306 lines
11 KiB
C
306 lines
11 KiB
C
/********************* (C) COPYRIGHT 2015 e-Design Co.,Ltd. **********************
|
||
File Name : Bios.c
|
||
Version : S100 APP Ver 2.11
|
||
Description:
|
||
Author : Celery
|
||
Data: 2015/07/07
|
||
History:
|
||
2015/07/07 ͳһ<CDB3><D2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||
*******************************************************************************/
|
||
|
||
#include "APP_Version.h"
|
||
#include "Bios.h"
|
||
#include "I2C.h"
|
||
|
||
/******************************************************************************/
|
||
#define ADC1_DR_Address ((u32)0x4001244C)
|
||
volatile uint32_t gHeat_cnt = 0;
|
||
|
||
/*******************************************************************************
|
||
Function:RCC_Config
|
||
Description:Setup the system clocks to use internal HSE to run the system at 48Mhz
|
||
*******************************************************************************/
|
||
void RCC_Config(void) {
|
||
RCC_DeInit();
|
||
FLASH_PrefetchBufferCmd(FLASH_PrefetchBuffer_Enable);
|
||
FLASH_SetLatency(FLASH_Latency_1); // Flash 1 wait state for 48MHz
|
||
RCC_CFGR_CFG()
|
||
;
|
||
RCC_PLL_EN()
|
||
;
|
||
RCC_HSICmd(ENABLE);
|
||
RCC_PLLCmd(ENABLE);
|
||
while (RCC_GetFlagStatus(RCC_FLAG_PLLRDY) == RESET) {
|
||
}
|
||
RCC_SYSCLKConfig(RCC_SYSCLKSource_PLLCLK);
|
||
while (RCC_GetSYSCLKSource() != 0x08) {
|
||
}
|
||
|
||
RCC_AHBPeriphClockCmd(
|
||
RCC_AHBPeriph_SRAM | RCC_AHBPeriph_DMA1 | RCC_AHBPeriph_DMA2 |
|
||
RCC_AHBPeriph_FLITF, ENABLE);
|
||
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA | RCC_APB2Periph_GPIOB |
|
||
RCC_APB2Periph_ADC1 | RCC_APB2Periph_ADC2, ENABLE);
|
||
RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2 | RCC_APB1Periph_TIM3, ENABLE);
|
||
|
||
RCC_USBCLKConfig(RCC_USBCLKSource_PLLCLK_Div1); // USBCLK = 48MHz
|
||
|
||
RCC_ClocksTypeDef RCC_Clocks;
|
||
RCC_GetClocksFreq(&RCC_Clocks);
|
||
SysTick_Config(RCC_Clocks.HCLK_Frequency / 1000); //Enable the systick timer
|
||
}
|
||
/*******************************************************************************
|
||
Function: NVIC_Config
|
||
Description: Configures the NVIC table in the hardware
|
||
Input: (tab_offset) the table offset for the NVIC
|
||
*******************************************************************************/
|
||
void NVIC_Config(u16 tab_offset) {
|
||
NVIC_InitTypeDef NVIC_InitStructure;
|
||
|
||
NVIC_SetVectorTable(NVIC_VectTab_FLASH, tab_offset);
|
||
NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2);
|
||
NVIC_InitStructure.NVIC_IRQChannel = USB_LP_CAN1_RX0_IRQn;
|
||
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 2;
|
||
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
|
||
NVIC_InitStructure.NVIC_IRQChannelCmd = DISABLE;
|
||
NVIC_Init(&NVIC_InitStructure);
|
||
|
||
}
|
||
/*******************************************************************************
|
||
Function:GPIO_Config
|
||
Description: Configures all the GPIO into required states
|
||
*******************************************************************************/
|
||
void GPIO_Config(void) {
|
||
GPIO_InitTypeDef GPIO_InitStructure;
|
||
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB | RCC_APB2Periph_AFIO, ENABLE); // GPIOB & AFIO
|
||
|
||
GPIO_PinRemapConfig(GPIO_Remap_SWJ_NoJTRST, ENABLE);
|
||
GPIO_PinRemapConfig(GPIO_Remap_SWJ_JTAGDisable, ENABLE);
|
||
|
||
GPIOA_OUTPUT()
|
||
;
|
||
GPIOA_L_DEF()
|
||
;
|
||
GPIOA_H_DEF()
|
||
;
|
||
|
||
GPIOB_OUTPUT()
|
||
;
|
||
GPIOB_L_DEF()
|
||
;
|
||
GPIOB_H_DEF()
|
||
;
|
||
|
||
//------ PA7 TMP36 Analog input ----------------------------------------//
|
||
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_7;
|
||
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN;
|
||
GPIO_Init(GPIOA, &GPIO_InitStructure);
|
||
|
||
//------ OLED_RST_PIN(PB9) ------------------------------------------------------------//
|
||
GPIO_InitStructure.GPIO_Pin = OLED_RST_PIN;
|
||
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
|
||
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
|
||
GPIO_Init(GPIOA, &GPIO_InitStructure);
|
||
|
||
//------- Heat_Pin - Iron enable output PB4--------------------------------------------------------//
|
||
|
||
GPIO_InitStructure.GPIO_Pin = HEAT_PIN;
|
||
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
|
||
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
|
||
GPIO_Init(GPIOB, &GPIO_InitStructure);
|
||
|
||
//------ PB0 Iron temp input---------------------------------------//
|
||
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0;
|
||
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN;
|
||
GPIO_Init(GPIOB, &GPIO_InitStructure);
|
||
|
||
//---------- INPUT Voltage Detection Pin VB PB1(Ai9) ---------------------------------------//
|
||
GPIO_InitStructure.GPIO_Pin = VB_PIN;
|
||
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN;
|
||
GPIO_Init(GPIOB, &GPIO_InitStructure);
|
||
|
||
//-------- K1 = PA9, K2 = PA6 ----------------------------------------------------------//
|
||
GPIO_InitStructure.GPIO_Pin = KEY1_PIN | KEY2_PIN;
|
||
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
|
||
GPIO_Init(GPIOA, &GPIO_InitStructure);
|
||
|
||
//--------INT 1 == PB5 ----------------------------------------------------------//
|
||
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_5;
|
||
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
|
||
GPIO_Init(GPIOB, &GPIO_InitStructure);
|
||
|
||
}
|
||
/*******************************************************************************
|
||
Function: Adc_Init
|
||
Description:Enable the ADC's and setup the DMA as well to automatically read them to system ram.
|
||
*******************************************************************************/
|
||
void Adc_Init(void) {
|
||
u32 timeout = 10 * 0x1000;
|
||
ADC_InitTypeDef ADC_InitStructure;
|
||
DMA_InitTypeDef DMA_InitStructure;
|
||
|
||
/* DMA1 channel1 configuration ---------------------------------------------*/
|
||
DMA_DeInit(DMA1_Channel1);
|
||
DMA_InitStructure.DMA_PeripheralBaseAddr = ADC1_DR_Address;
|
||
DMA_InitStructure.DMA_MemoryBaseAddr = (uint32_t) ADC1ConvertedValue;
|
||
DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC;
|
||
DMA_InitStructure.DMA_BufferSize = 2;
|
||
DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
|
||
DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;
|
||
DMA_InitStructure.DMA_PeripheralDataSize =
|
||
DMA_PeripheralDataSize_HalfWord;
|
||
DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord;
|
||
DMA_InitStructure.DMA_Mode = DMA_Mode_Circular;
|
||
DMA_InitStructure.DMA_Priority = DMA_Priority_High;
|
||
DMA_InitStructure.DMA_M2M = DMA_M2M_Disable;
|
||
DMA_Init(DMA1_Channel1, &DMA_InitStructure);
|
||
|
||
/* Enable DMA1 channel1 */
|
||
DMA_Cmd(DMA1_Channel1, ENABLE);
|
||
// ADC1 configuration ------------------------------------------------------//
|
||
ADC_DeInit(ADC1);
|
||
ADC_InitStructure.ADC_Mode = ADC_Mode_Independent;
|
||
ADC_InitStructure.ADC_ScanConvMode = ENABLE;
|
||
ADC_InitStructure.ADC_ContinuousConvMode = ENABLE;
|
||
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None;
|
||
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
|
||
ADC_InitStructure.ADC_NbrOfChannel = 2;
|
||
ADC_Init(ADC1, &ADC_InitStructure);
|
||
|
||
// ADC2 configuration ------------------------------------------------------//
|
||
ADC_DeInit(ADC2);
|
||
ADC_InitStructure.ADC_Mode = ADC_Mode_Independent;
|
||
ADC_InitStructure.ADC_ScanConvMode = ENABLE;
|
||
ADC_InitStructure.ADC_ContinuousConvMode = ENABLE;
|
||
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None;
|
||
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
|
||
ADC_InitStructure.ADC_NbrOfChannel = 1;
|
||
ADC_Init(ADC2, &ADC_InitStructure);
|
||
|
||
// ADC1,2 regular channel7 channel9 and channel8 configuration ----------//
|
||
ADC_RegularChannelConfig(ADC1, ADC_Channel_7, 2,
|
||
ADC_SampleTime_239Cycles5); //28 or 55
|
||
ADC_RegularChannelConfig(ADC1, ADC_Channel_8, 1,
|
||
ADC_SampleTime_239Cycles5); //28 or 55
|
||
ADC_RegularChannelConfig(ADC2, ADC_Channel_9, 1,
|
||
ADC_SampleTime_55Cycles5); //28 or 55
|
||
|
||
/* Enable ADC1 DMA */
|
||
ADC_DMACmd(ADC1, ENABLE);
|
||
|
||
ADC_Cmd(ADC1, ENABLE); /* Enable ADC1 */
|
||
ADC_Cmd(ADC2, ENABLE); /* Enable ADC2 */
|
||
|
||
ADC_ResetCalibration(ADC1); /* Enable ADC1 reset calibaration register */
|
||
while (ADC_GetResetCalibrationStatus(ADC1))
|
||
if (!timeout--)
|
||
return; /* Check the end of ADC1 reset calibration register */
|
||
|
||
ADC_ResetCalibration(ADC2); /* Enable ADC2 reset calibaration register */
|
||
timeout = 10 * 0x1000;
|
||
while (ADC_GetResetCalibrationStatus(ADC2))
|
||
if (!timeout--)
|
||
return; /* Check the end of ADC2 reset calibration register */
|
||
|
||
ADC_SoftwareStartConvCmd(ADC1, ENABLE);
|
||
ADC_SoftwareStartConvCmd(ADC2, ENABLE);
|
||
}
|
||
|
||
/*
|
||
* Init Timer3 to fire every 50us to be used to control the irons software PWM
|
||
* This needs to be really fast as there is a cap used between this and the driver circuitry
|
||
* That prevents a stuck mcu heating the tip
|
||
*/
|
||
void Init_Timer3(void) {
|
||
NVIC_InitTypeDef NVIC_InitStructure;
|
||
TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure;
|
||
|
||
NVIC_PriorityGroupConfig(NVIC_PriorityGroup_0);
|
||
|
||
TIM_TimeBaseStructure.TIM_Prescaler = 48 - 1; //(48MHz)/48 = 1MHz
|
||
TIM_TimeBaseStructure.TIM_Period = 50 - 1; // Interrupt per 50us
|
||
TIM_TimeBaseStructure.TIM_ClockDivision = TIM_CKD_DIV2;
|
||
TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;
|
||
TIM_TimeBaseInit(TIM3, &TIM_TimeBaseStructure);
|
||
TIM_ARRPreloadConfig(TIM3, ENABLE);
|
||
TIM_ITConfig(TIM3, TIM_IT_Update, ENABLE);
|
||
TIM_Cmd(TIM3, ENABLE);
|
||
|
||
NVIC_InitStructure.NVIC_IRQChannel = TIM3_IRQn;
|
||
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
|
||
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1;
|
||
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
|
||
NVIC_Init(&NVIC_InitStructure);
|
||
}
|
||
//We want to enable the EXTI IRQ for the two buttons on PA6 and PA9
|
||
void Init_EXTI(void) {
|
||
EXTI_InitTypeDef EXTI_InitStructure;
|
||
NVIC_InitTypeDef NVIC_InitStructure;
|
||
|
||
GPIO_EXTILineConfig(GPIO_PortSourceGPIOA,
|
||
GPIO_PinSource6 | GPIO_PinSource9);
|
||
|
||
GPIO_EXTILineConfig(GPIO_PortSourceGPIOB,
|
||
GPIO_PinSource5); //PB5 == accelerometer
|
||
|
||
/* Configure EXTI5/6/9 line */
|
||
EXTI_InitStructure.EXTI_Line = EXTI_Line5 | EXTI_Line6 | EXTI_Line9;
|
||
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
|
||
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising_Falling; //trigger on up and down
|
||
EXTI_InitStructure.EXTI_LineCmd = ENABLE;
|
||
EXTI_Init(&EXTI_InitStructure);
|
||
|
||
/* Enable and set EXTI9_5 Interrupt to the lowest priority */
|
||
NVIC_InitStructure.NVIC_IRQChannel = EXTI9_5_IRQn;
|
||
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0x0F;
|
||
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0x0F;
|
||
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
|
||
NVIC_Init(&NVIC_InitStructure);
|
||
|
||
}
|
||
//Start the system watchdog with a timeout specified
|
||
//Note you cannot turn this off once you turn it on
|
||
void Start_Watchdog(uint32_t ms) {
|
||
IWDG_WriteAccessCmd(IWDG_WriteAccess_Enable);
|
||
|
||
/* IWDG counter clock: 40KHz(LSI) / 32 = 1.25 KHz (min:0.8ms -- max:3276.8ms */
|
||
IWDG_SetPrescaler(IWDG_Prescaler_32);
|
||
|
||
/* Set counter reload value to XXms */
|
||
IWDG_SetReload(ms * 10 / 8);
|
||
|
||
/* Reload IWDG counter */
|
||
IWDG_ReloadCounter();
|
||
|
||
/* Enable IWDG (the LSI oscillator will be enabled by hardware) */
|
||
IWDG_Enable();
|
||
}
|
||
|
||
//Reset the system watchdog
|
||
void Clear_Watchdog(void) {
|
||
IWDG_ReloadCounter();
|
||
}
|
||
|
||
//TIM3_ISR handles the tick of the timer 3 IRQ
|
||
void TIM3_ISR(void) {
|
||
volatile static u8 heat_flag = 0;
|
||
//heat flag == used to make the pin toggle
|
||
//As the output is passed through a cap, the iron is on whilever we provide a square wave drive output
|
||
|
||
TIM_ClearITPendingBit(TIM3, TIM_IT_Update);
|
||
// Clear interrupt flag
|
||
|
||
if (gHeat_cnt > 0) {
|
||
--gHeat_cnt;
|
||
if (heat_flag)
|
||
HEAT_OFF(); //write the pin off
|
||
else
|
||
HEAT_ON(); //write the pin on
|
||
heat_flag = !heat_flag;
|
||
} else {
|
||
HEAT_OFF(); //set the pin low for measurements
|
||
heat_flag = 0;
|
||
}
|
||
|
||
}
|