Fix struct usart member mistake. Add example-usart.
This commit is contained in:
NIIBE Yutaka
47
example-usart/Makefile
Normal file
47
example-usart/Makefile
Normal file
@@ -0,0 +1,47 @@
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# Makefile for example application of Chopstx
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PROJECT = sample
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### Currently, it is for STM32 Nucleo L432
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###
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### Please change lines started with '###' for Cortex-M3 board.
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###
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### Please change lines started with '###' for Cortex-M0+ board
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### (STM32F0 Discovery).
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CHOPSTX = ..
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LDSCRIPT= sample.ld.m4
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### LDSCRIPT= sample.ld
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### LDSCRIPT= sample.ld.m3
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CSRC = sample.c
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CHIP=stm32l4
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USE_SYS = yes
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USE_USART = yes
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###################################
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CROSS = arm-none-eabi-
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CC = $(CROSS)gcc
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LD = $(CROSS)gcc
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OBJCOPY = $(CROSS)objcopy
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### MCU = cortex-m3
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### MCU = cortex-m0
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MCU = cortex-m4
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CWARN = -Wall -Wextra -Wstrict-prototypes
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DEFS = -DUSE_SYS3 -DFREE_STANDING -DMHZ=80
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### DEFS = -DFREE_STANDING -DUSE_SYS3 -DBUSY_LOOP -DCHX_FLAGS_MAIN=CHOPSTX_SCHED_RR
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OPT = -O3 -Os -g
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LIBS =
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####################
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include ../rules.mk
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board.h:
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@echo Please make a symbolic link \'board.h\' to a file in ../board;
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@exit 1
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sys.c: board.h
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distclean: clean
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rm -f board.h
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1
example-usart/board.h
Symbolic link
1
example-usart/board.h
Symbolic link
@@ -0,0 +1 @@
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../board/board-st-nucleo-l432.h
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136
example-usart/sample.c
Normal file
136
example-usart/sample.c
Normal file
@@ -0,0 +1,136 @@
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#include <stdint.h>
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#include <stdlib.h>
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#include <chopstx.h>
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#include "board.h"
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#include "sys.h" /* for set_led */
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#include <contrib/usart.h>
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static chopstx_mutex_t mtx;
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static chopstx_cond_t cnd0;
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static chopstx_cond_t cnd1;
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static uint8_t u, v;
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static uint8_t m; /* 0..100 */
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static void
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wait_for (uint32_t usec)
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{
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#if defined(BUSY_LOOP)
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uint32_t count = usec * 6;
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uint32_t i;
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for (i = 0; i < count; i++)
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asm volatile ("" : : "r" (i) : "memory");
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#else
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chopstx_usec_wait (usec);
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#endif
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}
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static void *
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pwm (void *arg)
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{
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(void)arg;
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chopstx_mutex_lock (&mtx);
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chopstx_cond_wait (&cnd0, &mtx);
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chopstx_mutex_unlock (&mtx);
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while (1)
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{
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set_led (u&v);
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wait_for (m);
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set_led (0);
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wait_for (100-m);
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}
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return NULL;
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}
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static void *
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blk (void *arg)
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{
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(void)arg;
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chopstx_mutex_lock (&mtx);
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chopstx_cond_wait (&cnd1, &mtx);
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chopstx_mutex_unlock (&mtx);
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while (1)
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{
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v = 0;
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wait_for (200*1000);
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v = 1;
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wait_for (200*1000);
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}
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return NULL;
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}
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#if defined(BUSY_LOOP)
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#define PRIO_PWM (CHOPSTX_SCHED_RR|1)
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#define PRIO_BLK (CHOPSTX_SCHED_RR|1)
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#else
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#define PRIO_PWM 3
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#define PRIO_BLK 2
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#endif
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#define STACK_MAIN
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#define STACK_PROCESS_1
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#define STACK_PROCESS_2
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#define STACK_PROCESS_3
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#include "stack-def.h"
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#define STACK_ADDR_PWM ((uint32_t)process1_base)
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#define STACK_SIZE_PWM (sizeof process1_base)
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#define STACK_ADDR_BLK ((uint32_t)process2_base)
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#define STACK_SIZE_BLK (sizeof process2_base)
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#define PRIO_USART 4
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#define STACK_ADDR_USART ((uint32_t)process3_base)
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#define STACK_SIZE_USART (sizeof process3_base)
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static int
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ss_notify (uint8_t dev_no, uint16_t state_bits)
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{
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(void)dev_no;
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(void)state_bits;
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return 0;
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}
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int
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main (int argc, const char *argv[])
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{
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(void)argc;
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(void)argv;
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chopstx_mutex_init (&mtx);
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chopstx_cond_init (&cnd0);
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chopstx_cond_init (&cnd1);
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m = 10;
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chopstx_create (PRIO_PWM, STACK_ADDR_PWM, STACK_SIZE_PWM, pwm, NULL);
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chopstx_create (PRIO_BLK, STACK_ADDR_BLK, STACK_SIZE_BLK, blk, NULL);
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chopstx_usec_wait (200*1000);
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chopstx_mutex_lock (&mtx);
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chopstx_cond_signal (&cnd0);
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chopstx_cond_signal (&cnd1);
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chopstx_mutex_unlock (&mtx);
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usart_init (PRIO_USART, STACK_ADDR_USART, STACK_SIZE_USART, ss_notify);
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usart_config (2, B115200 | CS8 | STOP1B);
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while (1)
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{
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u ^= 1;
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wait_for (200*1000*6);
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usart_write (2, "Hello\r\n", 7);
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}
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return 0;
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}
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126
example-usart/sample.ld
Normal file
126
example-usart/sample.ld
Normal file
@@ -0,0 +1,126 @@
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/*
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* ST32F0 memory setup.
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*/
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MEMORY
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{
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flash0 : org = 0x08000000, len = 4k
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flash : org = 0x08000000+0x1000, len = 60k
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ram : org = 0x20000000, len = 20k
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}
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__ram_start__ = ORIGIN(ram);
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__ram_size__ = 20k;
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__ram_end__ = __ram_start__ + __ram_size__;
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SECTIONS
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{
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. = 0;
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.sys : ALIGN(4) SUBALIGN(4)
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{
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_sys = .;
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KEEP(*(.vectors))
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. = ALIGN(16);
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KEEP(*(.sys.version))
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KEEP(*(.sys.board_id))
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KEEP(*(.sys.board_name))
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build/sys-*.o(.text)
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build/sys-*.o(.text.*)
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build/sys-*.o(.rodata)
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build/sys-*.o(.rodata.*)
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. = ALIGN(1024);
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/*
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*(.sys.0)
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*(.sys.1)
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*(.sys.2)
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*/
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} > flash0 =0xffffffff
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_text = .;
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.startup : ALIGN(128) SUBALIGN(128)
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{
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KEEP(*(.startup.vectors))
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. = ALIGN (16);
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} > flash =0xffffffff
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.text : ALIGN(16) SUBALIGN(16)
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{
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*(.text.startup.*)
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*(.text)
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*(.text.*)
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*(.rodata)
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*(.rodata.*)
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*(.glue_7t)
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*(.glue_7)
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*(.gcc*)
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. = ALIGN(8);
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} > flash
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.ARM.extab : {*(.ARM.extab* .gnu.linkonce.armextab.*)} > flash
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.ARM.exidx : {
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PROVIDE(__exidx_start = .);
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*(.ARM.exidx* .gnu.linkonce.armexidx.*)
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PROVIDE(__exidx_end = .);
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} > flash
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.eh_frame_hdr : {*(.eh_frame_hdr)} > flash
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.eh_frame : ONLY_IF_RO {*(.eh_frame)} > flash
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.textalign : ONLY_IF_RO { . = ALIGN(8); } > flash
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_etext = .;
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_textdata = _etext;
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.vectors_in_ram :
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{
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. = ALIGN(8);
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__vector_ram_addr__ = .;
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KEEP(*(.bss.startup.*))
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} > ram
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.stacks (NOLOAD) :
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{
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. = ALIGN(8);
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*(.main_stack)
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*(.process_stack.0)
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*(.process_stack.1)
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*(.process_stack.2)
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*(.process_stack.3)
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. = ALIGN(8);
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} > ram
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.data :
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{
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. = ALIGN(4);
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PROVIDE(_data = .);
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*(.data)
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. = ALIGN(4);
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*(.data.*)
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. = ALIGN(4);
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*(.ramtext)
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. = ALIGN(4);
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PROVIDE(_edata = .);
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} > ram AT > flash
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.bss :
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{
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. = ALIGN(4);
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PROVIDE(_bss_start = .);
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*(.bss)
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. = ALIGN(4);
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*(.bss.*)
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. = ALIGN(4);
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*(COMMON)
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. = ALIGN(4);
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PROVIDE(_bss_end = .);
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} > ram
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PROVIDE(end = .);
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_end = .;
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}
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__heap_base__ = _end;
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__heap_end__ = __ram_end__;
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116
example-usart/sample.ld.m3
Normal file
116
example-usart/sample.ld.m3
Normal file
@@ -0,0 +1,116 @@
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/*
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* ST32F103 memory setup.
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*/
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MEMORY
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{
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flash0 : org = 0x08000000, len = 4k
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flash : org = 0x08000000+0x1000, len = 60k
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ram : org = 0x20000000, len = 20k
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}
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__ram_start__ = ORIGIN(ram);
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__ram_size__ = 20k;
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__ram_end__ = __ram_start__ + __ram_size__;
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SECTIONS
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{
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. = 0;
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.sys : ALIGN(4) SUBALIGN(4)
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{
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_sys = .;
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KEEP(*(.vectors))
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. = ALIGN(16);
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KEEP(*(.sys.version))
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KEEP(*(.sys.board_id))
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KEEP(*(.sys.board_name))
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build/sys-*.o(.text)
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build/sys-*.o(.text.*)
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build/sys-*.o(.rodata)
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build/sys-*.o(.rodata.*)
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. = ALIGN(1024);
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*(.sys.0)
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*(.sys.1)
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*(.sys.2)
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} > flash0
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_text = .;
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.startup : ALIGN(128) SUBALIGN(128)
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{
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KEEP(*(.startup.vectors))
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. = ALIGN (16);
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} > flash =0xffffffff
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.text : ALIGN(16) SUBALIGN(16)
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{
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*(.text.startup.*)
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*(.text)
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*(.text.*)
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*(.rodata)
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*(.rodata.*)
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*(.glue_7t)
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*(.glue_7)
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*(.gcc*)
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. = ALIGN(8);
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} > flash
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.ARM.extab : {*(.ARM.extab* .gnu.linkonce.armextab.*)} > flash
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.ARM.exidx : {
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PROVIDE(__exidx_start = .);
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*(.ARM.exidx* .gnu.linkonce.armexidx.*)
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PROVIDE(__exidx_end = .);
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} > flash
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.eh_frame_hdr : {*(.eh_frame_hdr)} > flash
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.eh_frame : ONLY_IF_RO {*(.eh_frame)} > flash
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.textalign : ONLY_IF_RO { . = ALIGN(8); } > flash
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|
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_etext = .;
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_textdata = _etext;
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|
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.stacks (NOLOAD) :
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{
|
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*(.main_stack)
|
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*(.process_stack.0)
|
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*(.process_stack.1)
|
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*(.process_stack.2)
|
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*(.process_stack.3)
|
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. = ALIGN(8);
|
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} > ram
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|
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.data :
|
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{
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. = ALIGN(4);
|
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PROVIDE(_data = .);
|
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*(.data)
|
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. = ALIGN(4);
|
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*(.data.*)
|
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. = ALIGN(4);
|
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*(.ramtext)
|
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. = ALIGN(4);
|
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PROVIDE(_edata = .);
|
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} > ram AT > flash
|
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|
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.bss :
|
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{
|
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. = ALIGN(4);
|
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PROVIDE(_bss_start = .);
|
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*(.bss)
|
||||
. = ALIGN(4);
|
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*(.bss.*)
|
||||
. = ALIGN(4);
|
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*(COMMON)
|
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. = ALIGN(4);
|
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PROVIDE(_bss_end = .);
|
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} > ram
|
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|
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PROVIDE(end = .);
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_end = .;
|
||||
}
|
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|
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__heap_base__ = _end;
|
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__heap_end__ = __ram_end__;
|
||||
107
example-usart/sample.ld.m4
Normal file
107
example-usart/sample.ld.m4
Normal file
@@ -0,0 +1,107 @@
|
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/*
|
||||
* ST32L4 memory setup.
|
||||
*/
|
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MEMORY
|
||||
{
|
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flash : org = 0x08000000, len = 256k
|
||||
ram : org = 0x20000000, len = 48k
|
||||
}
|
||||
|
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__ram_start__ = ORIGIN(ram);
|
||||
__ram_size__ = 20k;
|
||||
__ram_end__ = __ram_start__ + __ram_size__;
|
||||
|
||||
SECTIONS
|
||||
{
|
||||
. = 0;
|
||||
|
||||
_text = .;
|
||||
|
||||
.startup : ALIGN(128) SUBALIGN(128)
|
||||
{
|
||||
KEEP(*(.startup.vectors))
|
||||
. = ALIGN(16);
|
||||
_sys = .;
|
||||
. = ALIGN(16);
|
||||
KEEP(*(.sys.version))
|
||||
KEEP(*(.sys.board_id))
|
||||
KEEP(*(.sys.board_name))
|
||||
build/sys-*.o(.text)
|
||||
build/sys-*.o(.text.*)
|
||||
build/sys-*.o(.rodata)
|
||||
build/sys-*.o(.rodata.*)
|
||||
. = ALIGN(1024);
|
||||
} > flash =0xffffffff
|
||||
|
||||
.text : ALIGN(16) SUBALIGN(16)
|
||||
{
|
||||
*(.text.startup.*)
|
||||
*(.text)
|
||||
*(.text.*)
|
||||
*(.rodata)
|
||||
*(.rodata.*)
|
||||
*(.glue_7t)
|
||||
*(.glue_7)
|
||||
*(.gcc*)
|
||||
. = ALIGN(8);
|
||||
} > flash
|
||||
|
||||
.ARM.extab : {*(.ARM.extab* .gnu.linkonce.armextab.*)} > flash
|
||||
|
||||
.ARM.exidx : {
|
||||
PROVIDE(__exidx_start = .);
|
||||
*(.ARM.exidx* .gnu.linkonce.armexidx.*)
|
||||
PROVIDE(__exidx_end = .);
|
||||
} > flash
|
||||
|
||||
.eh_frame_hdr : {*(.eh_frame_hdr)} > flash
|
||||
|
||||
.eh_frame : ONLY_IF_RO {*(.eh_frame)} > flash
|
||||
|
||||
.textalign : ONLY_IF_RO { . = ALIGN(8); } > flash
|
||||
|
||||
_etext = .;
|
||||
_textdata = _etext;
|
||||
|
||||
.stacks (NOLOAD) :
|
||||
{
|
||||
*(.main_stack)
|
||||
*(.process_stack.0)
|
||||
*(.process_stack.1)
|
||||
*(.process_stack.2)
|
||||
*(.process_stack.3)
|
||||
. = ALIGN(8);
|
||||
} > ram
|
||||
|
||||
.data :
|
||||
{
|
||||
. = ALIGN(4);
|
||||
PROVIDE(_data = .);
|
||||
*(.data)
|
||||
. = ALIGN(4);
|
||||
*(.data.*)
|
||||
. = ALIGN(4);
|
||||
*(.ramtext)
|
||||
. = ALIGN(4);
|
||||
PROVIDE(_edata = .);
|
||||
} > ram AT > flash
|
||||
|
||||
.bss :
|
||||
{
|
||||
. = ALIGN(4);
|
||||
PROVIDE(_bss_start = .);
|
||||
*(.bss)
|
||||
. = ALIGN(4);
|
||||
*(.bss.*)
|
||||
. = ALIGN(4);
|
||||
*(COMMON)
|
||||
. = ALIGN(4);
|
||||
PROVIDE(_bss_end = .);
|
||||
} > ram
|
||||
|
||||
PROVIDE(end = .);
|
||||
_end = .;
|
||||
}
|
||||
|
||||
__heap_base__ = _end;
|
||||
__heap_end__ = __ram_end__;
|
||||
54
example-usart/stack-def.h
Normal file
54
example-usart/stack-def.h
Normal file
@@ -0,0 +1,54 @@
|
||||
#define MAIN_SIZE 0x0080 /* Idle+Exception handlers */
|
||||
#define SIZE_0 0x0200 /* Main program */
|
||||
#define SIZE_1 0x0100 /* first thread program */
|
||||
#define SIZE_2 0x0100 /* second thread program */
|
||||
#define SIZE_3 0x0200 /* third thread program */
|
||||
|
||||
#if defined(STACK_MAIN)
|
||||
/*
|
||||
* The terminology of "main" is confusing in ARM architecture.
|
||||
* Here, "main_base" is for exception handlers.
|
||||
*/
|
||||
/* Idle+Exception handlers */
|
||||
char __main_stack_end__[0] __attribute__ ((section(".main_stack")));
|
||||
char main_base[MAIN_SIZE] __attribute__ ((section(".main_stack")));
|
||||
|
||||
/* Main program */
|
||||
char __process0_stack_end__[0] __attribute__ ((section(".process_stack.0")));
|
||||
char process0_base[SIZE_0] __attribute__ ((section(".process_stack.0")));
|
||||
#endif
|
||||
|
||||
/* First thread program */
|
||||
#if defined(STACK_PROCESS_1)
|
||||
char process1_base[SIZE_1] __attribute__ ((section(".process_stack.1")));
|
||||
#endif
|
||||
|
||||
/* Second thread program */
|
||||
#if defined(STACK_PROCESS_2)
|
||||
char process2_base[SIZE_2] __attribute__ ((section(".process_stack.2")));
|
||||
#endif
|
||||
|
||||
/* Third thread program */
|
||||
#if defined(STACK_PROCESS_3)
|
||||
char process3_base[SIZE_3] __attribute__ ((section(".process_stack.3")));
|
||||
#endif
|
||||
|
||||
/* Fourth thread program */
|
||||
#if defined(STACK_PROCESS_4)
|
||||
char process4_base[SIZE_4] __attribute__ ((section(".process_stack.4")));
|
||||
#endif
|
||||
|
||||
/* Fifth thread program */
|
||||
#if defined(STACK_PROCESS_5)
|
||||
char process5_base[SIZE_5] __attribute__ ((section(".process_stack.5")));
|
||||
#endif
|
||||
|
||||
/* Sixth thread program */
|
||||
#if defined(STACK_PROCESS_6)
|
||||
char process6_base[SIZE_6] __attribute__ ((section(".process_stack.6")));
|
||||
#endif
|
||||
|
||||
/* Seventh thread program */
|
||||
#if defined(STACK_PROCESS_7)
|
||||
char process7_base[SIZE_7] __attribute__ ((section(".process_stack.7")));
|
||||
#endif
|
||||
Reference in New Issue
Block a user