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unity: Better readline for interactive test menu

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This commit replaces the use of esp_rom_uart_rx_string() with
a new simple readline function that supports echoing back
the input, along with backspaces.
This commit is contained in:
MacDue 2022-02-02 13:39:19 +00:00
parent b092fa0730
commit f19f43dce1
1 changed files with 33 additions and 1 deletions
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34
components/unity/unity_port_esp32.c
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@ -4,6 +4,7 @@
* SPDX-License-Identifier: Apache-2.0
*/
#include <string.h>
#include <stdbool.h>
#include "unity.h"
#include "sdkconfig.h"
#include "hal/cpu_hal.h"
@ -28,6 +29,37 @@ void unity_flush(void)
esp_rom_uart_tx_wait_idle(CONFIG_ESP_CONSOLE_UART_NUM);
}
#define iscontrol(c) ((c) <= '\x1f' || (c) == '\x7f')
static void esp_unity_readline(char* dst, size_t len)
{
/* Read line from console with support for echoing and backspaces */
size_t write_index = 0;
for (;;) {
char c = 0;
bool got_char = esp_rom_uart_rx_one_char((uint8_t*)&c) == 0;
if (!got_char) {
continue;
}
if (c == '\r' || c == '\n') {
unity_putc('\n');
dst[write_index] = '\0';
return;
} else if (c == '\b') {
if (write_index > 0) {
write_index--;
// Delete previously entered character
esp_rom_uart_tx_one_char('\b');
esp_rom_uart_tx_one_char(' ');
esp_rom_uart_tx_one_char('\b');
}
} else if (write_index < len - 1 && !iscontrol(c)) {
unity_putc(c);
dst[write_index++] = c;
}
}
}
/* To start a unit test from a GDB session without console input,
* - set a break at unity_gets ('hb unity_gets')
* - resume the program ('c')
@ -56,7 +88,7 @@ void unity_gets(char *dst, size_t len)
while (esp_rom_uart_rx_one_char(&ignore) == 0) {
}
/* Read input */
esp_rom_uart_rx_string((uint8_t *) dst, len);
esp_unity_readline(dst, len);
}
void unity_exec_time_start(void)