altos/stm32f4-disco: Hook up serial console. Add scheme
authorKeith Packard <keithp@keithp.com>
Wed, 12 Sep 2018 01:51:59 +0000 (18:51 -0700)
committerKeith Packard <keithp@keithp.com>
Sat, 13 Oct 2018 15:23:25 +0000 (08:23 -0700)
Signed-off-by: Keith Packard <keithp@keithp.com>
src/stm32f4-disco/Makefile
src/stm32f4-disco/ao_disco.c
src/stm32f4-disco/ao_pins.h
src/stm32f4-disco/ao_scheme_os.h [new file with mode: 0644]

index c970b87..c4aa8e0 100644 (file)
@@ -1,14 +1,43 @@
 include ../stm32f4/Makefile-raw.defs
 
+aoschemelib=$(shell pkg-config --variable=aoschemelib ao-scheme)
+
+include $(aoschemelib)/Makefile-scheme
+
+IDVENDOR=0xfffe
+IDPRODUCT=0xfffa
+PRODUCT=stm32f4-disco
+SERIAL=1
+
+INC = \
+       ao.h \
+       ao_arch.h \
+       ao_arch_funcs.h \
+       ao_boot.h \
+       ao_pins.h \
+       ao_task.h \
+       ao_product.h \
+       $(SCHEME_HDRS) \
+       ao_scheme_const.h \
+       stm32f4.h \
+       Makefile
+
 ALTOS_SRC = \
        ao_interrupt.c \
+       ao_romconfig.c \
        ao_panic.c \
        ao_timer.c \
-       ao_led.c \
        ao_task.c \
-       ao_stdio.c
+       ao_stdio.c \
+       ao_product.o \
+       ao_cmd.c \
+       ao_exti_stm32f4.c \
+       ao_usart_stm32f4.c \
+       ao_led.c \
+       ao_impure.c \
+       $(SCHEME_SRCS)
 
-CFLAGS = $(STM32F4_CFLAGS)
+CFLAGS = $(STM32F4_CFLAGS) -I$(aoschemelib)
 
 PROG=stm32f4-disco-$(VERSION)
 ELF=$(PROG).elf
@@ -23,6 +52,23 @@ all: $(ELF) $(IHX)
 $(ELF): Makefile $(OBJ)
        $(call quiet,CC) $(LDFLAGS) $(CFLAGS) -o $@ $(OBJ) -Wl,-M=$(MAP) $(LIBS)
 
+$(OBJ): $(INC)
+
+ao_product.h: ao-make-product.5c ../Version Makefile
+       $(call quiet,NICKLE,$<) $< -m altusmetrum.org -V $(IDVENDOR) -s $(SERIAL) -i $(IDPRODUCT) -p $(PRODUCT) -v $(VERSION) > $@
+
+SCHEME_SCHEME=\
+       ao_scheme_basic_syntax.scheme \
+       ao_scheme_list.scheme \
+       ao_scheme_advanced_syntax.scheme \
+       ao_scheme_vector.scheme \
+       ao_scheme_string.scheme \
+       ao_scheme_char.scheme \
+       ao_scheme_number.scheme
+
+ao_scheme_const.h: ao-scheme-make-const-big $(SCHEME_SCHEME)
+       $^ -o $@ -d POSIX,PORT,SAVE
+
 distclean:     clean
 
 clean:
index c6cdbd2..ede7c05 100644 (file)
  */
 
 #include <ao.h>
+#include <ao_scheme.h>
 
-static struct ao_task red_task;
-static struct ao_task green_task;
-
-static void
-red(void)
-{
-       for (;;) {
-               ao_led_toggle(LED_RED);
-               ao_delay(AO_MS_TO_TICKS(500));
-       }
+static void scheme_cmd() {
+       ao_scheme_read_eval_print(stdin, stdout, false);
 }
 
-static void
-green(void)
+static const struct ao_cmds scheme_cmds[] = {
+       { scheme_cmd,   "l\0Run scheme interpreter" },
+       { 0, 0 }
+};
+
+int
+_ao_scheme_getc(void)
 {
-       for (;;) {
-               ao_led_toggle(LED_GREEN);
-               ao_delay(AO_MS_TO_TICKS(450));
+       static uint8_t  at_eol;
+       int c;
+
+       if (at_eol) {
+               ao_cmd_readline(ao_scheme_read_list ? "- " : "> ");
+               at_eol = 0;
        }
+       c = (unsigned char) ao_cmd_lex();
+       if (c == '\n')
+               at_eol = 1;
+       return c;
 }
 
 void main(void)
@@ -40,9 +45,9 @@ void main(void)
        ao_clock_init();
        ao_timer_init();
        ao_led_init();
+       ao_usart_init();
        ao_task_init();
-
-       ao_add_task(&red_task, red, "red");
-       ao_add_task(&green_task, green, "green");
+       ao_cmd_init();
+       ao_cmd_register(scheme_cmds);
        ao_start_scheduler();
 }
index bbbc306..e6dcea8 100644 (file)
 
 #define LED_0_PORT     (&stm_gpioc)
 #define LED_0_PIN      5
-#define LED_GREEN      (1 << 0)
+#define LED_GREEN      AO_LED_0
 
 #define LED_1_PORT     (&stm_gpioe)
 #define LED_1_PIN      3
-#define LED_RED                (1 << 1)
+#define LED_RED                AO_LED_0
+
+#define AO_LED_PANIC   LED_RED
+
+/* USART */
+
+#define HAS_SERIAL_6           1
+#define SERIAL_6_RX_PORT       (&stm_gpiog)
+#define SERIAL_6_RX_PIN                9
+
+#define SERIAL_6_TX_PORT       (&stm_gpiog)
+#define SERIAL_6_TX_PIN                14
+
+#define USE_SERIAL_6_STDIN     1
+#define DELAY_SERIAL_6_STDIN   0
+#define USE_SERIAL_6_FLOW      0
+#define USE_SERIAL_6_SW_FLOW   0
 
 #endif /* _AO_PINS_H_ */
diff --git a/src/stm32f4-disco/ao_scheme_os.h b/src/stm32f4-disco/ao_scheme_os.h
new file mode 100644 (file)
index 0000000..b1eac30
--- /dev/null
@@ -0,0 +1,70 @@
+/*
+ * Copyright © 2016 Keith Packard <keithp@keithp.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
+
+#ifndef _AO_SCHEME_OS_H_
+#define _AO_SCHEME_OS_H_
+
+#include "ao.h"
+#include "ao_scheme.h"
+
+#define AO_SCHEME_POOL         131072
+#define AO_SCHEME_TOKEN_MAX    64
+
+#define AO_SCHEME_BIG
+
+#ifndef __BYTE_ORDER
+#define        __LITTLE_ENDIAN 1234
+#define        __BIG_ENDIAN    4321
+#define __BYTE_ORDER   __LITTLE_ENDIAN
+#endif
+
+extern int _ao_scheme_getc(void);
+
+#define ao_scheme_getc(f) ({ (void) (f); _ao_scheme_getc(); })
+#undef putc
+#define putc(c, f) ({ (void) (f); ao_putchar(c); })
+#define fputs(s, f) ({ (void) (f); ao_put_string(s); })
+#define fiprintf(f, ...) ({ (void) (f); iprintf(__VA_ARGS__); })
+
+static inline void
+ao_scheme_abort(void)
+{
+       ao_panic(1);
+}
+
+#ifdef LEDS_AVAILABLE
+static inline void
+ao_scheme_os_led(int led)
+{
+       ao_led_set(led);
+}
+#endif
+
+#define AO_SCHEME_JIFFIES_PER_SECOND   AO_HERTZ
+
+static inline void
+ao_scheme_os_delay(int delay)
+{
+       ao_delay(delay);
+}
+
+static inline int
+ao_scheme_os_jiffy(void)
+{
+       return ao_tick_count;
+}
+#endif