DevHeads IoT Integration Server•3mo ago

Issues Setting DA16200 SoC to DPM Low Power Mode in IoT Project

Hey guys, I am using the DA16200MOD-DEVKT-P development kit for a low-power IoT project. The objective is to implement a Wi-Fi connection that maintains ultra-low power consumption by utilizing the Dynamic Power Management (DPM) feature of the DA16200 SoC. I attempted to set the module into DPM low-power mode (LPM) to receive data from an Access Point (AP) only, without actively transmitting. Here's the code snippet used to enable DPM LPM mode

#include "da16200.h"

void setup() {
    da16200_init();
    da16200_connect_to_ap("SSID", "password");
    da16200_set_power_mode(DPM_LPM);

    if (da16200_get_power_mode() == DPM_LPM) {
        printf("DPM Low Power Mode enabled.\n");
    } else {
        printf("Failed to set DPM Low Power Mode.\n");
    }
}

void loop() {
}

#include "da16200.h"

void setup() {
    da16200_init();
    da16200_connect_to_ap("SSID", "password");
    da16200_set_power_mode(DPM_LPM);

    if (da16200_get_power_mode() == DPM_LPM) {
        printf("DPM Low Power Mode enabled.\n");
    } else {
        printf("Failed to set DPM Low Power Mode.\n");
    }
}

void loop() {
}

While testing, the module did not enter the DPM LPM mode as expected and continued to consume higher power than anticipated. The error message received was:

Error: Failed to set DPM Low Power Mode. Current mode: DPM Fully Functional Mode (FFM)

Error: Failed to set DPM Low Power Mode. Current mode: DPM Fully Functional Mode (FFM)

Steps I have taken to resolve the error I have verified the initial power mode configuration to ensure the device was not in an active communication state. Checked the Wi-Fi module documentation and ensured that the AP was not transmitting any active communication requests to the DA16200 module. Attempted to use the Wi-Fi IoT Power Profiler tool to confirm power consumption metrics. But despite my troubleshooting steps, the module continued to remain in DPM Fully Functional Mode (FFM). The error persisted with the prompt

Error: Unable to transition to DPM Low Power Mode. Ensure no active data sessions or incorrect AP configurations.

Error: Unable to transition to DPM Low Power Mode. Ensure no active data sessions or incorrect AP configurations.

What additional steps or configurations should I check to resolve this issue and successfully enable the DPM LPM mode on the DA16200MOD-DEVKT-P development kit?

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Issues Setting DA16200 SoC to DPM Low Power Mode in IoT Project