altos/stmf0: Add adc and beep support for TeleMini v3.0

Note that the ADC code is running very slowly as required by the high
impedance dividers on the TeleMini v3.0 pyro circuits.

Signed-off-by: Keith Packard <keithp@keithp.com>

1 files changed, 85 insertions, 0 deletions

diff --git a/src/stmf0/altos-raw.ld b/src/stmf0/altos-raw.ld
new file mode 100644
index 00000000..eb285e07
--- /dev/null
+++ b/src/stmf0/altos-raw.ld
@@ -0,0 +1,85 @@
+/*
+ * Copyright © 2012 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; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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.
+ */
+
+MEMORY {
+	rom (rx) :   ORIGIN = 0x08000000, LENGTH = 32K
+	ram (!w) :   ORIGIN = 0x20000000, LENGTH = 6k - 128
+	stack (!w) : ORIGIN = 0x20000000 + 6k - 128, LENGTH = 128
+}
+
+INCLUDE registers.ld
+
+EXTERN (stm_interrupt_vector)
+
+SECTIONS {
+	/*
+	 * Rom contents
+	 */
+
+	.interrupt : {
+		__text_start__ = .;
+		*(.interrupt)	/* Interrupt vectors */
+	} > rom
+
+	.text ORIGIN(rom) + 0x100 : {
+
+		/* Ick. What I want is to specify the
+		 * addresses of some global constants so
+		 * that I can find them across versions
+		 * of the application. I can't figure out
+		 * how to make gnu ld do that, so instead
+		 * we just load the two files that include
+		 * these defines in the right order here and
+		 * expect things to 'just work'. Don't change
+		 * the contents of those files, ok?
+		 */
+		ao_romconfig.o(.romconfig*)
+		ao_product.o(.romconfig*)
+
+		*(.text*)	/* Executable code */
+		*(.ARM.exidx* .gnu.linkonce.armexidx.*)
+		*(.rodata*)	/* Constants */
+
+	} > rom
+	__text_end__ = .;
+
+	/* Data -- relocated to RAM, but written to ROM
+	 */
+	.data : {
+		__data_start__ = .;
+		*(.data)	/* initialized data */
+		. = ALIGN(4);
+		__data_end__ = .;
+	} >ram AT>rom
+
+	.bss : {
+		__bss_start__ = .;
+		*(.bss)
+		*(COMMON)
+		. = ALIGN(4);
+		__bss_end__ = .;
+	} >ram
+
+	PROVIDE(end = .);
+
+	PROVIDE(__stack__ = ORIGIN(stack) + LENGTH(stack));
+}
+
+ENTRY(start);
+
+