GPS reference test works.

CMakeLists.txt

@@ -39,7 +39,7 @@ target_sources(pico-hf-oscillator-test PUBLIC
 pico_set_program_name(pico-hf-oscillator-test "pico-hf-oscillator-test")
 pico_set_program_version(pico-hf-oscillator-test "0.9")
 
-pico_enable_stdio_uart(pico-hf-oscillator-test 0)
+pico_enable_stdio_uart(pico-hf-oscillator-test 1)
 pico_enable_stdio_usb(pico-hf-oscillator-test 1)
 
 # Add the standard include files to the build
@@ -49,6 +49,8 @@ target_include_directories(pico-hf-oscillator-test PRIVATE
   ${CMAKE_CURRENT_LIST_DIR}/..
 )
 
+add_compile_options(-Wall)
+
 # Add any user requested libraries
 target_link_libraries(
         pico-hf-oscillator-test

gpstime/GPStime.c

@@ -93,6 +93,9 @@ GPStimeContext *GPStimeInit(int uart_id, int uart_baud, int pps_gpio)
     gpio_set_dir(pps_gpio, GPIO_IN);
     gpio_set_irq_enabled_with_callback(pps_gpio, GPIO_IRQ_EDGE_RISE, true, &GPStimePPScallback);
 
+    uart_set_hw_flow(uart_id ? uart1 : uart0, false, false);
+    uart_set_format(uart_id ? uart1 : uart0, 8, 1, UART_PARITY_NONE);
+    uart_set_fifo_enabled(uart_id ? uart1 : uart0, false);
     irq_set_exclusive_handler(uart_id ? UART1_IRQ : UART0_IRQ, GPStimeUartRxIsr);
     irq_set_enabled(uart_id ? UART1_IRQ : UART0_IRQ, true);
     uart_set_irq_enables(uart_id ? uart1 : uart0, true, false);
@@ -221,6 +224,8 @@ int GPStimeProcNMEAsentence(GPStimeContext *pg)
     uint8_t *prmc = (uint8_t *)strnstr((char *)pg->_pbytebuff, "$GPRMC,", sizeof(pg->_pbytebuff));
     if(prmc)
     {
+        ++pg->_time_data._u32_nmea_gprmc_count;
+
         uint64_t tm_fix = GetUptime64();
         uint8_t u8ixcollector[16] = {0};
         uint8_t chksum = 0;
@@ -273,8 +278,6 @@ int GPStimeProcNMEAsentence(GPStimeContext *pg)
             pg->_time_data._u32_utime_nmea_last = GPStime2UNIX(prmc + u8ixcollector[8], prmc + u8ixcollector[0]);
             pg->_time_data._u64_sysclk_nmea_last = tm_fix;
         }
-
-        ++pg->_time_data._u32_nmea_gprmc_count;
     }
     
     return 0;

test.c

@@ -234,20 +234,20 @@ void RAM (SpinnerGPSreferenceTest)(void)
 
         /* LED signal */
         gpio_put(PICO_DEFAULT_LED_PIN, 1);
-        sleep_ms(500);
+        sleep_ms(2500);
 
         i32_compensation_millis = 
             PioDCOGetFreqShiftMilliHertz(&DCO, (uint64_t)(ku32_freq * 1000LL));
 
-        StampPrintf("GPS solution status: %s | GPS-based freq compensation: %ld milliHz", 
-            pGPS->_time_data._u8_is_solution_active ? "Active" : "No solution",
-            i32_compensation_millis);
-
         gpio_put(PICO_DEFAULT_LED_PIN, 0);
-        sleep_ms(500);
+        sleep_ms(2500);
 
-        if(0 == ++tick % 30)
+        if(0 == ++tick % 6)
+        {
+            stdio_set_driver_enabled(&stdio_uart, false);
             GPStimeDump(&(pGPS->_time_data));
+            stdio_set_driver_enabled(&stdio_uart, true);
+        }
     }
 }
 
@@ -260,18 +260,6 @@ int main()
     sleep_ms(1000);
     printf("Start\n");
   
-/*
-    for(;;) 
-    {
-        char ch = uart_getc(uart0);
-        if(ch)
-        {
-            stdio_set_driver_enabled(&stdio_uart, false);
-            printf("%c", ch);
-            stdio_set_driver_enabled(&stdio_uart, true);
-        }
-    }
-*/
     gpio_init(PICO_DEFAULT_LED_PIN);
     gpio_set_dir(PICO_DEFAULT_LED_PIN, GPIO_OUT);