Merge Dev into mainline (#1)
* Removing USB Need to refine the drive to the iron tip * Update README.md * * Rewrite all code from scratch * Only kept settings * New font * New PID * New Menus * Use Hardware I2C * Faster System * Better Heating Time * No USB * Full Menu System
This commit is contained in:
Ben V. Brown
GitHub
@@ -1,229 +1,148 @@
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/********************* (C) COPYRIGHT 2015 e-Design Co.,Ltd. **********************
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File Name : I2C.c
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Version : S100 APP Ver 2.11
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Description:
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Author : Celery
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Data: 2015/07/20
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History:
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2015/07/07 ͳһ<CDB3><D2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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2015/07/21 I2C_DELAYTIME = 2;
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*******************************************************************************/
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#include "stm32f10x.h"
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/*
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* I2C.h hardware interface class
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* Based on the STM32 app note AN2824
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*/
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#include "I2C.h"
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#include "Bios.h"
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#include "Oled.h"
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#include "S100V0_1.h"
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// --------- <20><><EFBFBD><EFBFBD>I2C<32>ӿ<EFBFBD><D3BF><EFBFBD>ض<EFBFBD><D8B6><EFBFBD>-------- //
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#define SDA GPIO_Pin_7
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#define SCL GPIO_Pin_6
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/*
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* Configure the I2C port hardware
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*/
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void I2C_Configuration(void) {
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GPIO_InitTypeDef GPIO_InitStructure;
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I2C_InitTypeDef I2C_InitStructure;
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#define HIGH 1
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#define LOW 0
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/* PB6,7 SCL and SDA */
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GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6 | GPIO_Pin_7;
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GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_OD;
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GPIO_Init(GPIOB, &GPIO_InitStructure);
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#define SDA_VAL GPIO_ReadInputDataBit(GPIOB, SDA)
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#define SCL_VAL GPIO_ReadInputDataBit(GPIOB, SCL)
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#define I2C_MORE 1
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#define I2C_LAST 0
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#define I2C_TIMEOUT 255
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#define FAILURE 0
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#define SUCCEED 1
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#define I2C_DELAYTIME 2
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static void Sim_I2C_Set(u8 pin, u8 status);
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static void Sim_I2C_Stop(void);
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static void Sim_I2C_Start(void);
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static u8 Sim_I2C_RD_Byte(u8 more);
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static u8 Sim_I2C_WR_Byte(u8 data);
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/*******************************************************************************
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<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: Delay_uS
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<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: <20><><EFBFBD><EFBFBD><EFBFBD>ʱ
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>:us
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||||
<EFBFBD><EFBFBD><EFBFBD>ز<EFBFBD><EFBFBD><EFBFBD>:NULL
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*******************************************************************************/
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void Delay_uS(u32 us)
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{
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while(us) us--;
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}
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/*******************************************************************************
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<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: I2C_Configuration
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<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: <20><><EFBFBD><EFBFBD>I2C
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||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>:NULL
|
||||
<EFBFBD><EFBFBD><EFBFBD>ز<EFBFBD><EFBFBD><EFBFBD>:NULL
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*******************************************************************************/
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void I2C_Configuration(void)
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{
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GPIO_InitTypeDef GPIO_InitStructure;
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I2C_InitTypeDef I2C_InitStructure;
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GPIO_Init_OLED();
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/* PB6,7 SCL and SDA */
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GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6 | GPIO_Pin_7;
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GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_OD;
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GPIO_Init(GPIOB, &GPIO_InitStructure);
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/* I2C1 configuration ------------------------------------------------------*/
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I2C_InitStructure.I2C_Mode = I2C_Mode_I2C;
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I2C_InitStructure.I2C_DutyCycle = I2C_DutyCycle_2;
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I2C_InitStructure.I2C_OwnAddress1 = DEVICEADDR_OLED;
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I2C_InitStructure.I2C_Ack = I2C_Ack_Enable;
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I2C_InitStructure.I2C_AcknowledgedAddress = I2C_AcknowledgedAddress_7bit;
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I2C_InitStructure.I2C_ClockSpeed = 100000;//100k
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I2C_Init(I2C1, &I2C_InitStructure);
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I2C_Cmd(I2C1, ENABLE);
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/* I2C1 configuration ------------------------------------------------------*/
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I2C_InitStructure.I2C_Mode = I2C_Mode_I2C;
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I2C_InitStructure.I2C_DutyCycle = I2C_DutyCycle_2;
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I2C_InitStructure.I2C_Ack = I2C_Ack_Enable;
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I2C_InitStructure.I2C_AcknowledgedAddress = I2C_AcknowledgedAddress_7bit;
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I2C_InitStructure.I2C_ClockSpeed = 100000; //100k
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I2C_Init(I2C1, &I2C_InitStructure);
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I2C_Cmd(I2C1, ENABLE);
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}
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/*******************************************************************************
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<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: I2C_Configuration
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||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: <20><><EFBFBD><EFBFBD>I2C
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>:NULL
|
||||
<EFBFBD><EFBFBD><EFBFBD>ز<EFBFBD><EFBFBD><EFBFBD>:NULL
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||||
*******************************************************************************/
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void Sim_I2C_Set(u8 pin, u8 status)
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{
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if(status == HIGH) GPIO_SetBits (GPIOB, pin);
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if(status == LOW) GPIO_ResetBits(GPIOB, pin);
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}
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/*******************************************************************************
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<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: Sim_I2C_Start
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||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: <20><>ʼ
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>:NULL
|
||||
<EFBFBD><EFBFBD><EFBFBD>ز<EFBFBD><EFBFBD><EFBFBD>:NULL
|
||||
*******************************************************************************/
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void Sim_I2C_Start(void)
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{
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GPIO_InitTypeDef GPIO_InitStructure;
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/*
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* Writes a page of data over I2C using the I2C1 peripheral in the stm32
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*
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*/
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void I2C_PageWrite(u8* buf, u8 nbyte, u8 deviceaddr) {
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RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB, ENABLE); // I2C_PIN_EN();
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GPIO_InitStructure.GPIO_Pin = SCL | SDA;
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_OD;
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GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
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GPIO_Init (GPIOB, &GPIO_InitStructure);
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while (I2C_GetFlagStatus(I2C1, I2C_FLAG_BUSY)) {
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}
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// Intiate Start Sequence
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I2C_GenerateSTART(I2C1, ENABLE);
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while (!I2C_CheckEvent(I2C1, I2C_EVENT_MASTER_MODE_SELECT)) {
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}
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// Send Address
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I2C_Send7bitAddress(I2C1, deviceaddr << 1, I2C_Direction_Transmitter);
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while (!I2C_CheckEvent(I2C1, I2C_EVENT_MASTER_TRANSMITTER_MODE_SELECTED)) {
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}
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// Write first byte EV8_1
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I2C_SendData(I2C1, *buf++);
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Sim_I2C_Set(SCL, LOW); // SCL low
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Sim_I2C_Set(SDA, HIGH); // SDA float, set as output high
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Sim_I2C_Set(SCL, HIGH); // SCL high
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Delay_uS(I2C_DELAYTIME);
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Sim_I2C_Set(SDA, LOW); // SDA high->low while sclk high, S state occur...
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Delay_uS(I2C_DELAYTIME);
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Sim_I2C_Set(SCL, LOW); // SCL low
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}
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/*******************************************************************************
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<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: Sim_I2C_Stop
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||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: ֹͣ
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>:NULL
|
||||
<EFBFBD><EFBFBD><EFBFBD>ز<EFBFBD><EFBFBD><EFBFBD>:NULL
|
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*******************************************************************************/
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void Sim_I2C_Stop(void)
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{
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Sim_I2C_Set(SCL, LOW); // SCL low
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Sim_I2C_Set(SDA, LOW); // SDA low
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Delay_uS(I2C_DELAYTIME);
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Sim_I2C_Set(SCL, HIGH); // SCL high
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Delay_uS(I2C_DELAYTIME);
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Sim_I2C_Set(SDA, HIGH); // SDA low->high while sclk high, P state occur
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Delay_uS(I2C_DELAYTIME);
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Sim_I2C_Set(SCL, LOW); // SCL low
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Delay_uS(I2C_DELAYTIME);
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}
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/*******************************************************************************
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<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: Sim_I2C_WR_Byte
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||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>:<3A><>I2Cд<43><D0B4>λ<EFBFBD><CEBB><EFBFBD><EFBFBD>
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>:dataҪд<D2AA><D0B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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||||
<EFBFBD><EFBFBD><EFBFBD>ز<EFBFBD><EFBFBD><EFBFBD>:NULL
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*******************************************************************************/
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u8 Sim_I2C_WR_Byte(u8 data)
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{
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u8 i = 8;
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while (--nbyte) {
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// wait on BTF
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while (!I2C_GetFlagStatus(I2C1, I2C_FLAG_BTF)) {
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}
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I2C_SendData(I2C1, *buf++);
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}
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while(i--) { //send out a bit by sda line.
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Sim_I2C_Set(SCL, LOW); // sclk low
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if(data & 0x80) Sim_I2C_Set(SDA, HIGH); // send bit is 1
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else Sim_I2C_Set(SDA, LOW); // send bit is 0
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Delay_uS(I2C_DELAYTIME);
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Sim_I2C_Set(SCL, HIGH); // SCL high
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Delay_uS(I2C_DELAYTIME);
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data <<=1; // left shift 1 bit, MSB send first.
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}
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Sim_I2C_Set(SCL, LOW); // SCL low
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Sim_I2C_Set(SDA, HIGH); // SDA set as input
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for(i=I2C_TIMEOUT; i!=0; i--) { // wait for sda low to receive ack
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Delay_uS(I2C_DELAYTIME);
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if (!SDA_VAL) {
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Sim_I2C_Set(SCL, HIGH); // SCL high
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Delay_uS(I2C_DELAYTIME);
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Sim_I2C_Set(SCL, LOW); // SCL_LOW();
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Delay_uS(I2C_DELAYTIME);
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return SUCCEED;
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}
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}
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return FAILURE;
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}
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/*******************************************************************************
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<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: Sim_I2C_RD_Byte
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<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>:<3A><>I2C<32><43><EFBFBD><EFBFBD>λ<EFBFBD><CEBB><EFBFBD><EFBFBD>
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>:more
|
||||
<EFBFBD><EFBFBD><EFBFBD>ز<EFBFBD><EFBFBD><EFBFBD>:<3A><><EFBFBD><EFBFBD><EFBFBD>İ<EFBFBD>λ<EFBFBD><CEBB><EFBFBD><EFBFBD>
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*******************************************************************************/
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u8 Sim_I2C_RD_Byte(u8 more)
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{
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u8 i = 8, byte = 0;
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while (!I2C_GetFlagStatus(I2C1, I2C_FLAG_BTF)) {
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}
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I2C_GenerateSTOP(I2C1, ENABLE);
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while (I2C_GetFlagStatus(I2C1, I2C_FLAG_STOPF)) {
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}
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Sim_I2C_Set(SDA, HIGH); // SDA set as input
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while(i--) {
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Sim_I2C_Set(SCL, LOW); // SCL low
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Delay_uS(I2C_DELAYTIME);
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Sim_I2C_Set(SCL, HIGH); // SCL high
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Delay_uS(I2C_DELAYTIME);
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byte <<=1; //recv a bit
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if (SDA_VAL) byte |= 0x01;
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}
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Sim_I2C_Set(SCL, LOW);
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if(!more) Sim_I2C_Set(SDA, HIGH); //last byte, send nack.
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else Sim_I2C_Set(SDA, LOW); //send ack
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Delay_uS(I2C_DELAYTIME);
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Sim_I2C_Set(SCL, HIGH); // SCL_HIGH();
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Delay_uS(I2C_DELAYTIME);
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Sim_I2C_Set(SCL, LOW);
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return byte;
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}
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/*******************************************************************************
|
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<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: I2C_PageWrite
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>:<3A><> <20><>ַ deviceaddr д<><D0B4>numbyte<74><65><EFBFBD>ֽڵ<D6BD><DAB5><EFBFBD><EFBFBD>ݣ<EFBFBD>д<EFBFBD><D0B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>pbuf
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>:pbuf д<><D0B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݣ<EFBFBD>numbyte Ϊд<CEAA><D0B4><EFBFBD><EFBFBD>ֽ<EFBFBD><D6BD><EFBFBD><EFBFBD><EFBFBD>deviceaddrΪд<CEAA><D0B4>ĵ<EFBFBD>ַ
|
||||
<EFBFBD><EFBFBD><EFBFBD>ز<EFBFBD><EFBFBD><EFBFBD>:NULL
|
||||
*******************************************************************************/
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void I2C_PageWrite(u8* pbuf, u8 numbyte,u8 deviceaddr )
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{
|
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Sim_I2C_Start();
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Sim_I2C_WR_Byte(deviceaddr<<1);
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while(numbyte--) Sim_I2C_WR_Byte(*pbuf++);
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Sim_I2C_Stop();
|
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}
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/*******************************************************************************
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: I2C_PageRead
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>:<3A><>I2C<32><43><EFBFBD><EFBFBD>λ<EFBFBD><CEBB><EFBFBD><EFBFBD>
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: pbuf <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ĵ<EFBFBD>ŵ<EFBFBD>ַ numbyteΪ<65><CEAA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֽ<EFBFBD><D6BD><EFBFBD>
|
||||
deviceaddr<64>豸<EFBFBD><E8B1B8>ַ readaddr<64><72>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD>ݵ<EFBFBD>ַ
|
||||
<EFBFBD><EFBFBD><EFBFBD>ز<EFBFBD><EFBFBD><EFBFBD>:<3A><><EFBFBD><EFBFBD><EFBFBD>İ<EFBFBD>λ<EFBFBD><CEBB><EFBFBD><EFBFBD>
|
||||
*******************************************************************************/
|
||||
void I2C_PageRead(u8* pbuf, u8 numbyte,u8 deviceaddr, u8 readaddr)
|
||||
{
|
||||
Sim_I2C_Start();
|
||||
Sim_I2C_WR_Byte(deviceaddr<<1);
|
||||
Sim_I2C_WR_Byte(readaddr);
|
||||
Sim_I2C_Start();
|
||||
Sim_I2C_WR_Byte((deviceaddr<<1)|1);
|
||||
|
||||
while(numbyte--) {
|
||||
if(numbyte) *pbuf++ = Sim_I2C_RD_Byte(I2C_MORE);
|
||||
else *pbuf++ = Sim_I2C_RD_Byte(I2C_LAST);
|
||||
}
|
||||
Sim_I2C_Stop();
|
||||
/*
|
||||
* Read Page of data using I2C1 peripheral
|
||||
*/
|
||||
|
||||
void I2C_PageRead(u8* buf, u8 nbyte, u8 deviceaddr, u8 readaddr) {
|
||||
I2C_GenerateSTART(I2C1, ENABLE);
|
||||
while (I2C_GetFlagStatus(I2C1, I2C_FLAG_SB) == RESET)
|
||||
;
|
||||
I2C_Send7bitAddress(I2C1, deviceaddr << 1, I2C_Direction_Transmitter);
|
||||
while (I2C_GetFlagStatus(I2C1, I2C_FLAG_ADDR) == RESET)
|
||||
;
|
||||
I2C_GetFlagStatus(I2C1, I2C_FLAG_MSL);
|
||||
while (I2C_GetFlagStatus(I2C1, I2C_FLAG_TXE) == RESET)
|
||||
;
|
||||
// Send an 8bit byte address
|
||||
I2C_SendData(I2C1, readaddr);
|
||||
while (I2C_GetFlagStatus(I2C1, I2C_FLAG_BUSY)) {
|
||||
}
|
||||
I2C_AcknowledgeConfig(I2C1, DISABLE);
|
||||
I2C_NACKPositionConfig(I2C1, I2C_NACKPosition_Current);
|
||||
I2C_GenerateSTART(I2C1, ENABLE);
|
||||
while (!I2C_CheckEvent(I2C1, I2C_EVENT_MASTER_MODE_SELECT)) {
|
||||
}
|
||||
I2C_Send7bitAddress(I2C1, deviceaddr << 1, I2C_Direction_Receiver);
|
||||
while (!I2C_GetFlagStatus(I2C1, I2C_FLAG_ADDR)) {
|
||||
}
|
||||
if (nbyte == 1) {
|
||||
// Clear Ack bit
|
||||
I2C_AcknowledgeConfig(I2C1, DISABLE);
|
||||
// EV6_1 -- must be atomic -- Clear ADDR, generate STOP
|
||||
__disable_irq();
|
||||
(void) I2C1->SR2;
|
||||
I2C_GenerateSTOP(I2C1, ENABLE);
|
||||
__enable_irq();
|
||||
// Receive data EV7
|
||||
while (!I2C_GetFlagStatus(I2C1, I2C_FLAG_RXNE)) {
|
||||
}
|
||||
*buf++ = I2C_ReceiveData(I2C1);
|
||||
} else if (nbyte == 2) {
|
||||
// Set POS flag
|
||||
I2C_NACKPositionConfig(I2C1, I2C_NACKPosition_Next);
|
||||
// EV6_1 -- must be atomic and in this order
|
||||
__disable_irq();
|
||||
(void) I2C1->SR2; // Clear ADDR flag
|
||||
I2C_AcknowledgeConfig(I2C1, DISABLE); // Clear Ack bit
|
||||
__enable_irq();
|
||||
// EV7_3 -- Wait for BTF, program stop, read data twice
|
||||
while (!I2C_GetFlagStatus(I2C1, I2C_FLAG_BTF)) {
|
||||
}
|
||||
__disable_irq();
|
||||
I2C_GenerateSTOP(I2C1, ENABLE);
|
||||
*buf++ = I2C1->DR;
|
||||
__enable_irq();
|
||||
*buf++ = I2C1->DR;
|
||||
} else {
|
||||
(void) I2C1->SR2; // Clear ADDR flag
|
||||
while (nbyte-- != 3) {
|
||||
// EV7 -- cannot guarantee 1 transfer completion time, wait for BTF
|
||||
// instead of RXNE
|
||||
while (!I2C_GetFlagStatus(I2C1, I2C_FLAG_BTF)) {
|
||||
}
|
||||
*buf++ = I2C_ReceiveData(I2C1);
|
||||
}
|
||||
|
||||
while (!I2C_GetFlagStatus(I2C1, I2C_FLAG_BTF)) {
|
||||
}
|
||||
// EV7_2 -- Figure 1 has an error, doesn't read N-2 !
|
||||
I2C_AcknowledgeConfig(I2C1, DISABLE); // clear ack bit
|
||||
__disable_irq();
|
||||
*buf++ = I2C_ReceiveData(I2C1); // receive byte N-2
|
||||
I2C_GenerateSTOP(I2C1, ENABLE); // program stop
|
||||
__enable_irq();
|
||||
*buf++ = I2C_ReceiveData(I2C1); // receive byte N-1
|
||||
// wait for byte N
|
||||
while (!I2C_CheckEvent(I2C1, I2C_EVENT_MASTER_BYTE_RECEIVED)) {
|
||||
}
|
||||
*buf++ = I2C_ReceiveData(I2C1);
|
||||
nbyte = 0;
|
||||
}
|
||||
// Wait for stop
|
||||
while (I2C_GetFlagStatus(I2C1, I2C_FLAG_STOPF)) {
|
||||
}
|
||||
return;
|
||||
}
|
||||
/******************************** END OF FILE *********************************/
|
||||
|
||||
|
||||
Reference in New Issue
Block a user