/
IOSTM.cpp
864 lines (684 loc) · 25.2 KB
/
IOSTM.cpp
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/*
* Copyright (C) 2016 by Jim McLaughlin KI6ZUM
* Copyright (C) 2016, 2017 by Andy Uribe CA6JAU
* Copyright (C) 2017 by Jonathan Naylor G4KLX
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "Config.h"
#include "Globals.h"
#include "IO.h"
#if defined(STM32F4XX) || defined(STM32F7XX)
#if defined(STM32F4_DISCOVERY)
/*
Pin definitions for STM32F4 Discovery Board:
PTT PB13 output P1 Pin37
COSLED PA7 output P1 Pin17
LED PD15 output P1 Pin47
COS PA5 input P1 Pin15
DSTAR PD12 output P1 Pin44
DMR PD13 output P1 Pin45
YSF PD14 output P1 Pin46
P25 PD11 output P1 Pin43
RX PA0 analog input P1 Pin12
RSSI PA1 analog input P1 Pin11
TX PA4 analog output P1 Pin16
EXT_CLK PA15 input P2 Pin40
*/
#define PIN_COS GPIO_Pin_5
#define PORT_COS GPIOA
#define RCC_Per_COS RCC_AHB1Periph_GPIOA
#define PIN_PTT GPIO_Pin_13
#define PORT_PTT GPIOB
#define RCC_Per_PTT RCC_AHB1Periph_GPIOB
#define PIN_COSLED GPIO_Pin_7
#define PORT_COSLED GPIOA
#define RCC_Per_COSLED RCC_AHB1Periph_GPIOA
#define PIN_LED GPIO_Pin_15
#define PORT_LED GPIOD
#define RCC_Per_LED RCC_AHB1Periph_GPIOD
#define PIN_P25 GPIO_Pin_11
#define PORT_P25 GPIOD
#define RCC_Per_P25 RCC_AHB1Periph_GPIOD
#define PIN_DSTAR GPIO_Pin_12
#define PORT_DSTAR GPIOD
#define RCC_Per_DSTAR RCC_AHB1Periph_GPIOD
#define PIN_DMR GPIO_Pin_13
#define PORT_DMR GPIOD
#define RCC_Per_DMR RCC_AHB1Periph_GPIOD
#define PIN_YSF GPIO_Pin_14
#define PORT_YSF GPIOD
#define RCC_Per_YSF RCC_AHB1Periph_GPIOD
#define PIN_EXT_CLK GPIO_Pin_15
#define SRC_EXT_CLK GPIO_PinSource15
#define PORT_EXT_CLK GPIOA
#define PIN_RX GPIO_Pin_0
#define PIN_RX_CH ADC_Channel_0
#define PORT_RX GPIOA
#define RCC_Per_RX RCC_AHB1Periph_GPIOA
#define PIN_RSSI GPIO_Pin_1
#define PIN_RSSI_CH ADC_Channel_1
#define PORT_RSSI GPIOA
#define RCC_Per_RSSI RCC_AHB1Periph_GPIOA
#define PIN_TX GPIO_Pin_4
#define PIN_TX_CH DAC_Channel_1
#elif defined(STM32F4_PI)
/*
Pin definitions for STM32F4 Pi Board:
PTT PB13 output
COSLED PB14 output
LED PB15 output
COS PC0 input
DSTAR PC7 output
DMR PC8 output
YSF PA8 output
P25 PC9 output
RX PA0 analog input
RSSI PA7 analog input
TX PA4 analog output
EXT_CLK PA15 input
*/
#define PIN_COS GPIO_Pin_0
#define PORT_COS GPIOC
#define RCC_Per_COS RCC_AHB1Periph_GPIOC
#define PIN_PTT GPIO_Pin_13
#define PORT_PTT GPIOB
#define RCC_Per_PTT RCC_AHB1Periph_GPIOB
#define PIN_COSLED GPIO_Pin_14
#define PORT_COSLED GPIOB
#define RCC_Per_COSLED RCC_AHB1Periph_GPIOB
#define PIN_LED GPIO_Pin_15
#define PORT_LED GPIOB
#define RCC_Per_LED RCC_AHB1Periph_GPIOB
#define PIN_P25 GPIO_Pin_9
#define PORT_P25 GPIOC
#define RCC_Per_P25 RCC_AHB1Periph_GPIOC
#define PIN_DSTAR GPIO_Pin_7
#define PORT_DSTAR GPIOC
#define RCC_Per_DSTAR RCC_AHB1Periph_GPIOC
#define PIN_DMR GPIO_Pin_8
#define PORT_DMR GPIOC
#define RCC_Per_DMR RCC_AHB1Periph_GPIOC
#define PIN_YSF GPIO_Pin_8
#define PORT_YSF GPIOA
#define RCC_Per_YSF RCC_AHB1Periph_GPIOA
#define PIN_EXT_CLK GPIO_Pin_15
#define SRC_EXT_CLK GPIO_PinSource15
#define PORT_EXT_CLK GPIOA
#define PIN_RX GPIO_Pin_0
#define PIN_RX_CH ADC_Channel_0
#define PORT_RX GPIOA
#define RCC_Per_RX RCC_AHB1Periph_GPIOA
#define PIN_RSSI GPIO_Pin_7
#define PIN_RSSI_CH ADC_Channel_7
#define PORT_RSSI GPIOA
#define RCC_Per_RSSI RCC_AHB1Periph_GPIOA
#define PIN_TX GPIO_Pin_4
#define PIN_TX_CH DAC_Channel_1
#elif defined(STM32F4_F4M)
/*
Pin definitions for MMDVM-F4M Pi-Hat F0DEI board:
PTT PB13 output
COSLED PB14 output
LED PB15 output
COS PC0 input
DSTAR PC7 output
DMR PC8 output
YSF PA8 output
P25 PC9 output
RX PA0 analog input
RSSI PA7 analog input
TX PA4 analog output
EXT_CLK PA15 input
*/
#define PIN_COS GPIO_Pin_0
#define PORT_COS GPIOC
#define RCC_Per_COS RCC_AHB1Periph_GPIOC
#define PIN_PTT GPIO_Pin_13
#define PORT_PTT GPIOB
#define RCC_Per_PTT RCC_AHB1Periph_GPIOB
#define PIN_COSLED GPIO_Pin_14
#define PORT_COSLED GPIOB
#define RCC_Per_COSLED RCC_AHB1Periph_GPIOB
#define PIN_LED GPIO_Pin_15
#define PORT_LED GPIOB
#define RCC_Per_LED RCC_AHB1Periph_GPIOB
#define PIN_P25 GPIO_Pin_9
#define PORT_P25 GPIOC
#define RCC_Per_P25 RCC_AHB1Periph_GPIOC
#define PIN_DSTAR GPIO_Pin_7
#define PORT_DSTAR GPIOC
#define RCC_Per_DSTAR RCC_AHB1Periph_GPIOC
#define PIN_DMR GPIO_Pin_8
#define PORT_DMR GPIOC
#define RCC_Per_DMR RCC_AHB1Periph_GPIOC
#define PIN_YSF GPIO_Pin_8
#define PORT_YSF GPIOA
#define RCC_Per_YSF RCC_AHB1Periph_GPIOA
#define PIN_EXT_CLK GPIO_Pin_15
#define SRC_EXT_CLK GPIO_PinSource15
#define PORT_EXT_CLK GPIOA
#define PIN_RX GPIO_Pin_0
#define PIN_RX_CH ADC_Channel_0
#define PORT_RX GPIOA
#define RCC_Per_RX RCC_AHB1Periph_GPIOA
#define PIN_RSSI GPIO_Pin_7
#define PIN_RSSI_CH ADC_Channel_7
#define PORT_RSSI GPIOA
#define RCC_Per_RSSI RCC_AHB1Periph_GPIOA
#define PIN_TX GPIO_Pin_4
#define PIN_TX_CH DAC_Channel_1
#elif defined(STM32F4_NUCLEO)
#if defined(STM32F4_NUCLEO_MORPHO_HEADER)
/*
Pin definitions for STM32F4 Nucleo boards (ST Morpho header):
PTT PB13 output CN10 Pin30
COSLED PB14 output CN10 Pin28
LED PA5 output CN10 Pin11
COS PB15 input CN10 Pin26
DSTAR PB10 output CN10 Pin25
DMR PB4 output CN10 Pin27
YSF PB5 output CN10 Pin29
P25 PB3 output CN10 Pin31
MDSTAR PC4 output CN10 Pin34
MDMR PC5 output CN10 Pin6
MYSF PC2 output CN7 Pin35
MP25 PC3 output CN7 Pin37
RX PA0 analog input CN7 Pin28
RSSI PA1 analog input CN7 Pin30
TX PA4 analog output CN7 Pin32
EXT_CLK PA15 input CN7 Pin17
*/
#define PIN_COS GPIO_Pin_15
#define PORT_COS GPIOB
#define RCC_Per_COS RCC_AHB1Periph_GPIOB
#define PIN_PTT GPIO_Pin_13
#define PORT_PTT GPIOB
#define RCC_Per_PTT RCC_AHB1Periph_GPIOB
#define PIN_COSLED GPIO_Pin_14
#define PORT_COSLED GPIOB
#define RCC_Per_COSLED RCC_AHB1Periph_GPIOB
#define PIN_LED GPIO_Pin_5
#define PORT_LED GPIOA
#define RCC_Per_LED RCC_AHB1Periph_GPIOA
#define PIN_P25 GPIO_Pin_3
#define PORT_P25 GPIOB
#define RCC_Per_P25 RCC_AHB1Periph_GPIOB
#define PIN_DSTAR GPIO_Pin_10
#define PORT_DSTAR GPIOB
#define RCC_Per_DSTAR RCC_AHB1Periph_GPIOB
#define PIN_DMR GPIO_Pin_4
#define PORT_DMR GPIOB
#define RCC_Per_DMR RCC_AHB1Periph_GPIOB
#define PIN_YSF GPIO_Pin_5
#define PORT_YSF GPIOB
#define RCC_Per_YSF RCC_AHB1Periph_GPIOB
#if defined(STM32F4_NUCLEO_MODE_PINS)
#define PIN_MP25 GPIO_Pin_3
#define PORT_MP25 GPIOC
#define RCC_Per_MP25 RCC_AHB1Periph_GPIOC
#define PIN_MDSTAR GPIO_Pin_4
#define PORT_MDSTAR GPIOC
#define RCC_Per_MDSTAR RCC_AHB1Periph_GPIOC
#define PIN_MDMR GPIO_Pin_5
#define PORT_MDMR GPIOC
#define RCC_Per_MDMR RCC_AHB1Periph_GPIOC
#define PIN_MYSF GPIO_Pin_2
#define PORT_MYSF GPIOC
#define RCC_Per_MYSF RCC_AHB1Periph_GPIOC
#endif
#define PIN_EXT_CLK GPIO_Pin_15
#define SRC_EXT_CLK GPIO_PinSource15
#define PORT_EXT_CLK GPIOA
#define PIN_RX GPIO_Pin_0
#define PIN_RX_CH ADC_Channel_0
#define PORT_RX GPIOA
#define RCC_Per_RX RCC_AHB1Periph_GPIOA
#define PIN_RSSI GPIO_Pin_1
#define PIN_RSSI_CH ADC_Channel_1
#define PORT_RSSI GPIOA
#define RCC_Per_RSSI RCC_AHB1Periph_GPIOA
#define PIN_TX GPIO_Pin_4
#define PIN_TX_CH DAC_Channel_1
#elif defined(STM32F4_NUCLEO_ARDUINO_HEADER)
/*
Pin definitions for STM32F4 Nucleo boards (Arduino header):
PTT PB10 output CN9 Pin7
COSLED PB3 output CN9 Pin4
LED PB5 output CN9 Pin5
COS PB4 input CN9 Pin6
DSTAR PA1 output CN8 Pin2
DMR PA4 output CN8 Pin3
YSF PB0 output CN8 Pin4
P25 PC1 output CN8 Pin5
RX PA0 analog input CN8 Pin1
RSSI PC0 analog input CN8 Pin6
TX PA5 analog output CN5 Pin6
EXT_CLK PB8 input CN5 Pin10
*/
#define PIN_COS GPIO_Pin_4
#define PORT_COS GPIOB
#define RCC_Per_COS RCC_AHB1Periph_GPIOB
#define PIN_PTT GPIO_Pin_10
#define PORT_PTT GPIOB
#define RCC_Per_PTT RCC_AHB1Periph_GPIOB
#define PIN_COSLED GPIO_Pin_3
#define PORT_COSLED GPIOB
#define RCC_Per_COSLED RCC_AHB1Periph_GPIOB
#define PIN_LED GPIO_Pin_5
#define PORT_LED GPIOB
#define RCC_Per_LED RCC_AHB1Periph_GPIOB
#define PIN_P25 GPIO_Pin_1
#define PORT_P25 GPIOC
#define RCC_Per_P25 RCC_AHB1Periph_GPIOC
#define PIN_DSTAR GPIO_Pin_1
#define PORT_DSTAR GPIOA
#define RCC_Per_DSTAR RCC_AHB1Periph_GPIOA
#define PIN_DMR GPIO_Pin_4
#define PORT_DMR GPIOA
#define RCC_Per_DMR RCC_AHB1Periph_GPIOA
#define PIN_YSF GPIO_Pin_0
#define PORT_YSF GPIOB
#define RCC_Per_YSF RCC_AHB1Periph_GPIOB
#define PIN_EXT_CLK GPIO_Pin_8
#define SRC_EXT_CLK GPIO_PinSource8
#define PORT_EXT_CLK GPIOB
#define PIN_RX GPIO_Pin_0
#define PIN_RX_CH ADC_Channel_0
#define PORT_RX GPIOA
#define RCC_Per_RX RCC_AHB1Periph_GPIOA
#define PIN_RSSI GPIO_Pin_0
#define PIN_RSSI_CH ADC_Channel_10
#define PORT_RSSI GPIOC
#define RCC_Per_RSSI RCC_AHB1Periph_GPIOC
#define PIN_TX GPIO_Pin_5
#define PIN_TX_CH DAC_Channel_2
#else
#error "Either STM32F4_NUCLEO_MORPHO_HEADER or STM32F4_NUCLEO_ARDUINO_HEADER need to be defined in Config.h"
#endif
#elif defined(STM32F7_NUCLEO)
/*
Pin definitions for STM32F7 Nucleo boards (ST Morpho header):
PTT PB13 output CN12 Pin30
COSLED PB14 output CN12 Pin28
LED PA5 output CN12 Pin11
COS PB15 input CN12 Pin26
DSTAR PB10 output CN12 Pin25
DMR PB4 output CN12 Pin27
YSF PB5 output CN12 Pin29
P25 PB3 output CN12 Pin31
MDSTAR PC4 output CN12 Pin34
MDMR PC5 output CN12 Pin6
MYSF PC2 output CN11 Pin35
MP25 PC3 output CN11 Pin37
RX PA0 analog input CN11 Pin28
RSSI PA1 analog input CN11 Pin30
TX PA4 analog output CN11 Pin32
EXT_CLK PA15 input CN11 Pin17
*/
#define PIN_COS GPIO_Pin_15
#define PORT_COS GPIOB
#define RCC_Per_COS RCC_AHB1Periph_GPIOB
#define PIN_PTT GPIO_Pin_13
#define PORT_PTT GPIOB
#define RCC_Per_PTT RCC_AHB1Periph_GPIOB
#define PIN_COSLED GPIO_Pin_14
#define PORT_COSLED GPIOB
#define RCC_Per_COSLED RCC_AHB1Periph_GPIOB
#define PIN_LED GPIO_Pin_5
#define PORT_LED GPIOA
#define RCC_Per_LED RCC_AHB1Periph_GPIOA
#define PIN_P25 GPIO_Pin_3
#define PORT_P25 GPIOB
#define RCC_Per_P25 RCC_AHB1Periph_GPIOB
#define PIN_DSTAR GPIO_Pin_10
#define PORT_DSTAR GPIOB
#define RCC_Per_DSTAR RCC_AHB1Periph_GPIOB
#define PIN_DMR GPIO_Pin_4
#define PORT_DMR GPIOB
#define RCC_Per_DMR RCC_AHB1Periph_GPIOB
#define PIN_YSF GPIO_Pin_5
#define PORT_YSF GPIOB
#define RCC_Per_YSF RCC_AHB1Periph_GPIOB
#if defined(STM32F4_NUCLEO_MODE_PINS)
#define PIN_MP25 GPIO_Pin_3
#define PORT_MP25 GPIOC
#define RCC_Per_MP25 RCC_AHB1Periph_GPIOC
#define PIN_MDSTAR GPIO_Pin_4
#define PORT_MDSTAR GPIOC
#define RCC_Per_MDSTAR RCC_AHB1Periph_GPIOC
#define PIN_MDMR GPIO_Pin_5
#define PORT_MDMR GPIOC
#define RCC_Per_MDMR RCC_AHB1Periph_GPIOC
#define PIN_MYSF GPIO_Pin_2
#define PORT_MYSF GPIOC
#define RCC_Per_MYSF RCC_AHB1Periph_GPIOC
#endif
#define PIN_EXT_CLK GPIO_Pin_15
#define SRC_EXT_CLK GPIO_PinSource15
#define PORT_EXT_CLK GPIOA
#define PIN_RX GPIO_Pin_0
#define PIN_RX_CH ADC_Channel_0
#define PORT_RX GPIOA
#define RCC_Per_RX RCC_AHB1Periph_GPIOA
#define PIN_RSSI GPIO_Pin_1
#define PIN_RSSI_CH ADC_Channel_1
#define PORT_RSSI GPIOA
#define RCC_Per_RSSI RCC_AHB1Periph_GPIOA
#define PIN_TX GPIO_Pin_4
#define PIN_TX_CH DAC_Channel_1
#else
#error "Either STM32F4_DISCOVERY, STM32F4_PI, STM32F4_F4M, STM32F4_NUCLEO or STM32F7_NUCLEO need to be defined"
#endif
const uint16_t DC_OFFSET = 2048U;
// Sampling frequency
#define SAMP_FREQ 24000
extern "C" {
void TIM2_IRQHandler() {
if (TIM_GetITStatus(TIM2, TIM_IT_Update) != RESET) {
TIM_ClearITPendingBit(TIM2, TIM_IT_Update);
io.interrupt();
}
}
}
void CIO::initInt()
{
GPIO_InitTypeDef GPIO_InitStruct;
GPIO_StructInit(&GPIO_InitStruct);
GPIO_InitStruct.GPIO_Speed = GPIO_Fast_Speed;
GPIO_InitStruct.GPIO_OType = GPIO_OType_PP;
GPIO_InitStruct.GPIO_PuPd = GPIO_PuPd_DOWN;
// PTT pin
RCC_AHB1PeriphClockCmd(RCC_Per_PTT, ENABLE);
GPIO_InitStruct.GPIO_Pin = PIN_PTT;
GPIO_InitStruct.GPIO_Mode = GPIO_Mode_OUT;
GPIO_Init(PORT_PTT, &GPIO_InitStruct);
// COSLED pin
RCC_AHB1PeriphClockCmd(RCC_Per_COSLED, ENABLE);
GPIO_InitStruct.GPIO_Pin = PIN_COSLED;
GPIO_InitStruct.GPIO_Mode = GPIO_Mode_OUT;
GPIO_Init(PORT_COSLED, &GPIO_InitStruct);
// LED pin
RCC_AHB1PeriphClockCmd(RCC_Per_LED, ENABLE);
GPIO_InitStruct.GPIO_Pin = PIN_LED;
GPIO_InitStruct.GPIO_Mode = GPIO_Mode_OUT;
GPIO_Init(PORT_LED, &GPIO_InitStruct);
// Init the input pins PIN_COS
RCC_AHB1PeriphClockCmd(RCC_Per_COS, ENABLE);
GPIO_InitStruct.GPIO_Pin = PIN_COS;
GPIO_InitStruct.GPIO_Mode = GPIO_Mode_IN;
GPIO_Init(PORT_COS, &GPIO_InitStruct);
#if defined(ARDUINO_MODE_PINS)
// DSTAR pin
RCC_AHB1PeriphClockCmd(RCC_Per_DSTAR, ENABLE);
GPIO_InitStruct.GPIO_Pin = PIN_DSTAR;
GPIO_InitStruct.GPIO_Mode = GPIO_Mode_OUT;
GPIO_Init(PORT_DSTAR, &GPIO_InitStruct);
// DMR pin
RCC_AHB1PeriphClockCmd(RCC_Per_DMR, ENABLE);
GPIO_InitStruct.GPIO_Pin = PIN_DMR;
GPIO_InitStruct.GPIO_Mode = GPIO_Mode_OUT;
GPIO_Init(PORT_DMR, &GPIO_InitStruct);
// YSF pin
RCC_AHB1PeriphClockCmd(RCC_Per_YSF, ENABLE);
GPIO_InitStruct.GPIO_Pin = PIN_YSF;
GPIO_InitStruct.GPIO_Mode = GPIO_Mode_OUT;
GPIO_Init(PORT_YSF, &GPIO_InitStruct);
// P25 pin
RCC_AHB1PeriphClockCmd(RCC_Per_P25, ENABLE);
GPIO_InitStruct.GPIO_Pin = PIN_P25;
GPIO_InitStruct.GPIO_Mode = GPIO_Mode_OUT;
GPIO_Init(PORT_P25, &GPIO_InitStruct);
#endif
#if defined(STM32F4_NUCLEO_MODE_PINS) && defined(STM32F4_NUCLEO_MORPHO_HEADER) && defined(STM32F4_NUCLEO)
// DSTAR mode pin
RCC_AHB1PeriphClockCmd(RCC_Per_MDSTAR, ENABLE);
GPIO_InitStruct.GPIO_Pin = PIN_MDSTAR;
GPIO_InitStruct.GPIO_Mode = GPIO_Mode_OUT;
GPIO_Init(PORT_MDSTAR, &GPIO_InitStruct);
// DMR mode pin
RCC_AHB1PeriphClockCmd(RCC_Per_MDMR, ENABLE);
GPIO_InitStruct.GPIO_Pin = PIN_MDMR;
GPIO_InitStruct.GPIO_Mode = GPIO_Mode_OUT;
GPIO_Init(PORT_MDMR, &GPIO_InitStruct);
// YSF mode pin
RCC_AHB1PeriphClockCmd(RCC_Per_MYSF, ENABLE);
GPIO_InitStruct.GPIO_Pin = PIN_MYSF;
GPIO_InitStruct.GPIO_Mode = GPIO_Mode_OUT;
GPIO_Init(PORT_MYSF, &GPIO_InitStruct);
// P25 mode pin
RCC_AHB1PeriphClockCmd(RCC_Per_MP25, ENABLE);
GPIO_InitStruct.GPIO_Pin = PIN_MP25;
GPIO_InitStruct.GPIO_Mode = GPIO_Mode_OUT;
GPIO_Init(PORT_MP25, &GPIO_InitStruct);
#endif
}
void CIO::startInt()
{
if ((ADC_GetFlagStatus(ADC1, ADC_FLAG_EOC) != RESET))
io.interrupt();
// Init the ADC
GPIO_InitTypeDef GPIO_InitStruct;
ADC_InitTypeDef ADC_InitStructure;
ADC_CommonInitTypeDef ADC_CommonInitStructure;
GPIO_StructInit(&GPIO_InitStruct);
ADC_CommonStructInit(&ADC_CommonInitStructure);
ADC_StructInit(&ADC_InitStructure);
// Enable ADC1 clock
RCC_AHB1PeriphClockCmd(RCC_Per_RX, ENABLE);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1, ENABLE);
// Enable ADC1 GPIO
GPIO_InitStruct.GPIO_Pin = PIN_RX;
GPIO_InitStruct.GPIO_Mode = GPIO_Mode_AN;
GPIO_InitStruct.GPIO_PuPd = GPIO_PuPd_NOPULL ;
GPIO_Init(PORT_RX, &GPIO_InitStruct);
#if defined(SEND_RSSI_DATA)
// Enable ADC2 clock
RCC_AHB1PeriphClockCmd(RCC_Per_RSSI, ENABLE);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC2, ENABLE);
// Enable ADC2 GPIO
GPIO_InitStruct.GPIO_Pin = PIN_RSSI;
GPIO_InitStruct.GPIO_Mode = GPIO_Mode_AN;
GPIO_InitStruct.GPIO_PuPd = GPIO_PuPd_NOPULL ;
GPIO_Init(PORT_RSSI, &GPIO_InitStruct);
#endif
// Init ADCs in dual mode (RSSI), div clock by two
#if defined(SEND_RSSI_DATA)
ADC_CommonInitStructure.ADC_Mode = ADC_DualMode_RegSimult;
#else
ADC_CommonInitStructure.ADC_Mode = ADC_Mode_Independent;
#endif
ADC_CommonInitStructure.ADC_Prescaler = ADC_Prescaler_Div2;
ADC_CommonInitStructure.ADC_DMAAccessMode = ADC_DMAAccessMode_Disabled;
ADC_CommonInitStructure.ADC_TwoSamplingDelay = ADC_TwoSamplingDelay_5Cycles;
ADC_CommonInit(&ADC_CommonInitStructure);
// Init ADC1 and ADC2: 12bit, single-conversion
ADC_InitStructure.ADC_Resolution = ADC_Resolution_12b;
ADC_InitStructure.ADC_ScanConvMode = DISABLE;
ADC_InitStructure.ADC_ContinuousConvMode = DISABLE;
ADC_InitStructure.ADC_ExternalTrigConvEdge = 0;
ADC_InitStructure.ADC_ExternalTrigConv = 0;
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
ADC_InitStructure.ADC_NbrOfConversion = 1;
ADC_Init(ADC1, &ADC_InitStructure);
ADC_EOCOnEachRegularChannelCmd(ADC1, ENABLE);
ADC_RegularChannelConfig(ADC1, PIN_RX_CH, 1, ADC_SampleTime_3Cycles);
// Enable ADC1
ADC_Cmd(ADC1, ENABLE);
#if defined(SEND_RSSI_DATA)
ADC_Init(ADC2, &ADC_InitStructure);
ADC_EOCOnEachRegularChannelCmd(ADC2, ENABLE);
ADC_RegularChannelConfig(ADC2, PIN_RSSI_CH, 1, ADC_SampleTime_3Cycles);
// Enable ADC2
ADC_Cmd(ADC2, ENABLE);
#endif
// Init the DAC
DAC_InitTypeDef DAC_InitStructure;
GPIO_StructInit(&GPIO_InitStruct);
DAC_StructInit(&DAC_InitStructure);
// GPIOA clock enable
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOA, ENABLE);
// DAC Periph clock enable
RCC_APB1PeriphClockCmd(RCC_APB1Periph_DAC, ENABLE);
// GPIO CONFIGURATION of DAC Pin
GPIO_InitStruct.GPIO_Pin = PIN_TX;
GPIO_InitStruct.GPIO_Mode = GPIO_Mode_AN;
GPIO_InitStruct.GPIO_PuPd = GPIO_PuPd_NOPULL;
GPIO_Init(GPIOA, &GPIO_InitStruct);
DAC_InitStructure.DAC_Trigger = DAC_Trigger_None;
DAC_InitStructure.DAC_WaveGeneration = DAC_WaveGeneration_None;
DAC_InitStructure.DAC_OutputBuffer = DAC_OutputBuffer_Enable;
DAC_Init(PIN_TX_CH, &DAC_InitStructure);
DAC_Cmd(PIN_TX_CH, ENABLE);
// Init the timer
RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2, ENABLE);
#if defined(EXTERNAL_OSC) && !defined(STM32F4_PI)
// Configure a GPIO as external TIM2 clock source
GPIO_PinAFConfig(PORT_EXT_CLK, SRC_EXT_CLK, GPIO_AF_TIM2);
GPIO_InitStruct.GPIO_Pin = PIN_EXT_CLK;
GPIO_InitStruct.GPIO_Mode = GPIO_Mode_AF;
GPIO_Init(PORT_EXT_CLK, &GPIO_InitStruct);
#endif
TIM_TimeBaseInitTypeDef timerInitStructure;
TIM_TimeBaseStructInit (&timerInitStructure);
// TIM2 output frequency
#if defined(EXTERNAL_OSC) && !defined(STM32F4_PI)
timerInitStructure.TIM_Prescaler = (uint16_t) ((EXTERNAL_OSC/(2*SAMP_FREQ)) - 1);
timerInitStructure.TIM_Period = 1;
#else
timerInitStructure.TIM_Prescaler = (uint16_t) ((SystemCoreClock/(6*SAMP_FREQ)) - 1);
timerInitStructure.TIM_Period = 2;
#endif
timerInitStructure.TIM_CounterMode = TIM_CounterMode_Up;
timerInitStructure.TIM_ClockDivision = TIM_CKD_DIV1;
timerInitStructure.TIM_RepetitionCounter = 0;
TIM_TimeBaseInit(TIM2, &timerInitStructure);
#if defined(EXTERNAL_OSC) && !defined(STM32F4_PI)
// Enable external clock
TIM_ETRClockMode2Config(TIM2, TIM_ExtTRGPSC_OFF, TIM_ExtTRGPolarity_NonInverted, 0x00);
#else
// Enable internal clock
TIM_InternalClockConfig(TIM2);
#endif
// Enable TIM2
TIM_Cmd(TIM2, ENABLE);
// Enable TIM2 interrupt
TIM_ITConfig(TIM2, TIM_IT_Update, ENABLE);
NVIC_InitTypeDef nvicStructure;
nvicStructure.NVIC_IRQChannel = TIM2_IRQn;
nvicStructure.NVIC_IRQChannelPreemptionPriority = 0;
nvicStructure.NVIC_IRQChannelSubPriority = 1;
nvicStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&nvicStructure);
GPIO_ResetBits(PORT_COSLED, PIN_COSLED);
GPIO_SetBits(PORT_LED, PIN_LED);
}
void CIO::interrupt()
{
uint8_t control = MARK_NONE;
uint16_t sample = DC_OFFSET;
uint16_t rawRSSI = 0U;
m_txBuffer.get(sample, control);
// Send the value to the DAC
#if defined(STM32F4_NUCLEO) && defined(STM32F4_NUCLEO_ARDUINO_HEADER)
DAC_SetChannel2Data(DAC_Align_12b_R, sample);
#else
DAC_SetChannel1Data(DAC_Align_12b_R, sample);
#endif
// Read value from ADC1 and ADC2
if ((ADC_GetFlagStatus(ADC1, ADC_FLAG_EOC) == RESET)) {
// shouldn't be still in reset at this point so null the sample value?
sample = 0U;
} else {
sample = ADC_GetConversionValue(ADC1);
#if defined(SEND_RSSI_DATA)
rawRSSI = ADC_GetConversionValue(ADC2);
#endif
}
// trigger next ADC1
ADC_ClearFlag(ADC1, ADC_FLAG_EOC);
ADC_SoftwareStartConv(ADC1);
m_rxBuffer.put(sample, control);
m_rssiBuffer.put(rawRSSI);
m_watchdog++;
}
bool CIO::getCOSInt()
{
return GPIO_ReadOutputDataBit(PORT_COS, PIN_COS) == Bit_SET;
}
void CIO::setLEDInt(bool on)
{
GPIO_WriteBit(PORT_LED, PIN_LED, on ? Bit_SET : Bit_RESET);
}
void CIO::setPTTInt(bool on)
{
GPIO_WriteBit(PORT_PTT, PIN_PTT, on ? Bit_SET : Bit_RESET);
}
void CIO::setCOSInt(bool on)
{
GPIO_WriteBit(PORT_COSLED, PIN_COSLED, on ? Bit_SET : Bit_RESET);
}
void CIO::setDStarInt(bool on)
{
GPIO_WriteBit(PORT_DSTAR, PIN_DSTAR, on ? Bit_SET : Bit_RESET);
#if defined(STM32F4_NUCLEO_MODE_PINS) && defined(STM32F4_NUCLEO_MORPHO_HEADER) && defined(STM32F4_NUCLEO)
GPIO_WriteBit(PORT_MDSTAR, PIN_MDSTAR, on ? Bit_SET : Bit_RESET);
#endif
}
void CIO::setDMRInt(bool on)
{
GPIO_WriteBit(PORT_DMR, PIN_DMR, on ? Bit_SET : Bit_RESET);
#if defined(STM32F4_NUCLEO_MODE_PINS) && defined(STM32F4_NUCLEO_MORPHO_HEADER) && defined(STM32F4_NUCLEO)
GPIO_WriteBit(PORT_MDMR, PIN_MDMR, on ? Bit_SET : Bit_RESET);
#endif
}
void CIO::setYSFInt(bool on)
{
GPIO_WriteBit(PORT_YSF, PIN_YSF, on ? Bit_SET : Bit_RESET);
#if defined(STM32F4_NUCLEO_MODE_PINS) && defined(STM32F4_NUCLEO_MORPHO_HEADER) && defined(STM32F4_NUCLEO)
GPIO_WriteBit(PORT_MYSF, PIN_MYSF, on ? Bit_SET : Bit_RESET);
#endif
}
void CIO::setP25Int(bool on)
{
GPIO_WriteBit(PORT_P25, PIN_P25, on ? Bit_SET : Bit_RESET);
#if defined(STM32F4_NUCLEO_MODE_PINS) && defined(STM32F4_NUCLEO_MORPHO_HEADER) && defined(STM32F4_NUCLEO)
GPIO_WriteBit(PORT_MP25, PIN_MP25, on ? Bit_SET : Bit_RESET);
#endif
}
// Simple delay function for STM32
// Example from: http://thehackerworkshop.com/?p=1209
void CIO::delayInt(unsigned int dly)
{
#if defined(STM32F7_NUCLEO)
unsigned int loopsPerMillisecond = (SystemCoreClock/1000);
#else
unsigned int loopsPerMillisecond = (SystemCoreClock/1000) / 3;
#endif
for (; dly > 0; dly--)
{
asm volatile //this routine waits (approximately) one millisecond
(
"mov r3, %[loopsPerMillisecond] \n\t" //load the initial loop counter
"loop: \n\t"
"subs r3, #1 \n\t"
"bne loop \n\t"
: //empty output list
: [loopsPerMillisecond] "r" (loopsPerMillisecond) //input to the asm routine
: "r3", "cc" //clobber list
);
}
}
#endif