CS7000 Plus: enabled GPS

meson.build

@@ -285,6 +285,8 @@ stm32h743_src = ['platform/mcu/STM32H7xx/boot/startup.cpp',
                  'platform/drivers/GPIO/gpio_stm32.c',
                  'platform/drivers/ADC/adc_stm32h7.c',
                  'platform/drivers/SPI/spi_stm32h7.c',
+                 'platform/drivers/GPS/gps_stm32.cpp',
+                 'platform/drivers/GPS/nmea_rbuf.c',
                  'platform/drivers/audio/stm32_dac.cpp',
                  'platform/drivers/audio/stm32_adc.cpp',
                  'platform/mcu/CMSIS/Device/ST/STM32H7xx/Source/system_stm32h7xx.c']

platform/targets/CS7000-PLUS/hwconfig.c

@@ -20,10 +20,12 @@
 #include <spi_custom.h>
 #include <spi_stm32.h>
 #include <adc_stm32.h>
+#include <gps_stm32.h>
 #include <hwconfig.h>
 #include <pthread.h>
 #include <SKY72310.h>
 #include <AK2365A.h>
+#include <gps.h>
 
 /**
  * SPI bitbang function for SN74HC595 gpio extender.
@@ -111,3 +113,10 @@ const struct sky73210 pll =
     .cs     = { PLL_CS },
     .refClk = 16800000
 };
+
+const struct gpsDevice gps =
+{
+    .enable = gpsStm32_enable,
+    .disable = gpsStm32_disable,
+    .getSentence = gpsStm32_getNmeaSentence
+};

platform/targets/CS7000-PLUS/hwconfig.h

@@ -50,6 +50,7 @@ extern const struct spiDevice c6000_spi;
 extern const struct gpioDev extGpio;
 extern const struct ak2365a detector;
 extern const struct sky73210 pll;
+extern const struct gpsDevice gps;
 
 /* Screen dimensions */
 #define CONFIG_SCREEN_WIDTH 160
@@ -69,7 +70,9 @@ extern const struct sky73210 pll;
 #define CONFIG_M17
 
 /* Device has a GPS chip */
-// #define CONFIG_GPS
+#define CONFIG_GPS
+#define CONFIG_GPS_STM32_USART6
+#define CONFIG_NMEA_RBUF_SIZE 128
 
 /* Use extended addressing for external flash memory */
 #define CONFIG_W25Qx_EXT_ADDR

platform/targets/CS7000-PLUS/platform.c

@@ -22,9 +22,11 @@
 #include <gpio_shiftReg.h>
 #include <spi_bitbang.h>
 #include <adc_stm32.h>
+#include <gps_stm32.h>
 #include <Cx000_dac.h>
 #include <hwconfig.h>
 #include <string.h>
+#include <gps.h>
 
 static const hwInfo_t hwInfo =
 {
@@ -65,6 +67,7 @@ void platform_init()
 void platform_terminate()
 {
     adcStm32_terminate(&adc1);
+    gpsStm32_terminate();
 
     #ifndef RUNNING_TESTSUITE
     gpioDev_clear(MAIN_PWR_SW);
@@ -206,3 +209,11 @@ const hwInfo_t *platform_getHwInfo()
 {
     return &hwInfo;
 }
+
+const struct gpsDevice *platform_initGps()
+{
+    gpio_setMode(GPS_RXD, ALTERNATE | ALTERNATE_FUNC(7));
+    gpsStm32_init(9600);
+
+    return &gps;
+}