trevorb98/CE2801-Workspace
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

class done

Browse Source
This commit is contained in:
Trevor Barnes
2019-11-24 23:51:24 -06:00
parent 454bed8831
commit ecd65b11b4
50 changed files with 9495 additions and 2088 deletions
Download Patch File Download Diff File Expand all files Collapse all files

BIN
lab7interrupts/Debug/Src/delay.o Normal file
View File

Binary file not shown.

BIN
lab7interrupts/Debug/Src/keypad.o Normal file
View File

Binary file not shown.

BIN
lab7interrupts/Debug/Src/lcd.o Normal file
View File

Binary file not shown.

BIN
lab7interrupts/Debug/Src/main.o Normal file
View File

Binary file not shown.

16
lab7interrupts/Debug/Src/subdir.mk
View File

@@ -3,6 +3,22 @@
################################################################################
# Add inputs and outputs from these tool invocations to the build variables
S_SRCS += \
../Src/delay.s \
../Src/keypad.s \
../Src/lcd.s \
../Src/main.s \
../Src/timer.s
OBJS += \
./Src/delay.o \
./Src/keypad.o \
./Src/lcd.o \
./Src/main.o \
./Src/timer.o
# Each subdirectory must supply rules for building sources it contributes
Src/%.o: ../Src/%.s
arm-none-eabi-gcc -mcpu=cortex-m4 -g3 -c -x assembler-with-cpp --specs=nano.specs -mfpu=fpv4-sp-d16 -mfloat-abi=hard -mthumb -o "$@" "$<"

BIN
lab7interrupts/Debug/Src/timer.o Normal file
View File

Binary file not shown.

BIN
lab7interrupts/Debug/lab7interrupts.elf Normal file
View File

Binary file not shown.

1420
lab7interrupts/Debug/lab7interrupts.list Normal file
View File

File diff suppressed because it is too large Load Diff

440
lab7interrupts/Debug/lab7interrupts.map
View File

@@ -24,6 +24,15 @@ Discarded input sections
.ARM.exidx 0x0000000000000000 0x8 c:/st/stm32cubeide_1.1.0/stm32cubeide/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.7-2018-q2-update.win32_1.0.0.201904181610/tools/bin/../lib/gcc/arm-none-eabi/7.3.1/../../../../arm-none-eabi/lib/thumb/v7e-m/fpv4-sp/hard/crt0.o
.ARM.attributes
0x0000000000000000 0x20 c:/st/stm32cubeide_1.1.0/stm32cubeide/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.7-2018-q2-update.win32_1.0.0.201904181610/tools/bin/../lib/gcc/arm-none-eabi/7.3.1/../../../../arm-none-eabi/lib/thumb/v7e-m/fpv4-sp/hard/crt0.o
.data 0x0000000000000000 0x0 Src/delay.o
.bss 0x0000000000000000 0x0 Src/delay.o
.data 0x0000000000000000 0x0 Src/keypad.o
.bss 0x0000000000000000 0x0 Src/keypad.o
.bss 0x0000000000000000 0x0 Src/lcd.o
.data 0x0000000000000000 0x0 Src/main.o
.bss 0x0000000000000000 0x0 Src/main.o
.data 0x0000000000000000 0x0 Src/timer.o
.bss 0x0000000000000000 0x0 Src/timer.o
.text 0x0000000000000000 0x14 Startup/startup_stm32f446retx.o
.data 0x0000000000000000 0x0 Startup/startup_stm32f446retx.o
.bss 0x0000000000000000 0x0 Startup/startup_stm32f446retx.o
@@ -84,6 +93,11 @@ Linker script and memory map
LOAD c:/st/stm32cubeide_1.1.0/stm32cubeide/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.7-2018-q2-update.win32_1.0.0.201904181610/tools/bin/../lib/gcc/arm-none-eabi/7.3.1/thumb/v7e-m/fpv4-sp/hard/crti.o
LOAD c:/st/stm32cubeide_1.1.0/stm32cubeide/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.7-2018-q2-update.win32_1.0.0.201904181610/tools/bin/../lib/gcc/arm-none-eabi/7.3.1/thumb/v7e-m/fpv4-sp/hard/crtbegin.o
LOAD c:/st/stm32cubeide_1.1.0/stm32cubeide/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.7-2018-q2-update.win32_1.0.0.201904181610/tools/bin/../lib/gcc/arm-none-eabi/7.3.1/../../../../arm-none-eabi/lib/thumb/v7e-m/fpv4-sp/hard/crt0.o
LOAD Src/delay.o
LOAD Src/keypad.o
LOAD Src/lcd.o
LOAD Src/main.o
LOAD Src/timer.o
LOAD Startup/startup_stm32f446retx.o
START GROUP
LOAD c:/st/stm32cubeide_1.1.0/stm32cubeide/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.7-2018-q2-update.win32_1.0.0.201904181610/tools/bin/../lib/gcc/arm-none-eabi/7.3.1/../../../../arm-none-eabi/lib/thumb/v7e-m/fpv4-sp/hard\libc_nano.a
@@ -116,216 +130,241 @@ LOAD c:/st/stm32cubeide_1.1.0/stm32cubeide/plugins/com.st.stm32cube.ide.mcu.exte
0x0000000008000000 g_pfnVectors
0x00000000080001c4 . = ALIGN (0x4)
.text 0x00000000080001c4 0xf4
.text 0x00000000080001c4 0x5cc
0x00000000080001c4 . = ALIGN (0x4)
*(.text)
.text 0x00000000080001c4 0x40 c:/st/stm32cubeide_1.1.0/stm32cubeide/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.7-2018-q2-update.win32_1.0.0.201904181610/tools/bin/../lib/gcc/arm-none-eabi/7.3.1/thumb/v7e-m/fpv4-sp/hard/crtbegin.o
.text 0x0000000008000204 0x38 Src/delay.o
0x0000000008000204 msDelay
0x000000000800022c usDelay
.text 0x000000000800023c 0x164 Src/keypad.o
0x000000000800023c KeyInit
0x000000000800025c KeyGetKeyNoblock
0x00000000080002f2 KeyGetKey
0x000000000800032a KeyGetChar
.text 0x00000000080003a0 0x304 Src/lcd.o
0x0000000008000474 lcdInit
0x00000000080004d4 lcdClear
0x00000000080004e8 lcdHome
0x00000000080004fc lcdSetPosition
0x000000000800051c lcdPrintString
0x0000000008000536 lcdPrintNum
0x000000000800057c lcdCursorLocation
0x0000000008000622 lcdBusyWait
.text 0x00000000080006a4 0xc Src/main.o
0x00000000080006a4 main
0x00000000080006b0 EXTI_BUTTON_PUSH
.text 0x00000000080006b0 0x2a Src/timer.o
0x00000000080006b0 timerInit
*(.text*)
*fill* 0x00000000080006da 0x2
.text.Reset_Handler
0x0000000008000204 0x50 Startup/startup_stm32f446retx.o
0x0000000008000204 Reset_Handler
0x00000000080006dc 0x50 Startup/startup_stm32f446retx.o
0x00000000080006dc Reset_Handler
.text.Default_Handler
0x0000000008000254 0x2 Startup/startup_stm32f446retx.o
0x0000000008000254 RTC_Alarm_IRQHandler
0x0000000008000254 EXTI2_IRQHandler
0x0000000008000254 TIM8_CC_IRQHandler
0x0000000008000254 SPDIF_Rx_IRQHandler
0x0000000008000254 DebugMon_Handler
0x0000000008000254 SPI4_IRQHandler
0x0000000008000254 TIM1_CC_IRQHandler
0x0000000008000254 QuadSPI_IRQHandler
0x0000000008000254 DMA2_Stream5_IRQHandler
0x0000000008000254 HardFault_Handler
0x0000000008000254 DMA1_Stream5_IRQHandler
0x0000000008000254 SysTick_Handler
0x0000000008000254 PVD_IRQHandler
0x0000000008000254 SDIO_IRQHandler
0x0000000008000254 TAMP_STAMP_IRQHandler
0x0000000008000254 PendSV_Handler
0x0000000008000254 NMI_Handler
0x0000000008000254 CAN2_RX1_IRQHandler
0x0000000008000254 EXTI3_IRQHandler
0x0000000008000254 TIM8_TRG_COM_TIM14_IRQHandler
0x0000000008000254 TIM1_UP_TIM10_IRQHandler
0x0000000008000254 FMPI2C1_error_IRQHandler
0x0000000008000254 TIM8_UP_TIM13_IRQHandler
0x0000000008000254 I2C3_ER_IRQHandler
0x0000000008000254 EXTI0_IRQHandler
0x0000000008000254 I2C2_EV_IRQHandler
0x0000000008000254 DMA1_Stream2_IRQHandler
0x0000000008000254 CAN1_RX0_IRQHandler
0x0000000008000254 FPU_IRQHandler
0x0000000008000254 OTG_HS_WKUP_IRQHandler
0x0000000008000254 UsageFault_Handler
0x0000000008000254 CAN2_SCE_IRQHandler
0x0000000008000254 DMA2_Stream2_IRQHandler
0x0000000008000254 SPI1_IRQHandler
0x0000000008000254 TIM6_DAC_IRQHandler
0x0000000008000254 TIM1_BRK_TIM9_IRQHandler
0x0000000008000254 DCMI_IRQHandler
0x0000000008000254 CAN2_RX0_IRQHandler
0x0000000008000254 DMA2_Stream3_IRQHandler
0x0000000008000254 FMPI2C1_IRQHandler
0x0000000008000254 SAI2_IRQHandler
0x0000000008000254 USART6_IRQHandler
0x0000000008000254 USART3_IRQHandler
0x0000000008000254 CAN1_RX1_IRQHandler
0x0000000008000254 UART5_IRQHandler
0x0000000008000254 DMA2_Stream0_IRQHandler
0x0000000008000254 TIM4_IRQHandler
0x0000000008000254 I2C1_EV_IRQHandler
0x0000000008000254 HDMI_CEC_IRQHandler
0x0000000008000254 DMA1_Stream6_IRQHandler
0x0000000008000254 DMA1_Stream1_IRQHandler
0x0000000008000254 UART4_IRQHandler
0x0000000008000254 TIM3_IRQHandler
0x0000000008000254 RCC_IRQHandler
0x0000000008000254 TIM8_BRK_TIM12_IRQHandler
0x0000000008000254 Default_Handler
0x0000000008000254 EXTI15_10_IRQHandler
0x0000000008000254 ADC_IRQHandler
0x0000000008000254 DMA1_Stream7_IRQHandler
0x0000000008000254 TIM7_IRQHandler
0x0000000008000254 CAN2_TX_IRQHandler
0x0000000008000254 TIM5_IRQHandler
0x0000000008000254 DMA2_Stream7_IRQHandler
0x0000000008000254 I2C3_EV_IRQHandler
0x0000000008000254 EXTI9_5_IRQHandler
0x0000000008000254 RTC_WKUP_IRQHandler
0x0000000008000254 SPI2_IRQHandler
0x0000000008000254 OTG_HS_EP1_IN_IRQHandler
0x0000000008000254 MemManage_Handler
0x0000000008000254 DMA1_Stream0_IRQHandler
0x0000000008000254 CAN1_TX_IRQHandler
0x0000000008000254 SVC_Handler
0x0000000008000254 EXTI4_IRQHandler
0x0000000008000254 OTG_HS_EP1_OUT_IRQHandler
0x0000000008000254 WWDG_IRQHandler
0x0000000008000254 TIM2_IRQHandler
0x0000000008000254 OTG_FS_WKUP_IRQHandler
0x0000000008000254 TIM1_TRG_COM_TIM11_IRQHandler
0x0000000008000254 OTG_HS_IRQHandler
0x0000000008000254 EXTI1_IRQHandler
0x0000000008000254 USART2_IRQHandler
0x0000000008000254 I2C2_ER_IRQHandler
0x0000000008000254 DMA2_Stream1_IRQHandler
0x0000000008000254 CAN1_SCE_IRQHandler
0x0000000008000254 FLASH_IRQHandler
0x0000000008000254 DMA2_Stream4_IRQHandler
0x0000000008000254 BusFault_Handler
0x0000000008000254 USART1_IRQHandler
0x0000000008000254 OTG_FS_IRQHandler
0x0000000008000254 SPI3_IRQHandler
0x0000000008000254 DMA1_Stream4_IRQHandler
0x0000000008000254 I2C1_ER_IRQHandler
0x0000000008000254 FMC_IRQHandler
0x0000000008000254 DMA2_Stream6_IRQHandler
0x0000000008000254 SAI1_IRQHandler
0x0000000008000254 DMA1_Stream3_IRQHandler
*fill* 0x0000000008000256 0x2
0x000000000800072c 0x2 Startup/startup_stm32f446retx.o
0x000000000800072c RTC_Alarm_IRQHandler
0x000000000800072c EXTI2_IRQHandler
0x000000000800072c TIM8_CC_IRQHandler
0x000000000800072c SPDIF_Rx_IRQHandler
0x000000000800072c DebugMon_Handler
0x000000000800072c SPI4_IRQHandler
0x000000000800072c TIM1_CC_IRQHandler
0x000000000800072c QuadSPI_IRQHandler
0x000000000800072c DMA2_Stream5_IRQHandler
0x000000000800072c HardFault_Handler
0x000000000800072c DMA1_Stream5_IRQHandler
0x000000000800072c SysTick_Handler
0x000000000800072c PVD_IRQHandler
0x000000000800072c SDIO_IRQHandler
0x000000000800072c TAMP_STAMP_IRQHandler
0x000000000800072c PendSV_Handler
0x000000000800072c NMI_Handler
0x000000000800072c CAN2_RX1_IRQHandler
0x000000000800072c EXTI3_IRQHandler
0x000000000800072c TIM8_TRG_COM_TIM14_IRQHandler
0x000000000800072c TIM1_UP_TIM10_IRQHandler
0x000000000800072c FMPI2C1_error_IRQHandler
0x000000000800072c TIM8_UP_TIM13_IRQHandler
0x000000000800072c I2C3_ER_IRQHandler
0x000000000800072c EXTI0_IRQHandler
0x000000000800072c I2C2_EV_IRQHandler
0x000000000800072c DMA1_Stream2_IRQHandler
0x000000000800072c CAN1_RX0_IRQHandler
0x000000000800072c FPU_IRQHandler
0x000000000800072c OTG_HS_WKUP_IRQHandler
0x000000000800072c UsageFault_Handler
0x000000000800072c CAN2_SCE_IRQHandler
0x000000000800072c DMA2_Stream2_IRQHandler
0x000000000800072c SPI1_IRQHandler
0x000000000800072c TIM6_DAC_IRQHandler
0x000000000800072c TIM1_BRK_TIM9_IRQHandler
0x000000000800072c DCMI_IRQHandler
0x000000000800072c CAN2_RX0_IRQHandler
0x000000000800072c DMA2_Stream3_IRQHandler
0x000000000800072c FMPI2C1_IRQHandler
0x000000000800072c SAI2_IRQHandler
0x000000000800072c USART6_IRQHandler
0x000000000800072c USART3_IRQHandler
0x000000000800072c CAN1_RX1_IRQHandler
0x000000000800072c UART5_IRQHandler
0x000000000800072c DMA2_Stream0_IRQHandler
0x000000000800072c TIM4_IRQHandler
0x000000000800072c I2C1_EV_IRQHandler
0x000000000800072c HDMI_CEC_IRQHandler
0x000000000800072c DMA1_Stream6_IRQHandler
0x000000000800072c DMA1_Stream1_IRQHandler
0x000000000800072c UART4_IRQHandler
0x000000000800072c TIM3_IRQHandler
0x000000000800072c RCC_IRQHandler
0x000000000800072c TIM8_BRK_TIM12_IRQHandler
0x000000000800072c Default_Handler
0x000000000800072c EXTI15_10_IRQHandler
0x000000000800072c ADC_IRQHandler
0x000000000800072c DMA1_Stream7_IRQHandler
0x000000000800072c TIM7_IRQHandler
0x000000000800072c CAN2_TX_IRQHandler
0x000000000800072c TIM5_IRQHandler
0x000000000800072c DMA2_Stream7_IRQHandler
0x000000000800072c I2C3_EV_IRQHandler
0x000000000800072c EXTI9_5_IRQHandler
0x000000000800072c RTC_WKUP_IRQHandler
0x000000000800072c SPI2_IRQHandler
0x000000000800072c OTG_HS_EP1_IN_IRQHandler
0x000000000800072c MemManage_Handler
0x000000000800072c DMA1_Stream0_IRQHandler
0x000000000800072c CAN1_TX_IRQHandler
0x000000000800072c SVC_Handler
0x000000000800072c EXTI4_IRQHandler
0x000000000800072c OTG_HS_EP1_OUT_IRQHandler
0x000000000800072c WWDG_IRQHandler
0x000000000800072c TIM2_IRQHandler
0x000000000800072c OTG_FS_WKUP_IRQHandler
0x000000000800072c TIM1_TRG_COM_TIM11_IRQHandler
0x000000000800072c OTG_HS_IRQHandler
0x000000000800072c EXTI1_IRQHandler
0x000000000800072c USART2_IRQHandler
0x000000000800072c I2C2_ER_IRQHandler
0x000000000800072c DMA2_Stream1_IRQHandler
0x000000000800072c CAN1_SCE_IRQHandler
0x000000000800072c FLASH_IRQHandler
0x000000000800072c DMA2_Stream4_IRQHandler
0x000000000800072c BusFault_Handler
0x000000000800072c USART1_IRQHandler
0x000000000800072c OTG_FS_IRQHandler
0x000000000800072c SPI3_IRQHandler
0x000000000800072c DMA1_Stream4_IRQHandler
0x000000000800072c I2C1_ER_IRQHandler
0x000000000800072c FMC_IRQHandler
0x000000000800072c DMA2_Stream6_IRQHandler
0x000000000800072c SAI1_IRQHandler
0x000000000800072c DMA1_Stream3_IRQHandler
*fill* 0x000000000800072e 0x2
.text.__libc_init_array
0x0000000008000258 0x48 c:/st/stm32cubeide_1.1.0/stm32cubeide/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.7-2018-q2-update.win32_1.0.0.201904181610/tools/bin/../lib/gcc/arm-none-eabi/7.3.1/../../../../arm-none-eabi/lib/thumb/v7e-m/fpv4-sp/hard\libc_nano.a(lib_a-init.o)
0x0000000008000258 __libc_init_array
0x0000000008000730 0x48 c:/st/stm32cubeide_1.1.0/stm32cubeide/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.7-2018-q2-update.win32_1.0.0.201904181610/tools/bin/../lib/gcc/arm-none-eabi/7.3.1/../../../../arm-none-eabi/lib/thumb/v7e-m/fpv4-sp/hard\libc_nano.a(lib_a-init.o)
0x0000000008000730 __libc_init_array
*(.glue_7)
.glue_7 0x00000000080002a0 0x0 linker stubs
.glue_7 0x0000000008000778 0x0 linker stubs
*(.glue_7t)
.glue_7t 0x00000000080002a0 0x0 linker stubs
.glue_7t 0x0000000008000778 0x0 linker stubs
*(.eh_frame)
.eh_frame 0x00000000080002a0 0x0 c:/st/stm32cubeide_1.1.0/stm32cubeide/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.7-2018-q2-update.win32_1.0.0.201904181610/tools/bin/../lib/gcc/arm-none-eabi/7.3.1/thumb/v7e-m/fpv4-sp/hard/crtbegin.o
.eh_frame 0x0000000008000778 0x0 c:/st/stm32cubeide_1.1.0/stm32cubeide/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.7-2018-q2-update.win32_1.0.0.201904181610/tools/bin/../lib/gcc/arm-none-eabi/7.3.1/thumb/v7e-m/fpv4-sp/hard/crtbegin.o
*(.init)
.init 0x00000000080002a0 0x4 c:/st/stm32cubeide_1.1.0/stm32cubeide/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.7-2018-q2-update.win32_1.0.0.201904181610/tools/bin/../lib/gcc/arm-none-eabi/7.3.1/thumb/v7e-m/fpv4-sp/hard/crti.o
0x00000000080002a0 _init
.init 0x00000000080002a4 0x8 c:/st/stm32cubeide_1.1.0/stm32cubeide/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.7-2018-q2-update.win32_1.0.0.201904181610/tools/bin/../lib/gcc/arm-none-eabi/7.3.1/thumb/v7e-m/fpv4-sp/hard/crtn.o
.init 0x0000000008000778 0x4 c:/st/stm32cubeide_1.1.0/stm32cubeide/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.7-2018-q2-update.win32_1.0.0.201904181610/tools/bin/../lib/gcc/arm-none-eabi/7.3.1/thumb/v7e-m/fpv4-sp/hard/crti.o
0x0000000008000778 _init
.init 0x000000000800077c 0x8 c:/st/stm32cubeide_1.1.0/stm32cubeide/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.7-2018-q2-update.win32_1.0.0.201904181610/tools/bin/../lib/gcc/arm-none-eabi/7.3.1/thumb/v7e-m/fpv4-sp/hard/crtn.o
*(.fini)
.fini 0x00000000080002ac 0x4 c:/st/stm32cubeide_1.1.0/stm32cubeide/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.7-2018-q2-update.win32_1.0.0.201904181610/tools/bin/../lib/gcc/arm-none-eabi/7.3.1/thumb/v7e-m/fpv4-sp/hard/crti.o
0x00000000080002ac _fini
.fini 0x00000000080002b0 0x8 c:/st/stm32cubeide_1.1.0/stm32cubeide/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.7-2018-q2-update.win32_1.0.0.201904181610/tools/bin/../lib/gcc/arm-none-eabi/7.3.1/thumb/v7e-m/fpv4-sp/hard/crtn.o
0x00000000080002b8 . = ALIGN (0x4)
0x00000000080002b8 _etext = .
.fini 0x0000000008000784 0x4 c:/st/stm32cubeide_1.1.0/stm32cubeide/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.7-2018-q2-update.win32_1.0.0.201904181610/tools/bin/../lib/gcc/arm-none-eabi/7.3.1/thumb/v7e-m/fpv4-sp/hard/crti.o
0x0000000008000784 _fini
.fini 0x0000000008000788 0x8 c:/st/stm32cubeide_1.1.0/stm32cubeide/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.7-2018-q2-update.win32_1.0.0.201904181610/tools/bin/../lib/gcc/arm-none-eabi/7.3.1/thumb/v7e-m/fpv4-sp/hard/crtn.o
0x0000000008000790 . = ALIGN (0x4)
0x0000000008000790 _etext = .
.vfp11_veneer 0x00000000080002b8 0x0
.vfp11_veneer 0x00000000080002b8 0x0 linker stubs
.vfp11_veneer 0x0000000008000790 0x0
.vfp11_veneer 0x0000000008000790 0x0 linker stubs
.v4_bx 0x00000000080002b8 0x0
.v4_bx 0x00000000080002b8 0x0 linker stubs
.v4_bx 0x0000000008000790 0x0
.v4_bx 0x0000000008000790 0x0 linker stubs
.iplt 0x00000000080002b8 0x0
.iplt 0x00000000080002b8 0x0 c:/st/stm32cubeide_1.1.0/stm32cubeide/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.7-2018-q2-update.win32_1.0.0.201904181610/tools/bin/../lib/gcc/arm-none-eabi/7.3.1/thumb/v7e-m/fpv4-sp/hard/crtbegin.o
.iplt 0x0000000008000790 0x0
.iplt 0x0000000008000790 0x0 c:/st/stm32cubeide_1.1.0/stm32cubeide/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.7-2018-q2-update.win32_1.0.0.201904181610/tools/bin/../lib/gcc/arm-none-eabi/7.3.1/thumb/v7e-m/fpv4-sp/hard/crtbegin.o
.rel.dyn 0x00000000080002b8 0x0
.rel.iplt 0x00000000080002b8 0x0 c:/st/stm32cubeide_1.1.0/stm32cubeide/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.7-2018-q2-update.win32_1.0.0.201904181610/tools/bin/../lib/gcc/arm-none-eabi/7.3.1/thumb/v7e-m/fpv4-sp/hard/crtbegin.o
.rodata 0x00000000080002b8 0x0
0x00000000080002b8 . = ALIGN (0x4)
.rodata 0x0000000008000790 0x14
0x0000000008000790 . = ALIGN (0x4)
*(.rodata)
.rodata 0x0000000008000790 0x11 Src/keypad.o
*(.rodata*)
0x00000000080002b8 . = ALIGN (0x4)
0x00000000080007a4 . = ALIGN (0x4)
*fill* 0x00000000080007a1 0x3
.ARM.extab 0x00000000080002b8 0x0
0x00000000080002b8 . = ALIGN (0x4)
.rel.dyn 0x00000000080007a4 0x0
.rel.iplt 0x00000000080007a4 0x0 c:/st/stm32cubeide_1.1.0/stm32cubeide/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.7-2018-q2-update.win32_1.0.0.201904181610/tools/bin/../lib/gcc/arm-none-eabi/7.3.1/thumb/v7e-m/fpv4-sp/hard/crtbegin.o
.ARM.extab 0x00000000080007a4 0x0
0x00000000080007a4 . = ALIGN (0x4)
*(.ARM.extab* .gnu.linkonce.armextab.*)
0x00000000080002b8 . = ALIGN (0x4)
0x00000000080007a4 . = ALIGN (0x4)
.ARM 0x00000000080002b8 0x0
0x00000000080002b8 . = ALIGN (0x4)
0x00000000080002b8 __exidx_start = .
.ARM 0x00000000080007a4 0x0
0x00000000080007a4 . = ALIGN (0x4)
0x00000000080007a4 __exidx_start = .
*(.ARM.exidx*)
0x00000000080002b8 __exidx_end = .
0x00000000080002b8 . = ALIGN (0x4)
0x00000000080007a4 __exidx_end = .
0x00000000080007a4 . = ALIGN (0x4)
.preinit_array 0x00000000080002b8 0x0
0x00000000080002b8 . = ALIGN (0x4)
0x00000000080002b8 PROVIDE (__preinit_array_start = .)
.preinit_array 0x00000000080007a4 0x0
0x00000000080007a4 . = ALIGN (0x4)
0x00000000080007a4 PROVIDE (__preinit_array_start = .)
*(.preinit_array*)
0x00000000080002b8 PROVIDE (__preinit_array_end = .)
0x00000000080002b8 . = ALIGN (0x4)
0x00000000080007a4 PROVIDE (__preinit_array_end = .)
0x00000000080007a4 . = ALIGN (0x4)
.init_array 0x00000000080002b8 0x4
0x00000000080002b8 . = ALIGN (0x4)
0x00000000080002b8 PROVIDE (__init_array_start = .)
.init_array 0x00000000080007a4 0x4
0x00000000080007a4 . = ALIGN (0x4)
0x00000000080007a4 PROVIDE (__init_array_start = .)
*(SORT_BY_NAME(.init_array.*))
*(.init_array*)
.init_array 0x00000000080002b8 0x4 c:/st/stm32cubeide_1.1.0/stm32cubeide/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.7-2018-q2-update.win32_1.0.0.201904181610/tools/bin/../lib/gcc/arm-none-eabi/7.3.1/thumb/v7e-m/fpv4-sp/hard/crtbegin.o
0x00000000080002bc PROVIDE (__init_array_end = .)
0x00000000080002bc . = ALIGN (0x4)
.init_array 0x00000000080007a4 0x4 c:/st/stm32cubeide_1.1.0/stm32cubeide/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.7-2018-q2-update.win32_1.0.0.201904181610/tools/bin/../lib/gcc/arm-none-eabi/7.3.1/thumb/v7e-m/fpv4-sp/hard/crtbegin.o
0x00000000080007a8 PROVIDE (__init_array_end = .)
0x00000000080007a8 . = ALIGN (0x4)
.fini_array 0x00000000080002bc 0x4
0x00000000080002bc . = ALIGN (0x4)
.fini_array 0x00000000080007a8 0x4
0x00000000080007a8 . = ALIGN (0x4)
[!provide] PROVIDE (__fini_array_start = .)
*(SORT_BY_NAME(.fini_array.*))
*(.fini_array*)
.fini_array 0x00000000080002bc 0x4 c:/st/stm32cubeide_1.1.0/stm32cubeide/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.7-2018-q2-update.win32_1.0.0.201904181610/tools/bin/../lib/gcc/arm-none-eabi/7.3.1/thumb/v7e-m/fpv4-sp/hard/crtbegin.o
.fini_array 0x00000000080007a8 0x4 c:/st/stm32cubeide_1.1.0/stm32cubeide/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.7-2018-q2-update.win32_1.0.0.201904181610/tools/bin/../lib/gcc/arm-none-eabi/7.3.1/thumb/v7e-m/fpv4-sp/hard/crtbegin.o
[!provide] PROVIDE (__fini_array_end = .)
0x00000000080002c0 . = ALIGN (0x4)
0x00000000080002c0 _sidata = LOADADDR (.data)
0x00000000080007ac . = ALIGN (0x4)
0x00000000080007ac _sidata = LOADADDR (.data)
.data 0x0000000020000000 0x0 load address 0x00000000080002c0
.data 0x0000000020000000 0x4 load address 0x00000000080007ac
0x0000000020000000 . = ALIGN (0x4)
0x0000000020000000 _sdata = .
*(.data)
.data 0x0000000020000000 0x4 Src/lcd.o
*(.data*)
0x0000000020000000 . = ALIGN (0x4)
0x0000000020000000 _edata = .
0x0000000020000004 . = ALIGN (0x4)
0x0000000020000004 _edata = .
.igot.plt 0x0000000020000000 0x0 load address 0x00000000080002c0
.igot.plt 0x0000000020000000 0x0 c:/st/stm32cubeide_1.1.0/stm32cubeide/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.7-2018-q2-update.win32_1.0.0.201904181610/tools/bin/../lib/gcc/arm-none-eabi/7.3.1/thumb/v7e-m/fpv4-sp/hard/crtbegin.o
0x0000000020000000 . = ALIGN (0x4)
.igot.plt 0x0000000020000004 0x0 load address 0x00000000080007b0
.igot.plt 0x0000000020000004 0x0 c:/st/stm32cubeide_1.1.0/stm32cubeide/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.7-2018-q2-update.win32_1.0.0.201904181610/tools/bin/../lib/gcc/arm-none-eabi/7.3.1/thumb/v7e-m/fpv4-sp/hard/crtbegin.o
0x0000000020000004 . = ALIGN (0x4)
.bss 0x0000000020000000 0x1c load address 0x00000000080002c0
0x0000000020000000 _sbss = .
0x0000000020000000 __bss_start__ = _sbss
.bss 0x0000000020000004 0x1c load address 0x00000000080007b0
0x0000000020000004 _sbss = .
0x0000000020000004 __bss_start__ = _sbss
*(.bss)
.bss 0x0000000020000000 0x1c c:/st/stm32cubeide_1.1.0/stm32cubeide/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.7-2018-q2-update.win32_1.0.0.201904181610/tools/bin/../lib/gcc/arm-none-eabi/7.3.1/thumb/v7e-m/fpv4-sp/hard/crtbegin.o
.bss 0x0000000020000004 0x1c c:/st/stm32cubeide_1.1.0/stm32cubeide/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.7-2018-q2-update.win32_1.0.0.201904181610/tools/bin/../lib/gcc/arm-none-eabi/7.3.1/thumb/v7e-m/fpv4-sp/hard/crtbegin.o
*(.bss*)
*(COMMON)
0x000000002000001c . = ALIGN (0x4)
0x000000002000001c _ebss = .
0x000000002000001c __bss_end__ = _ebss
0x0000000020000020 . = ALIGN (0x4)
0x0000000020000020 _ebss = .
0x0000000020000020 __bss_end__ = _ebss
._user_heap_stack
0x000000002000001c 0x604 load address 0x00000000080002c0
0x0000000020000020 0x600 load address 0x00000000080007b0
0x0000000020000020 . = ALIGN (0x8)
*fill* 0x000000002000001c 0x4
[!provide] PROVIDE (end = .)
[!provide] PROVIDE (_end = .)
0x0000000020000220 . = (. + _Min_Heap_Size)
@@ -347,28 +386,73 @@ LOAD c:/st/stm32cubeide_1.1.0/stm32cubeide/plugins/com.st.stm32cube.ide.mcu.exte
.ARM.attributes
0x0000000000000022 0x34 c:/st/stm32cubeide_1.1.0/stm32cubeide/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.7-2018-q2-update.win32_1.0.0.201904181610/tools/bin/../lib/gcc/arm-none-eabi/7.3.1/thumb/v7e-m/fpv4-sp/hard/crtbegin.o
.ARM.attributes
0x0000000000000056 0x21 Startup/startup_stm32f446retx.o
0x0000000000000056 0x25 Src/delay.o
.ARM.attributes
0x0000000000000077 0x34 c:/st/stm32cubeide_1.1.0/stm32cubeide/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.7-2018-q2-update.win32_1.0.0.201904181610/tools/bin/../lib/gcc/arm-none-eabi/7.3.1/../../../../arm-none-eabi/lib/thumb/v7e-m/fpv4-sp/hard\libc_nano.a(lib_a-init.o)
0x000000000000007b 0x25 Src/keypad.o
.ARM.attributes
0x00000000000000ab 0x22 c:/st/stm32cubeide_1.1.0/stm32cubeide/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.7-2018-q2-update.win32_1.0.0.201904181610/tools/bin/../lib/gcc/arm-none-eabi/7.3.1/thumb/v7e-m/fpv4-sp/hard/crtn.o
0x00000000000000a0 0x25 Src/lcd.o
.ARM.attributes
0x00000000000000c5 0x25 Src/main.o
.ARM.attributes
0x00000000000000ea 0x25 Src/timer.o
.ARM.attributes
0x000000000000010f 0x21 Startup/startup_stm32f446retx.o
.ARM.attributes
0x0000000000000130 0x34 c:/st/stm32cubeide_1.1.0/stm32cubeide/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.7-2018-q2-update.win32_1.0.0.201904181610/tools/bin/../lib/gcc/arm-none-eabi/7.3.1/../../../../arm-none-eabi/lib/thumb/v7e-m/fpv4-sp/hard\libc_nano.a(lib_a-init.o)
.ARM.attributes
0x0000000000000164 0x22 c:/st/stm32cubeide_1.1.0/stm32cubeide/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.7-2018-q2-update.win32_1.0.0.201904181610/tools/bin/../lib/gcc/arm-none-eabi/7.3.1/thumb/v7e-m/fpv4-sp/hard/crtn.o
OUTPUT(lab7interrupts.elf elf32-littlearm)
.debug_line 0x0000000000000000 0x84
.debug_line 0x0000000000000000 0x84 Startup/startup_stm32f446retx.o
.debug_line 0x0000000000000000 0x36b
.debug_line 0x0000000000000000 0x52 Src/delay.o
.debug_line 0x0000000000000052 0xcf Src/keypad.o
.debug_line 0x0000000000000121 0x13c Src/lcd.o
.debug_line 0x000000000000025d 0x3f Src/main.o
.debug_line 0x000000000000029c 0x4b Src/timer.o
.debug_line 0x00000000000002e7 0x84 Startup/startup_stm32f446retx.o
.debug_info 0x0000000000000000 0x22
.debug_info 0x0000000000000000 0x22 Startup/startup_stm32f446retx.o
.debug_info 0x0000000000000000 0xe0
.debug_info 0x0000000000000000 0x26 Src/delay.o
.debug_info 0x0000000000000026 0x26 Src/keypad.o
.debug_info 0x000000000000004c 0x26 Src/lcd.o
.debug_info 0x0000000000000072 0x26 Src/main.o
.debug_info 0x0000000000000098 0x26 Src/timer.o
.debug_info 0x00000000000000be 0x22 Startup/startup_stm32f446retx.o
.debug_abbrev 0x0000000000000000 0x12
.debug_abbrev 0x0000000000000000 0x12 Startup/startup_stm32f446retx.o
.debug_abbrev 0x0000000000000000 0x76
.debug_abbrev 0x0000000000000000 0x14 Src/delay.o
.debug_abbrev 0x0000000000000014 0x14 Src/keypad.o
.debug_abbrev 0x0000000000000028 0x14 Src/lcd.o
.debug_abbrev 0x000000000000003c 0x14 Src/main.o
.debug_abbrev 0x0000000000000050 0x14 Src/timer.o
.debug_abbrev 0x0000000000000064 0x12 Startup/startup_stm32f446retx.o
.debug_aranges 0x0000000000000000 0x28
.debug_aranges 0x0000000000000000 0xc8
.debug_aranges
0x0000000000000000 0x28 Startup/startup_stm32f446retx.o
0x0000000000000000 0x20 Src/delay.o
.debug_aranges
0x0000000000000020 0x20 Src/keypad.o
.debug_aranges
0x0000000000000040 0x20 Src/lcd.o
.debug_aranges
0x0000000000000060 0x20 Src/main.o
.debug_aranges
0x0000000000000080 0x20 Src/timer.o
.debug_aranges
0x00000000000000a0 0x28 Startup/startup_stm32f446retx.o
.debug_str 0x0000000000000000 0x73
.debug_str 0x0000000000000000 0x73 Startup/startup_stm32f446retx.o
.debug_str 0x0000000000000000 0xbc
.debug_str 0x0000000000000000 0x5f Src/delay.o
.debug_str 0x000000000000005f 0x10 Src/keypad.o
0x60 (size before relaxing)
.debug_str 0x000000000000006f 0xd Src/lcd.o
0x5d (size before relaxing)
.debug_str 0x000000000000007c 0xe Src/main.o
0x5e (size before relaxing)
.debug_str 0x000000000000008a 0xf Src/timer.o
0x5f (size before relaxing)
.debug_str 0x0000000000000099 0x23 Startup/startup_stm32f446retx.o
0x73 (size before relaxing)
.debug_ranges 0x0000000000000000 0x20
.debug_ranges 0x0000000000000000 0x20 Startup/startup_stm32f446retx.o

5
lab7interrupts/Debug/objects.list
View File

@@ -1 +1,6 @@
"Src/delay.o"
"Src/keypad.o"
"Src/lcd.o"
"Src/main.o"
"Src/timer.o"
"Startup/startup_stm32f446retx.o"

2
lab7interrupts/Debug/sources.mk
View File

@@ -16,6 +16,6 @@ C_DEPS :=
# Every subdirectory with source files must be described here
SUBDIRS := \
Startup \
Src \
Startup \

59
lab7interrupts/Src/delay.s Normal file
View File

@@ -0,0 +1,59 @@
# delay.s
# Trevor Barnes
# CE2801-031
# Description: A file for handling delay routines
.syntax unified
.cpu cortex-m4
.thumb
.section .text
.global msDelay
# A subroutine to create a delay of a certain number of milliseconds
# Input:
# r0: Length of delay (ms)
msDelay:
push {r1,r2,r3,lr}
mov r3,r0
ms_delay:
# 250 iterations = 1/16 of a millisecond
mov r2, #0x10
# Loop 16 times
1:
# 250
mov r1, #0xFA
# Loop 250 times
2:
sub r1, #1
cmp r1, #0
bne 2b
sub r2, #1
cmp r2, #0
bne 1b
sub r0, #1
cmp r0, #0
bne ms_delay
mov r0,r3
pop {r1,r2,r3,pc}
.global usDelay
# about r1 mircoseonds
usDelay:
# stack
push {lr}
lsl r1, r1, #3
1:
sub r1, r1, #1
cmp r1, #0
bne 1b
# return
pop {pc}

259
lab7interrupts/Src/keypad.s Normal file
View File

@@ -0,0 +1,259 @@
# keypad.s
# Trevor Barnes
# CE2801-031
# Description: Contains routines for the keypad component
.syntax unified
.cpu cortex-m4
.thumb
.section .text
.equ RCC_BASE, 0x40023800
.equ RCC_AHB1ENR, 0x30
.equ RCC_GPIOCEN, 1<<2
.equ GPIOC_BASE, 0x40020800
.equ GPIO_MODER, 0x00
.equ GPIO_ODR, 0x14
.equ GPIO_IDR, 0x10
.equ GPIO_PUPDR, 0x0C
.equ GPIO_BSRR, 0x18
# Row 1
.equ k1, 0xEE
.equ k2, 0xED
.equ k3, 0xEB
.equ k4, 0xE7
# Row 2
.equ k5, 0xDE
.equ k6, 0xDD
.equ k7, 0xDB
.equ k8, 0xD7
# Row 3
.equ k9, 0xBE
.equ k10, 0xBD
.equ k11, 0xBB
.equ k12, 0xB7
# Row 4
.equ k13, 0x7E
.equ k14, 0x7D
.equ k15, 0x7B
.equ k16, 0x77
.global KeyInit
# Initialize the keypad GPIO port.  
# Depending on your scanning algorithm,
# there may not be any work to do in this method
KeyInit:
push {r0,r1,r2,lr}
ldr r1, =RCC_BASE
ldr r2, [r1, #RCC_AHB1ENR]
orr r2, r2, #RCC_GPIOCEN
str r2, [r1, #RCC_AHB1ENR]
# Read current PUPDR state
ldr r1, =GPIOC_BASE
ldr r2, [r1, #GPIO_PUPDR]
# Modify and write rows and columns to be "Pull-Up"
bfc r2, #0, #16
ldr r0, =0x5555
orr r2, r2, r0
str r2, [r1, #GPIO_PUPDR]
pop {r0,r1,r2,pc}
.global KeyGetKeyNoblock
# Returns in r0 a numeric code representing
# the button on the keypad that was pressed (1 to 16),
# or 0 if no button is pressed
KeyGetKeyNoblock:
push {r1,r2,lr}
bl keypadScan
mov r1, #0
ubfx r2, r0, #4, #4
cmp r2, #0xF
beq 1f
add r1, #1
cmp r0, #k1
beq 1f
add r1, #1
cmp r0, #k2
beq 1f
add r1, #1
cmp r0, #k3
beq 1f
add r1, #1
cmp r0, #k4
beq 1f
add r1, #1
cmp r0, #k5
beq 1f
add r1, #1
cmp r0, #k6
beq 1f
add r1, #1
cmp r0, #k7
beq 1f
add r1, #1
cmp r0, #k8
beq 1f
add r1, #1
cmp r0, #k9
beq 1f
add r1, #1
cmp r0, #k10
beq 1f
add r1, #1
cmp r0, #k11
beq 1f
add r1, #1
cmp r0, #k12
beq 1f
add r1, #1
cmp r0, #k13
beq 1f
add r1, #1
cmp r0, #k14
beq 1f
add r1, #1
cmp r0, #k15
beq 1f
add r1, #1
cmp r0, #k16
beq 1f
1:
mov r0, r1
pop {r1,r2,pc}
.global KeyGetKey
# Same as KeyGetkeyNoblock, but blocks – that is,
# waits until a key is pressed and then returns the key code.  
# Per discussion in lecture, you may wish to return after said key
# is released
KeyGetKey:
push {r1,r2,r3,lr}
mov r0, #0
1:
mov r1, #10
bl usDelay
bl KeyGetKeyNoblock
cmp r0, #0
beq 1b
2:
# Row = Input | Col = Output
ldr r1, =GPIOC_BASE
ldr r2, [r1, #GPIO_MODER]
mov r3, #0x0055
bfi r2, r3, #0, #16
str r2, [r1, #GPIO_MODER]
# "0000" -> ODR (Col)
ldrb r2, [r1, #GPIO_ODR]
mov r3, #0x0
bfi r2, r3, #0, #4
strb r2, [r1, #GPIO_ODR]
# Store input data in r3
ldrb r3, [r1, #GPIO_IDR]
cmp r3, #0xF0
bne 2b
pop {r1,r2,r3,pc}
.global KeyGetChar
# Similar to KeyGetkey, but returns the ASCII code corresponding
# to the key press. 
# This method blocks. You should use a data structure in .rodata
# to map keys to characters
KeyGetChar:
push {r1,r2,lr}
bl KeyGetKey
sub r0, #1
mov r2, r0
ldr r1, =keyChars
ldrb r0, [r1, r2]
pop {r1,r2,pc}
# Waits for input on keypad and returns that value in r0
keypadScan:
push {r1,r2,r3,lr}
2:
# Row = Input | Col = Output
ldr r1, =GPIOC_BASE
ldr r2, [r1, #GPIO_MODER]
mov r0, #0x0055
bfi r2, r0, #0, #16
str r2, [r1, #GPIO_MODER]
# "0000" -> ODR (Col)
ldrb r2, [r1, #GPIO_ODR]
mov r3, #0x0
bfi r2, r3, #0, #4
strb r2, [r1, #GPIO_ODR]
# Store input data in r3
mov r0, r1
mov r1, #5
bl usDelay
mov r1, r0
ldrb r3, [r1, #GPIO_IDR]
# Row = Output | Col = Input
ldr r1, =GPIOC_BASE
ldr r2, [r1, #GPIO_MODER]
mov r0, #0x5500
bfi r2, r0, #0, #16
str r2, [r1, #GPIO_MODER]
# "0000" -> ODR (Row)
ldrb r2, [r1, #GPIO_ODR]
mov r0, #0x0
bfi r2, r0, #0, #4
strb r2, [r1, #GPIO_ODR]
mov r0, r1
mov r1, #5
bl usDelay
mov r1, r0
# Read IDR (Row & Col)
ldrb r0, [r1, #GPIO_IDR]
orr r0, r0, r3
pop {r1,r2,r3,pc}
.section .rodata
keyChars:
.asciz "123A456B789C*0#D"

476
lab7interrupts/Src/lcd.s Normal file
View File

@@ -0,0 +1,476 @@
# lcd.s
# Trevor Barnes
# CE2801-031
# Description: Contains routines for the LCD component
.syntax unified
.cpu cortex-m4
.thumb
.section .text
#Fill in addresses
.equ RCC_BASE, 0x40023800
.equ RCC_AHB1ENR, 0x30
.equ RCC_GPIOAEN, 1<<0
.equ RCC_GPIOCEN, 1<<2
.equ GPIOA_BASE, 0x40020000
.equ GPIOC_BASE, 0x40020800
.equ GPIO_MODER, 0x00
.equ GPIO_ODR, 0x14
.equ GPIO_IDR, 0x10
.equ GPIO_BSRR, 0x18
#What pin is each of these?
.equ RS, 8 // PC8
.equ RW, 9 // PC9
.equ E, 10 // PC10
#Commands for BSRR
.equ RS_SET, 1<<RS
.equ RS_CLR, 1<<(RS+16)
.equ RW_SET, 1<<RW
.equ RW_CLR, 1<<(RW+16)
.equ E_SET, 1<<E
.equ E_CLR, 1<<(E+16)
#Globally exposed functions
.global lcdInit
#Local helper function
PortSetup:
push {r1,r2,r3}
#Turn on Ports in RCC
ldr r1, =RCC_BASE
ldr r2, [r1, #RCC_AHB1ENR]
orr r2, r2, #RCC_GPIOAEN
str r2, [r1, #RCC_AHB1ENR]
ldr r2, [r1, #RCC_AHB1ENR]
orr r2, r2, #RCC_GPIOCEN
str r2, [r1, #RCC_AHB1ENR]
#Set DB Pins to Outputs
ldr r1, =GPIOA_BASE
ldr r2, [r1, #GPIO_MODER]
movw r3, 0x5500
movt r3, 0x0055
orr r2,r2, r3
movw r3, 0xAA00
movt r3, 0x00AA
bic r2, r2, r3
str r2, [r1, #GPIO_MODER]
#Set RS RW E Pins to Outputs
ldr r1, =GPIOC_BASE
ldr r2, [r1, #GPIO_MODER]
movw r3, 0x0000
movt r3, 0x0015
orr r2,r2, r3
movw r3, 0x0000
movt r3, 0x00EA
bic r2, r2, r3
str r2, [r1, #GPIO_MODER]
pop {r1,r2,r3}
bx lr
#Writes instruction
#RS=0 RW=0 R1-Arg
#No returns
WriteInstruction:
push {r2,r3,lr}
#Set RS=0,RW=0,E=0
ldr r2, =GPIOC_BASE
mov r3, RS_CLR
str r3, [r2, #GPIO_BSRR]
mov r3, RW_CLR
str r3, [r2, #GPIO_BSRR]
mov r3, E_CLR
str r3, [r2, #GPIO_BSRR]
#Set E=1
mov r3, E_SET
str r3, [r2, #GPIO_BSRR]
#Set R1 -> DataBus
lsl r1, #4
ldr r3, =GPIOA_BASE
ldr r2, [r3, #GPIO_ODR]
bfc r2, #4, #8
orr r2, r2, r1
str r2, [r3, #GPIO_ODR ]
#Set E=0
ldr r2, =GPIOC_BASE
mov r3, E_CLR
str r3, [r2, #GPIO_BSRR]
#Wait for appropriate delay
mov r1, #37
bl usDelay
pop {r2,r3,pc}
#Writes data
#RS=0 RW=0 R1-Arg
#No returns
WriteData:
push {r1,r2,r3,r4,lr}
#Set RS=1,RW=0,E=0
ldr r2, =GPIOC_BASE
mov r3, #RS_SET
str r3, [r2, #GPIO_BSRR]
mov r3, #RW_CLR
str r3, [r2, #GPIO_BSRR]
mov r3, #E_CLR
str r3, [r2, #GPIO_BSRR]
#Set E=1
mov r3, #E_SET
str r3, [r2, #GPIO_BSRR]
#Set R1 -> DataBus
lsl r1, #4
ldr r3, =GPIOA_BASE
ldr r2, [r3, #GPIO_ODR]
bfc r2, #4, #8
orr r2, r2, r1
str r2, [r3, #GPIO_ODR ]
#Set E=0
ldr r2, =GPIOC_BASE
mov r3, #E_CLR
str r3, [r2, #GPIO_BSRR]
#Wait for appropriate delay
mov r1, #37
bl usDelay
pop {r1,r2,r3,r4,pc}
#Code to intialize the lcd
lcdInit:
push {r0,r1,lr}
#Set up Ports
bl PortSetup
#Wait 40ms
mov r0, #40
bl msDelay
#Write Function Set (0x38)
mov r1, 0x38
bl WriteInstruction
mov r1, #37
bl usDelay
#Write Function Set (0x38)
mov r1, 0x38
bl WriteInstruction
mov r1, #37
bl usDelay
#Write Display On/Off(0x0F)
mov r1, 0x0F
bl WriteInstruction
mov r1, #37
bl usDelay
#Write Display Clear (0x01)
mov r1, 0x01
bl WriteInstruction
mov r1, #2
bl msDelay
#Write Entry Mode Set (0x06)
mov r1, 0x06
bl WriteInstruction
mov r1, #37
bl usDelay
pop {r0,r1,pc}
.global lcdClear
# clears the display
# no arguments or return
# includes necessary delay
lcdClear:
push {r0,r1,lr}
mov r1, 0x01
bl WriteInstruction
# Delay for at least 1.52ms
mov r0, #2
bl msDelay
pop {r0,r1,pc}
.global lcdHome
# moves cursor to the home position
# no arguments or return
# includes necessary delay
lcdHome:
push {r1,lr}
mov r1, #0x02
bl WriteInstruction
mov r0, #2
bl msDelay
pop {r1,pc}
.global lcdSetPosition
# moves cursor to the position indicated
# r0 is the zero-based row and r1 is the zero-based column, no return value
# includes necessary delay
lcdSetPosition:
push {r0,r1,lr}
# Sub values to "actual" positions
sub r0, r0, #1
sub r1, r1, #1
# Shift row to actual
lsl r0, r0, #6
orr r0, r0, r1
mov r1, #0x80
orr r1, r1, r0
bl WriteInstruction
pop {r0,r1,pc}
.global lcdPrintString
# prints a null terminated string to the display
# r0 contains the address of the null terminated string (usually located in .data or .rodata), returns the number of characters written to display in r0
# includes necessary delay
lcdPrintString:
push {r0,r1,r2,r3,lr}
mov r2, #0
loop:
ldrb r1, [r0, r2]
cmp r1, #0x00
beq done
bl WriteData
add r2, r2, #1
b loop
done:
mov r0, r1
pop {r0,r1,r2,r3,pc}
.global lcdPrintNum
# prints a (decimal) number to the display
# the number to be printed is in r0, values of 0 to 9999 will print, anything above 9999 should print Err.
# includes necessary delay
lcdPrintNum:
push {r0,r1,r2,r3,r4,lr}
bl num_to_ASCII
# Store num in memory
ldr r2, =numToPrint
str r0, [r2]
# Move cursor to right-most position
mov r1, #16
writeByte:
mov r0, #1
bl lcdSetPosition
mov r4, r0
mov r0, #1
bl msDelay
mov r0, r4
mov r0, r1
ldrb r1, [r2, r3]
bl WriteData
mov r4, r0
mov r0, #1
bl msDelay
mov r0, r4
add r3, r3, #1
cmp r3, #4
sub r1, r0, #1
cmp r3, #4
bne writeByte
pop {r0,r1,r2,r3,r4,pc}
.global lcdCursorLocation
# Returns the location of the cursor on the LCD (1-32)
# Location of cursor is returned in r0
lcdCursorLocation:
push {r1,lr}
pop {r1,pc}
# Takes in a value from 0-9999 and converts it to ASCII
# Input:
# r0: Input binary value
num_to_ASCII:
# If outside of range, return ASCII "Err."
push {r1,r2,r3,lr}
cmp r0,#0
blt out_of_range
# cmp r0,#9999
# bgt out_of_range
# Normal conversion behavior
mov r1, #16
lsl r0, #3
sub r1, #3
shift_cycle:
lsl r0, #1
sub r1, #1
cmp r1, #0
# Branch to encode section if shifted 16 times
beq encode
# Verify Each Nibble is less than or equal to 4
ubfx r2, r0, #16, #4
# If value is less than or equal to 4, then skip to next nibble
cmp r2, #4
ble 2f
add r2, #3
bfi r0, r2, #16, #4
2: ubfx r2, r0, #20, #4
# If value is less than or equal to 4, then skip to next nibble
cmp r2, #4
ble 3f
add r2, #3
bfi r0, r2, #20, #4
3: ubfx r2, r0, #24, #4
# If value is less than or equal to 4, then skip to next nibble
cmp r2, #4
ble 4f
add r2, #3
bfi r0, r2, #24, #4
4: ubfx r2, r0, #28, #4
# If value is less than or equal to 4 skip to end
cmp r2, #4
ble end_verify_nibbles
add r2, #3
bfi r0, r2, #28, #4
end_verify_nibbles:
b shift_cycle
encode:
mov r3, #3
# Encode BCD numbers to ASCII
# Extract ones nibble
ubfx r2, r0, #16, #4
# Insert ones nibble
bfi r1, r2, #0, #4
# Insert 3 in front of nibble for ASCII encoding
bfi r1, r3, #4, #4
# Extract tens nibble
ubfx r2, r0, #20, #4
# Insert tens nibble
bfi r1, r2, #8, #4
# Insert 3 in front of nibble for ASCII encoding
bfi r1, r3, #12, #4
# Extract hundreds nibble
ubfx r2, r0, #24, #4
# Insert hundreds nibble
bfi r1, r2, #16, #4
# Insert 3 in front of nibble for ASCII encoding
bfi r1, r3, #20, #4
# Extract thousands nibble
ubfx r2, r0, #28, #4
# Insert thousands nibble
bfi r1, r2, #24, #4
# Insert 3 in front of nibble for ASCII encoding
bfi r1, r3, #28, #4
b end_ASCII
out_of_range:
# Insert ASCII "Err."
movw r1, #0x722E
movt r1, #0x4572
end_ASCII:
# Return value in r0
mov r0, r1
pop {r1,r2,r3,pc}
.global lcdBusyWait
# Loops until the busy flag is 0
lcdBusyWait:
push {r0,r1,r2,r3,lr}
ldr r1, =GPIOA_BASE
ldr r2, [r1, #GPIO_MODER]
mov r3, #0
orr r2, r2, r3
movw r3, 0xFF00
movt r3, 0x00FF
bic r2, r2, r3
str r2, [r1, #GPIO_MODER]
#Set RS=0, RW=1, E=1
ldr r2, =GPIOC_BASE
mov r3, #RS_CLR
str r3, [r2, #GPIO_BSRR]
mov r3, #RW_SET
str r3, [r2, #GPIO_BSRR]
mov r3, #E_SET
str r3, [r2, #GPIO_BSRR]
busy:
#Set E=
mov r3, #E_SET
str r3, [r2, #GPIO_BSRR]
#Set Databus -> R1
ldr r3, =GPIOA_BASE
ldr r1, [r3, #GPIO_IDR]
#Set E=0
ldr r2, =GPIOC_BASE
mov r3, #E_CLR
str r3, [r2, #GPIO_BSRR]
mov r2, #0x0010
and r1, r2
lsr r1, #4
# Are we still busy?
cmp r1, #1
beq busy
# Return DB port to original mode
ldr r1, =GPIOA_BASE
ldr r2, [r1, #GPIO_MODER]
movw r3, 0x5500
movt r3, 0x0055
orr r2,r2, r3
movw r3, 0xAA00
movt r3, 0x00AA
bic r2, r2, r3
str r2, [r1, #GPIO_MODER]
pop {r0,r1,r2,r3,pc}
.section .data
numToPrint:
.word 0

67
lab7interrupts/Src/main.s Normal file
View File

@@ -0,0 +1,67 @@
# main.s
# Trevor Barnes
# CE2801-031
.syntax unified
.cpu cortex-m4
.thumb
.section .text
.global main
main:
bl lcdInit
bl KeyInit
bl timerInit
# Round count
mov r6, #0
mainLoop:
add r6, #1
beq showFastest
# Start timer
# Prompt user to push button to start (for random seed)
# Store random hex value
# Count down on lcd
# Print random hex value
# Start Timer
# Wait for button push interrupt
# Compare time with previous time, if faster than store it
b mainLoop
showFastest:
# Load fastTime
# Print the fastest time on LCD
# Wait for button push back to go back to reset round counter and branch back to mainLoop
mov r6, #0
.global EXTI_BUTTON_PUSH
.thumb_func
EXTI_BUTTON_PUSH:
# Compare button pushed value and stored random
# If they are equal, stop timer else branch past
bx lr
.section .data
fastTime:
.word 0

40
lab7interrupts/Src/timer.s Normal file
View File

@@ -0,0 +1,40 @@
# main.s
# Trevor Barnes
# CE2801-031
.syntax unified
.cpu cortex-m4
.thumb
.section .text
.equ CCMR_OCC1M_PWM, 0x18
.equ CCMR_OC1PE, 1<<4
.equ AFRL_TIM3_CH1_EN, 1<<4
.equ AFRL_OFFSET, 0x20
.equ CCMR_OFFSET, 0x18
.equ TIM3_BASE, 0x24
.global timerInit
timerInit:
push {r0-r4, lr}
#Alt func low reg for TIM3
ldr r1, [r0, #AFRL_OFFSET]
bfc r1, #16, #4
orr r1, r1, #AFRL_TIM3_CH1_EN
str r1, [r0, #AFRL_OFFSET]
#Enable CCMR1 for preload and set pwm
#Allows for the modification of the pulse
ldr r0, =TIM3_BASE
ldr r1, [r0, #CCMR_OFFSET]
bfc r1, #4, #3
mov r2, #CCMR_OCC1M_PWM
orr r2, r2, #CCMR_OC1PE
orr r1, r1, r2
str r1, [r0, #CCMR_OFFSET]
#Enable CCER to for TIM3 (TIC)
#Every 10 seconds, sample
pop {r0, r4}
bx lr

1
lab7interrupts/lab7interrupts Debug.launch
View File

@@ -59,4 +59,5 @@
<listAttribute key="org.eclipse.debug.core.MAPPED_RESOURCE_TYPES">
<listEntry value="4"/>
</listAttribute>
<stringAttribute key="process_factory_id" value="org.eclipse.cdt.dsf.gdb.GdbProcessFactory"/>
</launchConfiguration>