juribeparada/MMDVM_HS
1
0
Fork 0
mirror of https://github.com/juribeparada/MMDVM_HS.git synced 2026-04-07 15:23:43 +00:00
Code Issues Projects Releases Packages Wiki Activity

Adding Standard TX/RX Data interface support for ADF7021 (without CLKOUT signal)

Browse source
This commit is contained in:
Andy CA6JAU 2017-02-08 22:36:33 -03:00
parent 7e36722b23
commit d1976f1049
6 changed files with 162 additions and 23 deletions
Download patch file Download diff file Expand all files Collapse all files

82
IOSTM.cpp
View file

@ -39,13 +39,18 @@
#define PIN_RXD GPIO_Pin_4
#define PORT_RXD GPIOB
// TXD used in SPI Data mode of ADF7021
// TXD is TxRxCLK of ADF7021, standard TX/RX data interface
#define PIN_TXD GPIO_Pin_3
#define PORT_TXD GPIOB
#define PIN_TXD_INT GPIO_PinSource3
#define PORT_TXD_INT GPIO_PortSourceGPIOB
#define PIN_TXRX_CLK GPIO_Pin_15
#define PORT_TXRX_CLK GPIOA
#define PIN_TXRX_CLK_INT GPIO_PinSource15
#define PORT_TXRX_CLK_INT GPIO_PortSourceGPIOA
// CLKOUT used in SPI Data mode of ADF7021
#define PIN_CLKOUT GPIO_Pin_15
#define PORT_CLKOUT GPIOA
#define PIN_CLKOUT_INT GPIO_PinSource15
#define PORT_CLKOUT_INT GPIO_PortSourceGPIOA
#define PIN_LED GPIO_Pin_13
#define PORT_LED GPIOC
@ -72,12 +77,21 @@
#define PORT_COS_LED GPIOB
extern "C" {
#if defined(BIDIR_DATA_PIN)
void EXTI3_IRQHandler(void) {
if(EXTI_GetITStatus(EXTI_Line3)!=RESET) {
io.interrupt();
EXTI_ClearITPendingBit(EXTI_Line3);
}
}
#else
void EXTI15_10_IRQHandler(void) {
if(EXTI_GetITStatus(EXTI_Line15)!=RESET) {
io.interrupt();
EXTI_ClearITPendingBit(EXTI_Line15);
}
}
#endif
}
/**
@ -101,7 +115,11 @@ static inline void delay_us(uint32_t us) {
}
void CIO::delay_rx() {
#if defined(BIDIR_DATA_PIN)
delay_us(290);
#else
delay_us(340);
#endif
}
void CIO::dlybit(void)
@ -163,16 +181,23 @@ void CIO::Init()
GPIO_Init(PORT_RXD, &GPIO_InitStruct);
// Pin TXD
// TXD is TxRxCLK of ADF7021, standard TX/RX data interface
GPIO_InitStruct.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStruct.GPIO_Pin = PIN_TXD;
#if defined(BIDIR_DATA_PIN)
GPIO_InitStruct.GPIO_Mode = GPIO_Mode_IN_FLOATING;
#else
GPIO_InitStruct.GPIO_Mode = GPIO_Mode_Out_PP;
#endif
GPIO_Init(PORT_TXD, &GPIO_InitStruct);
// Pin TXRX_CLK
#if !defined(BIDIR_DATA_PIN)
GPIO_InitStruct.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStruct.GPIO_Pin = PIN_TXRX_CLK;
GPIO_InitStruct.GPIO_Pin = PIN_CLKOUT;
GPIO_InitStruct.GPIO_Mode = GPIO_Mode_IN_FLOATING;
GPIO_Init(PORT_TXRX_CLK, &GPIO_InitStruct);
GPIO_Init(PORT_CLKOUT, &GPIO_InitStruct);
#endif
// Pin LED
GPIO_InitStruct.GPIO_Speed = GPIO_Speed_50MHz;
@ -222,30 +247,60 @@ void CIO::Init()
GPIO_InitStruct.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_Init(PORT_COS_LED, &GPIO_InitStruct);
#if defined(BIDIR_DATA_PIN)
// Connect EXTI3 Line
GPIO_EXTILineConfig(PORT_TXD_INT, PIN_TXD_INT);
// Configure EXTI3 line
EXTI_InitStructure.EXTI_Line = EXTI_Line3;
#else
// Connect EXTI15 Line
GPIO_EXTILineConfig(PORT_TXRX_CLK_INT, PIN_TXRX_CLK_INT);
GPIO_EXTILineConfig(PORT_CLKOUT_INT, PIN_CLKOUT_INT);
// Configure EXTI15 line
EXTI_InitStructure.EXTI_Line = EXTI_Line15;
#endif
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising;
EXTI_InitStructure.EXTI_LineCmd = ENABLE;
EXTI_Init(&EXTI_InitStructure);
}
void CIO::startInt()
{
NVIC_InitTypeDef NVIC_InitStructure;
#if defined(BIDIR_DATA_PIN)
// Enable and set EXTI3 Interrupt
NVIC_InitStructure.NVIC_IRQChannel = EXTI3_IRQn;
#else
// Enable and set EXTI15 Interrupt
NVIC_InitStructure.NVIC_IRQChannel = EXTI15_10_IRQn;
#endif
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
}
#if defined(BIDIR_DATA_PIN)
// RXD pin is bidirectional in standard interfaces
void CIO::Data_dir_out(bool dir)
{
GPIO_InitTypeDef GPIO_InitStruct;
GPIO_InitStruct.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStruct.GPIO_Pin = PIN_RXD;
if(dir)
GPIO_InitStruct.GPIO_Mode = GPIO_Mode_Out_PP;
else
GPIO_InitStruct.GPIO_Mode = GPIO_Mode_IN_FLOATING;
GPIO_Init(PORT_RXD, &GPIO_InitStruct);
}
#endif
void CIO::SCLK_pin(bool on)
{
GPIO_WriteBit(PORT_SCLK, PIN_SCLK, on ? Bit_SET : Bit_RESET);
@ -266,6 +321,13 @@ bool CIO::RXD_pin()
return GPIO_ReadInputDataBit(PORT_RXD, PIN_RXD) == Bit_SET;
}
#if defined(BIDIR_DATA_PIN)
void CIO::RXD_pin_write(bool on)
{
GPIO_WriteBit(PORT_RXD, PIN_RXD, on ? Bit_SET : Bit_RESET);
}
#endif
void CIO::TXD_pin(bool on)
{
GPIO_WriteBit(PORT_TXD, PIN_TXD, on ? Bit_SET : Bit_RESET);