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minor improvements and unchecked files
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Gabriel
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Nov 12, 2020
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| Original file line number | Diff line number | Diff line change |
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| #https://developer.arm.com/open-source/gnu-toolchain/gnu-rm/downloads | ||
| set -e | ||
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| mkdir -p build | ||
| cd build | ||
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| arm-none-eabi-g++ -Os -Werror -fno-common -mcpu=cortex-m3 -mthumb -msoft-float -fno-exceptions -fno-rtti -fno-threadsafe-statics -Wno-psabi -DLA104 -DARDUINO=1000 -MD -D _ARM -D STM32F10X_HD -D STM32F10X_HD -c \ | ||
| ../source/main.cpp \ | ||
| ../source/stm32/stm32f10x_i2c.c -I../../../os_library/include/ -I../source/stm32 | ||
| arm-none-eabi-gcc -fPIC -mcpu=cortex-m3 -mthumb -o output.elf -nostartfiles -T ../source/app.lds \ | ||
| ./main.o \ | ||
| ./stm32f10x_i2c.o -lbios_la104 -L../../../os_library/build | ||
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| arm-none-eabi-objdump -d -S output.elf > output.asm | ||
| arm-none-eabi-readelf -all output.elf > output.txt | ||
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| find . -type f -name '*.o' -delete | ||
| find . -type f -name '*.d' -delete | ||
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| ../../../../tools/elfstrip/elfstrip output.elf 100i2ct.elf |
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| cp build/100i2ct.elf /Volumes/LA104/100i2ct.elf |
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| MEMORY | ||
| { | ||
| rom (rx) : ORIGIN = 0x0801ed00, LENGTH = 60K | ||
| ram (rwx) : ORIGIN = 0x20004800, LENGTH = 16K | ||
| null (rwx): ORIGIN = 0x00001000, LENGTH = 4K | ||
| } | ||
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| /* _estack = ORIGIN(ram)+LENGTH(ram)-0x100; */ | ||
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| SECTIONS | ||
| { | ||
| .text : { | ||
| *(.entry) | ||
| *(.text*) /* Program code */ | ||
| *(.rodata*) /* Read only data */ | ||
| } >rom | ||
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| .data : { | ||
| *(.data*) /* Data memory */ | ||
| /* *(.dynamic*) */ | ||
| } >ram AT >rom | ||
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| .bss : { | ||
| *(.bss*) /* Zero-filled run time allocate data memory */ | ||
| } >ram | ||
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| .rel.plt : { *(.rel.plt) } > rom | ||
| .plt : { *(.plt) } > rom | ||
| .got : { *(.got.plt) *(.got) } > ram /* relocation fixed by memory write! */ | ||
| .dynsym : { *(.dynsym) } > null | ||
| .dynstr : { *(.dynstr) } > null | ||
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| } | ||
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|
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| #include <library.h> | ||
| #include "../../../os_host/source/framework/Console.h" | ||
| #include "../../../os_host/source/framework/SimpleApp.h" | ||
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| extern "C" { | ||
| #include "stm32/stm32f10x_i2c.h" | ||
| #include "stm32/la104_i2c.h" | ||
| } | ||
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| long timeout = 0; | ||
| void TimeoutReset(long duration) | ||
| { | ||
| timeout = BIOS::SYS::GetTick() + duration; | ||
| } | ||
| bool Timeout() | ||
| { | ||
| EVERY(500) | ||
| { | ||
| CONSOLE::Color(RGB565(b0b0b0)); | ||
| CONSOLE::Print("."); | ||
| CONSOLE::Color(RGB565(ffffff)); | ||
| } | ||
| return BIOS::SYS::GetTick() > timeout; | ||
| } | ||
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| #define TIMEOUT(msg) if (Timeout()) { \ | ||
| CONSOLE::Color(RGB565(ff0000)); \ | ||
| CONSOLE::Print("Timeout: %s ", msg); \ | ||
| CONSOLE::Color(RGB565(ffffff)); \ | ||
| return false; \ | ||
| } | ||
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| bool I2C_check_presence(uint8_t HW_address) | ||
| { | ||
| HW_address <<= 1; | ||
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| BIOS::GPIO::PinMode(BIOS::GPIO::EPin::P1, BIOS::GPIO::EMode::Output); | ||
| BIOS::GPIO::PinMode(BIOS::GPIO::EPin::P2, BIOS::GPIO::EMode::Output); | ||
| BIOS::GPIO::DigitalWrite(BIOS::GPIO::EPin::P1, true); | ||
| BIOS::GPIO::DigitalWrite(BIOS::GPIO::EPin::P2, true); | ||
| BIOS::SYS::DelayMs(100); | ||
| BIOS::GPIO::PinMode(BIOS::GPIO::EPin::P1, BIOS::GPIO::EMode::I2c); | ||
| BIOS::GPIO::PinMode(BIOS::GPIO::EPin::P2, BIOS::GPIO::EMode::I2c); | ||
| BIOS::SYS::DelayMs(100); | ||
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| /* | ||
| // I2C_Cmd(I2Cx, DISABLE); | ||
| BIOS::GPIO::PinMode(BIOS::GPIO::EPin::P1, BIOS::GPIO::EMode::Input); | ||
| BIOS::SYS::DelayMs(100); | ||
| BIOS::GPIO::PinMode(BIOS::GPIO::EPin::P1, BIOS::GPIO::EMode::I2c); | ||
| // I2C_Cmd(I2Cx, ENABLE); | ||
| I2C_AcknowledgeConfig(I2Cx, DISABLE); | ||
| I2C_GenerateSTOP(I2Cx, ENABLE); | ||
| TimeoutReset(1000); | ||
| */ | ||
| /* | ||
| TimeoutReset(200); | ||
| while(I2C_GetFlagStatus(I2Cx, I2C_FLAG_BUSY)) | ||
| { | ||
| if (Timeout()) | ||
| { | ||
| BIOS::GPIO::PinMode(BIOS::GPIO::EPin::P1, BIOS::GPIO::EMode::Output); | ||
| BIOS::GPIO::PinMode(BIOS::GPIO::EPin::P2, BIOS::GPIO::EMode::Output); | ||
| BIOS::GPIO::DigitalWrite(BIOS::GPIO::EPin::P1, true); | ||
| BIOS::GPIO::DigitalWrite(BIOS::GPIO::EPin::P2, true); | ||
| BIOS::SYS::DelayMs(100); | ||
| BIOS::GPIO::PinMode(BIOS::GPIO::EPin::P1, BIOS::GPIO::EMode::I2c); | ||
| BIOS::GPIO::PinMode(BIOS::GPIO::EPin::P2, BIOS::GPIO::EMode::I2c); | ||
| BIOS::SYS::DelayMs(100); | ||
| CONSOLE::Print("[busy i2c workaround]"); | ||
| // _ASSERT(!I2C_GetFlagStatus(I2Cx, I2C_FLAG_BUSY)) | ||
| break; | ||
| } | ||
| } //TIMEOUT("1-busy"); | ||
| */ | ||
| TimeoutReset(500); | ||
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| // while(I2C_GetFlagStatus(I2Cx, I2C_FLAG_BUSY)) TIMEOUT("1-busy"); | ||
| I2C_GenerateSTART(I2Cx, ENABLE); | ||
| while(!I2C_CheckEvent(I2Cx, I2C_EVENT_MASTER_MODE_SELECT)) TIMEOUT("2-start"); | ||
| I2C_Send7bitAddress(I2Cx, HW_address, I2C_Direction_Transmitter); | ||
| while(!I2C_CheckEvent(I2Cx, I2C_EVENT_MASTER_TRANSMITTER_MODE_SELECTED)) TIMEOUT("3-transmit"); | ||
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| // I2C_SendData(I2Cx, addr); | ||
| // while(!I2C_CheckEvent(I2Cx, I2C_EVENT_MASTER_BYTE_TRANSMITTED)) TIMEOUT("4-address"); | ||
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| //I2C_AcknowledgeConfig(I2Cx, DISABLE); | ||
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| I2C_GenerateSTOP(I2Cx, ENABLE); | ||
| while(I2C_GetFlagStatus(I2Cx, I2C_FLAG_BUSY)) TIMEOUT("5-stop"); | ||
| return true; | ||
| } | ||
| /* | ||
| void I2C_burst_read(uint8_t HW_address, uint8_t addr, uint8_t n_data, uint8_t *data) | ||
| { | ||
| // <start><addr><ack><command><ack><start><addr><ack><data><nack><stop> | ||
| HW_address <<= 1; | ||
| while(I2C_GetFlagStatus(I2Cx, I2C_FLAG_BUSY)) q("a"); | ||
| I2C_GenerateSTART(I2Cx, ENABLE); | ||
| while(!I2C_CheckEvent(I2Cx, I2C_EVENT_MASTER_MODE_SELECT)) q("b"); | ||
| I2C_Send7bitAddress(I2Cx, HW_address, I2C_Direction_Transmitter); | ||
| while(!I2C_CheckEvent(I2Cx, I2C_EVENT_MASTER_TRANSMITTER_MODE_SELECTED)) q("c"); | ||
| I2C_SendData(I2Cx, addr); | ||
| while(!I2C_CheckEvent(I2Cx, I2C_EVENT_MASTER_BYTE_TRANSMITTED)) q("d"); | ||
| // I2C_GenerateSTOP(I2Cx, ENABLE); | ||
| I2C_GenerateSTART(I2Cx, ENABLE); | ||
| while(!I2C_CheckEvent(I2Cx, I2C_EVENT_MASTER_MODE_SELECT)) q("e"); | ||
| I2C_Send7bitAddress(I2Cx, HW_address, I2C_Direction_Receiver); | ||
| while (!I2C_CheckEvent(I2Cx, I2C_EVENT_MASTER_RECEIVER_MODE_SELECTED)) q("f"); | ||
| I2C_AcknowledgeConfig(I2Cx, ENABLE); | ||
| while(n_data--) { | ||
| if(!n_data) I2C_AcknowledgeConfig(I2Cx, DISABLE); | ||
| while (!I2C_CheckEvent(I2Cx, I2C_EVENT_MASTER_BYTE_RECEIVED)) q("g"); | ||
| *data++ = I2C_ReceiveData(I2Cx); | ||
| } | ||
| I2C_AcknowledgeConfig(I2Cx, DISABLE); | ||
| I2C_GenerateSTOP(I2Cx, ENABLE); | ||
| while(I2C_GetFlagStatus(I2Cx, I2C_FLAG_BUSY)) q("h"); | ||
| } | ||
| */ | ||
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| uint32_t* gpioStatus = nullptr; | ||
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| bool check() | ||
| { | ||
| if (*gpioStatus == 0) | ||
| { | ||
| return true; | ||
| } | ||
| else | ||
| CONSOLE::Print("[err:%d]", *gpioStatus); | ||
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| *gpioStatus = 0; | ||
| return false; | ||
| } | ||
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| void setup() | ||
| { | ||
| BIOS::GPIO::PinMode(BIOS::GPIO::EPin::P1, BIOS::GPIO::EMode::I2c); | ||
| gpioStatus = (uint32_t*)BIOS::SYS::GetAttribute(BIOS::SYS::EAttribute::GpioStatus); | ||
| } | ||
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| void loop() | ||
| { | ||
| if (I2C_check_presence(0x40)) | ||
| CONSOLE::Print("Good, "); | ||
| else | ||
| { | ||
| CONSOLE::Print("Bad, "); | ||
| } | ||
| BIOS::SYS::DelayMs(1000); | ||
| } | ||
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| #ifdef _ARM | ||
| __attribute__((__section__(".entry"))) | ||
| #endif | ||
| int _main(void) | ||
| { | ||
| APP::Init("I2C low level test"); | ||
| APP::Status("P1: SCL, P2: SDA"); | ||
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| setup(); | ||
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| BIOS::KEY::EKey key; | ||
| while ((key = BIOS::KEY::GetKey()) != BIOS::KEY::EKey::Escape) | ||
| { | ||
| loop(); | ||
| } | ||
| return 0; | ||
| } | ||
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| void _HandleAssertion(const char* file, int line, const char* cond) | ||
| { | ||
| BIOS::DBG::Print("Assertion failed in "); | ||
| BIOS::DBG::Print(file); | ||
| BIOS::DBG::Print(" [%d]: %s\n", line, cond); | ||
| while (1); | ||
| } |
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