3 files changed, 23 insertions, 1 deletions
diff --git a/src/common/includes/GPIO/usart.h b/src/common/includes/GPIO/usart.h
index ed7d441..681d86f 100644
--- a/src/common/includes/GPIO/usart.h
+++ b/src/common/includes/GPIO/usart.h
@@ -48,6 +48,9 @@ void usart_init(void);
 // Needs running scheduler
 void usart_gps_init(void);
 
+// Take GPS out of RESET
+void usart_gps_remove_reset(void);
+
 // Send the str to the GPS receiver
 void usart_gps_puts(const char* str);
 
diff --git a/src/common/src/GPS/gps.c b/src/common/src/GPS/gps.c
index 3ac2c52..cfc9782 100644
--- a/src/common/src/GPS/gps.c
+++ b/src/common/src/GPS/gps.c
@@ -66,7 +66,10 @@ int gps_utctime(struct tm *timeutc) {
 static char rxbuf[RXBUF_LEN];
 
 static void gps_task(void __attribute__ ((unused))*pvParameters) {
-    // Periodically reinit the GPS
+
+    // The initialisation placed the GPS into reset
+    usart_gps_remove_reset();
+
     while (1) {
         taskYIELD();
 
diff --git a/src/glutt-o-logique/usart.c b/src/glutt-o-logique/usart.c
index 29943e9..806505b 100644
--- a/src/glutt-o-logique/usart.c
+++ b/src/glutt-o-logique/usart.c
@@ -31,6 +31,7 @@
  * See pio.txt for PIO allocation details */
 const uint16_t GPIOD_PIN_USART3_TX = GPIO_Pin_8;
 const uint16_t GPIOD_PIN_USART3_RX = GPIO_Pin_9;
+const uint16_t GPIOD_PIN_GPS_RESET_N = GPIO_Pin_10;
 
 /* USART 2 on PA2 and PA3 */
 const uint16_t GPIOA_PIN_USART2_RX = GPIO_Pin_3;
@@ -103,6 +104,16 @@ void usart_gps_specific_init() {
     GPIO_InitStruct.GPIO_PuPd = GPIO_PuPd_UP;
     GPIO_Init(GPIOD, &GPIO_InitStruct);
 
+    GPIO_InitStruct.GPIO_Pin = GPIOD_PIN_GPS_RESET_N;
+    GPIO_InitStruct.GPIO_Mode = GPIO_Mode_OUT;
+    GPIO_InitStruct.GPIO_Speed = GPIO_Speed_50MHz;
+    GPIO_InitStruct.GPIO_OType = GPIO_OType_PP;
+    GPIO_InitStruct.GPIO_PuPd = GPIO_PuPd_NOPULL;
+    GPIO_Init(GPIOD, &GPIO_InitStruct);
+
+    // The GPS is put in RESET here, the GPS task will enable it
+    GPIO_ResetBits(GPIOD, GPIOD_PIN_GPS_RESET_N);
+
     GPIO_PinAFConfig(GPIOD, GPIO_PinSource8, GPIO_AF_USART3);
     GPIO_PinAFConfig(GPIOD, GPIO_PinSource9, GPIO_AF_USART3);
 
@@ -133,6 +144,11 @@ void usart_gps_specific_init() {
     USART_Cmd(USART3, ENABLE);
 }
 
+void usart_gps_remove_reset(void)
+{
+    GPIO_SetBits(GPIOD, GPIOD_PIN_GPS_RESET_N);
+}
+
 // Make sure Tasks are suspended when this is called!
 void usart_puts(USART_TypeDef* USART, const char* str) {
     while(*str) {