kopia lustrzana https://github.com/espressif/esp-idf
351 wiersze
11 KiB
C
351 wiersze
11 KiB
C
#include "sdkconfig.h"
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#include "esp_log.h"
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#include "driver/spi_master.h"
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#include "driver/gpio.h"
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#include "esp_flash_spi_init.h"
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#include "test/test_common_spi.h"
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#include "unity.h"
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#if !TEMPORARY_DISABLED_FOR_TARGETS(ESP32S3)
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#if CONFIG_IDF_TARGET_ESP32
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// The VSPI pins on UT_T1_ESP_FLASH are connected to a external flash
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#define TEST_BUS_PIN_NUM_MISO VSPI_IOMUX_PIN_NUM_MISO
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#define TEST_BUS_PIN_NUM_MOSI VSPI_IOMUX_PIN_NUM_MOSI
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#define TEST_BUS_PIN_NUM_CLK VSPI_IOMUX_PIN_NUM_CLK
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#define TEST_BUS_PIN_NUM_CS VSPI_IOMUX_PIN_NUM_CS
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#define TEST_BUS_PIN_NUM_WP VSPI_IOMUX_PIN_NUM_WP
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#define TEST_BUS_PIN_NUM_HD VSPI_IOMUX_PIN_NUM_HD
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#elif CONFIG_IDF_TARGET_ESP32S2 || CONFIG_IDF_TARGET_ESP32S3
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#define TEST_BUS_PIN_NUM_MISO FSPI_IOMUX_PIN_NUM_MISO
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#define TEST_BUS_PIN_NUM_MOSI FSPI_IOMUX_PIN_NUM_MOSI
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#define TEST_BUS_PIN_NUM_CLK FSPI_IOMUX_PIN_NUM_CLK
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#define TEST_BUS_PIN_NUM_CS FSPI_IOMUX_PIN_NUM_CS
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#define TEST_BUS_PIN_NUM_WP FSPI_IOMUX_PIN_NUM_WP
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#define TEST_BUS_PIN_NUM_HD FSPI_IOMUX_PIN_NUM_HD
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#endif
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typedef struct {
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union {
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spi_device_handle_t handle;
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esp_flash_t* chip;
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};
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bool finished;
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} task_context_t;
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#ifndef CONFIG_ESP32_SPIRAM_SUPPORT
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const static char TAG[] = "test_spi";
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void spi_task1(void* arg)
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{
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//task1 send 50 polling transactions, acquire the bus and send another 50
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int count=0;
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spi_transaction_t t = {
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.flags = SPI_TRANS_USE_TXDATA,
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.tx_data = { 0x80, 0x12, 0x34, 0x56 },
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.length = 4*8,
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};
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spi_device_handle_t handle = ((task_context_t*)arg)->handle;
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for( int j = 0; j < 50; j ++ ) {
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TEST_ESP_OK(spi_device_polling_transmit( handle, &t ));
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ESP_LOGI(TAG, "task1:%d", count++ );
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}
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TEST_ESP_OK(spi_device_acquire_bus( handle, portMAX_DELAY ));
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for( int j = 0; j < 50; j ++ ) {
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TEST_ESP_OK(spi_device_polling_transmit( handle, &t ));
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ESP_LOGI(TAG, "task1:%d", count++ );
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}
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spi_device_release_bus(handle);
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ESP_LOGI(TAG, "task1 terminates");
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((task_context_t*)arg)->finished = true;
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vTaskDelete(NULL);
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}
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void spi_task2(void* arg)
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{
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int count=0;
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//task2 acquire the bus, send 50 polling transactions and then 50 non-polling
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spi_transaction_t t = {
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.flags = SPI_TRANS_USE_TXDATA,
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.tx_data = { 0x80, 0x12, 0x34, 0x56 },
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.length = 4*8,
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};
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spi_transaction_t *ret_t;
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spi_device_handle_t handle = ((task_context_t*)arg)->handle;
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TEST_ESP_OK(spi_device_acquire_bus( handle, portMAX_DELAY ));
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for (int i = 0; i < 50; i ++) {
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TEST_ESP_OK(spi_device_polling_transmit(handle, &t));
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ESP_LOGI( TAG, "task2: %d", count++ );
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}
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for( int j = 0; j < 50; j ++ ) {
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TEST_ESP_OK(spi_device_queue_trans(handle, &t, portMAX_DELAY));
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}
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for( int j = 0; j < 50; j ++ ) {
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TEST_ESP_OK(spi_device_get_trans_result(handle, &ret_t, portMAX_DELAY));
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assert(ret_t == &t);
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ESP_LOGI( TAG, "task2: %d", count++ );
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}
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spi_device_release_bus(handle);
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vTaskDelay(1);
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ESP_LOGI(TAG, "task2 terminates");
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((task_context_t*)arg)->finished = true;
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vTaskDelete(NULL);
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}
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void spi_task3(void* arg)
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{
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//task3 send 30 polling transactions, acquire the bus, send 20 polling transactions and then 50 non-polling
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int count=0;
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spi_transaction_t t = {
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.flags = SPI_TRANS_USE_TXDATA,
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.tx_data = { 0x80, 0x12, 0x34, 0x56 },
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.length = 4*8,
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};
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spi_transaction_t *ret_t;
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spi_device_handle_t handle = ((task_context_t*)arg)->handle;
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for (int i = 0; i < 30; i ++) {
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TEST_ESP_OK(spi_device_polling_transmit(handle, &t));
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ESP_LOGI( TAG, "task3: %d", count++ );
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}
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TEST_ESP_OK(spi_device_acquire_bus( handle, portMAX_DELAY ));
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for (int i = 0; i < 20; i ++) {
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TEST_ESP_OK(spi_device_polling_transmit(handle, &t));
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ESP_LOGI( TAG, "task3: %d", count++ );
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}
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for (int j = 0; j < 50; j++) {
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TEST_ESP_OK(spi_device_queue_trans(handle, &t, portMAX_DELAY));
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}
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for (int j = 0; j < 50; j++) {
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TEST_ESP_OK(spi_device_get_trans_result(handle, &ret_t, portMAX_DELAY));
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assert(ret_t == &t);
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ESP_LOGI(TAG, "task3: %d", count++);
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}
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spi_device_release_bus(handle);
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ESP_LOGI(TAG, "task3 terminates");
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((task_context_t*)arg)->finished = true;
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vTaskDelete(NULL);
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}
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static void write_large_buffer(esp_flash_t *chip, const esp_partition_t *part, const uint8_t *source, size_t length)
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{
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printf("Erasing chip %p, %d bytes\n", chip, length);
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TEST_ESP_OK(esp_flash_erase_region(chip, part->address, (length + SPI_FLASH_SEC_SIZE) & ~(SPI_FLASH_SEC_SIZE - 1)) );
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printf("Writing chip %p, %d bytes from source %p\n", chip, length, source);
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// note writing to unaligned address
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TEST_ESP_OK(esp_flash_write(chip, source, part->address + 1, length) );
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printf("Write done.\n");
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}
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static void read_and_check(esp_flash_t *chip, const esp_partition_t *part, const uint8_t *source, size_t length)
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{
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printf("Checking chip %p, %d bytes\n", chip, length);
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uint8_t *buf = malloc(length);
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TEST_ASSERT_NOT_NULL(buf);
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TEST_ESP_OK(esp_flash_read(chip, buf, part->address + 1, length) );
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TEST_ASSERT_EQUAL_HEX8_ARRAY(source, buf, length);
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free(buf);
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// check nothing was written at beginning or end
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uint8_t ends[8];
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TEST_ESP_OK(esp_flash_read(chip, ends, part->address, sizeof(ends)) );
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TEST_ASSERT_EQUAL_HEX8(0xFF, ends[0]);
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TEST_ASSERT_EQUAL_HEX8(source[0], ends[1]);
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TEST_ESP_OK(esp_flash_read(chip, ends, part->address + length, sizeof(ends)) );
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TEST_ASSERT_EQUAL_HEX8(source[length - 1], ends[0]);
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TEST_ASSERT_EQUAL_HEX8(0xFF, ends[1]);
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TEST_ASSERT_EQUAL_HEX8(0xFF, ends[2]);
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TEST_ASSERT_EQUAL_HEX8(0xFF, ends[3]);
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}
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void spi_task4(void* arg)
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{
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esp_flash_t *chip = ((task_context_t*)arg)->chip;
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// buffer in RAM
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const int test_len = 16400;
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uint8_t *source_buf = heap_caps_malloc(test_len, MALLOC_CAP_INTERNAL | MALLOC_CAP_8BIT);
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TEST_ASSERT_NOT_NULL(source_buf);
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srand(676);
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for (int i = 0; i < test_len; i++) {
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source_buf[i] = rand();
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}
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ESP_LOGI(TAG, "Testing chip %p...", chip);
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const esp_partition_t *part = get_test_data_partition();
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TEST_ASSERT(part->size > test_len + 2 + SPI_FLASH_SEC_SIZE);
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write_large_buffer(chip, part, source_buf, test_len);
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read_and_check(chip, part, source_buf, test_len);
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free(source_buf);
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ESP_LOGI(TAG, "task4 terminates");
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((task_context_t*)arg)->finished = true;
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vTaskDelete(NULL);
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}
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static void test_bus_lock(bool test_flash)
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{
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task_context_t context1={};
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task_context_t context2={};
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task_context_t context3={};
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task_context_t context4={};
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TaskHandle_t task1, task2, task3, task4;
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esp_err_t ret;
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spi_bus_config_t buscfg=SPI_BUS_TEST_DEFAULT_CONFIG();
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buscfg.miso_io_num = TEST_BUS_PIN_NUM_MISO;
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buscfg.mosi_io_num = TEST_BUS_PIN_NUM_MOSI;
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buscfg.sclk_io_num = TEST_BUS_PIN_NUM_CLK;
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spi_device_interface_config_t devcfg=SPI_DEVICE_TEST_DEFAULT_CONFIG();
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devcfg.queue_size = 100;
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//Initialize the SPI bus and 3 devices
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ret=spi_bus_initialize(TEST_SPI_HOST, &buscfg, 1);
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TEST_ESP_OK(ret);
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ret=spi_bus_add_device(TEST_SPI_HOST, &devcfg, &context1.handle);
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TEST_ESP_OK(ret);
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ret=spi_bus_add_device(TEST_SPI_HOST, &devcfg, &context2.handle);
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TEST_ESP_OK(ret);
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//only have 3 cs pins, leave one for the flash
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devcfg.spics_io_num = -1;
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ret=spi_bus_add_device(TEST_SPI_HOST, &devcfg, &context3.handle);
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TEST_ESP_OK(ret);
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esp_flash_spi_device_config_t flash_cfg = {
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.host_id = TEST_SPI_HOST,
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.cs_id = 2,
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.cs_io_num = TEST_BUS_PIN_NUM_CS,
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.io_mode = SPI_FLASH_DIO,
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.speed = ESP_FLASH_5MHZ,
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.input_delay_ns = 0,
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};
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//Clamp the WP and HD pins to VDD to make it work in DIO mode
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gpio_set_direction(TEST_BUS_PIN_NUM_HD, GPIO_MODE_OUTPUT);
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gpio_set_direction(TEST_BUS_PIN_NUM_WP, GPIO_MODE_OUTPUT);
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gpio_set_level(TEST_BUS_PIN_NUM_HD, 1);
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gpio_set_level(TEST_BUS_PIN_NUM_WP, 1);
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esp_flash_t *chip;
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(void) chip;
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if (test_flash) {
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ret = spi_bus_add_flash_device(&chip, &flash_cfg);
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TEST_ESP_OK(ret);
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ret = esp_flash_init(chip);
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TEST_ESP_OK(ret);
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context4.chip = chip;
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}
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ESP_LOGI(TAG, "Start testing...");
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xTaskCreate( spi_task1, "task1", 4096, &context1, 0, &task1 );
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xTaskCreate( spi_task2, "task2", 4096, &context2, 0, &task2 );
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xTaskCreate( spi_task3, "task3", 4096, &context3, 0, &task3 );
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if (test_flash) {
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xTaskCreate( spi_task4, "task4", 2048, &context4, 0, &task4 );
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} else {
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context4.finished = true;
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}
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for(;;){
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vTaskDelay(10);
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if (context1.finished && context2.finished && context3.finished && context4.finished) break;
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}
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TEST_ESP_OK(spi_bus_remove_device(context1.handle));
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TEST_ESP_OK(spi_bus_remove_device(context2.handle));
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TEST_ESP_OK(spi_bus_remove_device(context3.handle));
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if (test_flash) {
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TEST_ESP_OK(spi_bus_remove_flash_device(chip));
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}
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TEST_ESP_OK(spi_bus_free(TEST_SPI_HOST) );
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}
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#if !TEMPORARY_DISABLED_FOR_TARGETS(ESP32S2)
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//no runners
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TEST_CASE("spi bus lock, with flash","[spi][test_env=UT_T1_ESP_FLASH]")
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{
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test_bus_lock(true);
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}
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#endif //!TEMPORARY_DISABLED_FOR_TARGETS(ESP32S2)
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TEST_CASE("spi bus lock","[spi]")
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{
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test_bus_lock(false);
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}
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#if !TEMPORARY_DISABLED_FOR_TARGETS(ESP32S2)
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//SPI1 not supported by driver
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static IRAM_ATTR esp_err_t test_polling_send(spi_device_handle_t handle)
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{
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for (int i = 0; i < 10; i++) {
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spi_transaction_t trans = {
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.length = 16,
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.flags = SPI_TRANS_USE_TXDATA | SPI_TRANS_USE_RXDATA,
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};
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esp_err_t err = spi_device_polling_transmit(handle, &trans);
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if (err != ESP_OK) {
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return err;
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}
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}
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return ESP_OK;
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}
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static IRAM_ATTR NOINLINE_ATTR void test_acquire(spi_device_handle_t handle)
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{
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esp_err_t err = spi_device_acquire_bus(handle, portMAX_DELAY);
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if (err == ESP_OK) {
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err = test_polling_send(handle);
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spi_device_release_bus(handle);
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}
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TEST_ESP_OK(err);
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}
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TEST_CASE("spi master can be used on SPI1", "[spi]")
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{
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spi_device_interface_config_t dev_cfg = {
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.mode = 1,
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.clock_speed_hz = 1*1000*1000,
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.spics_io_num = -1,
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.queue_size = 1,
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};
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spi_device_handle_t handle;
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esp_err_t err;
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err = spi_bus_add_device(SPI1_HOST, &dev_cfg, &handle);
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TEST_ESP_OK(err);
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err = test_polling_send(handle);
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TEST_ESP_OK(err);
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test_acquire(handle);
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err = spi_bus_remove_device(handle);
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TEST_ESP_OK(err);
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}
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#endif //!TEMPORARY_DISABLED_FOR_TARGETS(ESP32S2)
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//TODO: add a case when a non-polling transaction happened in the bus-acquiring time and then release the bus then queue a new trans
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#endif
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#endif
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