FeatherHAB/wsprhab Changeset - 9becfc2d0fd1

Changeset - 9becfc2d0fd1

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Ethan Zonca - 10 years ago 2016-03-06 22:20:20
ez@ethanzonca.com

Correctly tune WSPR transmission frequencies

1 file changed with 9 insertions and 22 deletions:

src/main.c

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src/main.c

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 #include "stm32f0xx_hal.h"
 #include "si5351.h"
 #include "jtencode.h"
 #include "adc.h"
 #include "dma.h"
 #include "i2c.h"
 #include "usart.h"
 #include "gpio.h"
 #include "gps.h"
 void sysclk_init(void);
+#define WSPR_DEFAULT_FREQ 14097100UL
 char call[7] = "N0CALL";
 char loc[5] = "AA00";
 uint8_t dbm = 27;
 uint8_t tx_buffer[255];
 int main(void)
+{
     HAL_Init();
     sysclk_init();
     gpio_init();
     //led_blink(5);
     MX_DMA_Init();
     MX_ADC_Init();
     i2c_init();
     HAL_GPIO_WritePin(OSC_NOTEN, 0);
     HAL_GPIO_WritePin(TCXO_EN, 1);
     HAL_Delay(100);
 //    MX_USART1_UART_Init();
-    //jtencode_init();
     jtencode_init();
     //gps_init();
     si5351_init(i2c_get(), SI5351_CRYSTAL_LOAD_8PF, 0);
     si5351_set_correction(0);
     //SI5351_XTAL_FREQ
     si5351_set_pll(SI5351_PLL_FIXED, SI5351_PLLA);
     si5351_set_ms_source(SI5351_CLK0, SI5351_PLLA);
     si5351_set_ms_source(SI5351_CLK1, SI5351_PLLA);
     si5351_set_ms_source(SI5351_CLK2, SI5351_PLLA);
     si5351_set_ms_source(SI5351_CLK3, SI5351_PLLA);
     //si5351_set_pll(SI5351_PLL_FIXED, SI5351_PLLA);
     //si5351_set_ms_source(SI5351_CLK0, SI5351_PLLA);
     si5351_set_freq(WSPR_DEFAULT_FREQ * 100, 0, SI5351_CLK0);
     si5351_drive_strength(SI5351_CLK0, SI5351_DRIVE_2MA); // Set for max power if desired (8ma max)
     si5351_output_enable(SI5351_CLK0, 1);
     //si5351_pll_reset(SI5351_PLLA);
     si5351_set_freq(1000000UL * 100, SI5351_PLL_FIXED, SI5351_CLK0);
     si5351_drive_strength(SI5351_CLK0, SI5351_DRIVE_2MA); // Set for max power if desired (8ma max)
     si5351_output_enable(SI5351_CLK0, 1); // Disable the clock initially
     //wspr_encode(call, loc, dbm, tx_buffer);
     si5351_pll_reset(SI5351_PLLA);
     wspr_encode(call, loc, dbm, tx_buffer);
     HAL_Delay(1000);
     uint32_t led_timer = HAL_GetTick();
     uint32_t last_gps  = HAL_GetTick();
     while (1)
+    {
         if(HAL_GetTick() - led_timer > 100)
+        {
             HAL_GPIO_TogglePin(LED_BLUE);
             led_timer = HAL_GetTick();
+        }
         if(HAL_GetTick() - last_gps > 100)
+        {
 //            gps_process();
             last_gps = HAL_GetTick();
+        }
+    }
+}
 // Initialize system clocks
 void sysclk_init(void)

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