1 /*
2 * SPDX-FileCopyrightText: 2021 Espressif Systems (Shanghai) CO LTD
3 *
4 * SPDX-License-Identifier: Apache-2.0
5 */
6 #include "esp_heap_caps.h"
7 #include "unity.h"
8 #include "esp_log.h"
9 #include "driver/spi_common_internal.h"
10 #include "sdkconfig.h"
11
12 #if CONFIG_IDF_TARGET_ESP32
13
14 static const char TAG[] = "test_psram";
15
16 #ifdef CONFIG_SPIRAM
test_psram_content(void)17 static void test_psram_content(void)
18 {
19 const int test_size = 2048;
20 uint32_t *test_area = heap_caps_malloc(test_size, MALLOC_CAP_SPIRAM);
21
22 size_t p;
23 size_t s=test_size;
24 int errct=0;
25 int initial_err=-1;
26 for (p=0; p<(s/sizeof(int)); p+=4) {
27 test_area[p]=p^0xAAAAAAAA;
28 }
29 for (p=0; p<(s/sizeof(int)); p+=4) {
30 if (test_area[p]!=(p^0xAAAAAAAA)) {
31 errct++;
32 if (errct==1) initial_err=p*4;
33 }
34 }
35 if (errct) {
36 ESP_LOGE(TAG, "SPI SRAM memory test fail. %d/%d writes failed, first @ %p\n", errct, s/32, initial_err+test_area);
37 TEST_FAIL();
38 } else {
39 ESP_LOGI(TAG, "SPI SRAM memory test OK");
40 }
41
42 free(test_area);
43 }
44 #endif
45
46 bool psram_is_32mbit_ver0(void);
47
test_spi_bus_occupy(spi_host_device_t expected_occupied_host)48 static void test_spi_bus_occupy(spi_host_device_t expected_occupied_host)
49 {
50 bool claim_hspi = spicommon_periph_claim(HSPI_HOST, "ut-hspi");
51 if (claim_hspi) ESP_LOGI(TAG, "HSPI claimed.");
52
53 bool claim_vspi = spicommon_periph_claim(VSPI_HOST, "ut-vspi");
54 if (claim_vspi) ESP_LOGI(TAG, "VSPI claimed.");
55
56 if (expected_occupied_host == HSPI_HOST) {
57 TEST_ASSERT_FALSE(claim_hspi);
58 TEST_ASSERT(claim_vspi);
59 } else if (expected_occupied_host == VSPI_HOST) {
60 TEST_ASSERT_FALSE(claim_vspi);
61 TEST_ASSERT(claim_hspi);
62 } else {
63 TEST_ASSERT(claim_hspi);
64 TEST_ASSERT(claim_vspi);
65 }
66
67 #ifdef CONFIG_SPIRAM
68 test_psram_content();
69 #endif
70 }
71
72 #if CONFIG_SPIRAM_OCCUPY_HSPI_HOST || CONFIG_SPIRAM_OCCUPY_VSPI_HOST
73 TEST_CASE("some spi bus occpied by psram", "[psram_4m][test_env=UT_T1_PSRAMV0]")
74 {
75 // NOTE: this unit test rely on the config that PSRAM of 8MB is used only when CONFIG_SPIRAM_BNKSWITCH_ENABLE is set
76 //currently all 8M psram don't need more SPI peripherals
77 #if !CONFIG_SPIRAM || !CONFIG_SPIRAM_SPEED_80M || CONFIG_SPIRAM_BANKSWITCH_ENABLE
78 #error unexpected test config, only psram 32MBit ver 0 at 80MHz will trigger the workaround
79 #endif
80
81 spi_host_device_t host;
82 if (!psram_is_32mbit_ver0()) {
83 TEST_FAIL_MESSAGE("unexpected psram version");
84 }
85
86 #if CONFIG_SPIRAM_OCCUPY_HSPI_HOST
87 host = HSPI_HOST;
88 #elif CONFIG_SPIRAM_OCCUPY_VSPI_HOST
89 host = VSPI_HOST;
90 #endif
91 test_spi_bus_occupy(host);
92 }
93 #else
94 TEST_CASE("can use spi when not being used by psram", "[psram_4m]")
95 {
96 #if CONFIG_SPIRAM && CONFIG_SPIRAM_SPEED_80M
97 #error unexpected test config, some runners using the UT_T1_PSRAMV0 but still perform this test.\
98 they will not pass this test at 80MHz.
99 #endif
100 test_spi_bus_occupy(-1);
101 }
102 #endif
103
104 #endif // CONFIG_IDF_TARGET_ESP32
105
