diff options
Diffstat (limited to 'src/stm-flash')
| -rw-r--r-- | src/stm-flash/Makefile | 63 | ||||
| -rw-r--r-- | src/stm-flash/ao_pins.h | 77 | ||||
| -rw-r--r-- | src/stm-flash/ao_stm_flash.c | 162 |
3 files changed, 302 insertions, 0 deletions
diff --git a/src/stm-flash/Makefile b/src/stm-flash/Makefile new file mode 100644 index 00000000..46bc61af --- /dev/null +++ b/src/stm-flash/Makefile @@ -0,0 +1,63 @@ +# +# AltOS build +# +# + +include ../stm/Makefile.defs + +INC = \ + ao.h \ + ao_arch.h \ + ao_arch_funcs.h \ + ao_pins.h \ + ao_product.h + +# +# Common AltOS sources +# +ALTOS_SRC = \ + ao_interrupt.c \ + ao_boot_chain.c \ + ao_boot_pin.c \ + ao_product.c \ + ao_romconfig.c \ + ao_task.c \ + ao_timer.c \ + ao_mutex.c \ + ao_usb_stm.c \ + ao_stdio.c \ + ao_flash_stm.c \ + ao_cmd.c + +PRODUCT=StmFlash-v0.0 +PRODUCT_DEF=-DSTM_FLASH +IDPRODUCT=0x000a + +CFLAGS = $(PRODUCT_DEF) $(STM_CFLAGS) -g -Os + +PROG=stm-flash-$(VERSION).elf + +SRC=$(ALTOS_SRC) ao_stm_flash.c +OBJ=$(SRC:.c=.o) + +all: $(PROG) + +LDFLAGS=-L../stm -Wl,-Taltos-loader.ld + +$(PROG): Makefile $(OBJ) + $(call quiet,CC) $(LDFLAGS) $(CFLAGS) -o $(PROG) $(OBJ) $(SAT_CLIB) -lgcc + +ao_product.h: ao-make-product.5c ../Version + $(call quiet,NICKLE,$<) $< -m altusmetrum.org -i $(IDPRODUCT) -p $(PRODUCT) -v $(VERSION) > $@ + +$(OBJ): $(INC) + +distclean: clean + +clean: + rm -f *.o $(PROG) + rm -f ao_product.h + +install: + +uninstall: diff --git a/src/stm-flash/ao_pins.h b/src/stm-flash/ao_pins.h new file mode 100644 index 00000000..048fc828 --- /dev/null +++ b/src/stm-flash/ao_pins.h @@ -0,0 +1,77 @@ +/* + * Copyright © 2013 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_PINS_H_ +#define _AO_PINS_H_ + +#define HAS_TASK_QUEUE 0 + +/* Bridge SB17 on the board and use the MCO from the other chip */ +#define AO_HSE 8000000 +#define AO_HSE_BYPASS 1 + +/* PLLVCO = 96MHz (so that USB will work) */ +#define AO_PLLMUL 12 +#define AO_RCC_CFGR_PLLMUL (STM_RCC_CFGR_PLLMUL_12) + +/* SYSCLK = 32MHz */ +#define AO_PLLDIV 3 +#define AO_RCC_CFGR_PLLDIV (STM_RCC_CFGR_PLLDIV_3) + +/* HCLK = 32MHZ (CPU clock) */ +#define AO_AHB_PRESCALER 1 +#define AO_RCC_CFGR_HPRE_DIV STM_RCC_CFGR_HPRE_DIV_1 + +/* Run APB1 at HCLK/1 */ +#define AO_APB1_PRESCALER 1 +#define AO_RCC_CFGR_PPRE1_DIV STM_RCC_CFGR_PPRE2_DIV_1 + +/* Run APB2 at HCLK/1 */ +#define AO_APB2_PRESCALER 1 +#define AO_RCC_CFGR_PPRE2_DIV STM_RCC_CFGR_PPRE2_DIV_1 + +#define HAS_USB 1 +#define USE_USB_STDIN 1 +#define HAS_BEEP 0 + +#define PACKET_HAS_SLAVE 0 + +#define LED_PORT_ENABLE STM_RCC_AHBENR_GPIOCEN +#define LED_PORT (&stm_gpiob) +#define LED_PIN_RED 6 +#define LED_PIN_GREEN 7 +#define AO_LED_RED (1 << LED_PIN_RED) +#define AO_LED_GREEN (1 << LED_PIN_GREEN) + +#define LEDS_AVAILABLE (AO_LED_RED | AO_LED_GREEN) + +#define AO_TICK_TYPE uint32_t +#define AO_TICK_SIGNED int32_t + +#define HAS_TASK_INFO 0 +#define HAS_VERSION 0 + +#define AO_BOOT_CHAIN 1 +#define AO_BOOT_PIN 1 + +#define AO_BOOT_APPLICATION_GPIO stm_gpioa +#define AO_BOOT_APPLICATION_PIN 0 +#define AO_BOOT_APPLICATION_VALUE 1 +#define AO_BOOT_APPLICATION_MODE 0 +#define AO_BOOT_APPLICATION_BASE ((uint32_t *) 0x2000) + +#endif /* _AO_PINS_H_ */ diff --git a/src/stm-flash/ao_stm_flash.c b/src/stm-flash/ao_stm_flash.c new file mode 100644 index 00000000..a70db48a --- /dev/null +++ b/src/stm-flash/ao_stm_flash.c @@ -0,0 +1,162 @@ +/* + * Copyright © 2011 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. + */ + +#include "ao.h" +#include <ao_exti.h> +#include <ao_boot.h> +#include <ao_flash_stm.h> + +void +ao_panic(uint8_t reason) +{ + for (;;); +} + +void +ao_application(void) +{ + ao_boot_reboot(AO_BOOT_APPLICATION_BASE); +} + +static uint32_t +ao_cmd_hex32(void) +{ + __pdata uint8_t r = ao_cmd_lex_error; + int8_t n; + uint32_t v = 0; + + ao_cmd_white(); + for(;;) { + n = ao_cmd_hexchar(ao_cmd_lex_c); + if (n < 0) + break; + v = (v << 4) | n; + r = ao_cmd_success; + ao_cmd_lex(); + } + if (r != ao_cmd_success) + ao_cmd_status = r; + return v; +} + +void +ao_block_erase(void) +{ + uint32_t addr = ao_cmd_hex32(); + uint32_t *p = (uint32_t *) addr; + + ao_flash_erase_page(p); +} + +void +ao_block_write(void) +{ + uint32_t addr = ao_cmd_hex32(); + uint32_t *p = (uint32_t *) addr; + union { + uint8_t data8[256]; + uint32_t data32[64]; + } u; + uint16_t i; + + if (addr < 0x08002000 || 0x08200000 <= addr) { + ao_put_string("Invalid address\n"); + return; + } + for (i = 0; i < 256; i++) + u.data8[i] = getchar(); + ao_flash_page(p, u.data32); +} + +static void +puthex(uint8_t c) +{ + c &= 0xf; + if (c < 10) + c += '0'; + else + c += 'a' - 10; + putchar (c); +} + +void +ao_block_read(void) +{ + uint32_t addr = ao_cmd_hex32(); + uint8_t *p = (uint8_t *) addr; + uint16_t i; + uint8_t c; + + for (i = 0; i < 256; i++) { + c = *p++; + (*ao_stdios[ao_cur_stdio].putchar)(c); + } +} + +void +ao_block_read_hex(void) +{ + uint32_t addr = ao_cmd_hex32(); + uint8_t *p = (uint8_t *) addr; + uint16_t i; + uint8_t c; + + for (i = 0; i < 256; i++) { + c = *p++; + puthex(c>>4); + puthex(c); + if ((i & 0xf) == 0xf) + putchar('\n'); + } +} + +static void +ao_show_version(void) +{ + puts("altos-loader"); + ao_put_string("manufacturer "); puts(ao_manufacturer); + ao_put_string("product "); puts(ao_product); + ao_put_string("software-version "); puts(ao_version); +} + +__code struct ao_cmds ao_flash_cmds[] = { + { ao_show_version, "v\0Version" }, + { ao_application, "a\0Switch to application" }, + { ao_block_erase, "X <addr>\0Erase block." }, + { ao_block_write, "W <addr>\0Write block. 256 binary bytes follow newline" }, + { ao_block_read, "R <addr>\0Read block. Returns 256 binary bytes" }, + { ao_block_read_hex, "H <addr>\0Hex read block. Returns 256 bytes in hex" }, + { 0, NULL }, +}; + +int +main(void) +{ + ao_clock_init(); + + ao_task_init(); + + ao_timer_init(); +// ao_dma_init(); + ao_cmd_init(); +// ao_exti_init(); + ao_usb_init(); + + ao_cmd_register(&ao_flash_cmds[0]); + ao_start_scheduler(); + return 0; +} |