TARGET:=therm

TOOLCHAIN_PATH:=/usr/bin

TOOLCHAIN_PREFIX:=arm-none-eabi

OPTLVL:=3 # Optimization level, can be [0, 1, 2, 3, s].

#PROJECT_NAME:=$(notdir $(lastword $(CURDIR)))

TOP:=$(shell readlink -f "../..")

DISCOVERY:=Utilities/STM32L100C-Discovery

STMLIB:=libraries

OLEDDRV:=oleddrv

USBDRV:=USB

STD_PERIPH:=$(STMLIB)/STM32L1xx_StdPeriph_Driver

STARTUP:=$(STMLIB)/CMSIS/Device/ST/STM32L1xx/Source/Templates/gcc_ride7

LINKER_SCRIPT:=$(CURDIR)/stm32-flash.ld

#LINKER_SCRIPT:=$(CURDIR)/../stm32_flash.ld

INCLUDE=-I$(CURDIR)

INCLUDE+=-I$(STMLIB)/CMSIS/Include

INCLUDE+=-I$(STMLIB)/CMSIS/Device/ST/STM32L1xx/Include

INCLUDE+=-I$(STD_PERIPH)/inc

INCLUDE+=-I$(DISCOVERY)

INCLUDE+=-I$(STMLIB)/$(OLEDDRV)

INCLUDE+=-I$(STMLIB)/$(USBDRV)

# vpath is used so object files are written to the current directory instead

# of the same directory as their source files

vpath %.c $(DISCOVERY) $(STD_PERIPH)/src \

          $(STMLIB)/USB \

          $(STMLIB)/STM32_USB-FS_Device_Library/Class/hid/src \

          $(STMLIB)/STM32_USB-FS_Device_Library/Core/src

vpath %.s $(STARTUP)

ASRC=startup_stm32l1xx_mdp.s

# Project Source Files

SRC=main.c

SRC+=stm32l1xx_it.c

SRC+=system_stm32l1xx.c

SRC+=stm32l100c_discovery.c

SRC+=ssd1306.c

# Discovery Source Files

#SRC+=stm32f4_discovery_lis302dl.c

#SRC+=stm32f4_discovery.c

#SRC+=stm32f4_discovery_audio_codec.c

# Standard Peripheral Source Files

SRC+=stm32l1xx_syscfg.c

SRC+=misc.c

SRC+=stm32l1xx_adc.c

SRC+=stm32l1xx_dac.c

SRC+=stm32l1xx_dma.c

SRC+=stm32l1xx_exti.c

SRC+=stm32l1xx_flash.c

SRC+=stm32l1xx_gpio.c

SRC+=stm32l1xx_i2c.c

SRC+=stm32l1xx_rcc.c

SRC+=stm32l1xx_spi.c

SRC+=stm32l1xx_tim.c

# USB Source Files

SRC+=usb_core.c

SRC+=usb_init.c

SRC+=usb_int.c

SRC+=usb_mem.c

SRC+=usb_regs.c

SRC+=usb_sil.c

SRC+=hw_config.c

SRC+=usb_desc.c

SRC+=usb_endp.c

SRC+=usb_istr.c

SRC+=usb_prop.c

SRC+=usb_pwr.c

CDEFS=-DUSE_STDPERIPH_DRIVER

CDEFS+=-DSTM32L1XX

CDEFS+=-DMANGUSTA_DISCOVERY

#CDEFS+=-DUSE_USB_OTG_FS

CDEFS+=-DHSE_VALUE=8000000

MCUFLAGS=-mcpu=cortex-m3 -mthumb

#MCUFLAGS=-mcpu=cortex-m4 -mthumb -mlittle-endian -mfpu=fpa -mfloat-abi=hard -mthumb-interwork

#MCUFLAGS=-mcpu=cortex-m4 -mfpu=vfpv4-sp-d16 -mfloat-abi=hard

COMMONFLAGS=-O$(OPTLVL) -g -Wall

CFLAGS=$(COMMONFLAGS) $(MCUFLAGS) $(INCLUDE) $(CDEFS)

LDLIBS=

LDFLAGS=$(COMMONFLAGS) -fno-exceptions -ffunction-sections -fdata-sections \

#include "main.h"

#include "stm32l100c_discovery.h"

#include "ssd1306.h"

// USB includes

#include "hw_config.h"

#include "usb_lib.h"

#include "usb_desc.h"

#include "usb_pwr.h"

#define SSR_PERIOD 200

#define LED_POWER GPIOB,GPIO_Pin_9

#define LED_STAT  GPIOA,GPIO_Pin_15

#define MAX_CS GPIOB,GPIO_Pin_12

// TODO: Grab buttonpresses with interrupts

// TODO: Eliminate screen buffer since we aren't using it...

#define SW_BTN  GPIOB, GPIO_Pin_3

#define SW_UP   GPIOB, GPIO_Pin_4

#define SW_DOWN GPIOB, GPIO_Pin_6

#define SW_LEFT GPIOB, GPIO_Pin_5

#define SW_RIGHT GPIOB, GPIO_Pin_7

// USB Supporting Vars

extern __IO uint8_t Receive_Buffer[64];

extern __IO  uint32_t Receive_length ;

extern __IO  uint32_t length ;

uint8_t Send_Buffer[64];

uint32_t packet_sent=1;

uint32_t packet_receive=1;

// State definition

enum state {

    STATE_IDLE = 0,

    STATE_SETP,

    STATE_SETI,

    STATE_SETD,

    STATE_PREHEAT_BREW,

    STATE_MAINTAIN_BREW,

    STATE_PREHEAT_STEAM,

    STATE_MAINTAIN_STEAM,

};

static __IO uint32_t TimingDelay;

// Move to header file

void init_gpio();

void init_spi();

void process();

void machine();

int main(void)

{

    // Init clocks

    SystemInit();

    // Init GPIO

    init_gpio();

    // Init USB

    //Set_USBClock();

    //USB_Interrupts_Config();

    //USB_Init();

    // Turn on power LED

    GPIO_SetBits(LED_POWER);

    // TODO: Awesome pwm of power LED (TIM4_CH4 or TIM11_CH1)

    // TODO: PWM of stat led (TIM3_CH2)

    // Configure 1ms SysTick (change if more temporal resolution needed) 

    RCC_ClocksTypeDef RCC_Clocks;

    RCC_GetClocksFreq(&RCC_Clocks);

    SysTick_Config(RCC_Clocks.HCLK_Frequency / 1000);

    // Init SPI busses

    init_spi();

    // Init OLED over SPI

    ssd1306_Init();

    ssd1306_block_write();

    // Startup screen 

    ssd1306_DrawString("therm v0.1", 1, 40);

    ssd1306_DrawString("protofusion.org/therm", 3, 0);

    Delay(1500);

    ssd1306_block_write();

    // Main loop