# HG changeset patch
# User matthewreed
# Date 2018-08-25 12:38:32
# Node ID df3cd2f9bf90febca2966eee4d7d7fb09c176ae5
# Parent  3ffc65a90345ea7d0a180664e6f7335ce31923c5

Started to add support for sgp30

diff --git a/Makefile b/Makefile
--- a/Makefile
+++ b/Makefile
@@ -69,6 +69,8 @@ Src/stm32f0xx_hal_msp.c \
 Src/stm32f0xx_it.c \
 Src/system_stm32f0xx.c \
 Src/system.c \
+Src/i2c.c \
+Src/sgp30.c \
 hydrobot-sharedlibs/src/can_buffer.c \
 hydrobot-sharedlibs/src/can.c \
 hydrobot-sharedlibs/src/flash.c \
@@ -164,6 +166,9 @@ LDFLAGS = $(MCU) -specs=nano.specs -T$(L
 # default action: build all
 all: $(BUILD_DIR)/$(TARGET).elf $(BUILD_DIR)/$(TARGET).hex $(BUILD_DIR)/$(TARGET).bin
 
+# flash via serial wire debug 
+flash: all
+	st-flash --reset write $(BUILD_DIR)/$(TARGET).bin 0x8000000
 
 #######################################
 # build the application
diff --git a/Src/main.c b/Src/main.c
--- a/Src/main.c
+++ b/Src/main.c
@@ -4,7 +4,8 @@
 #include "system.h"
 #include "led.h"
 #include "protocol.h"
-
+#include "i2c.h"
+#include "sgp30.h"
 
 int main(void)
 {
@@ -12,6 +13,8 @@ int main(void)
     HAL_Init();
     system_init();
     gpio_init();
+    //sgp30_init();
+    //sgp30_IAQinit();
 
     protocol_init(PROTOMODULE);
 
@@ -47,13 +50,13 @@ int main(void)
 
         if (HAL_GetTick() - loop_timer_200ms >= 200)
         {
-
             loop_timer_200ms = HAL_GetTick();
         }
 
         if (HAL_GetTick() - loop_timer_1s >= 1000)
         {
-
+            //sgp30_IAQmeasure();
+            //protocol_send_data(NONE, 0, sgp30_get_tvoc());
             loop_timer_1s = HAL_GetTick();
         }
         if (HAL_GetTick() - loop_timer_2s >= 2000)
diff --git a/Src/stm32f0xx_hal_msp.c b/Src/stm32f0xx_hal_msp.c
--- a/Src/stm32f0xx_hal_msp.c
+++ b/Src/stm32f0xx_hal_msp.c
@@ -121,6 +121,44 @@ void HAL_CAN_MspDeInit(CAN_HandleTypeDef
 
 }
 
+void HAL_I2C_MspInit(I2C_HandleTypeDef* hi2c)
+{
+
+    GPIO_InitTypeDef GPIO_InitStruct;
+    if(hi2c->Instance==I2C1)
+    {
+        /* USER CODE BEGIN I2C1_MspInit 0 */
+
+          RCC_PeriphCLKInitTypeDef  RCC_PeriphCLKInitStruct;
+
+          /*##-1- Configure the I2C clock source. The clock is derived from the SYSCLK #*/
+          RCC_PeriphCLKInitStruct.PeriphClockSelection = RCC_PERIPHCLK_I2C1;
+          RCC_PeriphCLKInitStruct.I2c1ClockSelection = RCC_I2C1CLKSOURCE_SYSCLK;
+          HAL_RCCEx_PeriphCLKConfig(&RCC_PeriphCLKInitStruct);
+
+        /* USER CODE END I2C1_MspInit 0 */
+
+        /**I2C1 GPIO Configuration
+        PB6     ------> I2C1_SCL
+        PB7     ------> I2C1_SDA
+        */
+
+        GPIO_InitStruct.Pin = GPIO_PIN_6 | GPIO_PIN_7;
+        GPIO_InitStruct.Mode = GPIO_MODE_AF_OD;
+        GPIO_InitStruct.Pull = GPIO_PULLUP;
+        GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
+        GPIO_InitStruct.Alternate = GPIO_AF4_I2C1;
+        HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
+
+        /* Peripheral clock enable */
+        __HAL_RCC_I2C1_CLK_ENABLE();
+        /* USER CODE BEGIN I2C1_MspInit 1 */
+
+      /* USER CODE END I2C1_MspInit 1 */
+    }
+
+}
+
 void HAL_TIM_PWM_MspInit(TIM_HandleTypeDef* htim_pwm)
 {