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handle IDF breaking UART API

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This commit is contained in:
Sergio R. Caprile
2025-08-21 18:15:21 -03:00
parent 739d78a45a
commit 434f3f8415
1 changed files with 5 additions and 0 deletions
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tutorials/http/uart-bridge/esp32/main/uart.c
+5
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@@ -1,4 +1,5 @@
#include "main.h"
#include "esp_idf_version.h" // < 3.3 not supported, sadly
int uart_close(int no) {
return uart_driver_delete(no);
@@ -18,7 +19,11 @@ int uart_open(int no, int rx, int tx, int cts, int rts, int baud) {
int e1 = uart_param_config(no, &uart_config);
int e2 = uart_set_pin(no, tx, rx, rts, cts);
int e3 =
#if ESP_IDF_VERSION >= ESP_IDF_VERSION_VAL(5, 2, 5)
uart_driver_install(no, UART_HW_FIFO_LEN(no) * 2, UART_HW_FIFO_LEN(no) * 2, 0, NULL, 0);
#else
uart_driver_install(no, UART_FIFO_LEN * 2, UART_FIFO_LEN * 2, 0, NULL, 0);
#endif
MG_INFO(("%d: %d/%d/%d, %d %d %d", no, rx, tx, baud, e1, e2, e3));
if (e1 != ESP_OK || e2 != ESP_OK || e3 != ESP_OK) return -1;
return no;