From 02124362c4010e350313646f8a39bea2048fde13 Mon Sep 17 00:00:00 2001
From: elvis <elvisilde@gmail.com>
Date: Sat, 23 Mar 2019 19:17:31 +0100
Subject: [PATCH] [aldeeran] Added sp1, can1 and tim2 initialization
---
.../interfaces-impl/bsp.cpp | 130 ++++++++++++------
1 file changed, 87 insertions(+), 43 deletions(-)
diff --git a/miosix/arch/cortexM3_stm32/stm32f103c8_skyward_alderaan/interfaces-impl/bsp.cpp b/miosix/arch/cortexM3_stm32/stm32f103c8_skyward_alderaan/interfaces-impl/bsp.cpp
index 64125139..37a83e44 100644
--- a/miosix/arch/cortexM3_stm32/stm32f103c8_skyward_alderaan/interfaces-impl/bsp.cpp
+++ b/miosix/arch/cortexM3_stm32/stm32f103c8_skyward_alderaan/interfaces-impl/bsp.cpp
@@ -50,18 +50,80 @@
namespace miosix {
+/**
+ * Initilize SPI
+ */
+void initSPI1()
+{
+ using namespace interfaces;
+ // SPI1 intialization
+ spi1::cs::mode(Mode::OUTPUT);
+ spi1::cs::high();
+ spi1::sck::mode(Mode::ALTERNATE);
+ spi1::miso::mode(Mode::ALTERNATE);
+ spi1::mosi::mode(Mode::ALTERNATE);
+
+ RCC->APB2ENR |= RCC_APB2ENR_SPI1EN;
+ RCC_SYNC();
+
+ SPI1->CR1=SPI_CR1_SSM //No HW cs
+ | SPI_CR1_SSI
+ | SPI_CR1_SPE //SPI enabled
+ | SPI_CR1_BR_2 //SPI clock 24MHz / 32 = 750kHz
+ | SPI_CR1_MSTR;//Master mode
+}
+
+/**
+ * Initialize Canbus
+ */
+void initCAN1()
+{
+ using namespace interfaces;
+ // CAN1 initialization
+ can1::rx::mode(Mode::ALTERNATE);
+ can1::tx::mode(Mode::ALTERNATE);
+
+ RCC->APB1ENR |= RCC_APB1ENR_CAN1EN;
+
+ NVIC_SetPriority(CAN1_RX1_IRQn, 1);
+ NVIC_EnableIRQ(CAN1_RX1_IRQn);
+}
+
+/**
+ * Initialize hardware timer
+ */
+void initTIM2()
+{
+ using namespace interfaces;
+ // TIM2 initialization
+ RCC->APB1ENR |= RCC_APB1ENR_TIM2EN;
+
+ /* Clear the update event flag */
+ TIM2->SR = 0;
+ /* Clear the counter value */
+ TIM2->CNT = 0;
+ /* Prescaler and Reload set to maximum = overflow every 59.6523235555 sec*/
+ TIM2->PSC = 0xFFFF;
+ TIM2->ARR = 0xFFFF;
+ /* Enable Counter */
+ TIM2->CR1 |= TIM_CR1_CEN;
+
+ /* Configure Interupt */
+ TIM2->DIER |= TIM_DIER_UIE;
+ NVIC_SetPriority(TIM2_IRQn, 0);
+ NVIC_EnableIRQ(TIM2_IRQn);
+}
+
+
//
// Initialization
//
-
void IRQbspInit()
{
//Enable all gpios
RCC->APB2ENR |= RCC_APB2ENR_IOPAEN | RCC_APB2ENR_IOPBEN |
RCC_APB2ENR_IOPCEN | RCC_APB2ENR_IOPDEN |
RCC_APB2ENR_AFIOEN;
- RCC_SYNC();
-
// Actuator Pins Initialization
// Abort pin logic : 0 -> ABORT (burn fuse)
@@ -82,46 +144,28 @@ void IRQbspInit()
sparePin::mode(Mode::INPUT);
sparePin::high();
- // SPI1 intialization
- spi1::cs::mode(Mode::OUTPUT);
- spi1::cs::high();
- spi1::sck::mode(Mode::ALTERNATE);
- spi1::miso::mode(Mode::ALTERNATE);
- spi1::mosi::mode(Mode::ALTERNATE);
- RCC->APB2ENR |= RCC_APB2ENR_SPI1EN;
- SPI1->CR1=SPI_CR1_SSM //No HW cs
- | SPI_CR1_SSI
- | SPI_CR1_SPE //SPI enabled
- | SPI_CR1_BR_2 //SPI clock 24MHz / 32 = 750kHz
- | SPI_CR1_MSTR;//Master mode
-
- // UART1 initialization
- uart1::tx::mode(Mode::OUTPUT);
- uart1::rx::mode(Mode::INPUT);
-
- // CAN1 initialization
- can1::rx::mode(Mode::ALTERNATE);
- can1::tx::mode(Mode::ALTERNATE);
- RCC->APB1ENR |= RCC_APB1ENR_CAN1EN;
- RCC_SYNC();
-
- NVIC_SetPriority(CAN1_RX1_IRQn, 15);
- NVIC_EnableIRQ(CAN1_RX1_IRQn);
-
- #ifdef DEBUG
- _led::mode(Mode::OUTPUT_2MHz);
- ledOn();
- delayMs(100);
- ledOff();
- #endif
-
- DefaultConsole::instance().IRQset(intrusive_ref_ptr<Device>(
- #ifndef STDOUT_REDIRECTED_TO_DCC
- new STM32Serial(defaultSerial,defaultSerialSpeed,
- defaultSerialFlowctrl ? STM32Serial::RTSCTS : STM32Serial::NOFLOWCTRL)));
- #else //STDOUT_REDIRECTED_TO_DCC
- new ARMDCC();
- #endif //STDOUT_REDIRECTED_TO_DCC
+ initSPI1();
+ initCAN1();
+ initTIM2();
+
+ //#ifdef DEBUG
+ // UART1 initialization
+ uart1::tx::mode(Mode::OUTPUT);
+ uart1::rx::mode(Mode::INPUT);
+
+ _led::mode(Mode::OUTPUT_2MHz);
+ ledOn();
+ delayMs(100);
+ ledOff();
+
+ DefaultConsole::instance().IRQset(intrusive_ref_ptr<Device>(
+ #ifndef STDOUT_REDIRECTED_TO_DCC
+ new STM32Serial(defaultSerial,defaultSerialSpeed,
+ defaultSerialFlowctrl ? STM32Serial::RTSCTS : STM32Serial::NOFLOWCTRL)));
+ #else //STDOUT_REDIRECTED_TO_DCC
+ new ARMDCC();
+ #endif //STDOUT_REDIRECTED_TO_DCC
+ //#endif
}
void bspInit2()
--
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