2024-02-22 18:26:11 +01:00

106 lines
2.5 KiB
C++

#include "bootstrap.h"
#include "M5Unified.hpp"
#include "config.h"
#include "log.h"
m5::IMU_Class& Imu = M5.Imu;
m5::Power_Class& Power = M5.Power;
m5::RTC8563_Class& Rtc = M5.Rtc;
m5::Touch_Class& Touch = M5.Touch;
m5::Speaker_Class& Speaker = M5.Speaker;
m5::Button_Class& BtnPWR = M5.BtnPWR;
#ifdef __cplusplus
extern "C" {
#endif
#define TAG "core2_bootstrap"
static bool init_i2c() {
const i2c_config_t i2c_conf = {
.mode = I2C_MODE_MASTER,
.sda_io_num = CORE2_I2C_PIN_SDA,
.scl_io_num = CORE2_I2C_PIN_SCL,
.sda_pullup_en = GPIO_PULLUP_DISABLE,
.scl_pullup_en = GPIO_PULLUP_DISABLE,
.master = {
.clk_speed = 100000
},
.clk_flags = 0
};
if (i2c_param_config(CORE2_TOUCH_I2C_PORT, &i2c_conf) != ESP_OK) {
TT_LOG_E(TAG, "i2c config failed");
return false;
}
if (i2c_driver_install(CORE2_TOUCH_I2C_PORT, i2c_conf.mode, 0, 0, 0) != ESP_OK) {
TT_LOG_E(TAG, "i2c driver install failed");
return false;
}
return true;
}
static bool init_spi2() {
const spi_bus_config_t bus_config = {
.mosi_io_num = CORE2_SPI2_PIN_MOSI,
.miso_io_num = CORE2_SPI2_PIN_MISO,
.sclk_io_num = CORE2_SPI2_PIN_SCLK,
.data2_io_num = GPIO_NUM_NC,
.data3_io_num = GPIO_NUM_NC,
.data4_io_num = GPIO_NUM_NC,
.data5_io_num = GPIO_NUM_NC,
.data6_io_num = GPIO_NUM_NC,
.data7_io_num = GPIO_NUM_NC,
.max_transfer_sz = CORE2_SPI2_TRANSACTION_LIMIT,
.flags = 0,
.isr_cpu_id = INTR_CPU_ID_AUTO,
.intr_flags = 0
};
if (spi_bus_initialize(SPI2_HOST, &bus_config, SPI_DMA_CH_AUTO) != ESP_OK) {
TT_LOG_E(TAG, "SPI bus init failed");
return false;
}
return true;
}
static void log_power_status() {
TT_LOG_I(
TAG,
"Battery: level = %ld, voltage = %.1f, charging = %s",
M5.Power.getBatteryLevel(),
(float)M5.Power.getBatteryVoltage() / 1000.0f,
M5.Power.isCharging() ? "true" : "false"
);
}
bool core2_bootstrap() {
TT_LOG_I(TAG, "Initializing M5Unified");
M5.begin();
// For models with EPD : refresh control
M5.Display.setEpdMode(epd_mode_t::epd_fastest); // fastest but very-low quality.
log_power_status();
TT_LOG_I(TAG, "Initializing I2C");
if (!init_i2c()) {
return false;
}
TT_LOG_I(TAG, "Initializing SPI");
if (!init_spi2()) {
return false;
}
return true;
}
#ifdef __cplusplus
}
#endif