From acdd758e56e28f22846e7d34d87f5533c8682574 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Karel=20Ko=C4=8D=C3=AD?= Date: Thu, 8 Oct 2015 20:59:26 +0200 Subject: Add implementation of USART and more ground changes --- examples/usartecho/echo.c | 25 +++++++++++++++++ examples/usartecho/makefile | 29 ++++++++++++++++++++ examples/usartecho/usart.elf | Bin 0 -> 15401 bytes examples/usartecho/usart.hex | 63 +++++++++++++++++++++++++++++++++++++++++++ 4 files changed, 117 insertions(+) create mode 100644 examples/usartecho/echo.c create mode 100644 examples/usartecho/makefile create mode 100755 examples/usartecho/usart.elf create mode 100644 examples/usartecho/usart.hex (limited to 'examples/usartecho') diff --git a/examples/usartecho/echo.c b/examples/usartecho/echo.c new file mode 100644 index 0000000..4d978f7 --- /dev/null +++ b/examples/usartecho/echo.c @@ -0,0 +1,25 @@ +#include +#include +#include +#include "../../usart.h" + +void rec(uint8_t data) { + if (data) + usart_send(data); +} + +int main() { + DDRB |= _BV(DDB1) | _BV(DDB2); + usart_init_uart(); + SREG |= _BV(7); + usart_send('a'); + usart_send('b'); + usart_send('c'); + usart_send('d'); + usart_send_str("\n\rHello, there is UART echo!\n\r"); + usart_receive = rec; + + while (1); +} + + diff --git a/examples/usartecho/makefile b/examples/usartecho/makefile new file mode 100644 index 0000000..343addc --- /dev/null +++ b/examples/usartecho/makefile @@ -0,0 +1,29 @@ +MAKEFLAGS += --no-builtin-rules + +MMCU = atmega328p +F_CPU = 16000000L +IOE_PREFIX = ../.. +IOE_CFLAGS = -Os -ffunction-sections -fdata-sections -fshort-enums -Wall -g \ + -DCONFIG_IOE_USART_OUTBUFFER_SIZE=64 \ + -DCONFIG_IOE_USART_OUTBUFFER_MODE=0 + +all: usart.hex + @echo Flash usart.hex to chip + +install: usart.hex + # TODO + +clean: ioeclean + $(RM) echo.o + $(RM) usart.elf usart.hex + +include ../../avr-ioe.mk + +usart.elf: %.elf: $(IOE_OBJ_USART) echo.o + avr-gcc -mmcu=$(MMCU) $^ -o $@ + +usart.hex: %.hex: %.elf + avr-objcopy -O ihex -R .eeprom $< $@ + +echo.o: %.o: %.c + avr-gcc $(IOE_CFLAGS) -c -o $@ $< diff --git a/examples/usartecho/usart.elf b/examples/usartecho/usart.elf new file mode 100755 index 0000000..211d0e9 Binary files /dev/null and b/examples/usartecho/usart.elf differ diff --git a/examples/usartecho/usart.hex b/examples/usartecho/usart.hex new file mode 100644 index 0000000..0eb90f0 --- /dev/null +++ b/examples/usartecho/usart.hex @@ -0,0 +1,63 @@ +:100000000C943B000C9458000C9458000C9458002D +:100010000C9458000C9458000C9458000C94580000 +:100020000C9458000C9458000C9458000C945800F0 +:100030000C9458000C9458000C9458000C945800E0 +:100040000C9458000C9458000C9441010C946C01D1 +:100050000C9458000C9458000C9458000C945800C0 +:100060000C9458000C94580065006A006E007200F1 +:1000700076007F00830011241FBECFEFD8E0DEBFE3 +:10008000CDBF11E0A0E0B1E0ECEBF3E002C00590E1 +:100090000D92A032B107D9F711E0A0E2B1E001C0A2 +:1000A0001D92A736B107E1F70E94B7010C94DC015D +:1000B0000C9400001092660190E08730910568F57D +:1000C000FC01EC5CFF4F0C94D60181E08093C500ED +:1000D00080EA0FC01092C5008FEC0BC01092C500D3 +:1000E00087E607C01092C50083E303C01092C500E5 +:1000F00089E18093C4008091C0008D7F0CC0109274 +:10010000C50082E203C01092C50080E18093C40064 +:100110008091C00082608093C000613059F030F05F +:10012000623091F48091C20080630CC08091C20063 +:100130008F7C08C08091C2008F7E8093C200809126 +:10014000C20080628093C200413031F0423049F4F5 +:100150008091C200886003C08091C200877F809335 +:10016000C200263079F030F42530F9F48091C200D5 +:10017000897F19C0273079F02830B9F48091C20006 +:10018000866011C08091C2008B7F8093C2008091F5 +:10019000C200826008C08091C2008D7F8093C2003F +:1001A0008091C20084608093C20088EB8093C1007C +:1001B0008FE38093250180932401089528E041E096 +:1001C00060E086E00C945A0090916601911106C09F +:1001D00091E0909366018093C60008959091250167 +:1001E000911105C0909124019F33E1F30BC0409120 +:1001F00024012091250150E030E0215031094217BF +:100200005307A9F3E0912501F0E0EC5DFE4F8283F6 +:1002100080912501811102C08FE303C080912501E7 +:100220008150809325010895CF93DF93EC0189914C +:10023000882319F00E94E400FACFDF91CF9108954E +:100240008091C0008C71089580916601089590910D +:10025000250180912401981728F480912401909120 +:1002600025010BC09091250180912401891738F454 +:100270008091240190912501805C891B089580E084 +:1002800008951F920F920FB60F9211242F933F9350 +:100290004F935F936F937F938F939F93AF93BF938E +:1002A000EF93FF93E0912201F0912301309719F031 +:1002B0008091C6000995FF91EF91BF91AF919F91F9 +:1002C0008F917F916F915F914F913F912F910F90FF +:1002D0000FBE0F901F9018951F920F920FB60F929E +:1002E00011242F933F934F935F936F937F938F933B +:1002F0009F93AF93BF93EF93FF93909124018091CD +:1003000025019817B1F0E0912401F0E0EC5DFE4F7B +:10031000928180912401811102C08FE303C08091FA +:100320002401815080932401992319F09093C600F1 +:1003300002C010926601E0912001F09121013097F6 +:1003400009F00995FF91EF91BF91AF919F918F9126 +:100350007F916F915F914F913F912F910F900FBEC1 +:100360000F901F90189581110C94E400089584B1AA +:10037000866084B90E94DE008FB780688FBF81E6F7 +:100380000E94E40082E60E94E40083E60E94E4000A +:1003900084E60E94E40080E091E00E94140183EB77 +:1003A00091E09093230180932201FFCFEE0FFF1F76 +:0C03B0000590F491E02D0994F894FFCF23 +:1003BC000A0D48656C6C6F2C207468657265206939 +:1003CC00732055415254206563686F210A0D00005B +:00000001FF -- cgit v1.2.3