From: asterix <asterix@38d2e660-2303-0410-9eaa-f027e97ec537>
Date: Tue, 22 Mar 2011 13:10:18 +0000 (+0000)
Subject: Add adc to example.
X-Git-Tag: 2.7.0~175
X-Git-Url: https://codewiz.org/gitweb?a=commitdiff_plain;h=7271b9e475278ed3e73c34dd0b74d888ee4bee33;p=bertos.git

Add adc to example.


git-svn-id: https://src.develer.com/svnoss/bertos/trunk@4791 38d2e660-2303-0410-9eaa-f027e97ec537
---

diff --git a/boards/sam3x-ek/examples/display/display.mk b/boards/sam3x-ek/examples/display/display.mk
index 4cb1a03e..d1145926 100644
--- a/boards/sam3x-ek/examples/display/display.mk
+++ b/boards/sam3x-ek/examples/display/display.mk
@@ -26,6 +26,8 @@ display_WIZARD_CSRC = \
 	bertos/gfx/text.c \
 	bertos/cpu/cortex-m3/drv/timer_cm3.c \
 	bertos/drv/timer.c \
+	bertos/drv/adc.c \
+	bertos/cpu/cortex-m3/drv/adc_sam3.c \
 	bertos/mware/formatwr.c \
 	bertos/mware/sprintf.c \
 	bertos/gfx/line.c \
@@ -84,10 +86,10 @@ display_ASRC = $(display_CPU_ASRC) $(display_WIZARD_ASRC) $(display_USER_ASRC)
 
 # CPU specific flags and options, defined in the CPU definition files.
 # Automatically generated by the wizard. PLEASE DO NOT EDIT!
-display_CPU_CPPASRC = bertos/cpu/cortex-m3/hw/crt_cm3.S bertos/cpu/cortex-m3/hw/vectors_cm3.S 
+display_CPU_CPPASRC = bertos/cpu/cortex-m3/hw/crt_cm3.S bertos/cpu/cortex-m3/hw/vectors_cm3.S
 display_CPU_CPPAFLAGS = -g -gdwarf-2 -mthumb -mno-thumb-interwork
 display_CPU_CPPFLAGS = -O0 -g3 -gdwarf-2 -mthumb -mno-thumb-interwork -fno-strict-aliasing -fwrapv -fverbose-asm -Ibertos/cpu/cortex-m3/ -D__ARM_SAM3X8__
-display_CPU_CSRC = bertos/cpu/cortex-m3/hw/init_cm3.c bertos/cpu/cortex-m3/drv/irq_cm3.c bertos/cpu/cortex-m3/drv/clock_sam3.c 
+display_CPU_CSRC = bertos/cpu/cortex-m3/hw/init_cm3.c bertos/cpu/cortex-m3/drv/irq_cm3.c bertos/cpu/cortex-m3/drv/clock_sam3.c
 display_PROGRAMMER_CPU = sam3
 display_CPU_LDFLAGS = -mthumb -mno-thumb-interwork -nostartfiles -Wl,--no-warn-mismatch -Wl,-dT bertos/cpu/cortex-m3/scripts/sam3x8_rom.ld
 display_STOPFLASH_SCRIPT = bertos/prg_scripts/arm/stopopenocd.sh
diff --git a/boards/sam3x-ek/examples/display/main.c b/boards/sam3x-ek/examples/display/main.c
index ac7ad2f7..c7122893 100644
--- a/boards/sam3x-ek/examples/display/main.c
+++ b/boards/sam3x-ek/examples/display/main.c
@@ -39,20 +39,28 @@
 
 #include "hw/hw_led.h"
 #include "hw/hw_lcd.h"
+#include "hw/hw_adc.h"
 #include "hw/hw_sdram.h"
 
 #include <cfg/debug.h>
+
 #include <cpu/irq.h>
+
 #include <struct/heap.h>
+
 #include <drv/timer.h>
 #include <drv/kbd.h>
 #include <drv/lcd_hx8347.h>
+#include <drv/adc.h>
+
 #include <gfx/gfx.h>
 #include <gfx/font.h>
 #include <gfx/text.h>
 #include <gui/menu.h>
 #include <icons/logo.h>
+
 #include <io/kfile.h>
+
 #include <kern/signal.h>
 #include <kern/proc.h>
 
@@ -307,6 +315,26 @@ static void NORETURN soft_reset(Bitmap * bm)
 	UNREACHABLE();
 }
 
+static void read_adc(Bitmap *bm)
+{
+	gfx_bitmapClear(bm);
+	text_xprintf(bm, 0, 0, TEXT_FILL | TEXT_CENTER, "ADC Value");
+	while (1)
+	{
+		uint16_t value = ADC_RANGECONV(adc_read(1), 0, 3300);
+		uint16_t temp = hw_convertToDegree (adc_read(ADC_TEMPERATURE_CH));
+
+		text_xprintf(lcd_bitmap, 2, 0, TEXT_FILL | TEXT_CENTER,
+									"Volage on VR1: %d.%dV", value / 1000, value % 1000);
+		text_xprintf(lcd_bitmap, 3, 0, TEXT_FILL | TEXT_CENTER,
+									"CPU temperature: %d.%dC", temp / 10, temp % 10);
+		lcd_hx8347_blitBitmap(bm);
+		timer_delay(400);
+		if (kbd_peek() & KEY_MASK)
+			break;
+	}
+}
+
 
 static struct MenuItem main_items[] =
 {
@@ -318,6 +346,7 @@ static struct MenuItem main_items[] =
 	{ (const_iptr_t)"Show uptime", 0, (MenuHook)uptime, NULL },
 	{ (const_iptr_t)"Display brightness", 0, (MenuHook)setBrightness, NULL },
 	{ (const_iptr_t)"Reboot", 0, (MenuHook)soft_reset, NULL },
+	{ (const_iptr_t)"Read ADC value", 0, (MenuHook)read_adc, NULL },
 	{ (const_iptr_t)0, 0, NULL, (iptr_t)0 }
 };
 static struct Menu main_menu = { main_items, "BeRTOS", MF_STICKY | MF_SAVESEL, NULL, 0, lcd_hx8347_blitBitmap };
@@ -328,12 +357,15 @@ int main(void)
 	unsigned i;
 
 	IRQ_ENABLE;
-
 	kdbg_init();
 	LED_INIT();
 	timer_init();
 	proc_init();
 	sdram_init();
+	adc_init();
+
+	/* Enable the adc to read internal temperature sensor */
+	hw_enableTempRead();
 
 	heap_init(&heap, (void *)SDRAM_BASE, SDRAM_SIZE);
 	lcd_bitmap = heap_allocmem(&heap, RAST_SIZE(LCD_WIDTH, LCD_HEIGHT));
@@ -372,4 +404,5 @@ int main(void)
 		menu_handle(&main_menu);
 		cpu_relax();
 	}
+
 }