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Alex B.
2025-07-05 18:50:49 -04:00
parent 017402d472
commit aac6a1928f
11 changed files with 152 additions and 10 deletions
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30
ESP-IDF_Robot/tutorial/docs/source/receiver.rst
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@@ -8,17 +8,35 @@ Configuration Variables
uint8_t transmitter_mac[ESP_NOW_ETH_ALEN] = {0x9C, 0x9E, 0x6E, 0x14, 0xB5, 0x54};
typedef struct {
int x_axis; // Joystick x-position
int y_axis; // Joystick y-position
bool nav_bttn; // Joystick push button
bool led; // LED ON/OFF state
uint8_t motor1_rpm_pwm; // PWMs for 4 DC motors
uint8_t motor2_rpm_pwm;
uint8_t motor3_rpm_pwm;
uint8_t motor4_rpm_pwm;
} __attribute__((packed)) sensors_data_t;
Receiving & De-Ecapsulating Data
--------------------------------
.. code-block:: c
void onDataReceived (const uint8_t *mac_addr, const uint8_t *data, uint8_t data_len) {
... ... ...
... ... ...
ESP_LOGI(TAG, "Data received from: %02x:%02x:%02x:%02x:%02x:%02x, len=%d", mac_addr[0], mac_addr[1], mac_addr[2], mac_addr[3], mac_addr[4], mac_addr[5], data_len);
memcpy(&buf, data, sizeof(buf));
x_axis = buf.x_axis;
y_axis = buf.y_axis
y_axis = buf.y_axis;
... ... ...
... ... ...
}
Main Function
@@ -31,7 +49,14 @@ Main Function
#include "nvs_flash.h"
#include "esp_err.h"
... ... ...
... ... ...
void app_main(void) {
... ... ...
... ... ...
// Initialize NVS
esp_err_t ret = nvs_flash_init();
if (ret == ESP_ERR_NVS_NO_FREE_PAGES || ret == ESP_ERR_NVS_NEW_VERSION_FOUND) {
@@ -52,4 +77,7 @@ Main Function
ESP_ERROR_CHECK(esp_now_register_recv_cb((void*)onDataReceived));
system_led_init();
... ... ...
... ... ...
}