Realized I'd neglected to include the number of parameters // HCI packet (HCI_LE_Transmitter_Test command) uint8_t hci_cmd[] = { 0x01, // HCI Command packet type 0x1E, 0x20, // HCI_LE_Transmitter_Test opcode 0x03, // Number of parameters 0x01, // RF channel (0-39) 0x5, // Length of test packet paylo...

I am attempting to use the esp_vhci_host_send_packet() function on an ESP32-PICO-D4 to send the HCI LE Transmitter Test command. The command response status is always 0x12 (Invalid HCI Command Parameters). Other HCI test commands (LE Receiver Test command) work as expected with a 0x00 status. I have...