initial commit

project/realtek_amebaz_va0_example/example_sources/adc_vbat/Makefile

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+
+
+.PHONY: all copy clean
+
+#*****************************************************************************#
+#                               Source FILE LIST                              #
+#*****************************************************************************#
+CSRC        = src inc
+		
+
+
+#*****************************************************************************#
+#                        RULES TO GENERATE TARGETS                            #
+#*****************************************************************************#
+
+# Define the Rules to build the core targets
+all: copy
+copy:
+		for cpf in $(CSRC); do \
+			cp -rf $$cpf ../..; \
+		done	 
+	
+
+

project/realtek_amebaz_va0_example/example_sources/adc_vbat/readme.txt

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+Example Description
+
+This example describes how to use adc vabt channel to measure 5V vlotage.
+
+Requirement Components:
+    none
+
+ 

project/realtek_amebaz_va0_example/example_sources/adc_vbat/src/Makefile

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+
+include $(MAKE_INCLUDE_GEN)
+#include ./Makefile.inc
+
+.PHONY: all clean
+
+CHIP = rtl8195a
+HALINCDIR = realtek/v3_0/include
+
+MODULE_IFLAGS += -I$(shell pwd -L)/../inc
+MODULE_IFLAGS += -I$(SWLIBDIR)/api
+MODULE_IFLAGS += -I$(SWLIBDIR)/api/mbed/hal/
+MODULE_IFLAGS += -I$(SWLIBDIR)/api/mbed/api/
+MODULE_IFLAGS += -I$(SWLIBDIR)/drivers/targets/cmsis/rtl8195a/
+MODULE_IFLAGS += -I$(SWLIBDIR)/drivers/targets/hal/rtl8195a/
+
+GLOBAL_CFLAGS += -DCONFIG_PLATFORM_8195A
+#*****************************************************************************#
+#                               Source FILE LIST                              #
+#*****************************************************************************#
+CSRC       += main.c 
+		
+		
+#*****************************************************************************#
+#                               Object FILE LIST                              #
+#*****************************************************************************#
+OBJS        = $(CSRC:.c=.o)
+
+
+#*****************************************************************************#
+#                               Object FILE LIST                              #
+#*****************************************************************************#
+#OBJS = monitor.o rtl_consol.o
+
+#*****************************************************************************#
+#                        RULES TO GENERATE TARGETS                            #
+#*****************************************************************************#
+
+# Define the Rules to build the core targets
+all: CORE_TARGETS COPY_RAM_OBJS
+	
+#*****************************************************************************#
+#              GENERATE OBJECT FILE 
+#*****************************************************************************#
+CORE_TARGETS:	$(OBJS)
+
+
+#*****************************************************************************#
+#              GENERATE OBJECT FILE 
+#*****************************************************************************#
+clean:
+	rm -f $(CSRC:.c=.o) $(CSRC:.c=.d) $(CSRC:.c=.i) $(CSRC:.c=.s)

project/realtek_amebaz_va0_example/example_sources/adc_vbat/src/main.c

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+/*
+ *  Routines to access hardware
+ *
+ *  Copyright (c) 2013 Realtek Semiconductor Corp.
+ *
+ *  This module is a confidential and proprietary property of RealTek and
+ *  possession or use of this module requires written permission of RealTek.
+ */
+
+#include "device.h"
+#include "analogin_api.h"
+#include <sys_api.h>
+
+/*
+ * OFFSET:   value of measuring at 0.000v, value(0.000v)
+ * GAIN_DIV: value(1.000v)-value(0.000v) or value(2.000v)-value(1.000v) or value(3.000v)-value(2.000v)
+ *
+ * MSB 12bit of value is valid, need to truncate LSB 4bit (0xABCD -> 0xABC). OFFSET and GAIN_DIV are truncated values.
+ */
+
+/* Vbat channel */
+#define OFFSET		0x496							
+#define GAIN_DIV		0xBA
+#define AD2MV(ad,offset,gain) (((ad >> 4) -offset) * 1000 / gain)	
+
+void adc_delay(void)
+{
+    	int i;
+	for(i=0;i<1600000;i++)
+		asm(" nop");
+}
+
+void adc_vbat_en(void)
+{
+	uint16_t adc_read = 0;
+	int32_t voltage;
+	analogin_t   adc_vbat;
+
+	analogin_init(&adc_vbat, AD_2);
+
+	DBG_8195A("ADC:offset = 0x%x, gain = 0x%x\n", OFFSET, GAIN_DIV);
+
+	for (;;){
+		adc_read = analogin_read_u16(&adc_vbat);
+
+		voltage = AD2MV(adc_read, OFFSET, GAIN_DIV);
+
+		DBG_8195A("ADC_Vbat: 0x%x = %d mv\n", adc_read, voltage); 
+		adc_delay();
+	}
+	analogin_deinit(&adc_vbat);
+
+	vTaskDelete(NULL);
+}
+
+VOID main (VOID)
+{
+	if(xTaskCreate( (TaskFunction_t)adc_vbat_en, "ADC VBAT DEMO", (2048/4), NULL, (tskIDLE_PRIORITY + 1), NULL)!= pdPASS) {
+			DBG_8195A("Cannot create ADC Vbat demo task\n\r");
+	}
+
+	vTaskStartScheduler();
+
+	while(1);
+}
+
+