vscode: Add devcontainer

Signed-off-by: Thomas Klaehn <thomas.klaehn@perinet.io>

.devcontainer/Dockerfile

@@ -0,0 +1,38 @@
+FROM debian:stable-slim
+
+LABEL maintainer="thomas.klaehn@perinet.io"
+
+# Enable contrip section for "repo"
+# RUN sed -i -e 's/.main$/ main contrib/' /etc/apt/sources.list
+
+RUN export DEBIAN_FRONTEND=noninteractive && apt-get update && apt-get -y install --no-install-recommends   \
+    binutils-arm-none-eabi          \
+    gcc-arm-none-eabi               \
+    gdb-multiarch                   \
+    git                             \
+    libstdc++-arm-none-eabi-dev     \
+    libstdc++-arm-none-eabi-newlib  \
+    make                            \
+    openocd
+
+# Set UTF8 locale settings
+# RUN apt-get install -yq locales && \
+# 	locale-gen en_US.UTF-8 && \
+# 	sed -i -e 's/# en_US.UTF-8 UTF-8/en_US.UTF-8 UTF-8/' /etc/locale.gen && \
+# 	dpkg-reconfigure --frontend=noninteractive locales && \
+# 	update-locale LANG=en_US.UTF-8
+
+# ENV LANG en_US.UTF-8
+
+# RUN useradd -ms /bin/bash builder
+# RUN echo "builder:builder" | chpasswd
+
+# ADD init.sh /usr/local/bin/init.sh
+
+# WORKDIR = /work
+
+# ENTRYPOINT ["/usr/local/bin/init.sh"]
+RUN mkdir /workspaces
+VOLUME /workspaces
+WORKDIR /workspaces/
+CMD ["/bin/bash"]

.devcontainer/devcontainer.json

@@ -0,0 +1,48 @@
+// For format details, see https://aka.ms/devcontainer.json. For config options, see the
+// README at: https://github.com/devcontainers/templates/tree/main/src/typescript-node
+{
+	"name": "arm-none-eabi-cpp",
+	// Or use a Dockerfile or Docker Compose file. More info: https://containers.dev/guide/dockerfile
+	"build": { "dockerfile": "Dockerfile" },
+
+	// Privileged container in order to access /dev
+	"privileged": true,
+
+	// Mount USB devices (debug probes, UART interfaces, ...)
+	"mounts": [
+		"source=/dev/bus/usb/,target=/dev/bus/usb/,type=bind"
+	],
+	// Features to add to the dev container. More info: https://containers.dev/features.
+	// "features": {},
+
+	// Use 'forwardPorts' to make a list of ports inside the container available locally.
+	// "forwardPorts": [],
+
+	// Use 'postCreateCommand' to run commands after the container is created.
+	// "postCreateCommand": "sudo apt update && sudo apt install -y openocd && sudo apt install -y gdb-multiarch",
+
+	// Configure tool-specific properties.
+	"customizations": {
+		"vscode": {
+			"extensions": [
+				"ms-vscode.cpptools",
+				"ms-vscode.cpptools-extension-pack",
+				"marus25.cortex-debug",
+				"zoma.vscode-auto-open-workspace"
+			],
+			// default settings, can be overwritten in .vscode/settings.conf
+			"settings": {
+				"terminal.integrated.defaultProfile.linux.shell": "/bin/bash",
+				"autoOpenWorkspace.enableAutoOpenIfSingleWorkspace": true,
+				"autoOpenWorkspace.enableAutoOpenAlwaysFirst": true,
+				"files.exclude": {
+					"**/.git": true,
+					"**/.repo": true
+				}
+			}
+		}
+	}
+
+	// Uncomment to connect as root instead. More info: https://aka.ms/dev-containers-non-root.
+	// "remoteUser": "root"
+}

.gitignore

@@ -1 +1 @@
-_build/
+build/

.vscode/launch.json

@@ -1,34 +1,24 @@
 {
-    // Use IntelliSense to learn about possible attributes.
-    // Hover to view descriptions of existing attributes.
-    // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
     "version": "0.2.0",
     "configurations": [
         {
             "name": "gdb Launch Debug",
             "type": "cppdbg",
             "request": "launch",
-            "program": "${workspaceFolder}/_build/firmware.elf",
+            "args": [],
-            "args": [
+            "program": "${workspaceFolder}/build/firmware.elf",
-                "-d","${workspaceFolder}/Core/Src",
-                "-d","${workspaceFolder}/Core/Startup",
-                "-d","${workspaceFolder}/Core/Drivers",
-                ],
             "stopAtEntry": true,
             "cwd": "${workspaceRoot}",
             "environment": [],
             "externalConsole": false,
             "MIMode": "gdb",
-            "miDebuggerPath": "/usr/bin/arm-none-eabi-gdb",
+            "miDebuggerPath": "gdb-multiarch",
             "debugServerPath": "openocd",
-            "debugServerArgs": "-f /usr/local/share/openocd/scripts/interface/stlink.cfg -f /usr/local/share/openocd/scripts/target/stm32g0x.cfg",
+            "debugServerArgs": "-f ${workspaceRoot}/openocd.cfg",
             "serverLaunchTimeout": 20000,
             "filterStderr": true,
             "filterStdout": false,
             "serverStarted": "Info : Listening on port 3333 for gdb connections",
-            // "sourceFileMap": {
-            //     "/work/":"${workspaceFolder}"
-            // },
             "sourceFileMap": {
                 "${workspaceRoot}":"${workspaceFolder}"
             },
@@ -53,7 +43,7 @@
                 },
                 {
                     "description": "Load executable into debugger.",
-                    "text": "file ${workspaceFolder}/_build/firmware.elf",
+                    "text": "file ${workspaceFolder}/build/firmware.elf",
                     "ignoreFailures": false
                 },
                 {
@@ -61,7 +51,7 @@
                     "text": "load",
                     "ignoreFailures": false
                 }
-             ]
+            ]
-        },
+        }
     ]
-}
+}

.vscode/tasks.json

@@ -2,9 +2,8 @@
     "version": "2.0.0",
     "options": {
         "env": {
-            // "APPLICATION": "blinky",
+            "SOC": "stm32g031",
-            // "APPLICATION": "spi",
+            // "SOC": "stm32g071",
-            // "APPLICATION": "st7789_lcd",
         },
     },
     "presentation": {
@@ -31,23 +30,6 @@
                 "isDefault": true
             }
         },
-        {
-            "label": "flash",
-            "type":"shell",
-            "command": "make flash",
-            "problemMatcher": {
-                "base": "$gcc",
-                "owner": "gcc",
-                "fileLocation": [
-                    "relative",
-                    "${workspaceFolder}"
-                ]
-            },
-            "group": {
-                "kind": "build",
-                "isDefault": true
-            }
-        },
         {
             "label": "clean",
             "type":"shell",
@@ -64,40 +46,6 @@
                 "kind": "build",
                 "isDefault": true
             }
-        },
-        {
-            "label": "distclean",
-            "type":"shell",
-            "command": "make distclean",
-            "problemMatcher": {
-                "base": "$gcc",
-                "owner": "gcc",
-                "fileLocation": [
-                    "relative",
-                    "${workspaceFolder}"
-                ]
-            },
-            "group": {
-                "kind": "build",
-                "isDefault": true
-            }
-        },
-        {
-            "label": "check",
-            "type":"shell",
-            "command": "make check",
-            "problemMatcher": {
-                "base": "$gcc",
-                "owner": "gcc",
-                "fileLocation": [
-                    "relative",
-                    "${workspaceFolder}"
-                ]
-            },
-            "group": {
-                "kind": "build",
-                "isDefault": true
-            }
         }
     ]
 }

Core/main.cc

@@ -1,63 +0,0 @@
-#include <cstring>
-#include <cstdint>
-#include <cstdio>
-
-#include "delay.h"
-#include "platform/stm32g0xx/Gpio.h"
-#include "platform/stm32g0xx/Uart.h"
-#include "platform/stm32g0xx/IndependentWatchdog.h"
-
-// NOTE! The independent watchdog is clocked by a separate clock. this one
-//       isn't controlled by JTAG. That's why the independent watchdog needs to
-//       be disabled during JTAG debug sessions.
-#define JTAG_DEBUG
-
-using namespace perinet::platform::stm32g0xx;
-
-Gpio green_led(Gpio::Port::PORT_A, 5, Gpio::Mode::MODE_OUTPUT_PP);
-Uart uart(Uart::UartDevice::UART_2, 115200);
-
-#ifndef JTAG_DEBUG
-IndependentWatchdog watchdog(4095, 4095);
-#endif
-
-int main(void)
-{
-    unsigned int i = 1, j = 40;
-    char tx_buf[80];
-
-#ifndef JTAG_DEBUG
-    watchdog.enable();
-#endif
-
-    while (1) {
-        if (j < 100) {
-            j += 10;
-        }
-        else if (j < 200) {
-            j += 20;
-        }
-        else if (j < 400) {
-            j += 40;
-        }
-        if (j > 800) {
-            j = 800;
-        }
-        sprintf(tx_buf, "%u: Hello World\r\n", i++);
-        uart.sync_send((const uint8_t *)tx_buf, strlen(tx_buf));
-        green_led.toggle();
-        delay_ms(j);
-
-#ifndef JTAG_DEBUG
-        watchdog.trigger();
-#endif
-    }
-}
-
-#ifdef  USE_FULL_ASSERT
-void assert_failed(uint8_t *file, uint32_t line)
-{
-    /* User can add his own implementation to report the file name and line number,
-       ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
-}
-#endif /* USE_FULL_ASSERT */

Makefile

@@ -3,22 +3,12 @@ TARGET = firmware
 DEBUG = 1
 OPT = -O0
 
-BUILD_DIR = _build
+BUILD_DIR = build
 
-CC_SOURCES = \
+SRC_DIRS := $(shell find src -type d)
-Core/main.cc \
+CC_SOURCES = $(foreach folder, $(SRC_DIRS), $(wildcard $(folder)/*.cc))
-platform/stm32g0xx/Gpio.cc \
+C_SOURCES = $(foreach folder, $(SRC_DIRS), $(wildcard $(folder)/*.c))
-platform/stm32g0xx/Uart.cc \
+ASM_SOURCES = $(foreach folder, $(SRC_DIRS), $(wildcard $(folder)/*.s))
-platform/stm32g0xx/IndependentWatchdog.cc \
-platform/stm32g0xx/low_level_interrupt.cc
-
-C_SOURCES = \
-platform/stm32g0xx/system_stm32g0xx.c \
-platform/stm32g0xx/syscalls.c \
-platform/stm32g0xx/sysmem.c \
-
-ASM_SOURCES = \
-platform/stm32g0xx/startup_stm32g071rbtx.s
 
 PREFIX = arm-none-eabi-
 CC = $(PREFIX)gcc
@@ -33,18 +23,11 @@ BIN = $(CP) -O binary -S
 CPU = -mcpu=cortex-m0plus
 MCU = $(CPU) -mthumb $(FPU) $(FLOAT-ABI)
 
-C_DEFS = \
+C_DEFS = -DSTM32G031xx
--DSTM32G071xx
+LDSCRIPT = src/platform/stm32g0xx/STM32G031Y8YX_FLASH.ld
-
-C_INCLUDES = \
--I. \
--ICore \
--Iarch/CMSIS/Device/ST/STM32G0xx/Include \
--Iarch/CMSIS/Include \
--Iplatform/stm32g0xx
 
 ASFLAGS = $(MCU) $(AS_DEFS) $(AS_INCLUDES) $(OPT) -Wall -fdata-sections -ffunction-sections
-CFLAGS = $(MCU) $(C_DEFS) $(C_INCLUDES) $(OPT) -Wall -fdata-sections -ffunction-sections
+CFLAGS = $(MCU) $(C_DEFS) $(addprefix -I,$(SRC_DIRS)) $(OPT) -Wall -fdata-sections -ffunction-sections
 
 ifeq ($(DEBUG), 1)
 CFLAGS += -ggdb3
@@ -52,8 +35,6 @@ endif
 
 CFLAGS += -MMD -MP -MF"$(@:%.o=%.d)"
 
-LDSCRIPT = platform/stm32g0xx/STM32G071RBTX_FLASH.ld
-
 LIBS = -lc -lm -lnosys
 LIBDIR =
 LDFLAGS = $(MCU) -specs=nano.specs -T$(LDSCRIPT) $(LIBDIR) $(LIBS) -Wl,-Map=$(BUILD_DIR)/$(TARGET).map,--cref -Wl,--gc-sections
@@ -78,7 +59,7 @@ $(BUILD_DIR)/%.o: %.c Makefile | $(BUILD_DIR)
 $(BUILD_DIR)/%.o: %.s Makefile | $(BUILD_DIR)
 	$(AS) -c $(CFLAGS) $< -o $@
 
-$(BUILD_DIR)/$(TARGET).elf: $(OBJECTS) Makefile
+$(BUILD_DIR)/$(TARGET).elf: $(OBJECTS) | Makefile
 	$(CXX) $(OBJECTS) $(LDFLAGS) -o $@
 	$(SZ) $@
 

openocd.cfg

@@ -0,0 +1,2 @@
+source [find interface/stlink.cfg]
+source [find target/stm32g0x.cfg]

src/main.cc

@@ -0,0 +1,29 @@
+#include <cstring>
+#include <cstdint>
+#include <cstdio>
+
+#include "delay.h"
+#include "platform/stm32g0xx/Gpio.h"
+#include "platform/stm32g0xx/Uart.h"
+
+
+using namespace perinet::platform::stm32g0xx;
+
+Uart uart1(Uart::UartDevice::UART_1, 115200);
+Uart uart2(Uart::UartDevice::UART_2, 115200);
+
+int main(void)
+{
+    char tx_buf[] = "\r\rProgram: UART bridge\r\n\n Receive on uart2 and transmit it on uart 1\r\n";
+    uint8_t rec;
+    uart1.sync_send((const uint8_t *)tx_buf, strlen(tx_buf));
+
+    while(true) {
+        if(uart2.sync_receive(&rec)) {
+            uart1.sync_send(&rec, 1);
+        }
+        if(uart1.sync_receive(&rec)) {
+            uart2.sync_send(&rec, 1);
+        }
+    }
+}

src/platform/stm32g0xx/Gpio.h

@@ -3,7 +3,7 @@
 
 #include <cstdint>
 
-#include "stm32g071xx.h"
+#include "stm32g0xx.h"
 
 namespace perinet::platform::stm32g0xx {
 

src/platform/stm32g0xx/STM32G031Y8YX_FLASH.ld

@@ -2,9 +2,9 @@
  ******************************************************************************
  * @file      LinkerScript.ld
  * @author    Auto-generated by STM32CubeIDE
- *  Abstract    : Linker script for NUCLEO-G071RB Board embedding STM32G071RBTx Device from stm32g0 series
+ * @brief     Linker script for STM32G031Y8Yx Device from STM32G0 series
- *                      128Kbytes FLASH
+ *                      64Kbytes FLASH
- *                      36Kbytes RAM
+ *                      8Kbytes RAM
  *
  *            Set heap size, stack size and stack location according
  *            to application requirements.
@@ -36,8 +36,8 @@ _Min_Stack_Size = 0x400 ;	/* required amount of stack */
 /* Memories definition */
 MEMORY
 {
-  RAM    (xrw)    : ORIGIN = 0x20000000,   LENGTH = 36K
+  RAM    (xrw)    : ORIGIN = 0x20000000,   LENGTH = 8K
-  FLASH    (rx)    : ORIGIN = 0x8000000,   LENGTH = 128K
+  FLASH    (rx)    : ORIGIN = 0x8000000,   LENGTH = 64K
 }
 
 /* Sections */

src/platform/stm32g0xx/Uart.cc

@@ -6,47 +6,41 @@ using namespace perinet::platform::stm32g0xx;
 Uart::Uart(UartDevice device, uint32_t baud_rate)
 {
     uint32_t tx_pin = 2;
-    uint32_t rx_pin = 3;
+    uint32_t rx_pin = 15;
     Gpio::Port port = Gpio::Port::PORT_A;
+    Gpio::AlternateFunction alt_func = Gpio::AlternateFunction::ALTERNATE_FUNCTION_0;
     switch(device) {
+        case UartDevice::UART_1:
+            uart = USART1;
+            RCC->APBENR2 |= RCC_APBENR2_USART1EN;
+            tx_pin = 6;
+            rx_pin = 7;
+            port = Gpio::Port::PORT_B;
+            break;
+
         case UartDevice::UART_2:
-            this->uart = USART2;
+            uart = USART2;
             RCC->APBENR1 |= RCC_APBENR1_USART2EN;
-            break;
+            alt_func = Gpio::AlternateFunction::ALTERNATE_FUNCTION_1;
-
-        case UartDevice::UART_3:
-            this->uart = USART3;
-            RCC->APBENR1 |= RCC_APBENR1_USART3EN;
-
-            // FIXME: Set pin confing accordingly
-            break;
-
-        case UartDevice::UART_4:
-            this->uart = USART4;
-            RCC->APBENR1 |= RCC_APBENR1_USART4EN;
-
-            // FIXME: Set pin confing accordingly
             break;
     }
 
-    Gpio tx_gpio(port, tx_pin, Gpio::Mode::MODE_AF_PP, Gpio::Pullup::PULLUP,
+    Gpio tx_gpio(port, tx_pin, Gpio::Mode::MODE_AF_PP, Gpio::Pullup::PULLUP, alt_func);
-                 Gpio::AlternateFunction::ALTERNATE_FUNCTION_1);
+    Gpio rx_gpio(port, rx_pin, Gpio::Mode::MODE_AF_PP, Gpio::Pullup::PULLUP, alt_func);
-    Gpio rx_gpio(port, rx_pin, Gpio::Mode::MODE_AF_PP, Gpio::Pullup::PULLUP,
-                 Gpio::AlternateFunction::ALTERNATE_FUNCTION_1);
 
     // Disable UART
-    this->uart->CR1 &= ~USART_CR1_UE;
+    uart->CR1 &= ~USART_CR1_UE;
 
     // USART CR1 Configuration
-    uint32_t tmp = this->uart->CR1;
+    uint32_t tmp = uart->CR1;
     tmp &= ~((USART_CR1_M | USART_CR1_PCE | USART_CR1_PS | USART_CR1_TE | USART_CR1_RE | USART_CR1_OVER8| USART_CR1_FIFOEN));
     tmp |= (USART_CR1_TE | USART_CR1_RE);  // RX and TX mode
-    this->uart->CR1 = tmp;
+    uart->CR1 = tmp;
 
     // USART CR2 Configuration
-    tmp = this->uart->CR2;
+    tmp = uart->CR2;
     tmp &= ~(USART_CR2_STOP);
-    this->uart->CR2 = tmp;
+    uart->CR2 = tmp;
 
     // USART CR3 Configuration
 
@@ -54,16 +48,16 @@ Uart::Uart(UartDevice device, uint32_t baud_rate)
 
     // USART BRR Configuration
     tmp = ((64000000 + (baud_rate / 2)) / baud_rate);
-    this->uart->BRR = tmp;
+    uart->BRR = tmp;
 
     // In asynchronous mode, the following bits must be kept cleared:
     //   - LINEN and CLKEN bits in the USART_CR2 register,
     //   - SCEN, HDSEL and IREN  bits in the USART_CR3 register.
-    this->uart->CR2 &= ~(USART_CR2_LINEN | USART_CR2_CLKEN);
+    uart->CR2 &= ~(USART_CR2_LINEN | USART_CR2_CLKEN);
-    this->uart->CR3 &= ~(USART_CR3_SCEN | USART_CR3_HDSEL | USART_CR3_IREN);
+    uart->CR3 &= ~(USART_CR3_SCEN | USART_CR3_HDSEL | USART_CR3_IREN);
 
     // Enable UART
-    this->uart->CR1 |= USART_CR1_UE;
+    uart->CR1 |= USART_CR1_UE;
 }
 
 void Uart::sync_send(const uint8_t *buffer, uint32_t len)
@@ -74,7 +68,17 @@ void Uart::sync_send(const uint8_t *buffer, uint32_t len)
 
     for (uint32_t i = 0; i < len; i++) {
         // wait for tx not full
-        while ((this->uart->ISR & USART_ISR_TXE_TXFNF) == 0);
+        while ((uart->ISR & USART_ISR_TXE_TXFNF) == 0);
-        this->uart->TDR = buffer[i];
+        uart->TDR = buffer[i];
     }
 }
+
+bool Uart::sync_receive(uint8_t* res)
+{
+        if((uart->ISR & USART_ISR_RXNE_RXFNE) == 0) {
+            return false;
+        }
+
+        *res = (uint8_t)(uart->RDR);
+        return true;
+}

src/platform/stm32g0xx/Uart.h

@@ -12,13 +12,13 @@ class Uart
 public:
     enum class UartDevice
     {
-        UART_2,
+        UART_1,
-        UART_3,
+        UART_2
-        UART_4
     };
 
     Uart(UartDevice, uint32_t);
     void sync_send(const uint8_t *, uint32_t);
+    bool sync_receive(uint8_t*);
 
 private:
     USART_TypeDef   * uart;

src/platform/stm32g0xx/startup_stm32g031y8yx.s

@@ -1,8 +1,8 @@
 /**
   ******************************************************************************
-  * @file      startup_stm32g071xx.s
+  * @file      startup_stm32g031xx.s
   * @author    MCD Application Team
-  * @brief     STM32G071xx devices vector table GCC toolchain.
+  * @brief     STM32G031xx devices vector table GCC toolchain.
   *            This module performs:
   *                - Set the initial SP
   *                - Set the initial PC == Reset_Handler,
@@ -14,7 +14,7 @@
   ******************************************************************************
   * @attention
   *
-  * Copyright (c) 2018 STMicroelectronics. All rights reserved.
+  * Copyright (c) 2019 STMicroelectronics. All rights reserved.
   *
   * This software component is licensed by ST under Apache License, Version 2.0,
   * the "License"; You may not use this file except in compliance with the
@@ -96,7 +96,6 @@ LoopFillZerobss:
 
 /* Call static constructors */
   bl __libc_init_array
-  @ bl system_early_init
 /* Call the application s entry point.*/
   bl main
 
@@ -155,19 +154,19 @@ g_pfnVectors:
   .word EXTI0_1_IRQHandler                /* EXTI Line 0 and 1            */
   .word EXTI2_3_IRQHandler                /* EXTI Line 2 and 3            */
   .word EXTI4_15_IRQHandler               /* EXTI Line 4 to 15            */
-  .word UCPD1_2_IRQHandler                /* UCPD1, UCPD2                 */
+  .word 0                                 /* reserved                     */
   .word DMA1_Channel1_IRQHandler          /* DMA1 Channel 1               */
   .word DMA1_Channel2_3_IRQHandler        /* DMA1 Channel 2 and Channel 3 */
-  .word DMA1_Ch4_7_DMAMUX1_OVR_IRQHandler /* DMA1 Channel 4 to Channel 7, DMAMUX1 overrun */
+  .word DMA1_Ch4_5_DMAMUX1_OVR_IRQHandler /* DMA1 Channel 4 to Channel 5, DMAMUX1 overrun */
-  .word ADC1_COMP_IRQHandler              /* ADC1, COMP1 and COMP2         */
+  .word ADC1_IRQHandler                   /* ADC1                        */
   .word TIM1_BRK_UP_TRG_COM_IRQHandler    /* TIM1 Break, Update, Trigger and Commutation */
   .word TIM1_CC_IRQHandler                /* TIM1 Capture Compare         */
   .word TIM2_IRQHandler                   /* TIM2                         */
   .word TIM3_IRQHandler                   /* TIM3                         */
-  .word TIM6_DAC_LPTIM1_IRQHandler        /* TIM6, DAC and LPTIM1         */
+  .word LPTIM1_IRQHandler                 /* LPTIM1                       */
-  .word TIM7_LPTIM2_IRQHandler            /* TIM7 and LPTIM2              */
+  .word LPTIM2_IRQHandler                 /* LPTIM2                       */
   .word TIM14_IRQHandler                  /* TIM14                        */
-  .word TIM15_IRQHandler                  /* TIM15                        */
+  .word 0                                 /* reserved                     */
   .word TIM16_IRQHandler                  /* TIM16                        */
   .word TIM17_IRQHandler                  /* TIM17                        */
   .word I2C1_IRQHandler                   /* I2C1                         */
@@ -176,8 +175,8 @@ g_pfnVectors:
   .word SPI2_IRQHandler                   /* SPI2                         */
   .word USART1_IRQHandler                 /* USART1                       */
   .word USART2_IRQHandler                 /* USART2                       */
-  .word USART3_4_LPUART1_IRQHandler       /* USART3, USART4 and LPUART1   */
+  .word LPUART1_IRQHandler                /* LPUART1                      */
-  .word CEC_IRQHandler                    /* CEC                          */
+  .word 0                                 /* reserved                     */
 
 /*******************************************************************************
 *
@@ -226,20 +225,17 @@ g_pfnVectors:
   .weak      EXTI4_15_IRQHandler
   .thumb_set EXTI4_15_IRQHandler,Default_Handler
 
-  .weak      UCPD1_2_IRQHandler
-  .thumb_set UCPD1_2_IRQHandler,Default_Handler
-
   .weak      DMA1_Channel1_IRQHandler
   .thumb_set DMA1_Channel1_IRQHandler,Default_Handler
 
   .weak      DMA1_Channel2_3_IRQHandler
   .thumb_set DMA1_Channel2_3_IRQHandler,Default_Handler
 
-  .weak      DMA1_Ch4_7_DMAMUX1_OVR_IRQHandler
+  .weak      DMA1_Ch4_5_DMAMUX1_OVR_IRQHandler
-  .thumb_set DMA1_Ch4_7_DMAMUX1_OVR_IRQHandler,Default_Handler
+  .thumb_set DMA1_Ch4_5_DMAMUX1_OVR_IRQHandler,Default_Handler
 
-  .weak      ADC1_COMP_IRQHandler
+  .weak      ADC1_IRQHandler
-  .thumb_set ADC1_COMP_IRQHandler,Default_Handler
+  .thumb_set ADC1_IRQHandler,Default_Handler
 
   .weak      TIM1_BRK_UP_TRG_COM_IRQHandler
   .thumb_set TIM1_BRK_UP_TRG_COM_IRQHandler,Default_Handler
@@ -253,18 +249,15 @@ g_pfnVectors:
   .weak      TIM3_IRQHandler
   .thumb_set TIM3_IRQHandler,Default_Handler
 
-  .weak      TIM6_DAC_LPTIM1_IRQHandler
+  .weak      LPTIM1_IRQHandler
-  .thumb_set TIM6_DAC_LPTIM1_IRQHandler,Default_Handler
+  .thumb_set LPTIM1_IRQHandler,Default_Handler
 
-  .weak      TIM7_LPTIM2_IRQHandler
+  .weak      LPTIM2_IRQHandler
-  .thumb_set TIM7_LPTIM2_IRQHandler,Default_Handler
+  .thumb_set LPTIM2_IRQHandler,Default_Handler
 
   .weak      TIM14_IRQHandler
   .thumb_set TIM14_IRQHandler,Default_Handler
 
-  .weak      TIM15_IRQHandler
-  .thumb_set TIM15_IRQHandler,Default_Handler
-
   .weak      TIM16_IRQHandler
   .thumb_set TIM16_IRQHandler,Default_Handler
 
@@ -289,11 +282,8 @@ g_pfnVectors:
   .weak      USART2_IRQHandler
   .thumb_set USART2_IRQHandler,Default_Handler
 
-  .weak      USART3_4_LPUART1_IRQHandler
+  .weak      LPUART1_IRQHandler
-  .thumb_set USART3_4_LPUART1_IRQHandler,Default_Handler
+  .thumb_set LPUART1_IRQHandler,Default_Handler
-
-  .weak      CEC_IRQHandler
-  .thumb_set CEC_IRQHandler,Default_Handler
 
 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
 

src/platform/stm32g0xx/system_stm32g0xx.c

@@ -115,7 +115,6 @@ void SystemClock_Config(void)
     SysTick_Config(SystemCoreClock / 1000U);    // 1kHz
     NVIC_SetPriority(SysTick_IRQn, SYS_TICK_PRIO);
 
-
     /* LSI config */
     /* Disable the Internal Low Speed oscillator (LSI). */
     RCC->CSR &= ~(RCC_CSR_LSION);
@@ -178,12 +177,17 @@ void SystemClock_Config(void)
     tmp &= ~(RCC_CFGR_PPRE);    // HCLK not divided
     RCC->CFGR = tmp;
 
+    /* Adapt Systick interrupt period */
     SystemCoreClock = 64000000;
+    SysTick_Config(SystemCoreClock / 1000U);    // 1kHz
+    NVIC_SetPriority(SysTick_IRQn, SYS_TICK_PRIO);
 
+#ifdef STM32G071xx
     /* Configure the USART2 clock source */
     tmp = RCC->CCIPR;
     tmp &= ~(RCC_CCIPR_USART2SEL);  // APB clock selected as USART2 clock
     RCC->CCIPR = tmp;
+#endif
 }
 
 void SystemInit(void)
@@ -201,11 +205,13 @@ void SystemInit(void)
     RCC->APBENR2 |= RCC_APBENR2_SYSCFGEN;
     RCC->APBENR1 |= RCC_APBENR1_PWREN;
 
+#ifdef STM32G071xx
     /* Change strobe configuration of GPIO depending on UCPDx dead battery settings */
     uint32_t tmp = SYSCFG->CFGR1;
     tmp &= ~(SYSCFG_CFGR1_UCPD1_STROBE | SYSCFG_CFGR1_UCPD2_STROBE);
     tmp |= (SYSCFG_CFGR1_UCPD1_STROBE | SYSCFG_CFGR1_UCPD2_STROBE);
     SYSCFG->CFGR1 = tmp;
+#endif
 
     SystemClock_Config();
 }