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Alex B.
2025-07-05 18:49:48 -04:00
parent 824c6827cd
commit 04031172a4
7 changed files with 71 additions and 17 deletions
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28
ESP-IDF_Robot/tutorial/docs/build/html/_sources/transmitter.rst.txt vendored
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@@ -8,17 +8,35 @@ Configuration Variables
uint8_t receiver_mac[ESP_NOW_ETH_ALEN] = {0xe4, 0xb0, 0x63, 0x17, 0x9e, 0x44};
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;
Sending & 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));
void sendData (void) {
x_axis = buf.x_axis;
y_axis = buf.y_axis
... ... ...
... ... ...
buffer.x_axis = x_axis;
buffer.y_axis = y_axis;
// Call ESP-NOW function to send data (MAC address of receiver, pointer to the memory holding data & data length)
uint8_t result = esp_now_send((uint8_t*)receiver_mac, (uint8_t *)&buffer, sizeof(buffer));
... ... ...
... ... ...
}
Main Function