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This commit is contained in:
Edward Emelianov 2023-01-11 21:19:18 +03:00
parent a5e420ac51
commit e98aa11f72
29 changed files with 54 additions and 46 deletions
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5
F0:F030,F042,F072/3steppersLB/Makefile
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@ -61,13 +61,12 @@ CFLAGS += -O2 -g -MD -D__thumb2__=1
CFLAGS += -Wall -Werror -Wextra -Wshadow -Wimplicit-function-declaration CFLAGS += -Wall -Werror -Wextra -Wshadow -Wimplicit-function-declaration
CFLAGS += -Wredundant-decls $(INCLUDE) CFLAGS += -Wredundant-decls $(INCLUDE)
# -Wmissing-prototypes -Wstrict-prototypes # -Wmissing-prototypes -Wstrict-prototypes
CFLAGS += -fno-common -ffunction-sections -fdata-sections CFLAGS += -fno-common -ffunction-sections -fdata-sections -flto
############################################################################### ###############################################################################
# Linker flags # Linker flags
LDFLAGS += --static -nostartfiles -nostdlib LDFLAGS += --static -nostartfiles -nostdlib
LDFLAGS += -Wl,--gc-sections -Wl,--print-memory-usage LDFLAGS += -Wl,--gc-sections -Wl,--print-memory-usage --specs=nano.specs -flto
#--specs=nano.specs
LDFLAGS += -L$(LIB_DIR) LDFLAGS += -L$(LIB_DIR)
LDFLAGS += -T$(LDSCRIPT) LDFLAGS += -T$(LDSCRIPT)
LDFLAGS += -Wl,-Map=$(OBJDIR)/$(BINARY).map LDFLAGS += -Wl,-Map=$(OBJDIR)/$(BINARY).map

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F0:F030,F042,F072/3steppersLB/steppers.bin
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4
F0:F030,F042,F072/3steppersLB/version.inc
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@ -1,2 +1,2 @@
#define BUILD_NUMBER "168" #define BUILD_NUMBER "169"
#define BUILD_DATE "2022-06-17" #define BUILD_DATE "2023-01-11"

4
F0:F030,F042,F072/inc/startup/vector.c
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@ -795,7 +795,7 @@ typedef struct {
extern unsigned _stack; extern unsigned _stack;
vector_table_t vector_table __attribute__ ((section(".vector_table"))) = { vector_table_t vector_table __attribute__ ((used, section(".vector_table"))) = {
.initial_sp_value = &_stack, .initial_sp_value = &_stack,
.reset = reset_handler, .reset = reset_handler,
.nmi = nmi_handler, .nmi = nmi_handler,
@ -828,7 +828,7 @@ void WEAK __attribute__ ((naked)) __attribute__ ((noreturn)) reset_handler(void)
char *src = &_ldata; char *src = &_ldata;
// enable 8-byte stack alignment to comply with AAPCS // enable 8-byte stack alignment to comply with AAPCS
SCB->CCR |= 0x00000200; // SCB->CCR |= 0x00000200;
// copy initialized variables data // copy initialized variables data
while ( dst < &_edata ) { *dst++ = *src++; } while ( dst < &_edata ) { *dst++ = *src++; }

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F1:F103/MLX90640/MLX90640.bin
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4
F1:F103/MLX90640/Makefile
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@ -63,12 +63,12 @@ LIB_DIR := $(INC_DIR)/ld
# C flags # C flags
CFLAGS += -O2 -g -D__thumb2__=1 -MD CFLAGS += -O2 -g -D__thumb2__=1 -MD
CFLAGS += -Wall -Werror -Wextra -Wshadow CFLAGS += -Wall -Werror -Wextra -Wshadow
CFLAGS += -fno-common -ffunction-sections -fdata-sections -fno-stack-protector CFLAGS += -fno-common -ffunction-sections -fdata-sections -fno-stack-protector
CFLAGS += $(ARCH_FLAGS) CFLAGS += $(ARCH_FLAGS)
############################################################################### ###############################################################################
# Linker flags # Linker flags
LDFLAGS += -nostartfiles --static -nostdlibs --gc-sections --print-memory-usage LDFLAGS += -nostartfiles --static -nostdlibs --gc-sections --print-memory-usage
LDFLAGS += -L$(LIB_DIR) -L$(TOOLCHLIB) LDFLAGS += -L$(LIB_DIR) -L$(TOOLCHLIB)
LDFLAGS += -T$(LDSCRIPT) LDFLAGS += -T$(LDSCRIPT)

4
F1:F103/PL2303_ringbuffer/Makefile
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@ -63,12 +63,12 @@ LIB_DIR := $(INC_DIR)/ld
# C flags # C flags
CFLAGS += -O2 -g -D__thumb2__=1 -MD -g -gdwarf-2 CFLAGS += -O2 -g -D__thumb2__=1 -MD -g -gdwarf-2
CFLAGS += -Wall -Werror -Wextra -Wshadow CFLAGS += -Wall -Werror -Wextra -Wshadow
CFLAGS += -fno-common -ffunction-sections -fdata-sections -fno-stack-protector -fshort-enums CFLAGS += -fno-common -ffunction-sections -fdata-sections -fno-stack-protector -fshort-enums
CFLAGS += $(ARCH_FLAGS) CFLAGS += $(ARCH_FLAGS)
############################################################################### ###############################################################################
# Linker flags # Linker flags
LDFLAGS += -nostartfiles --static -nostdlibs --gc-sections --print-memory-usage LDFLAGS += -nostartfiles --static --gc-sections --print-memory-usage -specs=nano.specs
LDFLAGS += -L$(LIB_DIR) -L$(TOOLCHLIB) LDFLAGS += -L$(LIB_DIR) -L$(TOOLCHLIB)
LDFLAGS += -T$(LDSCRIPT) LDFLAGS += -T$(LDSCRIPT)

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F1:F103/PL2303_ringbuffer/PL2303.bin
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4
F1:F103/PL2303_ringbuffer/version.inc
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@ -1,2 +1,2 @@
#define BUILD_NUMBER "71" #define BUILD_NUMBER "72"
#define BUILD_DATE "2022-05-28" #define BUILD_DATE "2023-01-11"

4
F1:F103/inc/startup/vector.c
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@ -795,7 +795,7 @@ typedef struct {
extern unsigned _stack; extern unsigned _stack;
vector_table_t vector_table __attribute__ ((section(".vector_table"))) = { vector_table_t vector_table __attribute__ ((used, section(".vector_table"))) = {
.initial_sp_value = &_stack, .initial_sp_value = &_stack,
.reset = reset_handler, .reset = reset_handler,
.nmi = nmi_handler, .nmi = nmi_handler,
@ -828,7 +828,7 @@ void WEAK __attribute__ ((naked)) __attribute__ ((noreturn)) reset_handler(void)
char *src = &_ldata; char *src = &_ldata;
// enable 8-byte stack alignment to comply with AAPCS // enable 8-byte stack alignment to comply with AAPCS
SCB->CCR |= 0x00000200; // SCB->CCR |= 0x00000200;
// copy initialized variables data // copy initialized variables data
while ( dst < &_edata ) { *dst++ = *src++; } while ( dst < &_edata ) { *dst++ = *src++; }

4
F3:F303/floatPrintf/Makefile
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@ -60,7 +60,7 @@ LIB_DIR := $(INC_DIR)/ld
CFLAGS += -g -gdwarf-2 # debuggin symbols in listing CFLAGS += -g -gdwarf-2 # debuggin symbols in listing
CFLAGS += -O2 -D__thumb2__=1 -MD CFLAGS += -O2 -D__thumb2__=1 -MD
CFLAGS += -Wall -Werror -Wextra -Wshadow CFLAGS += -Wall -Werror -Wextra -Wshadow
CFLAGS += -fshort-enums -ffunction-sections -fdata-sections CFLAGS += -fshort-enums -ffunction-sections -fdata-sections -flto
#CFLAGS += -fno-common -ffunction-sections -fdata-sections -fno-stack-protector #CFLAGS += -fno-common -ffunction-sections -fdata-sections -fno-stack-protector
CFLAGS += $(ARCH_FLAGS) CFLAGS += $(ARCH_FLAGS)
@ -68,7 +68,7 @@ CFLAGS += $(ARCH_FLAGS)
# Linker flags # Linker flags
#LDFLAGS += -nostartfiles --static -nostdlib -specs=nosys.specs -specs=nano.specs #LDFLAGS += -nostartfiles --static -nostdlib -specs=nosys.specs -specs=nano.specs
LDFLAGS += $(ARCH_FLAGS) LDFLAGS += $(ARCH_FLAGS)
LDFLAGS += -specs=nano.specs -specs=nosys.specs LDFLAGS += -specs=nano.specs -flto
LDFLAGS += -L$(LIB_DIR) LDFLAGS += -L$(LIB_DIR)
#-L$(TOOLCHLIB) #-L$(TOOLCHLIB)
LDFLAGS += -T$(LDSCRIPT) LDFLAGS += -T$(LDSCRIPT)

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F3:F303/floatPrintf/usart1.bin
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4
F3:F303/inc/startup/vector.c
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@ -798,7 +798,7 @@ typedef struct {
extern unsigned _stack; extern unsigned _stack;
vector_table_t vector_table __attribute__ ((section(".vector_table"))) = { vector_table_t vector_table __attribute__ ((used, section(".vector_table"))) = {
.initial_sp_value = &_stack, .initial_sp_value = &_stack,
.reset = reset_handler, .reset = reset_handler,
.nmi = nmi_handler, .nmi = nmi_handler,
@ -831,7 +831,7 @@ void WEAK __attribute__ ((naked)) __attribute__ ((noreturn)) reset_handler(void)
char *src = &_ldata; char *src = &_ldata;
// enable 8-byte stack alignment to comply with AAPCS // enable 8-byte stack alignment to comply with AAPCS
SCB->CCR |= 0x00000200; // SCB->CCR |= 0x00000200;
/* FPU settings ------------------------------------------------------------*/ /* FPU settings ------------------------------------------------------------*/
#if (__FPU_PRESENT == 1) #if (__FPU_PRESENT == 1)

4
F4:F401/blink/Makefile
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@ -70,7 +70,7 @@ LIB_DIR := $(INC_DIR)/ld
CFLAGS += -g3 -gdwarf-2 CFLAGS += -g3 -gdwarf-2
CFLAGS += -O2 -D__thumb2__=1 -MD CFLAGS += -O2 -D__thumb2__=1 -MD
CFLAGS += -Wall -Werror -Wextra -Wshadow CFLAGS += -Wall -Werror -Wextra -Wshadow
CFLAGS += -fshort-enums -ffunction-sections -fdata-sections CFLAGS += -fshort-enums -ffunction-sections -fdata-sections -flto
#CFLAGS += -fno-common -ffunction-sections -fdata-sections -fno-stack-protector #CFLAGS += -fno-common -ffunction-sections -fdata-sections -fno-stack-protector
CFLAGS += $(ARCH_FLAGS) CFLAGS += $(ARCH_FLAGS)
@ -78,7 +78,7 @@ CFLAGS += $(ARCH_FLAGS)
# Linker flags # Linker flags
#LDFLAGS += -nostartfiles --static -nostdlib -specs=nosys.specs -specs=nano.specs #LDFLAGS += -nostartfiles --static -nostdlib -specs=nosys.specs -specs=nano.specs
LDFLAGS += $(ARCH_FLAGS) LDFLAGS += $(ARCH_FLAGS)
LDFLAGS += -specs=nosys.specs -specs=nano.specs LDFLAGS += -specs=nano.specs -flto
LDFLAGS += -L$(LIB_DIR) LDFLAGS += -L$(LIB_DIR)
#LDFLAGS += -L$(TOOLCHLIB) #LDFLAGS += -L$(TOOLCHLIB)
LDFLAGS += -T$(LDSCRIPT) LDFLAGS += -T$(LDSCRIPT)

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F4:F401/blink/blink.bin
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2
F4:F401/inc/startup/vector.c
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@ -798,7 +798,7 @@ typedef struct {
extern unsigned _stack; extern unsigned _stack;
vector_table_t vector_table __attribute__ ((section(".vector_table"))) = { vector_table_t vector_table __attribute__ ((used, section(".vector_table"))) = {
.initial_sp_value = &_stack, .initial_sp_value = &_stack,
.reset = reset_handler, .reset = reset_handler,
.nmi = nmi_handler, .nmi = nmi_handler,

7
G0:G070/blink/Makefile
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@ -54,12 +54,11 @@ CFLAGS += -O2 -MD -D__thumb2__=1
CFLAGS += -Wall -Werror -Wextra -Wshadow -Wimplicit-function-declaration CFLAGS += -Wall -Werror -Wextra -Wshadow -Wimplicit-function-declaration
CFLAGS += -Wredundant-decls $(INCLUDE) CFLAGS += -Wredundant-decls $(INCLUDE)
# -Wmissing-prototypes -Wstrict-prototypes # -Wmissing-prototypes -Wstrict-prototypes
CFLAGS += -fno-common -ffunction-sections -fdata-sections CFLAGS += -fno-common -ffunction-sections -fdata-sections -flto
############################################################################### ###############################################################################
# Linker flags # Linker flags
LDFLAGS += --static -nostartfiles LDFLAGS += --static -nostartfiles --specs=nano.specs -flto
#--specs=nano.specs
LDFLAGS += -L$(LIB_DIR) LDFLAGS += -L$(LIB_DIR)
LDFLAGS += -T$(LDSCRIPT) LDFLAGS += -T$(LDSCRIPT)
LDFLAGS += -Wl,-Map=$(OBJDIR)/$(BINARY).map LDFLAGS += -Wl,-Map=$(OBJDIR)/$(BINARY).map
@ -127,7 +126,7 @@ clean:
@rmdir $(OBJDIR) 2>/dev/null || true @rmdir $(OBJDIR) 2>/dev/null || true
size: $(ELF) size: $(ELF)
$(SIZE) $(ELF) $(SIZE) -Ax $(ELF)
flash: $(BIN) flash: $(BIN)
@echo " FLASH $(BIN)" @echo " FLASH $(BIN)"

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G0:G070/blink/blink.bin
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4
G0:G070/i2c/Makefile
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@ -64,11 +64,11 @@ CFLAGS += -O2 -MD -D__thumb2__=1
CFLAGS += -Wall -Werror -Wextra -Wshadow -Wimplicit-function-declaration CFLAGS += -Wall -Werror -Wextra -Wshadow -Wimplicit-function-declaration
CFLAGS += -Wredundant-decls $(INCLUDE) CFLAGS += -Wredundant-decls $(INCLUDE)
# -Wmissing-prototypes -Wstrict-prototypes # -Wmissing-prototypes -Wstrict-prototypes
CFLAGS += -fno-common -ffunction-sections -fdata-sections CFLAGS += -fno-common -ffunction-sections -fdata-sections -flto
############################################################################### ###############################################################################
# Linker flags # Linker flags
LDFLAGS += --static -nostartfiles --specs=nano.specs LDFLAGS += --static -nostartfiles --specs=nano.specs -flto
LDFLAGS += -L$(LIB_DIR) LDFLAGS += -L$(LIB_DIR)
LDFLAGS += -T$(LDSCRIPT) LDFLAGS += -T$(LDSCRIPT)
LDFLAGS += -Wl,-Map=$(OBJDIR)/$(BINARY).map LDFLAGS += -Wl,-Map=$(OBJDIR)/$(BINARY).map

5
G0:G070/i2c/i2c.c
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@ -17,7 +17,8 @@
*/ */
#include <stm32g0.h> #include <stm32g0.h>
#include "strfunc.h" // mymemcpy #include <string.h>
#include "strfunc.h" // hexdump
#include "usart.h" #include "usart.h"
#include "i2c.h" #include "i2c.h"
@ -166,7 +167,7 @@ uint8_t write_i2c(uint8_t addr, uint8_t *data, uint8_t nbytes){
uint8_t write_i2c_dma(uint8_t addr, uint8_t *data, uint8_t nbytes){ uint8_t write_i2c_dma(uint8_t addr, uint8_t *data, uint8_t nbytes){
if(!data || nbytes < 1) return 0; if(!data || nbytes < 1) return 0;
mymemcpy((char*)I2Cbuf, (char*)data, nbytes); memcpy((char*)I2Cbuf, (char*)data, nbytes);
if(isI2Cbusy()) return 0; if(isI2Cbusy()) return 0;
i2cDMAsetup(1, nbytes); i2cDMAsetup(1, nbytes);
goterr = 0; goterr = 0;

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G0:G070/i2c/i2cscan.bin
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8
G0:G070/i2c/proto.c
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@ -17,6 +17,7 @@
*/ */
#include <stm32g0.h> #include <stm32g0.h>
#include <string.h>
#include "i2c.h" #include "i2c.h"
#include "strfunc.h" #include "strfunc.h"
#include "usart.h" #include "usart.h"
@ -24,6 +25,7 @@
#define LOCBUFFSZ (32) #define LOCBUFFSZ (32)
// local buffer for I2C data to send // local buffer for I2C data to send
static uint8_t locBuffer[LOCBUFFSZ]; static uint8_t locBuffer[LOCBUFFSZ];
extern volatile uint32_t Tms;
const char *helpstring = const char *helpstring =
"i0..2 - setup I2C with lowest..highest speed (7.7, 10 and 100kHz)\n" "i0..2 - setup I2C with lowest..highest speed (7.7, 10 and 100kHz)\n"
@ -36,6 +38,7 @@ const char *helpstring =
"In n - just read n bytes\n" "In n - just read n bytes\n"
"IN n - the same but with DMA\n" "IN n - the same but with DMA\n"
"Is - scan I2C bus\n" "Is - scan I2C bus\n"
"T - print current Tms\n"
"U - send long buffer over USART\n" "U - send long buffer over USART\n"
; ;
@ -167,6 +170,11 @@ char *parse_cmd(char *buf){
// "short" commands // "short" commands
if(buf[1]) return buf; // echo wrong data if(buf[1]) return buf; // echo wrong data
switch(*buf){ switch(*buf){
case 'T':
usart3_sendstr("T=");
usart3_sendstr(u2str(Tms));
usart3_send("\n", 1);
break;
case 'U': case 'U':
U3sendlong(longbuff); U3sendlong(longbuff);
break; break;

2
G0:G070/i2c/strfunc.c
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@ -247,7 +247,9 @@ char *getnum(const char *txt, uint32_t *N){
return nxt; return nxt;
} }
/*
void mymemcpy(char *dest, const char *src, int len){ void mymemcpy(char *dest, const char *src, int len){
if(len < 1) return; if(len < 1) return;
while(len--) *dest++ = *src++; while(len--) *dest++ = *src++;
} }
*/

5
G0:G070/i2c/usart.c
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@ -19,7 +19,6 @@
#include <stm32g0.h> #include <stm32g0.h>
#include <string.h> #include <string.h>
#include "strfunc.h" // mymemcpy
#include "usart.h" #include "usart.h"
// RX/TX DMA->CCR without EN flag // RX/TX DMA->CCR without EN flag
@ -84,7 +83,7 @@ int usart3_send(const char *str, int len){
int rest = UARTBUFSZ - txlen[tbufno]; int rest = UARTBUFSZ - txlen[tbufno];
if(rest == 0 && !u3txrdy) return 0; // buffer is full while transmission in process if(rest == 0 && !u3txrdy) return 0; // buffer is full while transmission in process
if(len < rest) rest = len; if(len < rest) rest = len;
mymemcpy((char*)(tbuf[tbufno] + txlen[tbufno]), str, rest); memcpy((char*)(tbuf[tbufno] + txlen[tbufno]), str, rest);
txlen[tbufno] += rest; txlen[tbufno] += rest;
if(!u3txrdy) return rest; if(!u3txrdy) return rest;
if(txlen[tbufno] == UARTBUFSZ) usart3_sendbuf(); if(txlen[tbufno] == UARTBUFSZ) usart3_sendbuf();
@ -92,7 +91,7 @@ int usart3_send(const char *str, int len){
len -= rest; len -= rest;
// now fill another - empty - buffer // now fill another - empty - buffer
if(len > UARTBUFSZ) len = UARTBUFSZ; if(len > UARTBUFSZ) len = UARTBUFSZ;
mymemcpy((char*)tbuf[tbufno], str + rest, len); memcpy((char*)tbuf[tbufno], str + rest, len);
txlen[tbufno] = len; txlen[tbufno] = len;
return rest + len; return rest + len;
} }

2
G0:G070/inc/startup/vector.c
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@ -88,7 +88,7 @@ typedef struct {
extern unsigned _stack; extern unsigned _stack;
vector_table_t vector_table __attribute__ ((section(".vector_table"))) = { vector_table_t vector_table __attribute__ ((used, section(".vector_table"))) = {
.initial_sp_value = &_stack, .initial_sp_value = &_stack,
.reset = reset_handler, .reset = reset_handler,
.nmi = nmi_handler, .nmi = nmi_handler,

7
G0:G070/usart/Makefile
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@ -64,12 +64,11 @@ CFLAGS += -O2 -MD -D__thumb2__=1
CFLAGS += -Wall -Werror -Wextra -Wshadow -Wimplicit-function-declaration CFLAGS += -Wall -Werror -Wextra -Wshadow -Wimplicit-function-declaration
CFLAGS += -Wredundant-decls $(INCLUDE) CFLAGS += -Wredundant-decls $(INCLUDE)
# -Wmissing-prototypes -Wstrict-prototypes # -Wmissing-prototypes -Wstrict-prototypes
CFLAGS += -fno-common -ffunction-sections -fdata-sections CFLAGS += -fno-common -ffunction-sections -fdata-sections -flto
############################################################################### ###############################################################################
# Linker flags # Linker flags
LDFLAGS += --static -nostartfiles LDFLAGS += --static -nostartfiles --specs=nano.specs -flto
#--specs=nano.specs
LDFLAGS += -L$(LIB_DIR) LDFLAGS += -L$(LIB_DIR)
LDFLAGS += -T$(LDSCRIPT) LDFLAGS += -T$(LDSCRIPT)
LDFLAGS += -Wl,-Map=$(OBJDIR)/$(BINARY).map LDFLAGS += -Wl,-Map=$(OBJDIR)/$(BINARY).map
@ -146,7 +145,7 @@ clean:
@rmdir $(OBJDIR) 2>/dev/null || true @rmdir $(OBJDIR) 2>/dev/null || true
size: $(ELF) size: $(ELF)
$(SIZE) $(ELF) $(SIZE) -Ax $(ELF)
flash: $(BIN) flash: $(BIN)
@echo " FLASH $(BIN)" @echo " FLASH $(BIN)"

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G0:G070/usart/usart.bin
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16
G0:G070/usart/usart.c
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@ -25,18 +25,18 @@
#define DMARXCCR (DMA_CCR_MINC | DMA_CCR_TCIE | DMA_CCR_TEIE) #define DMARXCCR (DMA_CCR_MINC | DMA_CCR_TCIE | DMA_CCR_TEIE)
#define DMATXCCR (DMA_CCR_MINC | DMA_CCR_DIR | DMA_CCR_TCIE | DMA_CCR_TEIE) #define DMATXCCR (DMA_CCR_MINC | DMA_CCR_DIR | DMA_CCR_TCIE | DMA_CCR_TEIE)
static int txrdy = 1, rxrdy = 0; // transmission done, next line received static volatile int txrdy = 1, rxrdy = 0; // transmission done, next line received
static int bufovr = 0, wasbufovr = 0; // Rx buffer overflow or error flag -> delete next line static volatile int bufovr = 0, wasbufovr = 0; // Rx buffer overflow or error flag -> delete next line
static int rbufno = 0, tbufno = 0; // current buf number static volatile int rbufno = 0, tbufno = 0; // current buf number
static char rbuf[2][UARTBUFSZ], tbuf[2][UARTBUFSZ]; // receive & transmit buffers static volatile char rbuf[2][UARTBUFSZ], tbuf[2][UARTBUFSZ]; // receive & transmit buffers
static int rxlen[2] = {0}, txlen[2] = {0}; static volatile int rxlen[2] = {0}, txlen[2] = {0};
char *usart3_getline(int *wasbo){ char *usart3_getline(int *wasbo){
if(wasbo) *wasbo = wasbufovr; if(wasbo) *wasbo = wasbufovr;
wasbufovr = 0; wasbufovr = 0;
if(!rxrdy) return NULL; if(!rxrdy) return NULL;
rxrdy = 0; // clear ready flag rxrdy = 0; // clear ready flag
return rbuf[!rbufno]; // current buffer is in filling stage, return old - filled - buffer return (char*)rbuf[!rbufno]; // current buffer is in filling stage, return old - filled - buffer
} }
#define USART_BRR(speed) ((64000000 + speed/2) / speed) #define USART_BRR(speed) ((64000000 + speed/2) / speed)
@ -87,7 +87,7 @@ int usart3_send(const char *str, int len){
int rest = UARTBUFSZ - txlen[tbufno]; int rest = UARTBUFSZ - txlen[tbufno];
if(rest == 0 && !txrdy) return 0; // buffer is full while transmission in process if(rest == 0 && !txrdy) return 0; // buffer is full while transmission in process
if(len < rest) rest = len; if(len < rest) rest = len;
mymemcpy(tbuf[tbufno] + txlen[tbufno], str, rest); mymemcpy((char*)(tbuf[tbufno] + txlen[tbufno]), str, rest);
txlen[tbufno] += rest; txlen[tbufno] += rest;
if(!txrdy) return rest; if(!txrdy) return rest;
if(txlen[tbufno] == UARTBUFSZ) usart3_sendbuf(); if(txlen[tbufno] == UARTBUFSZ) usart3_sendbuf();
@ -95,7 +95,7 @@ int usart3_send(const char *str, int len){
len -= rest; len -= rest;
// now fill another - empty - buffer // now fill another - empty - buffer
if(len > UARTBUFSZ) len = UARTBUFSZ; if(len > UARTBUFSZ) len = UARTBUFSZ;
mymemcpy(tbuf[tbufno], str + rest, len); mymemcpy((char*)tbuf[tbufno], str + rest, len);
txlen[tbufno] = len; txlen[tbufno] = len;
return rest + len; return rest + len;
} }

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@ -0,0 +1 @@
add -flto