mirror of
https://github.com/oliverschmidt/contiki.git
synced 2024-09-12 12:55:49 +00:00
stm32f107_basic: Add support for a simple stm32f107 platform
This platform is a basic waveshare stm32f107 devkit which contains a USART, USB device port, some buttons and some LEDs. Unfortunately not enough to bring up networking, but enough to test building and a simple contiki shell
This commit is contained in:
parent
5c6018f0e2
commit
222f93f023
26
platform/stm32f107_basic/Makefile
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26
platform/stm32f107_basic/Makefile
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@ -0,0 +1,26 @@
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TARGET=stm32f107_basic
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all: stm32f107_basic
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CONTIKI=../..
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CONTIKI_TARGET_MAIN=contiki-main.c
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PROJECT_SOURCEFILES = parity.c
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randgen: randgen.c
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gcc -DNDEBUG -I $(CONTIKI)/cpu/arm/stm32f107/ -I . -I $(CONTIKI)/core randgen.c -o randgen
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randcheck: randcheck.c
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gcc -DNDEBUG -I $(CONTIKI)/cpu/arm/stm32f107/ -I . -I $(CONTIKI)/core randcheck.c -o randcheck
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clean: stm32test_clean
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.PHONY: stm32test_clean
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stm32test_clean:
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include $(CONTIKI)/Makefile.include
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20
platform/stm32f107_basic/Makefile.stm32f107_basic
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20
platform/stm32f107_basic/Makefile.stm32f107_basic
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@ -0,0 +1,20 @@
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CONTIKI_TARGET_DIRS = . dev
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# Master clock frequency
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MCK=72000000
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CFLAGS+=-DAUTOSTART_ENABLE
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ifndef CONTIKI_TARGET_MAIN
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CONTIKI_TARGET_MAIN = contiki-main.c
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endif
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CONTIKI_TARGET_SOURCEFILES += $(CONTIKI_TARGET_MAIN)
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CONTIKI_TARGET_SOURCEFILES += debug-uart.c newlib.c gqueue.c
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include $(CONTIKI)/cpu/arm/stm32f1x_cl/Makefile.stm32f1x_cl
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contiki-$(TARGET).a: ${addprefix $(OBJECTDIR)/,symbols.o}
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ifndef BASE_IP
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BASE_IP := 172.16.1.1
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endif
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46
platform/stm32f107_basic/contiki-conf.h
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46
platform/stm32f107_basic/contiki-conf.h
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#ifndef __CONTIKI_CONF_H__CDBB4VIH3I__
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#define __CONTIKI_CONF_H__CDBB4VIH3I__
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#include <stdint.h>
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#define CCIF
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#define CLIF
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#define WITH_UIP 1
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#define WITH_ASCII 1
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#define CLOCK_CONF_SECOND 1000
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/* These names are deprecated, use C99 names. */
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typedef uint8_t u8_t;
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typedef uint16_t u16_t;
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typedef uint32_t u32_t;
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typedef int8_t s8_t;
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typedef int16_t s16_t;
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typedef int32_t s32_t;
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typedef unsigned int clock_time_t;
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typedef unsigned int uip_stats_t;
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#ifndef BV
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#define BV(x) (1<<(x))
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#endif
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/* uIP configuration */
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#define UIP_CONF_LLH_LEN 0
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#define UIP_CONF_BROADCAST 1
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#define UIP_CONF_LOGGING 1
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#define UIP_CONF_BUFFER_SIZE 116
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#define UIP_CONF_TCP_FORWARD 1
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/* Prefix for relocation sections in ELF files */
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#define REL_SECT_PREFIX ".rel"
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#define CC_BYTE_ALIGNED __attribute__ ((packed, aligned(1)))
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#define USB_EP1_SIZE 64
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#define USB_EP2_SIZE 64
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#define RAND_MAX 0x7fff
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#endif /* __CONTIKI_CONF_H__CDBB4VIH3I__ */
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44
platform/stm32f107_basic/contiki-main.c
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44
platform/stm32f107_basic/contiki-main.c
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#include <stdint.h>
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#include <stdio.h>
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#include <debug-uart.h>
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#include <sys/process.h>
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#include <sys/procinit.h>
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#include <etimer.h>
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#include <sys/autostart.h>
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#include <clock.h>
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#include <libopencm3/stm32/f1/rcc.h>
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unsigned int idle_count = 0;
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static void
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configure_mcu_clocks(void)
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{
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rcc_clock_setup_in_hse_25mhz_out_72mhz();
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/* GPIO Clocks */
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rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_IOPAEN);
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rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_AFIOEN);
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/* USART 1 */
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rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_USART1EN);
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}
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int
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main()
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{
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configure_mcu_clocks();
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uart_init(115200);
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printf("Initialising\n");
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clock_init();
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process_init();
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process_start(&etimer_process, NULL);
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autostart_start(autostart_processes);
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printf("Processes running\n");
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while(1) {
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do {
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} while(process_run() > 0);
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idle_count++;
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}
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return 0;
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}
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95
platform/stm32f107_basic/dev/debug-uart.c
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95
platform/stm32f107_basic/dev/debug-uart.c
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#include <libopencm3/stm32/usart.h>
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#include <libopencm3/cm3/nvic.h>
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#include <libopencm3/stm32/f1/gpio.h>
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#include <gqueue.h>
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#include <stdio.h>
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#include <stdbool.h>
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#include <errno.h>
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DECLARE_QUEUE(char, uart_tx_buf, 256);
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DECLARE_QUEUE(char, uart_rx_buf, 256);
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static void uart_init_gpio(void)
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{
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gpio_set_mode(GPIOA,
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GPIO_MODE_OUTPUT_50_MHZ,
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GPIO_CNF_OUTPUT_ALTFN_PUSHPULL,
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GPIO9);
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gpio_set_mode(GPIOA,
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GPIO_MODE_INPUT,
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GPIO_CNF_INPUT_FLOAT,
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GPIO10);
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/* USART lines should idle high */
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gpio_set(GPIOA, GPIO9);
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gpio_set(GPIOA, GPIO10);
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}
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void uart_init(int baud)
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{
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uart_init_gpio();
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nvic_enable_irq(NVIC_USART1_IRQ);
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nvic_set_priority(NVIC_USART1_IRQ, 2);
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usart_set_baudrate(USART1, baud);
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usart_set_databits(USART1, 8);
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usart_set_parity(USART1, USART_PARITY_NONE);
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usart_set_flow_control(USART1, USART_FLOWCONTROL_NONE);
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usart_set_stopbits(USART1, USART_CR2_STOPBITS_1);
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usart_set_mode(USART1, USART_MODE_TX_RX);
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usart_enable_rx_interrupt(USART1);
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usart_enable(USART1);
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/* This ensures stdio doesn't use its own buffers */
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setvbuf(stdin, NULL, _IONBF, 0);
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setvbuf(stdout, NULL, _IONBF, 0);
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}
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int uart_putchar(char c)
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{
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if( c == '\n')
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uart_putchar('\r');
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if(!queue_is_full(&uart_tx_buf)) {
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queue_enqueue(&uart_tx_buf, &c);
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} else {
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return -ENOMEM;
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}
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usart_enable_tx_interrupt(USART1);
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return 0;
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}
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int uart_getchar(char *c)
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{
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if(!queue_is_empty(&uart_rx_buf)) {
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queue_dequeue(&uart_rx_buf, c);
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return 0;
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} else {
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return -ENODATA;
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}
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}
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void usart1_isr(void)
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{
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char c;
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if (usart_get_flag(USART1, USART_SR_TXE)) {
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if (!queue_is_empty(&uart_tx_buf)) {
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queue_dequeue(&uart_tx_buf, &c);
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usart_send(USART1, (uint16_t)c);
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} else {
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usart_disable_tx_interrupt(USART1);
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}
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}
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if (usart_get_flag(USART1, USART_SR_RXNE)) {
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if (!queue_is_full(&uart_rx_buf)) {
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c = usart_recv(USART1);
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queue_enqueue(&uart_rx_buf, &c);
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}
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}
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}
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14
platform/stm32f107_basic/dev/debug-uart.h
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platform/stm32f107_basic/dev/debug-uart.h
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/**
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* USART driver for STM32F1xx w/ libopencm3 peripherl lib
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* (c) 2012 Blessed Contraptions
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* Jeff Ciesielski <jeff.ciesielski@gmail.com>
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*/
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#ifndef _UART_H_
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#define _UART_H_
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int uart_putchar(char c);
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int uart_getchar(char *c);
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void uart_init(int baud);
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#endif
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38
platform/stm32f107_basic/gqueue.c
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platform/stm32f107_basic/gqueue.c
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#include <gqueue.h>
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void
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queue_enqueue(volatile void *q, const void *elt)
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{
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volatile struct generic_queue *gq = q;
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if(gq->len == 0) {
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gq->head = gq->memory;
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gq->tail = gq->memory;
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} else {
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if(gq->tail == gq->memory + (gq->max_capacity - 1) * gq->item_size)
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/* FIXME: Should something be done about
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* queue length? Substact one, maybe?*/
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gq->tail = gq->memory;
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else
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gq->tail = (uint8_t *) gq->tail + gq->item_size;
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}
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memcpy((void *)gq->tail, elt, gq->item_size);
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gq->len++;
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}
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void
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queue_dequeue(volatile void *q, void *elt)
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{
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volatile struct generic_queue *gq = q;
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memcpy(elt, (void *)gq->head, gq->item_size);
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if(gq->head == gq->memory + (gq->max_capacity - 1) * gq->item_size)
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/* FIXME: Should something be done about
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* queue length? Substact one, maybe?*/
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gq->head = gq->memory;
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else if(gq->len > 1)
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gq->head = (uint8_t *) gq->head + gq->item_size;
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gq->len--;
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}
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73
platform/stm32f107_basic/gqueue.h
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73
platform/stm32f107_basic/gqueue.h
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/************************************************************************************/
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/* The MIT License (MIT) */
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/* */
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/* Copyright (c) 2012 Jeff Ciesielski <jeffciesielski@gmail.com> */
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/* Andrey Smirnov <andrew.smirnov@gmail.com> */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining a copy of */
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/* this software and associated documentation files (the "Software"), to deal in */
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/* the Software without restriction, including without limitation the rights to */
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/* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies */
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/* of the Software, and to permit persons to whom the Software is furnished to do */
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/* so, subject to the following conditions: */
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/* */
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/* -The above copyright notice and this permission notice shall be included in all */
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/* copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR */
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/* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS */
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/* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR */
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/* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER */
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/* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN */
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/* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/************************************************************************************/
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#ifndef _QUEUE_H_
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#define _QUEUE_H_
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#include <string.h>
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#include <stdint.h>
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#include <stdbool.h>
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struct generic_queue {
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volatile void *head;
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volatile void *tail;
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size_t item_size;
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size_t len;
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size_t max_capacity;
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volatile uint8_t memory[0];
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};
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#define DECLARE_QUEUE(element_type, name, max_size) \
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struct name { \
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struct generic_queue gq; \
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element_type __elements[max_size]; \
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} name = { \
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.gq={ \
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.len = 0, \
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.item_size = sizeof(element_type), \
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.max_capacity = max_size, \
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}, \
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}
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static inline bool queue_is_empty(volatile void *q)
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{
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volatile struct generic_queue *gq = q;
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return (gq->len == 0);
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}
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static inline int queue_get_len(volatile void *q)
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{
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volatile struct generic_queue *gq = q;
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return gq->len;
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}
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static inline bool queue_is_full(volatile void *q)
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{
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volatile struct generic_queue *gq = q;
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return (gq->len >= gq->max_capacity);
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}
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void queue_enqueue(volatile void *q, const void *elt) __attribute__((nonnull));
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void queue_dequeue(volatile void *q, void *elt) __attribute__((nonnull));
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#endif
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199
platform/stm32f107_basic/newlib.c
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199
platform/stm32f107_basic/newlib.c
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#include <errno.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <sys/times.h>
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#include <sys/unistd.h>
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#include <sys/time.h>
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#include <debug-uart.h>
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#include <stdint.h>
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#include <libopencm3/stm32/f1/rtc.h>
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#include <util.h>
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#define STDOUT_USART USART1
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#define STDERR_USART USART1
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#define STDIN_USART USART1
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#undef errno
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extern int errno;
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char *__env[1] = { 0 };
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char **environ = __env;
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int _write(int file, char *ptr, int len);
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void
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_exit(int status)
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{
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while(1);
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}
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int
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_close(int file)
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{
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return -1;
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}
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int
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_execve(char *name, char **argv, char **env)
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{
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errno = ENOMEM;
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return -1;
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}
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int
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_fork()
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{
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errno = EAGAIN;
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return -1;
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}
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int
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_fstat(int file, struct stat *st)
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{
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st->st_mode = S_IFCHR;
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return 0;
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}
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int
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_getpid()
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{
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return 1;
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}
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int
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_gettimeofday(struct timeval *tv, struct timezone *tz)
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{
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tv->tv_sec = rtc_get_counter_val();
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tv->tv_usec = 0;
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return 0;
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}
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int
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_isatty(int file)
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{
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switch (file) {
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case STDOUT_FILENO:
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case STDERR_FILENO:
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case STDIN_FILENO:
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return 1;
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default:
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//errno = ENOTTY;
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errno = EBADF;
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return 0;
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}
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}
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int
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_kill(int pid, int sig)
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{
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errno = EINVAL;
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return (-1);
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}
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int
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_link(char *old, char *new)
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{
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errno = EMLINK;
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return -1;
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}
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int
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_lseek(int file, int ptr, int dir)
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{
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return 0;
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}
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caddr_t
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_sbrk(int incr)
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{
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extern char _ebss;
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static char *heap_end;
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char *prev_heap_end;
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if(heap_end == 0) {
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heap_end = &_ebss;
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}
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prev_heap_end = heap_end;
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char *stack = (char *)get_msp();
|
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if(heap_end + incr > stack) {
|
||||
_write(STDERR_FILENO, "Heap and stack collision", 25);
|
||||
errno = ENOMEM;
|
||||
return (caddr_t) - 1;
|
||||
//abort ();
|
||||
}
|
||||
|
||||
heap_end += incr;
|
||||
return (caddr_t) prev_heap_end;
|
||||
|
||||
}
|
||||
|
||||
int
|
||||
_read(int file, char *ptr, int len)
|
||||
{
|
||||
char c = 0x00;
|
||||
|
||||
switch (file) {
|
||||
case STDIN_FILENO:
|
||||
uart_getchar(&c);
|
||||
*ptr++ = c;
|
||||
return 1;
|
||||
break;
|
||||
default:
|
||||
errno = EBADF;
|
||||
return -1;
|
||||
}
|
||||
}
|
||||
|
||||
int
|
||||
_stat(const char *filepath, struct stat *st)
|
||||
{
|
||||
st->st_mode = S_IFCHR;
|
||||
return 0;
|
||||
}
|
||||
|
||||
clock_t
|
||||
_times(struct tms * buf)
|
||||
{
|
||||
return -1;
|
||||
}
|
||||
|
||||
int
|
||||
_unlink(char *name)
|
||||
{
|
||||
errno = ENOENT;
|
||||
return -1;
|
||||
}
|
||||
|
||||
int
|
||||
_wait(int *status)
|
||||
{
|
||||
errno = ECHILD;
|
||||
return -1;
|
||||
}
|
||||
|
||||
int
|
||||
_write(int file, char *ptr, int len)
|
||||
{
|
||||
int n;
|
||||
char c;
|
||||
|
||||
switch (file) {
|
||||
case STDOUT_FILENO: /*stdout */
|
||||
for(n = 0; n < len; n++) {
|
||||
c = (uint8_t) * ptr++;
|
||||
uart_putchar(c);
|
||||
}
|
||||
break;
|
||||
case STDERR_FILENO: /* stderr */
|
||||
for(n = 0; n < len; n++) {
|
||||
c = (uint8_t) * ptr++;
|
||||
uart_putchar(c);
|
||||
}
|
||||
break;
|
||||
default:
|
||||
errno = EBADF;
|
||||
return -1;
|
||||
}
|
||||
return len;
|
||||
}
|
2
platform/stm32f107_basic/structgen_opts.gen.h
Normal file
2
platform/stm32f107_basic/structgen_opts.gen.h
Normal file
@ -0,0 +1,2 @@
|
||||
#pragma target_endian little
|
||||
#pragma max_target_int_bytes 8
|
Loading…
Reference in New Issue
Block a user