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[lightning-ln882h] Fix analog read, add Wi-Fi calibration, add generic board (#319)

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* [ln882x] fix analog read

* [ln882h] add wifi temp calibration task

* [ln882h] add generic-ln882hki board

* [ln882h] fix wifi null pointer crash
This commit is contained in:
lamauny
2025-05-28 15:45:10 +02:00
committed by GitHub
parent 69e7e2debe
commit 3054db9d9b
7 changed files with 440 additions and 5 deletions
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2
cores/lightning-ln882h/arduino/libraries/WiFi/WiFiSTA.cpp
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@@ -175,7 +175,7 @@ bool WiFiClass::setMacAddress(const uint8_t *mac) {
}
const String WiFiClass::SSID() {
const char *ssid = NULL;
const char *ssid = "";
const uint8_t *bssid = NULL;
wifi_get_sta_conn_info(&ssid, &bssid);
return ssid;

20
cores/lightning-ln882h/arduino/src/main.cpp
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@@ -5,9 +5,13 @@
extern "C" {
#define MAIN_TASK_STACK_SIZE 8192
extern void cal_temp_app_task_entry();
#define MAIN_TASK_STACK_SIZE 8192
#define TEMP_APP_TASK_STACK_SIZE 1024
static OS_Thread_t g_mainTask_thread;
static OS_Thread_t g_temp_cal_thread;
bool startMainTask() {
OS_Status ret = OS_ThreadCreate(
@@ -21,6 +25,20 @@ bool startMainTask() {
if (ret != OS_OK)
return false;
ret = OS_ThreadCreate(
&g_temp_cal_thread,
"TempCal",
(OS_ThreadEntry_t)cal_temp_app_task_entry,
NULL,
OS_PRIORITY_BELOW_NORMAL,
TEMP_APP_TASK_STACK_SIZE
);
if (ret != OS_OK) {
return false;
}
OS_ThreadStartScheduler();
return true;
}

5
cores/lightning-ln882h/arduino/src/wiring_analog.c
View File

@@ -43,12 +43,11 @@ static adc_ch_t pinToAdcCh(uint32_t gpio) {
return ADC_CH0;
}
// WARN: adc values are quite bad (zero value of ~ 1000lsb and full scale value ~ 3450lsb)
uint16_t analogReadVoltage(pin_size_t pinNumber) {
uint16_t ret = 0;
pinCheckGetInfo(pinNumber, PIN_ADC, 0);
hal_gpio_pin_mode_set(GPIO_GET_BASE(pin->gpio), pin->gpio, GPIO_MODE_ANALOG);
hal_gpio_pin_mode_set(GPIO_GET_BASE(pin->gpio), GPIO_GET_PIN(pin->gpio), GPIO_MODE_ANALOG);
adc_ch_t ch = pinToAdcCh(pin->gpio);
adc_init_t_def adc_init;
@@ -72,7 +71,7 @@ uint16_t analogReadVoltage(pin_size_t pinNumber) {
hal_adc_clr_conv_status(ADC_BASE, ch);
return (uint16_t)(3300UL * ret / 4095);
return (uint16_t)(3700UL * ret / 4095);
}
uint16_t analogReadMaxVoltage(pin_size_t pinNumber) {

57
cores/lightning-ln882h/base/fixups/wifi_cal.c Normal file
View File

@@ -0,0 +1,57 @@
/* Copyright (c) Etienne Le Cousin 2025-05-04. */
#include <sdk_private.h>
void cal_adc_init(void)
{
adc_init_t_def adc_init;
memset(&adc_init, 0, sizeof(adc_init_t_def));
adc_init.adc_ch = ADC_CH0;
adc_init.adc_conv_mode = ADC_CONV_MODE_CONTINUE;
adc_init.adc_presc = 0xFF;
adc_init.adc_ov_smp_ratio = ADC_OVER_SAMPLING_RATIO_X8;
adc_init.adc_ov_smp_ratio_en = ADC_OVER_SAMPLING_EN_STATUS_BIT0;
hal_adc_init(ADC_BASE, &adc_init);
hal_adc_en(ADC_BASE, HAL_ENABLE);
hal_adc_start_conv(ADC_BASE);
}
uint16_t cal_adc_read(adc_ch_t ch)
{
uint16_t read_adc = 0;
while(hal_adc_get_conv_status(ADC_BASE, ch) == 0);
read_adc = hal_adc_get_data(ADC_BASE, ch);
hal_adc_clr_conv_status(ADC_BASE,ch);
return read_adc;
}
void cal_temp_app_task_entry()
{
int8_t cap_comp = 0;
uint16_t adc_val = 0;
if (NVDS_ERR_OK == ln_nvds_get_xtal_comp_val((uint8_t *)&cap_comp)) {
if ((uint8_t)cap_comp == 0xFF) {
cap_comp = 0;
}
}
cal_adc_init();
wifi_temp_cal_init(cal_adc_read(ADC_CH0), cap_comp);
while (1)
{
OS_MsDelay(1000);
adc_val = cal_adc_read(ADC_CH0);
wifi_do_temp_cal_period(adc_val);
}
}