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driver: uart rs485 fix test sync issues and fail threshold

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This commit is contained in:
Alex Lisitsyn 2022-08-16 13:10:13 +08:00
parent 24e63fd2c0
commit c78f126eed
1 changed files with 15 additions and 9 deletions
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24
components/driver/test/test_rs485.c
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@ -23,14 +23,20 @@
#define UART1_RTS_PIN (18)
// Number of packets to be send during test
#define PACKETS_NUMBER (40)
#define PACKETS_NUMBER (30)
// Wait timeout for uart driver
#define PACKET_READ_TICS (1000 / portTICK_PERIOD_MS)
#define PACKET_READ_TICS (2000 / portTICK_PERIOD_MS)
// This is for workarond to avoid master-slave syncronization issues
// when slave gets the "Master_started" signal with delay ~2-3 seconds
#define TEST_ALLOW_PROC_FAIL (10)
#define TEST_CHECK_PROC_FAIL(fails, threshold) TEST_ASSERT((fails * 100 / PACKETS_NUMBER) <= threshold)
#if !TEMPORARY_DISABLED_FOR_TARGETS(ESP32S2, ESP32S3, ESP32C3, ESP32C2, ESP32H2)
//No runners
static const char *TAG = "rs485_test";
// The table for fast CRC16 calculation
static const uint8_t crc_hi[] = {
0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41,
@ -160,7 +166,7 @@ static void rs485_init(void)
.rx_flow_ctrl_thresh = 120,
.source_clk = UART_SCLK_DEFAULT,
};
printf("RS485 port initialization...\r\n");
ESP_LOGI(TAG, "RS485 port initialization...");
TEST_ESP_OK(uart_wait_tx_idle_polling(UART_NUM1));
// Configure UART1 parameters
TEST_ESP_OK(uart_param_config(UART_NUM1, &uart_config));
@ -199,9 +205,9 @@ static void rs485_slave(void)
rs485_init();
uint8_t* slave_data = (uint8_t*) malloc(BUF_SIZE);
uint16_t err_count = 0, good_count = 0;
printf("Start recieve loop.\r\n");
unity_send_signal("Slave_ready");
unity_wait_for_signal("Master_started");
ESP_LOGI(TAG, "Start recieve loop.");
for(int pack_count = 0; pack_count < PACKETS_NUMBER; pack_count++) {
//Read slave_data from UART
int len = uart_read_bytes(UART_NUM1, slave_data, BUF_SIZE, PACKET_READ_TICS);
@ -223,12 +229,12 @@ static void rs485_slave(void)
err_count++;
}
}
printf("Test completed. Received packets = %d, errors = %d\r\n", good_count, err_count);
ESP_LOGI(TAG, "Test completed. Received packets = %d, errors = %d", good_count, err_count);
// Wait for packet to be sent
uart_wait_tx_done(UART_NUM1, PACKET_READ_TICS);
free(slave_data);
uart_driver_delete(UART_NUM1);
TEST_ASSERT(err_count < 2);
TEST_CHECK_PROC_FAIL(err_count, TEST_ALLOW_PROC_FAIL);
}
// Master test of multi device test case.
@ -243,7 +249,7 @@ static void rs485_master(void)
// The master test case should be synchronized with slave
unity_wait_for_signal("Slave_ready");
unity_send_signal("Master_started");
printf("Start recieve loop.\r\n");
ESP_LOGI(TAG, "Start recieve loop.");
for(int i = 0; i < PACKETS_NUMBER; i++) {
// Form random buffer with CRC16
buffer_fill_random(master_buffer, BUF_SIZE);
@ -276,8 +282,8 @@ static void rs485_master(void)
free(master_buffer);
free(slave_buffer);
uart_driver_delete(UART_NUM1);
TEST_ASSERT(err_count <= 1);
printf("Test completed. Received packets = %d, errors = %d\r\n", (uint16_t)good_count, (uint16_t)err_count);
ESP_LOGI(TAG, "Test completed. Received packets = %d, errors = %d", good_count, err_count);
TEST_CHECK_PROC_FAIL(err_count, TEST_ALLOW_PROC_FAIL);
}
/*