From f093936970606c56f413d1f3205343397a9bebd9 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Ond=C5=99ej=20Hru=C5=A1ka?= Date: Thu, 23 Feb 2023 02:08:14 +0100 Subject: [PATCH] change measurement method to resistor divider, slightly questionable and off by 10 degrees but that's probably good enough for baking bread --- BluepillTrouba.ioc | 25 ++-- Core/Inc/stm32f1xx_it.h | 1 + Core/Src/adc.c | 2 +- Core/Src/app.c | 195 ++++++++++++++++++++------ Core/Src/main.c | 4 +- Core/Src/stm32f1xx_hal_timebase_tim.c | 2 +- Core/Src/stm32f1xx_it.c | 15 ++ Core/Src/tim.c | 5 + Makefile | 6 +- 9 files changed, 196 insertions(+), 59 deletions(-) diff --git a/BluepillTrouba.ioc b/BluepillTrouba.ioc index a5d84fb..1123a00 100644 --- a/BluepillTrouba.ioc +++ b/BluepillTrouba.ioc @@ -11,10 +11,10 @@ ADC1.Rank-0\#ChannelRegularConversion=1 ADC1.Rank-1\#ChannelRegularConversion=2 ADC1.Rank-2\#ChannelRegularConversion=3 ADC1.Rank-3\#ChannelRegularConversion=4 -ADC1.SamplingTime-0\#ChannelRegularConversion=ADC_SAMPLETIME_239CYCLES_5 -ADC1.SamplingTime-1\#ChannelRegularConversion=ADC_SAMPLETIME_239CYCLES_5 -ADC1.SamplingTime-2\#ChannelRegularConversion=ADC_SAMPLETIME_239CYCLES_5 -ADC1.SamplingTime-3\#ChannelRegularConversion=ADC_SAMPLETIME_239CYCLES_5 +ADC1.SamplingTime-0\#ChannelRegularConversion=ADC_SAMPLETIME_41CYCLES_5 +ADC1.SamplingTime-1\#ChannelRegularConversion=ADC_SAMPLETIME_41CYCLES_5 +ADC1.SamplingTime-2\#ChannelRegularConversion=ADC_SAMPLETIME_41CYCLES_5 +ADC1.SamplingTime-3\#ChannelRegularConversion=ADC_SAMPLETIME_41CYCLES_5 ADC1.master=1 Dma.ADC1.0.Direction=DMA_PERIPH_TO_MEMORY Dma.ADC1.0.Instance=DMA1_Channel1 @@ -105,6 +105,7 @@ NVIC.SavedSvcallIrqHandlerGenerated=true NVIC.SavedSystickIrqHandlerGenerated=true NVIC.SysTick_IRQn=true\:15\:0\:false\:false\:false\:true\:false\:true\:true NVIC.TIM1_UP_IRQn=true\:15\:0\:false\:false\:true\:false\:false\:true\:true +NVIC.TIM4_IRQn=true\:5\:0\:false\:false\:true\:true\:true\:true\:true NVIC.TimeBase=TIM1_UP_IRQn NVIC.TimeBaseIP=TIM1 NVIC.UsageFault_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:false\:true @@ -207,18 +208,19 @@ ProjectManager.TargetToolchain=Makefile ProjectManager.ToolChainLocation= ProjectManager.UnderRoot=false ProjectManager.functionlistsort=1-SystemClock_Config-RCC-false-HAL-false,2-MX_GPIO_Init-GPIO-false-HAL-true,3-MX_IWDG_Init-IWDG-false-HAL-true,4-MX_USART1_UART_Init-USART1-false-HAL-true,5-MX_ADC1_Init-ADC1-false-HAL-true,6-MX_SPI1_Init-SPI1-false-HAL-true,7-MX_DMA_Init-DMA-false-HAL-true,8-MX_TIM4_Init-TIM4-false-HAL-true,9-MX_TIM2_Init-TIM2-false-HAL-true -RCC.ADCFreqValue=12000000 -RCC.ADCPresc=RCC_ADCPCLK2_DIV6 +RCC.ADCFreqValue=2250000 +RCC.ADCPresc=RCC_ADCPCLK2_DIV8 RCC.AHBFreq_Value=72000000 RCC.APB1CLKDivider=RCC_HCLK_DIV2 RCC.APB1Freq_Value=36000000 RCC.APB1TimFreq_Value=72000000 -RCC.APB2Freq_Value=72000000 -RCC.APB2TimFreq_Value=72000000 +RCC.APB2CLKDivider=RCC_HCLK_DIV4 +RCC.APB2Freq_Value=18000000 +RCC.APB2TimFreq_Value=36000000 RCC.FCLKCortexFreq_Value=72000000 RCC.FamilyName=M RCC.HCLKFreq_Value=72000000 -RCC.IPParameters=ADCFreqValue,ADCPresc,AHBFreq_Value,APB1CLKDivider,APB1Freq_Value,APB1TimFreq_Value,APB2Freq_Value,APB2TimFreq_Value,FCLKCortexFreq_Value,FamilyName,HCLKFreq_Value,MCOFreq_Value,PLLCLKFreq_Value,PLLMCOFreq_Value,PLLMUL,PLLSourceVirtual,RTCClockSelection,RTCFreq_Value,SYSCLKFreq_VALUE,SYSCLKSource,TimSysFreq_Value,USBFreq_Value,VCOOutput2Freq_Value +RCC.IPParameters=ADCFreqValue,ADCPresc,AHBFreq_Value,APB1CLKDivider,APB1Freq_Value,APB1TimFreq_Value,APB2CLKDivider,APB2Freq_Value,APB2TimFreq_Value,FCLKCortexFreq_Value,FamilyName,HCLKFreq_Value,MCOFreq_Value,PLLCLKFreq_Value,PLLMCOFreq_Value,PLLMUL,PLLSourceVirtual,RTCClockSelection,RTCFreq_Value,SYSCLKFreq_VALUE,SYSCLKSource,TimSysFreq_Value,USBFreq_Value,VCOOutput2Freq_Value RCC.MCOFreq_Value=72000000 RCC.PLLCLKFreq_Value=72000000 RCC.PLLMCOFreq_Value=36000000 @@ -242,7 +244,7 @@ SH.S_TIM4_CH1.ConfNb=1 SH.S_TIM4_CH2.0=TIM4_CH2,Encoder_Interface SH.S_TIM4_CH2.ConfNb=1 SPI1.BaudRatePrescaler=SPI_BAUDRATEPRESCALER_8 -SPI1.CalculateBaudRate=9.0 MBits/s +SPI1.CalculateBaudRate=2.25 MBits/s SPI1.Direction=SPI_DIRECTION_2LINES SPI1.IPParameters=VirtualType,Mode,Direction,BaudRatePrescaler,CalculateBaudRate SPI1.Mode=SPI_MODE_MASTER @@ -251,7 +253,8 @@ TIM2.Channel-PWM\ Generation1\ CH1=TIM_CHANNEL_1 TIM2.IPParameters=Channel-PWM Generation1 CH1,Prescaler TIM2.Prescaler=2 TIM4.IC2Filter=15 -TIM4.IPParameters=IC2Filter +TIM4.IPParameters=IC2Filter,Prescaler +TIM4.Prescaler=0 USART1.IPParameters=VirtualMode,Mode USART1.Mode=MODE_TX_RX USART1.VirtualMode=VM_ASYNC diff --git a/Core/Inc/stm32f1xx_it.h b/Core/Inc/stm32f1xx_it.h index 930800f..faad78a 100644 --- a/Core/Inc/stm32f1xx_it.h +++ b/Core/Inc/stm32f1xx_it.h @@ -54,6 +54,7 @@ void UsageFault_Handler(void); void DebugMon_Handler(void); void DMA1_Channel1_IRQHandler(void); void TIM1_UP_IRQHandler(void); +void TIM4_IRQHandler(void); /* USER CODE BEGIN EFP */ /* USER CODE END EFP */ diff --git a/Core/Src/adc.c b/Core/Src/adc.c index 391a6ce..156098f 100644 --- a/Core/Src/adc.c +++ b/Core/Src/adc.c @@ -59,7 +59,7 @@ void MX_ADC1_Init(void) */ sConfig.Channel = ADC_CHANNEL_0; sConfig.Rank = ADC_REGULAR_RANK_1; - sConfig.SamplingTime = ADC_SAMPLETIME_239CYCLES_5; + sConfig.SamplingTime = ADC_SAMPLETIME_41CYCLES_5; if (HAL_ADC_ConfigChannel(&hadc1, &sConfig) != HAL_OK) { Error_Handler(); diff --git a/Core/Src/app.c b/Core/Src/app.c index 0d84140..0378768 100644 --- a/Core/Src/app.c +++ b/Core/Src/app.c @@ -15,22 +15,27 @@ #include "tim.h" #include "adc.h" #include "oled.h" +#include "ufb/fb_text.h" -// TODO averaging +/* DMA dest */ static volatile uint16_t adc_values[4]; -static volatile uint16_t adc_values_snapshot[4]; -const float r_current_sensor = 98.2f; // Ohm TODO measure +const float V_REFINT = 1.23f; + +#define AVERAGEBUF_DEPTH 32 static struct App { float oven_temp; float soc_temp; float v_sensor; - float v_current_reference; - float sensor_current; - float r_sensor; +// float v_current_reference; +// float sensor_current; +// float r_sensor; uint16_t wheel; bool push; + uint16_t adc_averagebuf[AVERAGEBUF_DEPTH * 4]; + uint8_t averagebuf_ptr; + float adc_averages[4]; } s_app = {}; #define TSENSE_LOOKUP_LEN 101 @@ -38,25 +43,117 @@ static struct App { #define TSENSE_T_MIN 0.0f #define TSENSE_T_MAX 500.0f static const float TSENSE_LOOKUP[TSENSE_LOOKUP_LEN] = { - 100.0f, 101.9527f, 103.9025f, 105.8495f, 107.7935f, 109.7347f, 111.6729f, 113.6083f, 115.5408f, 117.4704f, 119.3971f, 121.321f, - 123.2419f, 125.16f, 127.0751f, 128.9874f, 130.8968f, 132.8033f, 134.7069f, 136.6077f, 138.5055f, 140.4005f, 142.2925f, 144.1817f, - 146.068f, 147.9514f, 149.8319f, 151.7096f, 153.5843f, 155.4562f, 157.3251f, 159.1912f, 161.0544f, 162.9147f, 164.7721f, 166.6267f, - 168.4783f, 170.3271f, 172.1729f, 174.0159f, 175.856f, 177.6932f, 179.5275f, 181.359f, 183.1875f, 185.0132f, 186.8359f, 188.6558f, - 190.4728f, 192.2869f, 194.0981f, 195.9065f, 197.7119f, 199.5145f, 201.3141f, 203.1109f, 204.9048f, 206.6958f, 208.4839f, 210.2692f, - 212.0515f, 213.831f, 215.6075f, 217.3812f, 219.152f, 220.9199f, 222.6849f, 224.4471f, 226.2063f, 227.9627f, 229.7161f, 231.4667f, - 233.2144f, 234.9592f, 236.7011f, 238.4402f, 240.1763f, 241.9096f, 243.6399f, 245.3674f, 247.092f, 248.8137f, 250.5325f, 252.2485f, - 253.9615f, 255.6717f, 257.3789f, 259.0833f, 260.7848f, 262.4834f, 264.1791f, 265.872f, 267.5619f, 269.249f, 270.9331f, 272.6144f, - 274.2928f, 275.9683f, 277.6409f, 279.3107f, 280.9775f + 0.092678405931418f, + 0.0943174479327356f, + 0.095948157844312f, + 0.0975706768542549f, + 0.0991848957506647f, + 0.100791037522732f, + 0.102388993070241f, + 0.103978983136042f, + 0.105560980458654f, + 0.107135039851509f, + 0.108701215616829f, + 0.110259642413441f, + 0.111810211533421f, + 0.113353137226489f, + 0.114888310929339f, + 0.11641594480226f, + 0.117936009906507f, + 0.119448557132363f, + 0.120953636903929f, + 0.122451377845456f, + 0.12394167187544f, + 0.125424725109556f, + 0.126900429638119f, + 0.128368989630084f, + 0.129830374697352f, + 0.131284632150064f, + 0.132731808872517f, + 0.134172027901771f, + 0.135605181883591f, + 0.13703146935069f, + 0.138450783142958f, + 0.139863319976468f, + 0.14126904821384f, + 0.142668011892657f, + 0.144060254660872f, + 0.145445894373796f, + 0.146824824486877f, + 0.14819723645253f, + 0.149563023938454f, + 0.150922376699229f, + 0.15227526202401f, + 0.153621720954182f, + 0.15496179417407f, + 0.156295594725426f, + 0.157623016940038f, + 0.158944245649448f, + 0.160259175412251f, + 0.16156798947087f, + 0.162870654195634f, + 0.164167207880495f, + 0.165457688491696f, + 0.166742204592451f, + 0.168020651444079f, + 0.169293207677971f, + 0.170559768793747f, + 0.171820511933356f, + 0.173075402684405f, + 0.174324476817747f, + 0.175567769803026f, + 0.176805386030345f, + 0.178037221732226f, + 0.179263449725904f, + 0.180483966491086f, + 0.181698943447122f, + 0.182908345518766f, + 0.184112206156428f, + 0.185310558533273f, + 0.186503503145257f, + 0.187690937227925f, + 0.188873028139146f, + 0.190049673368296f, + 0.191221038959601f, + 0.192387089280576f, + 0.193547855644572f, + 0.194703369109397f, + 0.195853726532112f, + 0.196998826174689f, + 0.19813883026229f, + 0.199273637315452f, + 0.200403408323351f, + 0.201528107189346f, + 0.20264776325594f, + 0.203762405629782f, + 0.204872127762998f, + 0.205976828960191f, + 0.207076666615101f, + 0.208171540293999f, + 0.209261606226334f, + 0.210346827933364f, + 0.211427232937629f, + 0.212502848543705f, + 0.213573765013592f, + 0.214639882704581f, + 0.215701354457324f, + 0.216758080892489f, + 0.217810213752734f, + 0.218857716249547f, + 0.219900614222686f, + 0.220938933310224f, + 0.221972760781578f, + 0.223001998051553f, }; -static float r_to_c(float r){ +static float val_to_c(float val){ // TODO use binary search.. lol for (int i = 1; i < TSENSE_LOOKUP_LEN; i++) { float cur = TSENSE_LOOKUP[i]; - if (cur >= r) { + if (cur >= val) { float prev = TSENSE_LOOKUP[i-1]; - float ratio = (r - prev) / (cur - prev); + float ratio = (val - prev) / (cur - prev); return TSENSE_T_MIN + ((float) i + ratio) * TSENSE_T_STEP; } } @@ -64,32 +161,45 @@ static float r_to_c(float r){ } void calculate_analog_values() { + uint32_t sums[4] = {}; + for (int i = 0; i < AVERAGEBUF_DEPTH * 4; i += 4) { + sums[0] += s_app.adc_averagebuf[i]; + sums[1] += s_app.adc_averagebuf[i + 1]; + sums[2] += s_app.adc_averagebuf[i + 2]; + sums[3] += s_app.adc_averagebuf[i + 3]; + } + s_app.adc_averages[0] = (float)sums[0] / AVERAGEBUF_DEPTH; + s_app.adc_averages[1] = (float)sums[1] / AVERAGEBUF_DEPTH; + s_app.adc_averages[2] = (float)sums[2] / AVERAGEBUF_DEPTH; + s_app.adc_averages[3] = (float)sums[3] / AVERAGEBUF_DEPTH; + /* r_pt100, r_ref, internal_temp, v_ref_int */ - uint16_t refint = adc_values_snapshot[3]; - const float vrefint = 1.2f; - float scale = vrefint / (float)refint; + float refint = s_app.adc_averages[3]; + float scale = V_REFINT / refint; - const float avg_slope = 4.3f; + const float avg_slope = 4.3f * scale; const float v25 = 1.43f; - const float v_tsen = (float) adc_values_snapshot[2] * scale; + const float v_tsen = s_app.adc_averages[2] * scale; s_app.soc_temp = (v25 - v_tsen) / avg_slope + 25.f; - s_app.v_sensor = (float)adc_values_snapshot[0] * scale; - s_app.v_current_reference = (float)(adc_values_snapshot[1] - adc_values_snapshot[0]) * scale; + s_app.v_sensor = s_app.adc_averages[0] * scale; // good for debug/tuning - s_app.sensor_current = s_app.v_current_reference / r_current_sensor; - s_app.r_sensor = s_app.v_sensor / s_app.sensor_current; - s_app.oven_temp = r_to_c(s_app.r_sensor); + // using a voltage divider, so assuming the reference resistor is measured well, + // we can just use the ratio and the exact voltage value is not important. + s_app.oven_temp = val_to_c(s_app.adc_averages[0] / s_app.adc_averages[1]); } void HAL_ADC_ConvCpltCallback(ADC_HandleTypeDef* hadc) { // notify - memcpy((void*) adc_values_snapshot, (const void*) adc_values, 8); + memcpy((void*) &s_app.adc_averagebuf[s_app.averagebuf_ptr * 4], (const void*) adc_values, 8); + s_app.averagebuf_ptr = (s_app.averagebuf_ptr + 1) % AVERAGEBUF_DEPTH; } static void hw_init() { + HAL_ADCEx_Calibration_Start(&hadc1); + /* Start periodic reading of the ADC channels */ HAL_ADC_Start_DMA(&hadc1, (uint32_t*)(void*)adc_values, 4); @@ -119,17 +229,14 @@ void app_main_task(void *argument) calculate_analog_values(); - printf("Knob %d (P=%d), ADC %d %d %d %d, oven %.2f°C, soc %.2f°C, vPt %.3fV, v_iref %.3f, I %.6fA, rPt %.2f Ohm \r\n", - (int) s_app.wheel, s_app.push, - adc_values[0], adc_values[1], adc_values[2], adc_values[3], - - s_app.oven_temp, - s_app.soc_temp, - s_app.v_sensor, - s_app.v_current_reference, - s_app.sensor_current, - s_app.r_sensor - ); +// printf("Knob %d (P=%d), ADC %.2f %.2f %.2f %.2f, oven %.2f°C, soc %.2f°C, divider %.3f V \r\n", +// (int) s_app.wheel, s_app.push, +// s_app.adc_averages[0], s_app.adc_averages[1], s_app.adc_averages[2], s_app.adc_averages[3], +// +// s_app.oven_temp, +// s_app.soc_temp, +// s_app.v_sensor +// ); invert = !invert; @@ -143,9 +250,15 @@ void app_main_task(void *argument) fb_frame(s_app.wheel % FBW, 0, 15, 15, 1, 1); } } + + char tmp[100]; + sprintf(tmp, "%d°C", (int) s_app.oven_temp); + + fb_text(0, 20, tmp, 0, 1); + fb_blit(); - vTaskDelay(250); + vTaskDelay(100); // beep htim2.Instance->ARR = 12000 + (int16_t)s_app.wheel * 100; diff --git a/Core/Src/main.c b/Core/Src/main.c index 20c6380..8f160c8 100644 --- a/Core/Src/main.c +++ b/Core/Src/main.c @@ -163,7 +163,7 @@ void SystemClock_Config(void) RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK; RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1; RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2; - RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1; + RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV4; if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK) { @@ -171,7 +171,7 @@ void SystemClock_Config(void) } PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_RTC|RCC_PERIPHCLK_ADC; PeriphClkInit.RTCClockSelection = RCC_RTCCLKSOURCE_LSE; - PeriphClkInit.AdcClockSelection = RCC_ADCPCLK2_DIV6; + PeriphClkInit.AdcClockSelection = RCC_ADCPCLK2_DIV8; if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK) { Error_Handler(); diff --git a/Core/Src/stm32f1xx_hal_timebase_tim.c b/Core/Src/stm32f1xx_hal_timebase_tim.c index 36dca2d..fe33581 100644 --- a/Core/Src/stm32f1xx_hal_timebase_tim.c +++ b/Core/Src/stm32f1xx_hal_timebase_tim.c @@ -57,7 +57,7 @@ HAL_StatusTypeDef HAL_InitTick(uint32_t TickPriority) HAL_RCC_GetClockConfig(&clkconfig, &pFLatency); /* Compute TIM1 clock */ - uwTimclock = HAL_RCC_GetPCLK2Freq(); + uwTimclock = 2*HAL_RCC_GetPCLK2Freq(); /* Compute the prescaler value to have TIM1 counter clock equal to 1MHz */ uwPrescalerValue = (uint32_t) ((uwTimclock / 1000000U) - 1U); diff --git a/Core/Src/stm32f1xx_it.c b/Core/Src/stm32f1xx_it.c index f90be76..77df710 100644 --- a/Core/Src/stm32f1xx_it.c +++ b/Core/Src/stm32f1xx_it.c @@ -57,6 +57,7 @@ /* External variables --------------------------------------------------------*/ extern DMA_HandleTypeDef hdma_adc1; +extern TIM_HandleTypeDef htim4; extern TIM_HandleTypeDef htim1; /* USER CODE BEGIN EV */ @@ -190,6 +191,20 @@ void TIM1_UP_IRQHandler(void) /* USER CODE END TIM1_UP_IRQn 1 */ } +/** + * @brief This function handles TIM4 global interrupt. + */ +void TIM4_IRQHandler(void) +{ + /* USER CODE BEGIN TIM4_IRQn 0 */ + + /* USER CODE END TIM4_IRQn 0 */ + HAL_TIM_IRQHandler(&htim4); + /* USER CODE BEGIN TIM4_IRQn 1 */ + + /* USER CODE END TIM4_IRQn 1 */ +} + /* USER CODE BEGIN 1 */ /* USER CODE END 1 */ diff --git a/Core/Src/tim.c b/Core/Src/tim.c index 06b87e9..1443046 100644 --- a/Core/Src/tim.c +++ b/Core/Src/tim.c @@ -164,6 +164,9 @@ void HAL_TIM_Encoder_MspInit(TIM_HandleTypeDef* tim_encoderHandle) GPIO_InitStruct.Pull = GPIO_PULLUP; HAL_GPIO_Init(GPIOB, &GPIO_InitStruct); + /* TIM4 interrupt Init */ + HAL_NVIC_SetPriority(TIM4_IRQn, 5, 0); + HAL_NVIC_EnableIRQ(TIM4_IRQn); /* USER CODE BEGIN TIM4_MspInit 1 */ /* USER CODE END TIM4_MspInit 1 */ @@ -230,6 +233,8 @@ void HAL_TIM_Encoder_MspDeInit(TIM_HandleTypeDef* tim_encoderHandle) */ HAL_GPIO_DeInit(GPIOB, KNOB_B_Pin|KNOB_A_Pin); + /* TIM4 interrupt Deinit */ + HAL_NVIC_DisableIRQ(TIM4_IRQn); /* USER CODE BEGIN TIM4_MspDeInit 1 */ /* USER CODE END TIM4_MspDeInit 1 */ diff --git a/Makefile b/Makefile index bc368de..9c165b5 100644 --- a/Makefile +++ b/Makefile @@ -1,5 +1,5 @@ ########################################################################################################################## -# File automatically-generated by tool: [projectgenerator] version: [3.16.0] date: [Wed Feb 22 23:22:04 CET 2023] +# File automatically-generated by tool: [projectgenerator] version: [3.16.0] date: [Thu Feb 23 00:46:03 CET 2023] ########################################################################################################################## # ------------------------------------------------ @@ -174,8 +174,8 @@ LDSCRIPT = STM32F103CBTx_FLASH.ld # libraries LIBS = -lc -lm -lnosys LIBDIR = -LDFLAGS = $(MCU) -T$(LDSCRIPT) $(LIBDIR) $(LIBS) -Wl,-Map=$(BUILD_DIR)/$(TARGET).map,--cref -Wl,--gc-sections -# -specs=nano.specs +LDFLAGS = $(MCU) -specs=nano.specs -T$(LDSCRIPT) $(LIBDIR) $(LIBS) -Wl,-Map=$(BUILD_DIR)/$(TARGET).map,--cref -Wl,--gc-sections +# # default action: build all all: $(BUILD_DIR)/$(TARGET).elf $(BUILD_DIR)/$(TARGET).hex $(BUILD_DIR)/$(TARGET).bin