From d9c8d851005f7ec60ec33ef93fb9d30a8b63c849 Mon Sep 17 00:00:00 2001
From: Fabian Arnold <fabi.arnold@ci4you.com>
Date: Tue, 22 May 2018 11:06:00 +0200
Subject: [PATCH] Added IRQ sample app for Button 2 on XMC4500
---
app/system/CMakeLists.txt | 7 ++
app/system/test_dispatch_complex.cc | 12 ++-
app/system/test_dispatch_complex.oil | 5 +
app/system/test_interrupt.cc | 76 +++++++++++++
app/system/test_interrupt.oil | 36 +++++++
arch/armv7/dispatch.cc | 2 +-
arch/armv7/gpio.h | 14 ++-
arch/armv7/platforms/xmc4500/CMakeLists.txt | 2 +
arch/armv7/platforms/xmc4500/boot.cc | 2 +-
arch/armv7/platforms/xmc4500/gpio_xmc4500.cc | 106 +++++++++++++------
arch/armv7/platforms/xmc4500/gpio_xmc4500.h | 42 --------
arch/armv7/platforms/xmc4500/machine_impl.cc | 9 --
12 files changed, 225 insertions(+), 88 deletions(-)
create mode 100644 app/system/test_interrupt.cc
create mode 100644 app/system/test_interrupt.oil
delete mode 100644 arch/armv7/platforms/xmc4500/gpio_xmc4500.h
diff --git a/app/system/CMakeLists.txt b/app/system/CMakeLists.txt
index 97e38ce0..a9d33bff 100644
--- a/app/system/CMakeLists.txt
+++ b/app/system/CMakeLists.txt
@@ -19,4 +19,11 @@ DOSEK_BINARY(
LIBS libtest timing
TEST_ISO
test_context_save.cc
+)
+DOSEK_BINARY(
+ NAME test_interrupt
+ SYSTEM_DESC test_interrupt.oil
+ LIBS libtest timing
+ TEST_ISO
+ test_interrupt.cc
)
\ No newline at end of file
diff --git a/app/system/test_dispatch_complex.cc b/app/system/test_dispatch_complex.cc
index 6495fec2..77753aea 100644
--- a/app/system/test_dispatch_complex.cc
+++ b/app/system/test_dispatch_complex.cc
@@ -18,21 +18,30 @@ DeclareTask(T2);
DeclareTask(T3);
DeclareEvent(E1);
+DeclareEvent(E2);
TEST_MAKE_OS_MAIN(StartOS(0));
TASK(T1) {
ActivateTask(T3);
+ for (int i = 0; i < 5; i++) {
+ kout << "T1 triggers E2" << endl;
+ SetEvent(T2, E2);
+ }
+ kout << "T1 finished execution" << endl;
TerminateTask();
}
TASK(T2) {
for (int i = 0; i < 5; i++) {
- kout << "T2 triggers E1 " << endl;
+ kout << "T2 triggers E1" << endl;
+ WaitEvent(E2);
+ ClearEvent(E2);
SetEvent(T3, E1);
}
+ kout << "T2 finished execution" << endl;
TerminateTask();
}
@@ -46,6 +55,7 @@ TASK(T3) {
WaitEvent(E1);
ClearEvent(E1);
}
+ kout << "T3 finished execution" << endl;
TerminateTask();
}
diff --git a/app/system/test_dispatch_complex.oil b/app/system/test_dispatch_complex.oil
index 575f29b8..84167774 100644
--- a/app/system/test_dispatch_complex.oil
+++ b/app/system/test_dispatch_complex.oil
@@ -20,6 +20,7 @@ CPU TestSystem {
PRIORITY = 2;
ACTIVATION = 1;
AUTOSTART = FALSE;
+ EVENT = E2;
};
TASK T3 {
@@ -34,5 +35,9 @@ CPU TestSystem {
MASK = AUTO;
};
+ EVENT E2 {
+ MASK = AUTO;
+ };
+
};
diff --git a/app/system/test_interrupt.cc b/app/system/test_interrupt.cc
new file mode 100644
index 00000000..ec4ce23d
--- /dev/null
+++ b/app/system/test_interrupt.cc
@@ -0,0 +1,76 @@
+/**
+ * @defgroup apps Applications
+ * @brief The applications...
+ */
+
+/**
+ * @file
+ * @ingroup apps
+ * @brief Just a simple test application
+ */
+#include <arch/armv7/gpio.h>
+#include <arch/armv7/syscall.h>
+#include "os.h"
+#include "test/test.h"
+#include "machine.h"
+#include "os/timing.h"
+
+DeclareTask(T1);
+DeclareTask(T2);
+
+DeclareEvent(E1);
+
+TEST_MAKE_OS_MAIN(StartOS(0));
+
+
+volatile int val1;
+volatile int val2;
+
+#define PORT0_BASE 0x48028100UL
+
+GPIO_Port gpioPort;
+
+int button_count = 0;
+
+extern "C" void configure_gpio_irq() {
+ // enable irqs on button 2 of the xmc4500 board
+ gpioPort.init(reinterpret_cast<void *>(PORT0_BASE), 15, true);
+ gpioPort.enable_input_irq(15);
+}
+
+TASK(T1) {
+ arch::syscall(configure_gpio_irq);
+ kout << "GPIO init successfull" << endl;
+
+ ActivateTask(T2);
+ while (true) {
+ WaitEvent(E1);
+ ClearEvent(E1);
+ kout << "Event processed: " << ++button_count << endl;
+ }
+
+
+ TerminateTask();
+
+}
+
+
+ISR2(ISR1) {
+ kout << "isr running" << endl;
+ SetEvent(T1, E1);
+}
+
+
+TASK(T2) {
+ while (true) {
+
+ }
+ TerminateTask();
+}
+
+
+void PreIdleHook() {
+ /* Dump and Shutdown */
+ timing_dump();
+ ShutdownMachine();
+}
diff --git a/app/system/test_interrupt.oil b/app/system/test_interrupt.oil
new file mode 100644
index 00000000..41f19e76
--- /dev/null
+++ b/app/system/test_interrupt.oil
@@ -0,0 +1,36 @@
+CPU TestSystem {
+ OS TestSystem {
+ STATUS = STANDARD;
+ ERRORHOOK = FALSE;
+ STARTUPHOOK = FALSE;
+ SHUTDOWNHOOK = FALSE;
+ PRETASKHOOK = FALSE;
+ POSTTASKHOOK = FALSE;
+ };
+
+ TASK T1 {
+ SCHEDULE = FULL;
+ PRIORITY = 4;
+ ACTIVATION = 1;
+ AUTOSTART = TRUE;
+ EVENT = E1;
+ };
+
+ TASK T2 {
+ SCHEDULE = FULL;
+ PRIORITY = 3;
+ ACTIVATION = 1;
+ AUTOSTART = FALSE;
+ };
+
+ ISR ISR1 {
+ CATEGORY = 2;
+ DEVICE = 5;
+ PRIORITY = 1337;
+ };
+
+ EVENT E1 {
+ MASK = AUTO;
+ };
+};
+
diff --git a/arch/armv7/dispatch.cc b/arch/armv7/dispatch.cc
index 5513394c..23e12381 100644
--- a/arch/armv7/dispatch.cc
+++ b/arch/armv7/dispatch.cc
@@ -33,7 +33,7 @@ namespace arch {
// save context
asm volatile (
"mrs r0, msp \n" // store the msp in r0
- "mrs r1, psp \n" // store the psp in r0
+ "mrs r1, psp \n" // store the psp in r1
"cmp r1, #0 \n" // check if the psp is 0
"itt ne \n" // next 2 lines are conditional executed
"mrsne r12, psp \n" // move program stack pointer to r12
diff --git a/arch/armv7/gpio.h b/arch/armv7/gpio.h
index b075d9fb..9758d775 100644
--- a/arch/armv7/gpio.h
+++ b/arch/armv7/gpio.h
@@ -8,11 +8,17 @@
#include <stdint.h>
class GPIO_Port {
+ void* m_port;
+public:
+ void init(void *port, uint8_t pin, bool input);
- virtual void init(uint8_t pin) = 0;
- virtual void setHigh(uint8_t pin)= 0;
- virtual void setLow(uint8_t pin)= 0;
- virtual void toggle(uint8_t pin)= 0;
+ void setHigh(uint8_t pin);
+
+ void setLow(uint8_t pin);
+
+ void toggle(uint8_t pin);
+
+ void enable_input_irq(uint8_t pin);
};
diff --git a/arch/armv7/platforms/xmc4500/CMakeLists.txt b/arch/armv7/platforms/xmc4500/CMakeLists.txt
index 9a8823a3..c46a520b 100644
--- a/arch/armv7/platforms/xmc4500/CMakeLists.txt
+++ b/arch/armv7/platforms/xmc4500/CMakeLists.txt
@@ -43,6 +43,8 @@ set(SRCS ${SRCS}
${CMAKE_CURRENT_SOURCE_DIR}/gpio_xmc4500.cc
${CMAKE_CURRENT_SOURCE_DIR}/libs/CMSIS/Infineon/XMC4500_series/Source/system_XMC4500.c
${CMAKE_CURRENT_SOURCE_DIR}/libs/XMCLib/src/xmc4_gpio.c
+ ${CMAKE_CURRENT_SOURCE_DIR}/libs/XMCLib/src/xmc4_eru.c
+ ${CMAKE_CURRENT_SOURCE_DIR}/libs/XMCLib/src/xmc_eru.c
${CMAKE_CURRENT_SOURCE_DIR}/libs/XMCLib/src/xmc4_scu.c
${CMAKE_CURRENT_SOURCE_DIR}/libs/XMCLib/src/xmc_usbd.c
${LIB_USB_CDC}
diff --git a/arch/armv7/platforms/xmc4500/boot.cc b/arch/armv7/platforms/xmc4500/boot.cc
index fd324872..cd1a55fb 100644
--- a/arch/armv7/platforms/xmc4500/boot.cc
+++ b/arch/armv7/platforms/xmc4500/boot.cc
@@ -1,5 +1,5 @@
#include <arch/arm/output.h>
-#include <arch/armv7/platforms/xmc4500/gpio_xmc4500.h>
+#include <arch/armv7/gpio.h>
#include <arch/armv7/machine.h>
#include "XMC4500.h"
#include "stddef.h"
diff --git a/arch/armv7/platforms/xmc4500/gpio_xmc4500.cc b/arch/armv7/platforms/xmc4500/gpio_xmc4500.cc
index c8b86b84..2d6020f0 100644
--- a/arch/armv7/platforms/xmc4500/gpio_xmc4500.cc
+++ b/arch/armv7/platforms/xmc4500/gpio_xmc4500.cc
@@ -2,60 +2,106 @@
// Created by fabian on 05.01.18.
//
-#include "gpio_xmc4500.h"
+#include <platform.h>
+#include <arch/armv7/output.h>
+#include <arch/armv7/gpio.h>
+#include <arch/armv7/platforms/xmc4500/libs/XMCLib/inc/xmc_gpio.h>
+#include <arch/armv7/platforms/xmc4500/libs/XMCLib/inc/xmc4_gpio.h>
+#include <arch/armv7/platforms/xmc4500/libs/XMCLib/inc/xmc_eru.h>
#define PORT_IOCR_PC_Size (8U)
#define PORT_PDR_Size (4U)
-XMC4500_GPIO_Port::XMC4500_GPIO_Port(XMC_GPIO_PORT_t *const port) : m_port(port) {
+#define PORT (static_cast<XMC_GPIO_PORT_t *const>(this->m_port))
-}
-
-void XMC4500_GPIO_Port::init(uint8_t pin) {
-
- /* Switch to input */
- this->m_port->IOCR[pin >> 2U] &= (uint32_t) ~(PORT0_IOCR0_PC0_Msk << (PORT_IOCR_PC_Size * (pin & 0x3U)));
-
- /* HW port control is disabled */
- this->m_port->HWSEL &= ~(uint32_t) ((uint32_t) PORT0_HWSEL_HW0_Msk << ((uint32_t) pin << 1U));
+XMC_GPIO_MODE_t m_outputMode = XMC_GPIO_MODE_OUTPUT_PUSH_PULL;
+XMC_GPIO_OUTPUT_STRENGTH_t m_outputStrength = XMC_GPIO_OUTPUT_STRENGTH_STRONG_SHARP_EDGE;
+void GPIO_Port::init(void *port, uint8_t pin, bool input) {
+ this->m_port = port;
+ if (!input) {
+ /* Switch to input */
+ PORT->IOCR[pin >> 2U] &= (uint32_t) ~(PORT0_IOCR0_PC0_Msk << (PORT_IOCR_PC_Size * (pin & 0x3U)));
+ /* HW port control is disabled */
+ PORT->HWSEL &= ~(uint32_t) ((uint32_t) PORT0_HWSEL_HW0_Msk << ((uint32_t) pin << 1U));
- /* Set output level */
- this->m_port->OMR = (uint32_t) XMC_GPIO_OUTPUT_LEVEL_LOW << pin;
- /* Set output driver strength */
- this->m_port->PDR[pin >> 3U] &= (uint32_t) ~(PORT0_PDR0_PD0_Msk
- << ((uint32_t) PORT_PDR_Size * ((uint32_t) pin & 0x7U)));
- this->m_port->PDR[pin >> 3U] |=
- (uint32_t) this->m_outputStrength << ((uint32_t) PORT_PDR_Size * ((uint32_t) pin & 0x7U));
+ /* Set output level */
+ PORT->OMR = (uint32_t) XMC_GPIO_OUTPUT_LEVEL_LOW << pin;
+ /* Set output driver strength */
+ PORT->PDR[pin >> 3U] &= (uint32_t) ~(PORT0_PDR0_PD0_Msk
+ << ((uint32_t) PORT_PDR_Size * ((uint32_t) pin & 0x7U)));
+ PORT->PDR[pin >> 3U] |=
+ (uint32_t) m_outputStrength << ((uint32_t) PORT_PDR_Size * ((uint32_t) pin & 0x7U));
- /* Set mode */
- this->m_port->IOCR[pin >> 2U] |=
- (uint32_t) this->m_outputMode << ((uint32_t) PORT_IOCR_PC_Size * ((uint32_t) pin & 0x3U));
+ /* Set mode */
+ PORT->IOCR[pin >> 2U] |=
+ (uint32_t) m_outputMode << ((uint32_t) PORT_IOCR_PC_Size * ((uint32_t) pin & 0x3U));
+ }
}
-void XMC4500_GPIO_Port::setOuput(uint8_t pin, XMC_GPIO_OUTPUT_LEVEL_t level) {
- this->m_port->OMR = (uint32_t) level << pin;
+void GPIO_Port::setHigh(uint8_t pin) {
+ PORT->OMR = (uint32_t) XMC_GPIO_OUTPUT_LEVEL_HIGH << pin;
}
-void XMC4500_GPIO_Port::setHigh(uint8_t pin) {
- setOuput(pin, XMC_GPIO_OUTPUT_LEVEL_HIGH);
+void GPIO_Port::setLow(uint8_t pin) {
+ PORT->OMR = (uint32_t) XMC_GPIO_OUTPUT_LEVEL_LOW << pin;
}
-void XMC4500_GPIO_Port::setLow(uint8_t pin) {
- setOuput(pin, XMC_GPIO_OUTPUT_LEVEL_LOW);
+void GPIO_Port::toggle(uint8_t pin) {
+ PORT->OMR = 0x10001U << pin;
}
-void XMC4500_GPIO_Port::toggle(uint8_t pin) {
- this->m_port->OMR = 0x10001U << pin;
+void GPIO_Port::enable_input_irq(uint8_t pin) {
+
+ if (this->m_port == reinterpret_cast<XMC_GPIO_PORT_t *const>(PORT1_BASE)) {
+ // Ereignis-Quelle konfigurieren
+ XMC_ERU_ETL_CONFIG_t eruInit;
+ // Initialisierungsstruktur aufräumen
+ memset(&eruInit, 0, sizeof(XMC_ERU_ETL_CONFIG_t));
+
+ // Eingabekanal und PIN laut Matrix festlegen
+ if(pin == 15) {
+ eruInit.input_a = ERU1_ETL1_INPUTA_P1_15;
+ }else{
+ kout << "i don't know how to enable interrupts on this pin" << endl;
+ }
+
+ // Triggerlogik festlegen
+ eruInit.edge_detection = XMC_ERU_ETL_EDGE_DETECTION_FALLING;
+ // Triggerausgabe erlauben
+ eruInit.enable_output_trigger = true;
+ // Triggerausgabe-Ziel festlegen
+ eruInit.output_trigger_channel = XMC_ERU_ETL_OUTPUT_TRIGGER_CHANNEL0;
+
+ // Ereignis Ziel konfigurieren
+ XMC_ERU_OGU_CONFIG_t oguInit;
+ // Initialisierungsstruktur aufräumen
+ memset(&oguInit, 0, sizeof(XMC_ERU_OGU_CONFIG_t));
+ // Interrupt erlauben
+ oguInit.service_request = true;
+
+ // ERU Eingangsseite Konfigurieren
+ XMC_ERU_ETL_Init(ERU1_ETL1, &eruInit);
+ // ERU Ausgangsseite Konfigurieren
+ XMC_ERU_OGU_Init(ERU1_OGU0, &oguInit);
+
+ NVIC_SetPriority(ERU1_0_IRQn, NVIC_EncodePriority(NVIC_GetPriorityGrouping(), 63, 0));
+
+ NVIC_EnableIRQ(ERU1_0_IRQn);
+
+ PORT1_BASE;
+ } else {
+ kout << "i don't know how to enable this interrupt" << endl;
+ }
}
//
//XMC4500_GPIO_Port GPIO_PORT0((XMC_GPIO_PORT_t *) PORT0_BASE);
-XMC4500_GPIO_Port GPIO_PORT1((XMC_GPIO_PORT_t *) PORT1_BASE);
+// GPIO_Port GPIO_PORT1;
//XMC4500_GPIO_Port GPIO_PORT2((XMC_GPIO_PORT_t *) PORT2_BASE);
//XMC4500_GPIO_Port GPIO_PORT3((XMC_GPIO_PORT_t *) PORT3_BASE);
//XMC4500_GPIO_Port GPIO_PORT4((XMC_GPIO_PORT_t *) PORT4_BASE);
diff --git a/arch/armv7/platforms/xmc4500/gpio_xmc4500.h b/arch/armv7/platforms/xmc4500/gpio_xmc4500.h
deleted file mode 100644
index fe65c91a..00000000
--- a/arch/armv7/platforms/xmc4500/gpio_xmc4500.h
+++ /dev/null
@@ -1,42 +0,0 @@
-//
-// Created by fabian on 05.01.18.
-//
-
-#ifndef DOSEK_GPIO_XMC4500_H
-#define DOSEK_GPIO_XMC4500_H
-
-#include <platform.h>
-#include <xmc_common.h>
-#include <xmc_gpio.h>
-#include <arch/armv7/gpio.h>
-
-class XMC4500_GPIO_Port : public GPIO_Port {
-private:
- XMC_GPIO_MODE_t m_outputMode = XMC_GPIO_MODE_OUTPUT_PUSH_PULL;
- XMC_GPIO_OUTPUT_STRENGTH_t m_outputStrength = XMC_GPIO_OUTPUT_STRENGTH_STRONG_SHARP_EDGE;
-
- XMC_GPIO_PORT_t *const m_port;
- void setOuput(uint8_t pin, XMC_GPIO_OUTPUT_LEVEL_t level);
-
-public:
- explicit XMC4500_GPIO_Port(XMC_GPIO_PORT_t *const m_port);
-
- void init(uint8_t pin) override;
-
- void setHigh(uint8_t pin) override;
-
- void setLow(uint8_t pin) override;
-
- void toggle(uint8_t pin) override;
-
-};
-//
-//extern XMC4500_GPIO_Port GPIO_PORT0;
-extern XMC4500_GPIO_Port GPIO_PORT1;
-//extern XMC4500_GPIO_Port GPIO_PORT2;
-//extern XMC4500_GPIO_Port GPIO_PORT3;
-//extern XMC4500_GPIO_Port GPIO_PORT4;
-//extern XMC4500_GPIO_Port GPIO_PORT5;
-//extern XMC4500_GPIO_Port GPIO_PORT6;
-
-#endif //DOSEK_GPIO_H_H
diff --git a/arch/armv7/platforms/xmc4500/machine_impl.cc b/arch/armv7/platforms/xmc4500/machine_impl.cc
index 1a2396c7..939f82e1 100644
--- a/arch/armv7/platforms/xmc4500/machine_impl.cc
+++ b/arch/armv7/platforms/xmc4500/machine_impl.cc
@@ -3,19 +3,10 @@
#include "nvic.h"
#include "machine.h"
-#include "gpio_xmc4500.h"
void Machine::reset(void) {
kout << "Reset called" << endl;
-
- // Flash light before reset
- GPIO_PORT1.init(0);
- GPIO_PORT1.setHigh(0);
- for(volatile int i = 0; i < 1000000; ++i);
- GPIO_PORT1.setLow(0);
- for(volatile int i = 0; i < 1000000; ++i);
-
NVIC_SystemReset();
}
--
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