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Possibly fix #2704 "Heltec Wireless Tracker screen doesn't display anything" (#2749)

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* fix #2704


Co-authored-by: Ben Meadors <benmmeadors@gmail.com>
Co-authored-by: Jonathan Bennett <jbennett@incomsystems.biz>
This commit is contained in:
Thomas Göttgens
2023-10-05 05:24:25 +02:00
committed by GitHub
parent fbf74fc0b2
commit fc06754e1f
6 changed files with 155 additions and 9 deletions
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73
src/main.cpp
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@@ -146,6 +146,25 @@ const char *getDeviceName()
return name;
}
#ifdef VEXT_ENABLE_V03
#include <soc/rtc.h>
static uint32_t calibrate_one(rtc_cal_sel_t cal_clk, const char *name)
{
const uint32_t cal_count = 1000;
uint32_t cali_val;
for (int i = 0; i < 5; ++i) {
cali_val = rtc_clk_cal(cal_clk, cal_count);
}
return cali_val;
}
int heltec_version = 3;
#define CALIBRATE_ONE(cali_clk) calibrate_one(cali_clk, #cali_clk)
#endif
static int32_t ledBlinker()
{
static bool ledOn;
@@ -216,11 +235,63 @@ void setup()
digitalWrite(PIN_EINK_PWR_ON, HIGH);
#endif
#ifdef VEXT_ENABLE
#ifdef ST7735_BL_V03 // Heltec Wireless Tracker PCB Change Detect/Hack
rtc_clk_32k_enable(true);
CALIBRATE_ONE(RTC_CAL_RTC_MUX);
if (CALIBRATE_ONE(RTC_CAL_32K_XTAL) != 0) {
rtc_clk_slow_freq_set(RTC_SLOW_FREQ_32K_XTAL);
CALIBRATE_ONE(RTC_CAL_RTC_MUX);
CALIBRATE_ONE(RTC_CAL_32K_XTAL);
}
if (rtc_clk_slow_freq_get() != RTC_SLOW_FREQ_32K_XTAL) {
heltec_version = 3;
} else {
heltec_version = 5;
}
#endif
#if defined(VEXT_ENABLE_V03)
if (heltec_version == 3) {
pinMode(VEXT_ENABLE_V03, OUTPUT);
digitalWrite(VEXT_ENABLE_V03, 0); // turn on the display power
LOG_DEBUG("HELTEC Detect Tracker V1.0\n");
} else {
pinMode(VEXT_ENABLE_V05, OUTPUT);
digitalWrite(VEXT_ENABLE_V05, 1); // turn on the display power
LOG_DEBUG("HELTEC Detect Tracker V1.1\n");
}
#elif defined(VEXT_ENABLE)
pinMode(VEXT_ENABLE, OUTPUT);
digitalWrite(VEXT_ENABLE, 0); // turn on the display power
#endif
#if defined(VGNSS_CTRL_V03)
if (heltec_version == 3) {
pinMode(VGNSS_CTRL_V03, OUTPUT);
digitalWrite(VGNSS_CTRL_V03, LOW);
} else {
pinMode(VGNSS_CTRL_V05, OUTPUT);
digitalWrite(VGNSS_CTRL_V05, LOW);
}
#endif
#if defined(VTFT_CTRL_V03)
if (heltec_version == 3) {
pinMode(VTFT_CTRL_V03, OUTPUT);
digitalWrite(VTFT_CTRL_V03, LOW);
} else {
pinMode(VTFT_CTRL_V05, OUTPUT);
digitalWrite(VTFT_CTRL_V05, LOW);
}
#endif
#if defined(VGNSS_CTRL)
pinMode(VGNSS_CTRL, OUTPUT);
digitalWrite(VGNSS_CTRL, LOW);
#endif
#if defined(VTFT_CTRL)
pinMode(VTFT_CTRL, OUTPUT);
digitalWrite(VTFT_CTRL, LOW);