Remove debug printfs

firmware/Makefile

@@ -13,9 +13,8 @@ OD=$(PREFIX)-objdump
 OBJCOPYFLAGS = -O binary
 
 BIN=$(CP) -O ihex 
-
 CCBASE = colorchord/embeddedstm32f407
-DEFS =  -DSTM32F40_41xxx  -DHSE_VALUE=8000000
+DEFS =  -DSTM32F40_41xxx  -DHSE_VALUE=8000000 -DREVISION=\"`git rev-parse HEAD`\"
 STARTUP = $(CCBASE)/lib/startup_stm32f40_41xxx.s
 STLIB = $(CCBASE)/STM32F4xx_StdPeriph_Driver
 EMCOM = $(CCBASE)/../embeddedcommon

firmware/adc.c

@@ -14,8 +14,6 @@ void adc_init()
 	ADC_InitTypeDef ADC_InitStructure;
 	GPIO_InitTypeDef GPIO_InitStruct;
 
-	printf("ADC init\r\n");
-
 	// Enable Clocks
 	RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOA, ENABLE);
 	RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1, ENABLE);
@@ -127,12 +125,6 @@ void adc_init()
 	// Turn it all on
 	ADC_Cmd(ADC1, ENABLE);
 	ADC_DMACmd(ADC1, ENABLE);
-	
-	printf("adc init done.\r\n");
-	printf("ADC  CR1: %08x,  CR2: %08x\r\n", ADC1->CR1, ADC1->CR2);
-	printf("ADC SQR1: %08x, SQR3: %08x\r\n", ADC1->SQR1, ADC1->SQR3);
-	printf("DMA2 S0CR: %08x\r\n", ADC_RX_DMA_STREAM->CR);
-	printf("ADC init complete.\r\n");
 }
 
 void DMA2_Stream0_IRQHandler()

firmware/main.c

@@ -123,7 +123,8 @@ int main(void)
 	InitSPI2812();
 	adc_init();
 
-	printf("Operating at %.3fMHz\r\n", fv );
+	printf("\r\nThis is Sabik-CPU, commit %s.\r\n", REVISION);
+	printf("Operating at %.3fMHz.\r\n", fv );
 
 	int this_samp = 0;
 	int wf = 0;

firmware/spi2812.c

@@ -133,8 +133,6 @@ void InitSPI2812()
 	GPIO_InitTypeDef  GPIO_InitStructure;
 	NVIC_InitTypeDef nvic_init_struct;
 
-	printf("Init SPI2812: sizeof(MyBuffer)=%d\r\n", sizeof(MyBuffer));
-
 #ifdef STM32F30X
 
 	//On SPI2, PORT B.15