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timely-reference/firmware/Application/main.cpp

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/*
* Copyright (C) 2019 Max Regan
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include "Bsp/LowPowerTaskScheduler.h"
#include "Bsp/Drivers/RtcDriver.h"
#include "Bsp/Drivers/DisplayDriver.h"
#include "Bsp/Drivers/SpiDriver.h"
#include "Bsp/Drivers/LptimPwm.h"
#include "Application/ButtonManager.h"
#include "Application/ScreenManager.h"
#include "Application/Screens/AnalogTimeScreen.h"
#include "Application/Screens/BigDigitalTimeScreen.h"
#include "Application/Screens/DebugScreen.h"
#include "Application/Screens/MenuScreen.h"
#include "Application/Screens/SetTimeScreen.h"
#include "Application/Screens/SetDateScreen.h"
#include "Bsp/macros.h"
// TODO: Don't include this here.
#include "stm32l0xx.h"
using BSP::Time;
static BSP::Schedule::LowPowerTaskScheduler<5> g_sched;
static BSP::SpiDriver g_spi(g_sched);
static BSP::DisplayDriver g_display(g_sched, g_spi);
static BSP::LptimPwm g_lptim_pwm(LPTIM1);
static BSP::ButtonManager g_btn_manager(g_sched, 0, 1, 2, Time::millis(1));
static ScreenManager g_screen_manager(g_sched, g_display, g_btn_manager);
static SetTimeScreen g_set_time_screen(g_display, g_screen_manager);
static SetTimeScreen g_set_date_screen(g_display, g_screen_manager);
static MenuScreen g_enable_debug(g_display,
g_screen_manager,
"SW Update",
std::initializer_list<MenuScreenItem>({MenuScreenItem("Enable", []() { BSP::LowPower::enable_debug(); }),
MenuScreenItem("Disable", []() { BSP::LowPower::disable_debug();
})}));
// static DebugScreen g_debug_screen(g_display, g_screen_manager);
static MenuScreen g_settings_menu_screen(g_display,
g_screen_manager,
"Settings",
std::initializer_list<MenuScreenItem>({MenuScreenItem("Set Time", g_set_time_screen),
MenuScreenItem("Set Date", g_set_date_screen),
MenuScreenItem("Set Face", g_set_date_screen),
MenuScreenItem("SW Update", g_enable_debug)}));
static MenuScreen g_main_menu_screen(g_display,
g_screen_manager,
"Main Menu",
std::initializer_list<MenuScreenItem>({MenuScreenItem("Apps", g_settings_menu_screen),
MenuScreenItem("Settings", g_settings_menu_screen)}));
static AnalogTimeScreen g_display_time_screen(g_display, g_screen_manager, g_main_menu_screen);
extern "C" void __cxa_pure_virtual() { while(1) {} }
void SystemInit()
{
/**
* Use the MSI for the system clock, and disable all other clocks.
*/
/*!< Set MSION bit. Set by hardware to force the MSI oscillator ON
* when exiting from Stop or Standby mode, or in case of a failure
* of the HSE oscillator used directly or indirectly as system
* clock. This bit cannot be cleared if the MSI is used as system
* clock. */
SET(RCC->CR,
RCC_CR_MSION);
SET_TO(RCC->ICSCR,
RCC_ICSCR_MSIRANGE,
RCC_ICSCR_MSIRANGE_6);
/*!< Set internal representation of clock frequency to 4MHz */
// system_clk_freq = 4u << 22;
/*!< Reset
* SW[1:0] (use MSI oscillator as system clock),
* HPRE[3:0] (do not divide AHB clock in prescaler) ,
* PPRE1[2:0] (do not divide APB low-speed clock)
* PPRE2[2:0] (do not divide APB high-speed clock),
* MCOSEL[2:0] (disable MCO clock),
* MCOPRE[2:0] (disable MCO prescaler) */
CLR(RCC->CFGR,
RCC_CFGR_SW | ~RCC_CFGR_HPRE | RCC_CFGR_PPRE1 | RCC_CFGR_PPRE2 |
RCC_CFGR_MCOSEL | RCC_CFGR_MCOPRE);
/*!< Reset
* HSION (disable HSI),
* HSIDIVEN (disable 18MHz HSI division)
* HSEON (disable HSE clock)
* CSSHSEON (disable HSE clock monitoring)
* PLLON (disable PLL)
*/
CLR(RCC->CR,
RCC_CR_HSION | RCC_CR_HSIDIVEN | RCC_CR_HSEON |
RCC_CR_CSSHSEON | RCC_CR_PLLON);
/*!< Reset HSEBYP bit (disable HSE bypass) */
CLR(RCC->CR,
RCC_CR_HSEBYP)
;
/* (1) Test if PLL is used as System clock */
/* (2) Select HSI as system clock */
/* (3) Wait for HSI switched */
/* (4) Disable the PLL */
/* (5) Wait until PLLRDY is cleared */
/* (6) Set latency to 1 wait state */
/* (7) Set the PLL multiplier to 24 and divider by 3 */
/* (8) Enable the PLL */
/* (9) Wait until PLLRDY is set */
/* (10) Select PLL as system clock */
/* (11) Wait until the PLL is switched on */
// SET(RCC->CR, RCC_CR_HSION);
// while((RCC->CR & RCC_CR_HSIRDY) != 0) {}
// if ((RCC->CFGR & RCC_CFGR_SWS) == RCC_CFGR_SWS_PLL) /* (1) */
// {
// RCC->CFGR = (RCC->CFGR & (uint32_t) (~RCC_CFGR_SW)) | RCC_CFGR_SW_HSI; /* (2) */
// while ((RCC->CFGR & RCC_CFGR_SWS) != RCC_CFGR_SWS_HSI) /* (3) */
// { /* For robust implementation, add here time-out management */ }
// }
// RCC->CR &= (uint32_t)(~RCC_CR_PLLON);/* (4) */
// while((RCC->CR & RCC_CR_PLLRDY) != 0) /* (5) */
// { /* For robust implementation, add here time-out management */ }
// FLASH->ACR |= FLASH_ACR_LATENCY; /* (6) */
// RCC->CFGR = RCC->CFGR & ((~(RCC_CFGR_PLLMUL| RCC_CFGR_PLLDIV )) | (RCC_CFGR_PLLMUL24 | RCC_CFGR_PLLDIV2)); /* (7) */
// RCC->CR |= RCC_CR_PLLON; /* (8) */
// while ((RCC->CR & RCC_CR_PLLRDY) == 0) /* (9) */
// { /* For robust implementation, add here time-out management */ }
// RCC->CFGR |= (uint32_t) (RCC_CFGR_SW_PLL); /* (10) */
// while ((RCC->CFGR & RCC_CFGR_SWS) != RCC_CFGR_SWS_PLL) /* (11) */
// { /* For robust implementation, add here time-out management */ }
/*!< Reset
* PLLSRC (HSI16 is the PLL source),
* PLLMUL[3:0] (3x PLL multiplication)
* Don't touch PLLDIV[1:0], since 0 is undefined
*/
CLR(RCC->CFGR,
RCC_CFGR_PLLSRC | RCC_CFGR_PLLMUL | RCC_CFGR_PLLDIV);
/*!< Disable all interrupts */
RCC->CIER = 0x00000000;
/* Vector Table Relocation in Internal FLASH */
SCB->VTOR = FLASH_BASE;
}
extern "C" {
typedef void (*func_ptr)(void);
extern func_ptr __init_array_start[], __init_array_end[];
static void _init(void)
{
for (func_ptr* func = __init_array_start; func != __init_array_end; func++) {
(*func)();
}
}
}
[[noreturn]] void main() {
_init();
// Set up the system clock
BSP::RtcDriver::init();
BSP::SystemTimer::set_timer(BSP::RtcDriver::get_system_timer());
BSP::LowPower::init();
// Initialize the tasks
g_lptim_pwm.init();
g_spi.init();
g_btn_manager.init();
g_display.init();
g_screen_manager.init();
g_screen_manager.set_root_screen(g_display_time_screen);
// Enqueue each of the tasks
BSP::Schedule::NextTime asap = BSP::Schedule::NextTime::asap();
g_sched.add_task(g_spi, asap);
g_sched.add_task(g_btn_manager, asap);
g_sched.add_task(g_display, asap);
g_sched.add_task(g_screen_manager, asap);
// And we're off! This will never return
g_sched.run();
}
extern "C" void NMI_Handler() {while (1);}
extern "C" void HardFault_Handler() {while (1);}
extern "C" void SVC_Handler() {while (1);}
extern "C" void PendSV_Handler() {while (1);}
extern "C" void SysTick_Handler() {while (1);}
extern "C" void WWDG_IRQHandler() {while (1);}
extern "C" void PVD_IRQHandler() {while (1);}
extern "C" void WDT_IRQHandler() {while (1);}
extern "C" void FLASH_IRQHandler() {while (1);}
extern "C" void RCC_CRS_IRQHandler() {while (1);}
extern "C" void DMA1_CHANNEL1_IRQHandler() {while (1);}
extern "C" void DMA1_CHANNEL3_2_IRQHandler() {while (1);}
extern "C" void DMA_CHANNEL_7_4_IRQHandler() {while (1);}
extern "C" void ADC_COMP_IRQHandler() {while (1);}
extern "C" void LPTIM1_IRQHandler() {while (1);}
extern "C" void USART4_USART5_IRQHandler() {while (1);}
extern "C" void TIM2_IRQHandler() {while (1);}
extern "C" void TIM3_IRQHandler() {while (1);}
extern "C" void TIM6_IRQHandler() {while (1);}
extern "C" void TIM7_IRQHandler() {while (1);}
extern "C" void TIM21_IRQHandler() {while (1);}
extern "C" void I2C3_IRQHandler() {while (1);}
extern "C" void TIM22_IRQHandler() {while (1);}
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