iomux = true, .slave_iomux = false, .slave_tv_ns = TV_INT_CONNECT_GPIO, }, { .pset_name = "FULL_DUP, SLAVE IOMUX", .freq_limit = ESP_SPI_SLAVE_MAX_FREQ_SYNC, .master_limit = SPI_MASTER_FREQ_13M, .dup = FULL_DUPLEX, .master_iomux = false, .slave_iomux = true, .slave_tv_ns = TV_INT_CONNECT, }, #endif { .pset_name = "FULL_DUP, BOTH GPIO", .freq_limit = ESP_SPI_SLAVE_MAX_FREQ_SYNC, .master_limit = SPI_MASTER_FREQ_10M, .dup = FULL_DUPLEX, .master_iomux = false, .slave_iomux = false, .slave_tv_ns = TV_INT_CONNECT_GPIO, }, //signals are not fed to peripherals through iomux if the functions are not selected to iomux #if !DISABLED_FOR_TARGETS(ESP32S2, ESP32S3) { .pset_name = "MISO_DUP, MASTER IOMUX", .freq_limit = ESP_SPI_SLAVE_MAX_FREQ_SYNC, .master_limit = ESP_SPI_SLAVE_MAX_FREQ_SYNC, .dup = HALF_DUPLEX_MISO, .master_iomux = true, .slave_iomux = false, .slave_tv_ns = TV_INT_CONNECT_GPIO, }, { .pset_name = "MISO_DUP, SLAVE IOMUX", .freq_limit = ESP_SPI_SLAVE_MAX_FREQ_SYNC, //.freq_limit = ESP_SPI_SLAVE_MAX_FREQ_SYNC, .dup = HALF_DUPLEX_MISO, .master_iomux = false, .slave_iomux = true, .slave_tv_ns = TV_INT_CONNECT, }, #endif { .pset_name = "MISO_DUP, BOTH GPIO", .freq_limit = ESP_SPI_SLAVE_MAX_FREQ_SYNC, //.freq_limit = ESP_SPI_SLAVE_MAX_FREQ_SYNC, .dup = HALF_DUPLEX_MISO, .master_iomux = false, .slave_iomux = false, .slave_tv_ns = TV_INT_CONNECT_GPIO, }, //signals are not fed to peripherals through iomux if the functions are not selected to iomux #if !DISABLED_FOR_TARGETS(ESP32S2, ESP32S3) { .pset_name = "MOSI_DUP, MASTER IOMUX", .freq_limit = ESP_SPI_SLAVE_MAX_FREQ_SYNC, //.freq_limit = ESP_SPI_SLAVE_MAX_READ_FREQ, //ESP_SPI_SLAVE_MAX_FREQ_SYNC, .dup = HALF_DUPLEX_MOSI, .master_iomux = true, .slave_iomux = false, .slave_tv_ns = TV_INT_CONNECT_GPIO, }, { .pset_name = "MOSI_DUP, SLAVE IOMUX", .freq_limit = ESP_SPI_SLAVE_MAX_FREQ_SYNC, //.freq_limit = ESP_SPI_SLAVE_MAX_READ_FREQ, //ESP_SPI_SLAVE_MAX_FREQ_SYNC, .dup = HALF_DUPLEX_MOSI, .master_iomux = false, .slave_iomux = true, .slave_tv_ns = TV_INT_CONNECT, }, #endif { .pset_name = "MOSI_DUP, BOTH GPIO", .freq_limit = ESP_SPI_SLAVE_MAX_FREQ_SYNC, //.freq_limit = ESP_SPI_SLAVE_MAX_READ_FREQ, //ESP_SPI_SLAVE_MAX_FREQ_SYNC, .dup = HALF_DUPLEX_MOSI, .master_iomux = false, .slave_iomux = false, .slave_tv_ns = TV_INT_CONNECT_GPIO, }, }; TEST_SPI_LOCAL(TIMING, timing_pgroup) /************ Mode Test ***********************************************/ #define FREQ_LIMIT_MODE SPI_MASTER_FREQ_16M static int test_freq_mode_local[]={ 1*1000*1000, SPI_MASTER_FREQ_9M, //maximum freq MISO stable before next latch edge SPI_MASTER_FREQ_13M, SPI_MASTER_FREQ_16M, SPI_MASTER_FREQ_20M, SPI_MASTER_FREQ_26M, SPI_MASTER_FREQ_40M, 0, }; //signals are not fed to peripherals through iomux if the functions are not selected to iomux #ifdef CONFIG_IDF_TARGET_ESP32 #define LOCAL_MODE_TEST_SLAVE_IOMUX true /* * When DMA is enabled in mode 0 and 2, an special workaround is used. The MISO (slave's output) is * half an SPI clock ahead, but then delay 3 apb clocks. * Compared to the normal timing, the MISO is not slower than when the frequency is below 13.3MHz, * under which there's no need for the master to compensate the MISO signal. However compensation * is required when the frequency is beyond 16MHz, at this time, an extra positive delay is added * to the normal delay (3 apb clocks). * * It's is hard to tell the master driver that kind of delay logic. This magic delay value happens * to compensate master timing beyond 16MHz. * * If the master or slave's timing is changed again, and the test no longer passes, above 16MHz, * it's OK to use `master_limit` to disable master data check or skip the test above some * frequencies above 10MHz (the design target value). */ #define SLAVE_EXTRA_DELAY_DMA 12.5 #else #define LOCAL_MODE_TEST_SLAVE_IOMUX false #define SLAVE_EXTRA_DELAY_DMA 0 #endif static spitest_param_set_t mode_pgroup[] = { { .pset_name = "Mode 0", .freq_list = test_freq_mode_local, .master_limit = SPI_MASTER_FREQ_13M, .dup = FULL_DUPLEX, .mode = 0, .master_iomux = false, .slave_iomux = LOCAL_MODE_TEST_SLAVE_IOMUX, .slave_tv_ns = TV_INT_CONNECT, }, { .pset_name = "Mode 1", .freq_list = test_freq_mode_local, .freq_limit = SPI_MASTER_FREQ_26M, .master_limit = SPI_MASTER_FREQ_13M, .dup = FULL_DUPLEX, .mode = 1, .master_iomux = false, .slave_iomux = LOCAL_MODE_TEST_SLAVE_IOMUX, .slave_tv_ns = TV_INT_CONNECT, }, { .pset_name = "Mode 2", .freq_list = test_freq_mode_local, .master_limit = SPI_MASTER_FREQ_13M, .dup = FULL_DUPLEX, .mode = 2, .master_iomux = false, .slave_iomux = LOCAL_MODE_TEST_SLAVE_IOMUX, .slave_tv_ns = TV_INT_CONNECT, }, { .pset_name = "Mode 3", .freq_list = test_freq_mode_local, .freq_limit = SPI_MASTER_FREQ_26M, .master_limit = SPI_MASTER_FREQ_13M, .dup = FULL_DUPLEX, .mode = 3, .master_iomux = false, .slave_iomux = LOCAL_MODE_TEST_SLAVE_IOMUX, .slave_tv_ns = TV_INT_CONNECT, }, { .pset_name = "Mode 0, DMA", .freq_list = test_freq_mode_local, .master_limit = SPI_MASTER_FREQ_13M, .dup = FULL_DUPLEX, .mode = 0, .slave_dma_chan = SPI_DMA_CH_AUTO, .master_iomux = false, .slave_iomux = LOCAL_MODE_TEST_SLAVE_IOMUX, .slave_tv_ns = TV_INT_CONNECT, .length_aligned = true, }, { .pset_name = "Mode 1, DMA", .freq_list = test_freq_mode_local, .freq_limit = SPI_MASTER_FREQ_26M, .master_limit = SPI_MASTER_FREQ_13M, .dup = FULL_DUPLEX, .mode = 1, .slave_dma_chan = SPI_DMA_CH_AUTO, .master_iomux = false, .slave_iomux = LOCAL_MODE_TEST_SLAVE_IOMUX, .slave_tv_ns = TV_INT_CONNECT, .length_aligned = true, }, { .pset_name = "Mode 2, DMA", .freq_list = test_freq_mode_local, .master_limit = SPI_MASTER_FREQ_13M, .dup = FULL_DUPLEX, .mode = 2, .slave_dma_chan = SPI_DMA_CH_AUTO, .master_iomux = false, .slave_iomux = LOCAL_MODE_TEST_SLAVE_IOMUX, .slave_tv_ns = TV_INT_CONNECT, .length_aligned = true, }, { .pset_name = "Mode 3, DMA", .freq_list = test_freq_mode_local, .freq_limit = SPI_MASTER_FREQ_26M, .master_limit = SPI_MASTER_FREQ_13M, .dup = FULL_DUPLEX, .mode = 3, .slave_dma_chan = SPI_DMA_CH_AUTO, .master_iomux = false, .slave_iomux = LOCAL_MODE_TEST_SLAVE_IOMUX, .slave_tv_ns = TV_INT_CONNECT, .length_aligned = true, }, /////////////////////////// MISO //////////////////////////////////// { .pset_name = "MISO, Mode 0", .freq_list = test_freq_mode_local, .dup = HALF_DUPLEX_MISO, .mode = 0, .master_iomux = false, .slave_iomux = LOCAL_MODE_TEST_SLAVE_IOMUX, .slave_tv_ns = TV_INT_CONNECT, }, { .pset_name = "MISO, Mode 1", .freq_list = test_freq_mode_local, .dup = HALF_DUPLEX_MISO, .mode = 1, .master_iomux = false, .slave_iomux = LOCAL_MODE_TEST_SLAVE_IOMUX, .slave_tv_ns = TV_INT_CONNECT, }, { .pset_name = "MISO, Mode 2", .freq_list = test_freq_mode_local, .dup = HALF_DUPLEX_MISO, .mode = 2, .master_iomux = false, .slave_iomux = LOCAL_MODE_TEST_SLAVE_IOMUX, .slave_tv_ns = TV_INT_CONNECT, }, { .pset_name = "MISO, Mode 3", .freq_list = test_freq_mode_local, .dup = HALF_DUPLEX_MISO, .mode = 3, .master_iomux = false, .slave_iomux = LOCAL_MODE_TEST_SLAVE_IOMUX, .slave_tv_ns = TV_INT_CONNECT, }, { .pset_name = "MISO, Mode 0, DMA", .freq_list = test_freq_mode_local, .dup = HALF_DUPLEX_MISO, .mode = 0, .slave_dma_chan = SPI_DMA_CH_AUTO, .master_iomux = false, .slave_iomux = LOCAL_MODE_TEST_SLAVE_IOMUX, .slave_tv_ns = TV_INT_CONNECT+SLAVE_EXTRA_DELAY_DMA, .length_aligned = true, }, { .pset_name = "MISO, Mode 1, DMA", .freq_list = test_freq_mode_local, .dup = HALF_DUPLEX_MISO, .mode = 1, .slave_dma_chan = SPI_DMA_CH_AUTO, .master_iomux = false, .slave_iomux = LOCAL_MODE_TEST_SLAVE_IOMUX, .slave_tv_ns = TV_INT_CONNECT, .length_aligned = true, }, { .pset_name = "MISO, Mode 2, DMA", .freq_list = test_freq_mode_local, .dup = HALF_DUPLEX_MISO, .mode = 2, .slave_dma_chan = SPI_DMA_CH_AUTO, .master_iomux = false, .slave_iomux = LOCAL_MODE_TEST_SLAVE_IOMUX, .slave_tv_ns = TV_INT_CONNECT+SLAVE_EXTRA_DELAY_DMA, .length_aligned = true, }, { .pset_name = "MISO, Mode 3, DMA", .freq_list = test_freq_mode_local, .dup = HALF_DUPLEX_MISO, .mode = 3, .slave_dma_chan = SPI_DMA_CH_AUTO, .master_iomux = false, .slave_iomux = LOCAL_MODE_TEST_SLAVE_IOMUX, .slave_tv_ns = TV_INT_CONNECT, .length_aligned = true, }, }; TEST_SPI_LOCAL(MODE, mode_pgroup) /**********************SPI master slave transaction length test*************/ /* Test SPI slave can receive different length of data in all 4 modes (permutations of * CPOL/CPHA and when DMA is used or not). * Length from 1 to 16 bytes are tested. */ #define MASTER_DATA_RAND_SEED 123 #define SLAVE_DATA_RAND_SEED 456 TEST_CASE("Slave receive correct data", "[spi]") { // Initialize device handle and spi bus unsigned int master_seed_send = MASTER_DATA_RAND_SEED; unsigned int slave_seed_send = SLAVE_DATA_RAND_SEED; unsigned int master_seed_cmp = slave_seed_send; unsigned int slave_seed_cmp = master_seed_send; const int buf_size = 20; WORD_ALIGNED_ATTR uint8_t slave_sendbuf[buf_size]; WORD_ALIGNED_ATTR uint8_t slave_recvbuf[buf_size]; WORD_ALIGNED_ATTR uint8_t master_sendbuf[buf_size]; WORD_ALIGNED_ATTR uint8_t master_recvbuf[buf_size]; uint8_t master_cmpbuf[buf_size]; uint8_t slave_cmpbuf[buf_size]; for (int spi_mode = 0; spi_mode < 4; spi_mode++) { for (int dma_chan = 0; dma_chan < 2; dma_chan++) { spi_device_handle_t spi; spitest_param_set_t test_param = { .dup = FULL_DUPLEX, .mode = spi_mode, .master_iomux = false, .slave_iomux = false, .master_dma_chan = 0, .slave_dma_chan = (dma_chan ? SPI_DMA_CH_AUTO: 0), }; ESP_LOGI(SLAVE_TAG, "Test slave recv @ mode %d, dma enabled=%d", spi_mode, dma_chan); local_test_start(&spi, 1000*1000, &test_param, NULL); for (int round = 0; round < 20; round++) { // printf("trans %d\n", round); int master_trans_len = round + 1; const int slave_trans_len = 16; memset(master_sendbuf, 0xcc, buf_size); memset(slave_sendbuf, 0x55, buf_size); memset(master_recvbuf, 0xaa, buf_size); memset(slave_recvbuf, 0xbb, buf_size); for(int i = 0; i < master_trans_len; i++){ master_sendbuf[i] = rand_r(&master_seed_send); slave_sendbuf[i] = rand_r(&slave_seed_send); } spi_slave_transaction_t slave_trans = { .length = slave_trans_len * 8, .tx_buffer = slave_sendbuf, .rx_buffer = slave_recvbuf }; esp_err_t ret= spi_slave_queue_trans(TEST_SLAVE_HOST, &slave_trans, portMAX_DELAY); TEST_ESP_OK(ret); spi_transaction_t master_trans = { .length = 8 * master_trans_len, .tx_buffer = master_sendbuf, .rx_buffer = master_recvbuf }; ret = spi_device_transmit(spi, &master_trans); TEST_ESP_OK(ret); spi_slave_transaction_t *out_trans; ret = spi_slave_get_trans_result(TEST_SLAVE_HOST, &out_trans, portMAX_DELAY); TEST_ESP_OK(ret); TEST_ASSERT_EQUAL_HEX32(&slave_trans, out_trans); for(int i = 0; i < master_trans_len; i++){ master_cmpbuf[i] = rand_r(&master_seed_cmp); slave_cmpbuf[i] = rand_r(&slave_seed_cmp); } // esp_log_buffer_hex("master_send", master_sendbuf, buf_size); // esp_log_buffer_hex("slave_recv", slave_recvbuf, buf_size); // esp_log_buffer_hex("slave_send", slave_sendbuf, buf_size); // esp_log_buffer_hex("master_recv", master_recvbuf, buf_size); int master_expected_len = MIN(master_trans_len, slave_trans_len); TEST_ASSERT_EQUAL_HEX8_ARRAY(master_cmpbuf, master_recvbuf, master_expected_len); int slave_expected_len; if (dma_chan) { slave_expected_len = (master_expected_len & (~3)); } else { slave_expected_len = master_expected_len; } if (slave_expected_len) { TEST_ASSERT_EQUAL_HEX8_ARRAY(slave_cmpbuf, slave_recvbuf, slave_expected_len); } } local_test_end(spi); } } } #if !TEMPORARY_DISABLED_FOR_TARGETS(ESP32S2, ESP32S3, ESP32C3, ESP32C2) //These tests are ESP32 only due to lack of runners /******************************************************************************** * Test By Master & Slave (2 boards) * * Wiring: * | Master | Slave | * | ------ | ----- | * | 12 | 19 | * | 13 | 23 | * | 14 | 18 | * | 15 | 5 | * | GND | GND | * ********************************************************************************/ static void test_master_init(void** context); static void test_master_deinit(void* context); static void test_master_loop(const void *test_cfg, void* context); static const ptest_func_t master_test_func = { .pre_test = test_master_init, .post_test = test_master_deinit, .loop = test_master_loop, .def_param = spitest_def_param, }; static void test_slave_init(void** context); static void test_slave_deinit(void* context); static void test_slave_loop(const void *test_cfg, void* context); static const ptest_func_t slave_test_func = { .pre_test = test_slave_init, .post_test = test_slave_deinit, .loop = test_slave_loop, .def_param = spitest_def_param, }; #define TEST_SPI_MASTER_SLAVE(name, param_group, extra_tag) \ PARAM_GROUP_DECLARE(name, param_group) \ TEST_MASTER_SLAVE(name, param_group, "[spi_ms][test_env=Example_SPI_Multi_device][timeout=120]"extra_tag, &master_test_func, &slave_test_func) /************ Master Code ***********************************************/ static void test_master_init(void** arg) { TEST_ASSERT(*arg==NULL); *arg = malloc(sizeof(spitest_context_t)); spitest_context_t* context = *arg; TEST_ASSERT(context!=NULL); context->slave_context = (spi_slave_task_context_t){}; esp_err_t err = init_slave_context(&context->slave_context); TEST_ASSERT(err == ESP_OK); } static void test_master_deinit(void* arg) { spitest_context_t* context = (spitest_context_t*)arg; deinit_slave_context(&context->slave_context); } static void test_master_start(spi_device_handle_t *spi, int freq, const spitest_param_set_t* pset, spitest_context_t* context) { //master config spi_bus_config_t buspset=SPI_BUS_TEST_DEFAULT_CONFIG(); buspset.miso_io_num = MASTER_IOMUX_PIN_MISO; buspset.mosi_io_num = MASTER_IOMUX_PIN_MOSI; buspset.sclk_io_num = MASTER_IOMUX_PIN_SCLK; //this does nothing, but avoid the driver from using native pins if (!pset->master_iomux) buspset.quadhd_io_num = UNCONNECTED_PIN; spi_device_interface_config_t devpset=SPI_DEVICE_TEST_DEFAULT_CONFIG(); devpset.spics_io_num = MASTER_IOMUX_PIN_CS; devpset.mode = pset->mode; const int cs_pretrans_max = 15; if (pset->dup==HALF_DUPLEX_MISO) { devpset.cs_ena_pretrans = cs_pretrans_max; devpset.flags |= SPI_DEVICE_HALFDUPLEX; } else if (pset->dup == HALF_DUPLEX_MOSI) { devpset.cs_ena_pretrans = cs_pretrans_max; devpset.flags |= SPI_DEVICE_NO_DUMMY; } else { devpset.cs_ena_pretrans = cs_pretrans_max;//20; } const int cs_posttrans_max = 15; devpset.cs_ena_posttrans = cs_posttrans_max; devpset.input_delay_ns = pset->slave_tv_ns; devpset.clock_speed_hz = freq; if (pset->master_limit != 0 && freq > pset->master_limit) devpset.flags |= SPI_DEVICE_NO_DUMMY; int dma_chan = (pset->master_dma_chan == 0) ? 0 : SPI_DMA_CH_AUTO; TEST_ESP_OK(spi_bus_initialize(TEST_SPI_HOST, &buspset, dma_chan)); TEST_ESP_OK(spi_bus_add_device(TEST_SPI_HOST, &devpset, spi)); //prepare data for the slave for (int i = 0; i < pset->test_size; i ++) { /* in the single board, the data is send to the slave task, then to the driver. * However, in this test we don't know the data received by the slave. * So we send to the return queue of the slave directly. */ //xQueueSend( slave_context.data_to_send, &slave_txdata[i], portMAX_DELAY ); uint8_t slave_buffer[320+8]; int length; if (pset->dup!=HALF_DUPLEX_MISO) { length = context->master_trans[i].length; } else { length = context->master_trans[i].rxlength; } uint32_t* ptr = (uint32_t*)slave_buffer; ptr[0] = length; ptr[1] = (uint32_t)context->slave_trans[i].start; if (context->master_trans[i].tx_buffer!=NULL) { memcpy(ptr+2, context->master_trans[i].tx_buffer, (context->master_trans[i].length+7)/8); } //Send to return queue directly xRingbufferSend(context->slave_context.data_received, slave_buffer, 8+(length+7)/8, portMAX_DELAY); } memset(context->master_rxbuf, 0x66, sizeof(context->master_rxbuf)); } static void test_master_loop(const void *arg1, void* arg2) { const spitest_param_set_t *test_cfg = (spitest_param_set_t*)arg1; spitest_context_t* context = (spitest_context_t*)arg2; spi_device_handle_t spi; spitest_init_transactions(test_cfg, context); const int *timing_speed_array = test_cfg->freq_list; ESP_LOGI(MASTER_TAG, "****************** %s ***************", test_cfg->pset_name); for (int i=0; ; i++ ) { const int freq = timing_speed_array[i]; if (freq==0) break; if (test_cfg->freq_limit && freq > test_cfg->freq_limit) break; ESP_LOGI(MASTER_TAG, "==============> %dk", freq/1000); test_master_start(&spi, freq, test_cfg, context); unity_wait_for_signal("slave ready"); for( int j= 0; j < test_cfg->test_size; j ++ ) { //wait for both master and slave end ESP_LOGI( MASTER_TAG, "=> test%d", j ); //send master tx data vTaskDelay(20); spi_transaction_t *t = &context->master_trans[j]; TEST_ESP_OK (spi_device_transmit(spi, t) ); int len = get_trans_len(test_cfg->dup, t); spitest_master_print_data(t, len); size_t rcv_len; slave_rxdata_t *rcv_data = xRingbufferReceive( context->slave_context.data_received, &rcv_len, portMAX_DELAY ); spitest_slave_print_data(rcv_data, false); //check result bool check_master_data = (test_cfg->dup != HALF_DUPLEX_MOSI && (test_cfg->master_limit == 0 || freq <= test_cfg->master_limit)); const bool check_slave_data = false; const bool check_len = false; if (!check_master_data) { ESP_LOGI(MASTER_TAG, "skip data check due to duplex mode or freq."); } else { TEST_ESP_OK(spitest_check_data(len, t, rcv_data, check_master_data, check_len, check_slave_data)); } //clean vRingbufferReturnItem( context->slave_context.data_received, rcv_data ); } master_free_device_bus(spi); } } /************ Slave Code ***********************************************/ static void test_slave_init(void** arg) { TEST_ASSERT(*arg==NULL); *arg = malloc(sizeof(spitest_context_t)); spitest_context_t* context = (spitest_context_t*)*arg; TEST_ASSERT(context!=NULL); context->slave_context = (spi_slave_task_context_t){}; esp_err_t err = init_slave_context( &context->slave_context ); TEST_ASSERT( err == ESP_OK ); xTaskCreate( spitest_slave_task, "spi_slave", 4096, &context->slave_context, 0, &context->handle_slave); } static void test_slave_deinit(void* arg) { spitest_context_t* context = (spitest_context_t*)arg; vTaskDelete( context->handle_slave ); context->handle_slave = 0; deinit_slave_context(&context->slave_context); } static void timing_slave_start(int speed, const spitest_param_set_t* pset, spitest_context_t *context) { //slave config spi_bus_config_t slv_buscfg=SPI_BUS_TEST_DEFAULT_CONFIG(); slv_buscfg.miso_io_num = SLAVE_IOMUX_PIN_MISO; slv_buscfg.mosi_io_num = SLAVE_IOMUX_PIN_MOSI; slv_buscfg.sclk_io_num = SLAVE_IOMUX_PIN_SCLK; //this does nothing, but avoid the driver from using native pins if (!pset->slave_iomux) slv_buscfg.quadhd_io_num = UNCONNECTED_PIN; spi_slave_interface_config_t slvcfg=SPI_SLAVE_TEST_DEFAULT_CONFIG(); slvcfg.spics_io_num = SLAVE_IOMUX_PIN_CS; slvcfg.mode = pset->mode; //Enable pull-ups on SPI lines so we don't detect rogue pulses when no master is connected. slave_pull_up(&slv_buscfg, slvcfg.spics_io_num); int slave_dma_chan = (pset->slave_dma_chan == 0) ? 0 : SPI_DMA_CH_AUTO; TEST_ESP_OK(spi_slave_initialize(TEST_SLAVE_HOST, &slv_buscfg, &slvcfg, slave_dma_chan)); //prepare data for the master for (int i = 0; i < pset->test_size; i++) { if (pset->dup==FULL_DUPLEX) { memcpy(context->master_trans[i].rx_buffer, context->slave_trans[i].start, (context->master_trans[i].length+7)/8); } else if (pset->dup==HALF_DUPLEX_MISO) { memcpy(context->master_trans[i].rx_buffer, context->slave_trans[i].start, (context->master_trans[i].rxlength+7)/8); } } } static void test_slave_loop(const void *arg1, void* arg2) { const spitest_param_set_t *pset = (spitest_param_set_t*)arg1; spitest_context_t* context = (spitest_context_t*)arg2; ESP_LOGI(SLAVE_TAG, "****************** %s ***************", pset->pset_name); spitest_init_transactions(pset, context); const int *timing_speed_array = pset->freq_list; for (int i=0; ; i++ ) { const int freq = timing_speed_array[i]; if (freq==0) break; if (pset->freq_limit != 0 && freq > pset->freq_limit) break; ESP_LOGI(MASTER_TAG, "==============> %dk", timing_speed_array[i]/1000); //Initialize SPI slave interface timing_slave_start(freq, pset, context); //prepare slave tx data for (int i = 0; i < pset->test_size; i ++) { xQueueSend( context->slave_context.data_to_send, &context->slave_trans[i], portMAX_DELAY ); //memcpy(context->master_trans[i].rx_buffer, context->slave_trans[i].start, (context->master_trans[i].length+7)/8); } vTaskDelay(50/portTICK_PERIOD_MS); unity_send_signal("slave ready"); for( int i= 0; i < pset->test_size; i ++ ) { //wait for both master and slave end ESP_LOGI( MASTER_TAG, "===== test%d =====", i ); //send master tx data vTaskDelay(20); spi_transaction_t *t = &context->master_trans[i]; int len = get_trans_len(pset->dup, t); spitest_master_print_data(t, FULL_DUPLEX); size_t rcv_len; slave_rxdata_t *rcv_data = xRingbufferReceive( context->slave_context.data_received, &rcv_len, portMAX_DELAY ); spitest_slave_print_data(rcv_data, true); //check result const bool check_master_data = false; bool check_slave_data = (pset->dup!=HALF_DUPLEX_MISO); const bool check_len = true; TEST_ESP_OK(spitest_check_data(len, t, rcv_data, check_master_data, check_len, check_slave_data)); //clean vRingbufferReturnItem( context->slave_context.data_received, rcv_data ); } TEST_ASSERT(spi_slave_free(TEST_SLAVE_HOST) == ESP_OK); } } /************ Timing Test ***********************************************/ static spitest_param_set_t timing_conf[] = { { .pset_name = "FULL_DUP, BOTH IOMUX", .freq_limit = ESP_SPI_SLAVE_MAX_FREQ, .master_limit = SPI_MASTER_FREQ_16M, .dup = FULL_DUPLEX, .master_iomux= true, .slave_iomux = true, .slave_tv_ns = TV_WITH_ESP_SLAVE, }, { .pset_name = "FULL_DUP, MASTER IOMUX", .freq_limit = ESP_SPI_SLAVE_MAX_FREQ, .master_limit = SPI_MASTER_FREQ_11M, .dup = FULL_DUPLEX, .master_iomux = true, .slave_iomux = false, .slave_tv_ns = TV_WITH_ESP_SLAVE_GPIO, }, { .pset_name = "FULL_DUP, SLAVE IOMUX", .freq_limit = ESP_SPI_SLAVE_MAX_FREQ, .master_limit = SPI_MASTER_FREQ_11M, .dup = FULL_DUPLEX, .master_iomux = false, .slave_iomux = true, .slave_tv_ns = TV_WITH_ESP_SLAVE, }, { .pset_name = "FULL_DUP, BOTH GPIO", .freq_limit = ESP_SPI_SLAVE_MAX_FREQ, .master_limit = SPI_MASTER_FREQ_9M, .dup = FULL_DUPLEX, .master_iomux = false, .slave_iomux = false, .slave_tv_ns = TV_WITH_ESP_SLAVE_GPIO, }, { .pset_name = "MOSI_DUP, BOTH IOMUX", .freq_limit = ESP_SPI_SLAVE_MAX_FREQ, .dup = HALF_DUPLEX_MOSI, .master_iomux= true, .slave_iomux = true, .slave_tv_ns = TV_WITH_ESP_SLAVE, }, { .pset_name = "MOSI_DUP, MASTER IOMUX", .freq_limit = ESP_SPI_SLAVE_MAX_FREQ, .dup = HALF_DUPLEX_MOSI, .master_iomux= true, .slave_iomux = false, .slave_tv_ns = TV_WITH_ESP_SLAVE_GPIO, }, { .pset_name = "MOSI_DUP, SLAVE IOMUX", .freq_limit = ESP_SPI_SLAVE_MAX_FREQ, .dup = HALF_DUPLEX_MOSI, .master_iomux= false, .slave_iomux = true, .slave_tv_ns = TV_WITH_ESP_SLAVE, }, { .pset_name = "MOSI_DUP, BOTH GPIO", .freq_limit = ESP_SPI_SLAVE_MAX_FREQ, .dup = HALF_DUPLEX_MOSI, .master_iomux= false, .slave_iomux = false, .slave_tv_ns = TV_WITH_ESP_SLAVE_GPIO, }, { .pset_name = "MISO_DUP, BOTH IOMUX", .freq_limit = ESP_SPI_SLAVE_MAX_FREQ, .dup = HALF_DUPLEX_MISO, .master_iomux = true, .slave_iomux = true, .slave_tv_ns = TV_WITH_ESP_SLAVE, }, { .pset_name = "MISO_DUP, MASTER IOMUX", .freq_limit = ESP_SPI_SLAVE_MAX_FREQ, .dup = HALF_DUPLEX_MISO, .master_iomux = true, .slave_iomux = false, .slave_tv_ns = TV_WITH_ESP_SLAVE_GPIO, }, { .pset_name = "MISO_DUP, SLAVE IOMUX", .freq_limit = ESP_SPI_SLAVE_MAX_FREQ, .dup = HALF_DUPLEX_MISO, .master_iomux = false, .slave_iomux = true, .slave_tv_ns = TV_WITH_ESP_SLAVE, }, { .pset_name = "MISO_DUP, BOTH GPIO", .freq_limit = ESP_SPI_SLAVE_MAX_FREQ, .dup = HALF_DUPLEX_MISO, .master_iomux = false, .slave_iomux = false, .slave_tv_ns = TV_WITH_ESP_SLAVE_GPIO, }, }; TEST_SPI_MASTER_SLAVE(TIMING, timing_conf, "") /************ Mode Test ***********************************************/ #define FREQ_LIMIT_MODE SPI_MASTER_FREQ_16M //Set to this input delay so that the master will read with delay until 7M #define DELAY_HCLK_UNTIL_7M 12.5*3 static int test_freq_mode_ms[]={ 100*1000, 6*1000*1000, 7*1000*1000, SPI_MASTER_FREQ_8M, //maximum freq MISO stable before next latch edge SPI_MASTER_FREQ_9M, //maximum freq MISO stable before next latch edge SPI_MASTER_FREQ_10M, SPI_MASTER_FREQ_11M, SPI_MASTER_FREQ_13M, SPI_MASTER_FREQ_16M, SPI_MASTER_FREQ_20M, 0, }; static int test_freq_20M_only[]={ SPI_MASTER_FREQ_20M, 0, }; spitest_param_set_t mode_conf[] = { //non-DMA tests { .pset_name = "mode 0, no DMA", .freq_list = test_freq_mode_ms, .master_limit = FREQ_LIMIT_MODE, .dup = FULL_DUPLEX, .master_iomux= true, .slave_iomux = true, .slave_tv_ns = TV_WITH_ESP_SLAVE, .mode = 0, }, { .pset_name = "mode 1, no DMA", .freq_list = test_freq_mode_ms, .master_limit = FREQ_LIMIT_MODE, .dup = FULL_DUPLEX, .master_iomux= true, .slave_iomux = true, .slave_tv_ns = TV_WITH_ESP_SLAVE, .mode = 1, }, { .pset_name = "mode 2, no DMA", .freq_list = test_freq_mode_ms, .master_limit = FREQ_LIMIT_MODE, .dup = FULL_DUPLEX, .master_iomux= true, .slave_iomux = true, .slave_tv_ns = TV_WITH_ESP_SLAVE, .mode = 2, }, { .pset_name = "mode 3, no DMA", .freq_list = test_freq_mode_ms, .master_limit = FREQ_LIMIT_MODE, .dup = FULL_DUPLEX, .master_iomux= true, .slave_iomux = true, .slave_tv_ns = TV_WITH_ESP_SLAVE, .mode = 3, }, //the master can only read to 16MHz, use half-duplex mode to read at 20. { .pset_name = "mode 0, no DMA, 20M", .freq_list = test_freq_20M_only, .dup = HALF_DUPLEX_MISO, .master_iomux= true, .slave_iomux = true, .slave_tv_ns = TV_WITH_ESP_SLAVE, .mode = 0, }, { .pset_name = "mode 1, no DMA, 20M", .freq_list = test_freq_20M_only, .dup = HALF_DUPLEX_MISO, .master_iomux= true, .slave_iomux = true, .slave_tv_ns = TV_WITH_ESP_SLAVE, .mode = 1, }, { .pset_name = "mode 2, no DMA, 20M", .freq_list = test_freq_20M_only, .dup = HALF_DUPLEX_MISO, .master_iomux= true, .slave_iomux = true, .slave_tv_ns = TV_WITH_ESP_SLAVE, .mode = 2, }, { .pset_name = "mode 3, no DMA, 20M", .freq_list = test_freq_20M_only, .dup = HALF_DUPLEX_MISO, .master_iomux= true, .slave_iomux = true, .slave_tv_ns = TV_WITH_ESP_SLAVE, .mode = 3, }, //DMA tests { .pset_name = "mode 0, DMA", .freq_list = test_freq_mode_ms, .master_limit = FREQ_LIMIT_MODE, .dup = FULL_DUPLEX, .master_iomux= true, .slave_iomux = true, .slave_tv_ns = DELAY_HCLK_UNTIL_7M, .mode = 0, .master_dma_chan = SPI_DMA_CH_AUTO, .slave_dma_chan = SPI_DMA_CH_AUTO, .length_aligned = true, }, { .pset_name = "mode 1, DMA", .freq_list = test_freq_mode_ms, .master_limit = FREQ_LIMIT_MODE, .dup = FULL_DUPLEX, .master_iomux= true, .slave_iomux = true, .slave_tv_ns = TV_WITH_ESP_SLAVE, .mode = 1, .master_dma_chan = SPI_DMA_CH_AUTO, .slave_dma_chan = SPI_DMA_CH_AUTO, .length_aligned = true, }, { .pset_name = "mode 2, DMA", .freq_list = test_freq_mode_ms, .master_limit = FREQ_LIMIT_MODE, .dup = FULL_DUPLEX, .master_iomux= true, .slave_iomux = true, .slave_tv_ns = DELAY_HCLK_UNTIL_7M, .mode = 2, .master_dma_chan = SPI_DMA_CH_AUTO, .slave_dma_chan = SPI_DMA_CH_AUTO, .length_aligned = true, }, { .pset_name = "mode 3, DMA", .freq_list = test_freq_mode_ms, .master_limit = FREQ_LIMIT_MODE, .dup = FULL_DUPLEX, .master_iomux= true, .slave_iomux = true, .slave_tv_ns = TV_WITH_ESP_SLAVE, .mode = 3, .master_dma_chan = SPI_DMA_CH_AUTO, .slave_dma_chan = SPI_DMA_CH_AUTO, .length_aligned = true, }, //the master can only read to 16MHz, use half-duplex mode to read at 20. { .pset_name = "mode 0, DMA, 20M", .freq_list = test_freq_20M_only, .dup = HALF_DUPLEX_MISO, .master_iomux= true, .slave_iomux = true, .slave_tv_ns = TV_WITH_ESP_SLAVE, .mode = 0, .master_dma_chan = SPI_DMA_CH_AUTO, .slave_dma_chan = SPI_DMA_CH_AUTO, }, { .pset_name = "mode 1, DMA, 20M", .freq_list = test_freq_20M_only, .dup = HALF_DUPLEX_MISO, .master_iomux= true, .slave_iomux = true, .slave_tv_ns = TV_WITH_ESP_SLAVE, .mode = 1, .master_dma_chan = SPI_DMA_CH_AUTO, .slave_dma_chan = SPI_DMA_CH_AUTO, }, { .pset_name = "mode 2, DMA, 20M", .freq_list = test_freq_20M_only, .dup = HALF_DUPLEX_MISO, .master_iomux= true, .slave_iomux = true, .slave_tv_ns = TV_WITH_ESP_SLAVE, .mode = 2, .master_dma_chan = SPI_DMA_CH_AUTO, .slave_dma_chan = SPI_DMA_CH_AUTO, }, { .pset_name = "mode 3, DMA, 20M", .freq_list = test_freq_20M_only, .dup = HALF_DUPLEX_MISO, .master_iomux= true, .slave_iomux = true, .slave_tv_ns = TV_WITH_ESP_SLAVE, .mode = 3, .master_dma_chan = SPI_DMA_CH_AUTO, .slave_dma_chan = SPI_DMA_CH_AUTO, }, }; TEST_SPI_MASTER_SLAVE(MODE, mode_conf, "") #endif // !TEMPORARY_DISABLED_FOR_TARGETS(ESP32S2, ESP32S3, ESP32C3, ESP32C2) #endif // #if (TEST_SPI_PERIPH_NUM >= 2)