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#include "epicardium.h"
#include "api/dispatcher.h"
#include "api/interrupt-sender.h"
#include "cdcacm.h"
#include "modules/filesystem.h"
#include "modules/log.h"
#include "display.h"
#include "leds.h"
#include "pb.h"
#include "pmic.h"
#include "portexpander.h"
#include "gpio.h"
#include "i2c.h"
#include "spi.h"
/*
* Early init is called at the very beginning and is meant for modules which
* absolutely need to start as soon as possible. hardware_early_init() blocks
* which means code in here should be fast.
*/
int hardware_early_init(void)
{
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/*
* I2C bus for onboard peripherals (ie. PMIC, BMA400, BHI160, BME680,
* ...)
*/
I2C_Shutdown(MXC_I2C1_BUS0);
I2C_Init(MXC_I2C1_BUS0, I2C_FAST_MODE, NULL);
#ifndef CARD10_DEBUG_CORE1
/*
* SAO I2C bus
*/
I2C_Shutdown(MXC_I2C0_BUS0);
I2C_Init(MXC_I2C0_BUS0, I2C_FAST_MODE, NULL);
#endif
/*
* GPIO peripheral.
*/
GPIO_Init();
/*
* PMIC (MAX77650)
*/
pmic_init();
pmic_set_led(0, 0);
pmic_set_led(1, 0);
pmic_set_led(2, 0);
/*
* Harmonic Board Portexpander
*/
portexpander_init();
/*
* Buttons
*/
PB_Init();
/*
* SPI for ECG
*/
const sys_cfg_spi_t spi17y_master_cfg = {
.map = MAP_A,
.ss0 = Enable,
.ss1 = Disable,
.ss2 = Disable,
};
if (SPI_Init(SPI0, 0, SPI_SPEED, spi17y_master_cfg) != 0) {
LOG_ERR("init", "Error configuring SPI");
while (1)
;
}
/*
* The bootloader has already initialized the display, so we only need
* to do the bare minimum here (mostly the gfx datastructures).
*/
display_init_slim();
/*
* RGB LEDs
*/
leds_init();
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#ifdef CARD10_DEBUG_CORE1
/*
* The SAO pins can be reconfigured for SWCLK2 and SWDIO2 which allows
* debugging core 1. This feature can optionally be enabled at
* compile-time.
*/
LOG_WARN("init", "Core 1 Debugger Mode");
static const gpio_cfg_t swclk = {
PORT_0,
PIN_7,
GPIO_FUNC_ALT3,
GPIO_PAD_NONE,
};
static const gpio_cfg_t swdio = {
PORT_0,
PIN_6,
GPIO_FUNC_ALT3,
GPIO_PAD_NONE,
};
GPIO_Config(&swclk);
GPIO_Config(&swdio);
#endif /* CARD10_DEBUG_CORE1 */
/*
* Enable SEV-ON-PEND which is needed for proper working of the FreeRTOS
* tickless idle sleep in Epicardium.
*/
SCB->SCR |= SCB_SCR_SEVONPEND_Msk;
/*
* USB-Serial
*/
if (cdcacm_init() < 0) {
LOG_ERR("init", "USB-Serial unavailable");
}
/*
* Flash & FatFS
*/
fatfs_init();
/*
* API Dispatcher & API Interrupts
*/
api_interrupt_init();
api_dispatcher_init();
/*
* Sensor streams
*/
stream_init();
return 0;
}
/*
* hardware_init() is called after the core has been bootstrapped and is meant
* for less critical initialization steps. Modules which initialize here should
* be robust against a l0dable using their API before initialization is done.
*
* Ideally, acquire a lock in hardware_early_init() and release it in
* hardware_init() once initialization is done.
*/
int hardware_init(void)
{
/* Light Sensor */
LOG_INFO("init", "Starting light sensor ...");
epic_light_sensor_run();
return 0;
}
/*
* hardware_reset() is called whenever a new l0dable is started. hardware_reset()
* should bring all peripherals back into a known initial state. This does not
* necessarily mean resetting the peripheral entirely but hardware_reset()
* should at least bring the API facing part of a peripheral back into the state
* a fresh booted l0dable expects.
*/
int hardware_reset(void)
{
card10_init();
return 0;
}