Support for switching ADS1255 MUX settings.

DSTAT-temp/src/ads1255.c

@@ -107,6 +107,24 @@ void ads1255_setup(uint8_t buff, uint8_t rate, uint8_t pga){
 	return;
 }
 
+void ads1255_mux(uint8_t channel){
+	#if BOARD_VER_MAJOR == 1 && BOARD_VER_MINOR == 2
+		uint8_t command_buffer[6] = {0x51,0x03,channel}; // write reg 1, write 1 register, MUX AIN0
+			
+		usart_spi_select_device(&USARTE1, &spi_device_conf);
+		usart_spi_transmit(&USARTE1, ADS_SDATAC);
+		usart_spi_write_packet(&USARTE1, (uint8_t*)&command_buffer, 3);
+		usart_spi_transmit(&USARTE1, ADS_SYNC);
+		usart_spi_transmit(&USARTE1, ADS_SELFCAL);
+		while (arch_ioport_get_pin_level(IOPORT_CREATE_PIN(PORTD, 5)))
+			;
+		usart_spi_deselect_device(&USARTE1, &spi_device_conf);
+			
+		return;
+	#endif
+	
+}
+
 void ads1255_standby(void){
 	usart_spi_select_device(&USARTE1, &spi_device_conf);
 	usart_spi_transmit(&USARTE1, ADS_STANDBY);

DSTAT-temp/src/ads1255.h

@@ -59,6 +59,9 @@
 #define ADS_BUFF_OFF 0b0000 //0x0
 #define ADS_BUFF_ON 0b0010 //0x2
 
+#define ADS_MUX_VOLT 0x08
+#define ADS_MUX_POT 0x18
+
 void ads1255_sync(void);
 void ads1255_init_pins(void);
 void ads1255_init_module(void);
@@ -68,6 +71,7 @@ int32_t ads1255_read_fast24(void);
 void ads1255_reg_read(uint8_t address);
 void ads1255_reset(void);
 void ads1255_setup(uint8_t buff, uint8_t rate, uint8_t pga);
+void ads1255_mux(uint8_t channel);
 void ads1255_standby(void);
 void ads1255_wakeup(void);
 void ads1255_rdatac(void);