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Merge branch 'bugfix/gpio_ut_usj' into 'master'

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gpio: add a test case to test the ability of disabling USB D+ pin pull-up

See merge request espressif/esp-idf!19838
This commit is contained in:
morris 2022-08-30 14:09:45 +08:00
commit 1ca3fad458
1 changed files with 25 additions and 4 deletions
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29
components/driver/test_apps/gpio/main/test_gpio.c
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@ -622,8 +622,10 @@ TEST_CASE("GPIO_mode_test", "[gpio]")
// Outputs high level: w/ pull up, then must read high level; w/ pull down, then must read low level
gpio_set_level(TEST_GPIO_EXT_OUT_IO, 1);
gpio_set_pull_mode(TEST_GPIO_EXT_OUT_IO, GPIO_PULLUP_ONLY);
vTaskDelay(100 / portTICK_PERIOD_MS);
TEST_ASSERT_EQUAL_INT_MESSAGE(1, gpio_get_level(TEST_GPIO_EXT_IN_IO), "direction GPIO_MODE_OUTPUT_OD with GPIO_PULLUP_ONLY set error, it outputs low level");
gpio_set_pull_mode(TEST_GPIO_EXT_OUT_IO, GPIO_PULLDOWN_ONLY);
vTaskDelay(100 / portTICK_PERIOD_MS);
TEST_ASSERT_EQUAL_INT_MESSAGE(0, gpio_get_level(TEST_GPIO_EXT_IN_IO), "direction GPIO_MODE_OUTPUT_OD with GPIO_PULLDOWN_ONLY set error, it outputs high level");
// Outputs low level: must read low level
gpio_set_level(TEST_GPIO_EXT_OUT_IO, 0);
@ -638,10 +640,12 @@ TEST_CASE("GPIO_mode_test", "[gpio]")
#endif
// Outputs high level: w/ pull up, then must read high level; w/ pull down, then must read low level
gpio_set_level(TEST_GPIO_EXT_OUT_IO, 1);
gpio_set_pull_mode(TEST_GPIO_EXT_OUT_IO, GPIO_PULLUP_ONLY);
TEST_ASSERT_EQUAL_INT_MESSAGE(1, gpio_get_level(TEST_GPIO_EXT_IN_IO), "direction GPIO_MODE_INPUT_OUTPUT_OD with GPIO_PULLUP_ONLY set error, it outputs low level");
gpio_set_pull_mode(TEST_GPIO_EXT_OUT_IO, GPIO_PULLDOWN_ONLY);
vTaskDelay(100 / portTICK_PERIOD_MS);
TEST_ASSERT_EQUAL_INT_MESSAGE(0, gpio_get_level(TEST_GPIO_EXT_IN_IO), "direction GPIO_MODE_INPUT_OUTPUT_OD with GPIO_PULLDOWN_ONLY set error, it outputs high level");
gpio_set_pull_mode(TEST_GPIO_EXT_OUT_IO, GPIO_PULLUP_ONLY);
vTaskDelay(100 / portTICK_PERIOD_MS);
TEST_ASSERT_EQUAL_INT_MESSAGE(1, gpio_get_level(TEST_GPIO_EXT_IN_IO), "direction GPIO_MODE_INPUT_OUTPUT_OD with GPIO_PULLUP_ONLY set error, it outputs low level");
// Outputs low level: must read low level
gpio_set_level(TEST_GPIO_EXT_OUT_IO, 0);
gpio_set_pull_mode(TEST_GPIO_EXT_OUT_IO, GPIO_FLOATING);
@ -790,7 +794,7 @@ TEST_CASE_CI_IGNORE("GPIO_drive_capability_test", "[gpio]")
#if SOC_USB_SERIAL_JTAG_SUPPORTED
TEST_CASE("GPIO_input_and_output_of_USB_pins_test", "[gpio]")
{
const int test_pins[] = {USB_DM_GPIO_NUM, USB_DM_GPIO_NUM};
const int test_pins[] = {USB_DP_GPIO_NUM, USB_DM_GPIO_NUM};
gpio_config_t io_conf = {
.intr_type = GPIO_INTR_DISABLE,
.mode = GPIO_MODE_INPUT_OUTPUT,
@ -804,8 +808,8 @@ TEST_CASE("GPIO_input_and_output_of_USB_pins_test", "[gpio]")
int pin = test_pins[i];
// test pin
gpio_set_level(pin, 0);
// tested voltage is around 0v
esp_rom_delay_us(10);
// tested voltage is around 0v
TEST_ASSERT_EQUAL_INT_MESSAGE(0, gpio_get_level(pin), "get level error! the level should be low!");
gpio_set_level(pin, 1);
esp_rom_delay_us(10);
@ -821,6 +825,23 @@ TEST_CASE("GPIO_input_and_output_of_USB_pins_test", "[gpio]")
TEST_ASSERT_EQUAL_INT_MESSAGE(1, gpio_get_level(pin), "get level error! the level should be high!");
}
}
TEST_CASE("GPIO_USB_DP_pin_pullup_disable_test", "[gpio]")
{
// This test ensures the USB D+ pin pull-up can be disabled
// The pull-up value of the D+ pin is controlled by the pin's pull-up value together with the USB pull-up value.
// If any one of the pull-up value is 1, the pin’s pull-up resistor will be enabled.
// USB D+ pull-up value is default to 1 (USB_SERIAL_JTAG_DP_PULLUP)
// Therefore, when D+ pin's pull-up value is set to 0, it will also clear USB D+ pull-up value to allow
// its full functionality as a normal gpio pin
gpio_config_t input_io = test_init_io(USB_DP_GPIO_NUM);
input_io.mode = GPIO_MODE_INPUT;
input_io.pull_up_en = 0;
input_io.pull_down_en = 1;
gpio_config(&input_io);
TEST_ASSERT_EQUAL_INT(0, gpio_get_level(USB_DP_GPIO_NUM));
}
#endif //SOC_USB_SERIAL_JTAG_SUPPORTED
// Ignored in CI because it needs manually connect TEST_GPIO_INPUT_LEVEL_LOW_PIN to 3.3v to wake up from light sleep