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test(i2c_master): Add test for master multi read job

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C.S.M
2025-07-03 12:19:50 +08:00
parent 0e44dcf2ff
commit 7d8d1fb98f
1 changed files with 98 additions and 0 deletions
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98
components/esp_driver_i2c/test_apps/i2c_test_apps/main/test_i2c_multi.c
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@@ -387,6 +387,104 @@ static void slave_write_buffer_test_single_byte(void)
TEST_CASE_MULTIPLE_DEVICES("I2C master read slave test single byte", "[i2c][test_env=generic_multi_device][timeout=150]", master_read_slave_test_single_byte, slave_write_buffer_test_single_byte);
static void master_read_slave_test_with_multi_read_job(void)
{
uint8_t data_rd[DATA_LENGTH] = {0};
i2c_master_bus_config_t i2c_mst_config = {
.clk_source = I2C_CLK_SRC_DEFAULT,
.i2c_port = TEST_I2C_PORT,
.scl_io_num = I2C_MASTER_SCL_IO,
.sda_io_num = I2C_MASTER_SDA_IO,
.flags.enable_internal_pullup = true,
};
i2c_master_bus_handle_t bus_handle;
TEST_ESP_OK(i2c_new_master_bus(&i2c_mst_config, &bus_handle));
i2c_device_config_t dev_cfg = {
.dev_addr_length = I2C_ADDR_BIT_LEN_7,
.device_address = I2C_DEVICE_ADDRESS_NOT_USED,
.scl_speed_hz = 100000,
.scl_wait_us = 20000,
};
i2c_master_dev_handle_t dev_handle;
TEST_ESP_OK(i2c_master_bus_add_device(bus_handle, &dev_cfg, &dev_handle));
unity_wait_for_signal("i2c slave init finish");
uint8_t read_address = (ESP_SLAVE_ADDR << 1 | 1);
i2c_operation_job_t i2c_ops[] = {
{ .command = I2C_MASTER_CMD_START },
{ .command = I2C_MASTER_CMD_WRITE, .write = { .ack_check = true, .data = (uint8_t *) &read_address, .total_bytes = 1 } },
{ .command = I2C_MASTER_CMD_READ, .read = { .ack_value = I2C_ACK_VAL, .data = data_rd, .total_bytes = 1 }},
{ .command = I2C_MASTER_CMD_READ, .read = { .ack_value = I2C_ACK_VAL, .data = data_rd + 1, .total_bytes = 1 }},
{ .command = I2C_MASTER_CMD_READ, .read = { .ack_value = I2C_NACK_VAL, .data = data_rd + 2, .total_bytes = 1 }},
{ .command = I2C_MASTER_CMD_STOP },
};
i2c_master_execute_defined_operations(dev_handle, i2c_ops, sizeof(i2c_ops) / sizeof(i2c_operation_job_t), 1000);
vTaskDelay(100 / portTICK_PERIOD_MS);
TEST_ASSERT(data_rd[0] == 6);
TEST_ASSERT(data_rd[1] == 8);
TEST_ASSERT(data_rd[2] == 10);
unity_send_signal("ready to delete master read test");
TEST_ESP_OK(i2c_master_bus_rm_device(dev_handle));
TEST_ESP_OK(i2c_del_master_bus(bus_handle));
}
static void slave_write_buffer_test_single_byte_for_multi_read_job(void)
{
i2c_slave_dev_handle_t handle;
uint8_t data_wr[DATA_LENGTH];
event_queue = xQueueCreate(2, sizeof(i2c_slave_event_t));
assert(event_queue);
i2c_slave_config_t i2c_slv_config = {
.i2c_port = TEST_I2C_PORT,
.clk_source = I2C_CLK_SRC_DEFAULT,
.scl_io_num = I2C_SLAVE_SCL_IO,
.sda_io_num = I2C_SLAVE_SDA_IO,
.slave_addr = ESP_SLAVE_ADDR,
.send_buf_depth = DATA_LENGTH,
.receive_buf_depth = DATA_LENGTH,
.flags.enable_internal_pullup = true,
};
TEST_ESP_OK(i2c_new_slave_device(&i2c_slv_config, &handle));
i2c_slave_event_callbacks_t cbs = {
.on_receive = i2c_slave_receive_cb,
.on_request = i2c_slave_request_cb,
};
TEST_ESP_OK(i2c_slave_register_event_callbacks(handle, &cbs, NULL));
unity_send_signal("i2c slave init finish");
data_wr[0] = 6;
data_wr[1] = 8;
data_wr[2] = 10;
i2c_slave_event_t evt;
uint32_t write_len;
while (true) {
if (xQueueReceive(event_queue, &evt, portMAX_DELAY) == pdTRUE) {
if (evt == I2C_SLAVE_EVT_TX) {
TEST_ESP_OK(i2c_slave_write(handle, data_wr, 3, &write_len, 1000));
break;
}
}
}
unity_wait_for_signal("ready to delete master read test");
vQueueDelete(event_queue);
TEST_ESP_OK(i2c_del_slave_device(handle));
}
TEST_CASE_MULTIPLE_DEVICES("I2C master read slave test single byte 2", "[i2c][test_env=generic_multi_device][timeout=150]", master_read_slave_test_with_multi_read_job, slave_write_buffer_test_single_byte_for_multi_read_job);
static void i2c_slave_repeat_read(void)
{
unity_wait_for_signal("i2c master init first");