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test/uart: fix compilation warning

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This commit is contained in:
Ivan Grokhotkov 2018-07-17 14:10:33 +03:00
parent a981e73e22
commit f3260cc30f
1 changed files with 9 additions and 15 deletions
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24
components/driver/test/test_uart.c
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@ -1,4 +1,5 @@
#include <string.h> #include <string.h>
#include <sys/param.h>
#include "unity.h" #include "unity.h"
#include "test_utils.h" // unity_send_signal #include "test_utils.h" // unity_send_signal
#include "driver/uart.h" // for the uart driver access #include "driver/uart.h" // for the uart driver access
@ -159,26 +160,19 @@ static uint16_t get_buffer_crc16( uint8_t * frame_ptr, uint16_t length )
static uint16_t buffer_fill_random(uint8_t *buffer, size_t length) static uint16_t buffer_fill_random(uint8_t *buffer, size_t length)
{ {
TEST_ASSERT( buffer != NULL); TEST_ASSERT( buffer != NULL);
uint8_t *byte_buffer = (uint8_t *)buffer; // Packet is too short
uint32_t random;
// Pcket is too short
if (length < 4) { if (length < 4) {
return 0; return 0;
} }
for (int i = 0; i < length; i++) { for (int i = 0; i < length; i += 4) {
if (i == 0 || i % 4 == 0) { uint32_t random = esp_random();
// Generates random int32_t number memcpy(buffer + i, &random, MIN(length - i, 4));
random = esp_random();
}
// Place each byte of the uint32_t random number into buffer
byte_buffer[i] = random >> ((i % 4) * 8);
} }
// Get checksum of the buffer // Get checksum of the buffer
uint16_t crc = get_buffer_crc16((uint8_t*)byte_buffer, (length - 2)); uint16_t crc = get_buffer_crc16((uint8_t*)buffer, (length - 2));
// Apply checksum bytes into packet // Apply checksum bytes into packet
byte_buffer[length - 2] = (uint8_t)(crc & 0xFF); // Set Low byte CRC buffer[length - 2] = (uint8_t)(crc & 0xFF); // Set Low byte CRC
byte_buffer[length - 1] = (uint8_t)(crc >> 8); // Set High byte CRC buffer[length - 1] = (uint8_t)(crc >> 8); // Set High byte CRC
return crc; return crc;
} }
@ -241,7 +235,7 @@ static void rs485_slave()
if (len > 2) { if (len > 2) {
esp_err_t status = print_packet_data("Received ", slave_data, len); esp_err_t status = print_packet_data("Received ", slave_data, len);
// If recieved packet is correct then send it back // If received packet is correct then send it back
if (status == ESP_OK) { if (status == ESP_OK) {
uart_write_bytes(UART_NUM1, (char*)slave_data, len); uart_write_bytes(UART_NUM1, (char*)slave_data, len);
good_count++; good_count++;