Remove usart_test

7 files changed, 0 insertions, 333 deletions

diff --git a/src/usart_test/Makefile b/src/usart_test/Makefile
deleted file mode 100644
index e7c6fb5..0000000
--- a/src/usart_test/Makefile
+++ /dev/null
@@ -1,124 +0,0 @@
-###
-# GNU ARM Embedded Toolchain
-CC=arm-none-eabi-gcc
-LD=arm-none-eabi-ld
-AR=arm-none-eabi-ar
-AS=arm-none-eabi-as
-CP=arm-none-eabi-objcopy
-OD=arm-none-eabi-objdump
-SIZE=arm-none-eabi-size
-
-###
-# Directory Structure
-BINDIR=bin
-SRCDIR=.
-
-###
-# Find source files
-ASOURCES=$(shell find -L $(SRCDIR) -name '*.s')
-CSOURCES+=$(shell find -L $(SRCDIR) -name '*.c')
-# Find header directories
-INC=$(shell find -L . -name '*.h' -exec dirname {} \; | uniq)
-INCLUDES=$(INC:%=-I%)
-# Create object list
-OBJECTS=$(ASOURCES:%.s=%.o)
-OBJECTS+=$(CSOURCES:%.c=%.o)
-# Define output files ELF & IHEX
-BINELF=outp.elf
-BINHEX=outp.hex
-
-###
-# MCU FLAGS
-MCFLAGS=-mcpu=cortex-m4 -mthumb -mlittle-endian \
--mfpu=fpv4-sp-d16 -mfloat-abi=softfp -mthumb-interwork
-# COMPILE FLAGS
-DEFS=-DUSE_STDPERIPH_DRIVER -DSTM32F4XX -DARM_MATH_CM4 -D__FPU_PRESENT=1
-CFLAGS  =-Wall -ggdb -std=c99 -c $(MCFLAGS) $(DEFS) $(INCLUDES)
-# LINKER FLAGS
-LDSCRIPT= bsp/stm32_flash.ld
-LDFLAGS =-T $(LDSCRIPT) --specs=nosys.specs $(MCFLAGS) -Wl,-Map=$(BINDIR)/outp.map
-
-###
-# Optimizations
-OPT?='O2 O3 O6'
-# O1 and O4 are irrelevant
-# O5 breaks FreeRTOS somehow
-# I'm not trusting O7
-
-ifneq ($(filter O1,$(OPT)),)
-CXXFLAGS+=-fno-exceptions # Uncomment to disable exception handling
-DEFS+=-DNO_EXCEPTIONS # The source code has to comply with this rule
-endif
-
-ifneq ($(filter O2,$(OPT)),)
-CFLAGS+=-Os # Optimize for size https://gcc.gnu.org/onlinedocs/gcc/Optimize-Options.html
-CXXFLAGS+=-Os
-LDFLAGS+=-Os # Optimize for size https://gcc.gnu.org/onlinedocs/gcc/Optimize-Options.html
-endif
-
-ifneq ($(filter O3,$(OPT)),)
-CFLAGS+=-ffunction-sections -fdata-sections # Place each function or data item into its own section in the output file
-CXXFLAGS+=-ffunction-sections -fdata-sections # -||-
-LDFLAGS+=-Wl,-gc-sections # Remove isolated unused sections
-endif
-
-ifneq ($(filter O4,$(OPT)),)
-CFLAGS+=-fno-builtin # Disable C++ exception handling
-CXXFLAGS+=-fno-builtin # Disable C++ exception handling
-endif
-
-ifneq ($(filter O5,$(OPT)),)
-CFLAGS+=-flto # Enable link time optimization
-CXXFLAGS+=-flto # Enable link time optimization
-LDFLAGS+=-flto # Enable link time optimization
-endif
-
-ifneq ($(filter O6,$(OPT)),)
-CXXFLAGS+=-fno-rtti # Disable type introspection
-endif
-
-ifneq ($(findstring O7,$(OPT)),)
-LDFLAGS+=--specs=nano.specs # Use size optimized newlib
-endif
-
-###
-# Build Rules
-.PHONY: all release debug clean
-
-all: release
-
-release: $(BINDIR)/$(BINHEX)
-
-debug: CFLAGS+=-g
-debug: LDFLAGS+=-g
-debug: release
-
-$(BINDIR)/$(BINHEX): $(BINDIR)/$(BINELF)
-	$(CP) -O ihex $< $@
-
-$(BINDIR)/$(BINELF): $(OBJECTS) vc.h
-	$(CC) $(LDFLAGS) $(OBJECTS) -o $@
-	$(SIZE) $(BINDIR)/$(BINELF)
-
-%.o: %.c
-	$(CC) $(CFLAGS) $< -o $@
-
-%.o: %.s
-	$(CC) $(CFLAGS) $< -o $@
-
-vc.h: ../../.git/logs/HEAD
-	echo "// This file is generated by Makefile." > vc.h
-	echo "// Do not edit this file!" >> vc.h
-	git log -1 --format="format:#define GIT_VERSION \"%h\"" >> vc.h
-
-clean:
-	rm -f $(OBJECTS) $(BINDIR)/$(BINELF) $(BINDIR)/$(BINHEX)
-
-# Connect to openocd's gdb server on port 3333
-deploy: $(BINDIR)/$(BINELF)
-ifeq ($(wildcard /opt/openocd/bin/openocd),)
-	/usr/bin/openocd -f /usr/share/openocd/scripts/board/stm32f4discovery.cfg -c "program bin/"$(BINELF)" verify reset" -c "init" -c "reset" -c "exit"
-else
-	/opt/openocd/bin/openocd -f /opt/openocd/share/openocd/scripts/board/stm32f4discovery.cfg -c "program bin/"$(BINELF)" verify reset" -c "init" -c "reset" -c "exit"
-endif
-
diff --git a/src/usart_test/bsp b/src/usart_test/bsp
deleted file mode 120000
index 5d9120a..0000000
--- a/src/usart_test/bsp
+++ /dev/null
@@ -1 +0,0 @@
-../bsp
\ No newline at end of file
diff --git a/src/usart_test/main.c b/src/usart_test/main.c
deleted file mode 100644
index 397d97f..0000000
--- a/src/usart_test/main.c
+++ /dev/null
@@ -1,204 +0,0 @@
-#include "stm32f4xx.h"
-#include <stdio.h>
-#include <stdarg.h>
-#include <string.h>
-#include <stm32f4xx.h>
-#include <stm32f4xx_usart.h>
-#include <stm32f4xx_conf.h>
-#include "tm_stm32f4_ds18b20.h"
-#include "tm_stm32f4_onewire.h"
-
-const uint16_t GPIOA_PIN_USART2_RX = GPIO_Pin_3;
-const uint16_t GPIOA_PIN_USART2_TX = GPIO_Pin_2;
-
-#define ONEWIRE_PIN       GPIO_Pin_1 // PA1
-
-volatile uint64_t timer;
-void SysTick_Handler(void)
-{
-    if (timer) timer--;
-}
-
-void delay(const uint64_t us)
-{
-    timer = us / 10;
-    while (timer);
-}
-
-
-
-char msg[32];
-static int cnt = 0;
-void printcnt(void)
-{
-    snprintf(msg, 31, "%d ", cnt++);
-
-    char* c = msg;
-    while (*c) {
-        USART_SendData(USART2, *c);
-        while(USART_GetFlagStatus(USART2, USART_FLAG_TXE) == RESET) ;
-        c++;
-    }
-}
-
-static void usart_puts(USART_TypeDef* USART, const char* str)
-{
-    while(*str) {
-        // wait until data register is empty
-        USART_SendData(USART, *str);
-        while(USART_GetFlagStatus(USART, USART_FLAG_TXE) == RESET) ;
-        str++;
-    }
-}
-#define MAX_MSG_LEN 80
-static char usart_debug_message[MAX_MSG_LEN];
-
-void usart_debug(const char *format, ...)
-{
-    va_list list;
-    va_start(list, format);
-    vsnprintf(usart_debug_message, MAX_MSG_LEN-1, format, list);
-    usart_puts(USART2, usart_debug_message);
-    va_end(list);
-}
-
-void usart_debug_puts(const char* str)
-{
-    usart_puts(USART2, str);
-}
-
-
-static TM_OneWire_t tm_onewire;
-
-void ds18b20_init()
-{
-    RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOA, ENABLE);
-
-    GPIO_InitTypeDef  GPIO_InitStructure;
-    GPIO_InitStructure.GPIO_Pin   = ONEWIRE_PIN;
-    GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
-    GPIO_InitStructure.GPIO_Mode  = GPIO_Mode_OUT;
-    GPIO_InitStructure.GPIO_OType = GPIO_OType_OD;
-    GPIO_InitStructure.GPIO_PuPd  = GPIO_PuPd_UP;
-    GPIO_Init(GPIOA, &GPIO_InitStructure);
-
-    TM_OneWire_Init(&tm_onewire, GPIOA, ONEWIRE_PIN);
-}
-
-int ds18b20_gettemp_one(float *temperature)
-{
-    uint8_t rom_addr[8];
-
-    TM_DS18B20_StartAll(&tm_onewire);
-    int status = TM_OneWire_First(&tm_onewire);
-    if (status) {
-        //Save ROM number from device
-        TM_OneWire_GetFullROM(&tm_onewire, rom_addr);
-        TM_DS18B20_Start(&tm_onewire, rom_addr);
-
-        // The sensor needs time to do the conversion
-        delay(100ul * 1000ul);
-        status = TM_DS18B20_Read(&tm_onewire, rom_addr, temperature);
-    }
-
-    return status;
-}
-
-int ds18b20_gettemp(float *temperature)
-{
-    int status;
-    for (int i = 0; i < 10; i++) {
-        status = ds18b20_gettemp_one(temperature);
-
-        if (status) {
-            break;
-        }
-        delay(5000ul);
-    }
-    return status;
-}
-
-
-int main(void)
-{
-    SysTick_Config(SystemCoreClock / 100000); // 10us tick
-
-    // ============== PC DEBUG USART ===========
-    RCC_APB1PeriphClockCmd(RCC_APB1Periph_USART2, ENABLE);
-    RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOA, ENABLE);
-
-    GPIO_InitTypeDef GPIO_InitStruct;
-    GPIO_InitStruct.GPIO_Pin = GPIOA_PIN_USART2_RX | GPIOA_PIN_USART2_TX;
-    GPIO_InitStruct.GPIO_Mode = GPIO_Mode_AF;
-    GPIO_InitStruct.GPIO_Speed = GPIO_Speed_50MHz;
-    GPIO_InitStruct.GPIO_OType = GPIO_OType_PP;
-    GPIO_InitStruct.GPIO_PuPd = GPIO_PuPd_UP;
-    GPIO_Init(GPIOA, &GPIO_InitStruct);
-
-    GPIO_PinAFConfig(GPIOA, GPIO_PinSource2, GPIO_AF_USART2);
-    GPIO_PinAFConfig(GPIOA, GPIO_PinSource3, GPIO_AF_USART2);
-
-    // Setup USART2 for 9600,8,N,1
-    USART_InitTypeDef USART_InitStruct;
-    USART_InitStruct.USART_BaudRate = 9600;
-    USART_InitStruct.USART_WordLength = USART_WordLength_8b;
-    USART_InitStruct.USART_StopBits = USART_StopBits_1;
-    USART_InitStruct.USART_Parity = USART_Parity_No;
-    USART_InitStruct.USART_HardwareFlowControl = USART_HardwareFlowControl_None;
-    USART_InitStruct.USART_Mode = USART_Mode_Tx | USART_Mode_Rx;
-    USART_Init(USART2, &USART_InitStruct);
-
-#if 0
-    // enable the USART2 receive interrupt
-    USART_ITConfig(USART2, USART_IT_RXNE, ENABLE);
-
-    NVIC_InitTypeDef NVIC_InitStructure;
-    NVIC_InitStructure.NVIC_IRQChannel = USART2_IRQn;
-    NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 6;
-    NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
-    NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
-    NVIC_Init(&NVIC_InitStructure);
-
-    NVIC_SetPriority(USART2_IRQn, 6);
-#endif
-
-    // finally this enables the complete USART2 peripheral
-    USART_Cmd(USART2, ENABLE);
-
-    usart_debug_puts("DS18B20 init\r\n");
-    ds18b20_init();
-
-    while(1) {
-        float temp = 0.0f;
-        if (ds18b20_gettemp(&temp)) {
-            usart_debug("Temperature %f\r\n", temp);
-        }
-        else {
-            usart_debug_puts("No temp\r\n");
-        }
-
-        delay(5 * 1000000ul);
-    }
-}
-
-void USART2_IRQHandler(void)
-{
-    /* RXNE handler */
-    if(USART_GetITStatus(USART2, USART_IT_RXNE) != RESET)
-    {
-        /* If received 't', toggle LED and transmit 'T' */
-        if((char)USART_ReceiveData(USART2) == 't')
-        {
-            USART_SendData(USART2, 'T');
-
-            //while(USART_GetFlagStatus(USART2, USART_FLAG_TXE) == RESET) ;
-        }
-        else {
-            USART_SendData(USART2, 'N');
-            USART_SendData(USART2, 'o');
-            USART_SendData(USART2, '!');
-            USART_SendData(USART2, '\n');
-        }
-    }
-}
-
diff --git a/src/usart_test/tm_stm32f4_ds18b20.c b/src/usart_test/tm_stm32f4_ds18b20.c
deleted file mode 120000
index 1dca5f5..0000000
--- a/src/usart_test/tm_stm32f4_ds18b20.c
+++ /dev/null
@@ -1 +0,0 @@
-../ds18b20/tm_stm32f4_ds18b20.c
\ No newline at end of file
diff --git a/src/usart_test/tm_stm32f4_ds18b20.h b/src/usart_test/tm_stm32f4_ds18b20.h
deleted file mode 120000
index 6b8bae8..0000000
--- a/src/usart_test/tm_stm32f4_ds18b20.h
+++ /dev/null
@@ -1 +0,0 @@
-../ds18b20/tm_stm32f4_ds18b20.h
\ No newline at end of file
diff --git a/src/usart_test/tm_stm32f4_onewire.c b/src/usart_test/tm_stm32f4_onewire.c
deleted file mode 120000
index 21e6c82..0000000
--- a/src/usart_test/tm_stm32f4_onewire.c
+++ /dev/null
@@ -1 +0,0 @@
-../ds18b20/tm_stm32f4_onewire.c
\ No newline at end of file
diff --git a/src/usart_test/tm_stm32f4_onewire.h b/src/usart_test/tm_stm32f4_onewire.h
deleted file mode 120000
index 1779648..0000000
--- a/src/usart_test/tm_stm32f4_onewire.h
+++ /dev/null
@@ -1 +0,0 @@
-../ds18b20/tm_stm32f4_onewire.h
\ No newline at end of file