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si5351.c

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Remove unused function from header
Set static calls for functions (less size)
Set static constants (less size)
This commit is contained in:
DiSlord 2020-02-28 18:57:18 +03:00
parent a164a5765a
commit cc3370c962
2 changed files with 19 additions and 28 deletions
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33
si5351.c
View file

@ -69,15 +69,17 @@ si5351_init(void)
}
}
static const uint8_t disable_output[] = {
SI5351_REG_16_CLK0_CONTROL,
SI5351_CLK_POWERDOWN,
SI5351_CLK_POWERDOWN,
SI5351_CLK_POWERDOWN
};
void si5351_disable_output(void)
{
uint8_t reg[4];
si5351_write(SI5351_REG_3_OUTPUT_ENABLE_CONTROL, 0xff);
reg[0] = SI5351_REG_16_CLK0_CONTROL;
reg[1] = SI5351_CLK_POWERDOWN;
reg[2] = SI5351_CLK_POWERDOWN;
reg[3] = SI5351_CLK_POWERDOWN;
si5351_bulk_write(reg, 4);
si5351_bulk_write(disable_output, sizeof(disable_output));
}
void si5351_enable_output(void)
@ -85,19 +87,19 @@ void si5351_enable_output(void)
si5351_write(SI5351_REG_3_OUTPUT_ENABLE_CONTROL, 0x00);
}
void si5351_reset_pll(void)
static void si5351_reset_pll(void)
{
//si5351_write(SI5351_REG_177_PLL_RESET, SI5351_PLL_RESET_A | SI5351_PLL_RESET_B);
si5351_write(SI5351_REG_177_PLL_RESET, 0xAC);
}
void si5351_setupPLL(uint8_t pll, /* SI5351_PLL_A or SI5351_PLL_B */
static void si5351_setupPLL(uint8_t pll, /* SI5351_PLL_A or SI5351_PLL_B */
uint8_t mult,
uint32_t num,
uint32_t denom)
{
/* Get the appropriate starting point for the PLL registers */
const uint8_t pllreg_base[] = {
static const uint8_t pllreg_base[] = {
SI5351_REG_26_PLL_A,
SI5351_REG_34_PLL_B
};
@ -147,7 +149,7 @@ void si5351_setupPLL(uint8_t pll, /* SI5351_PLL_A or SI5351_PLL_B */
si5351_bulk_write(reg, 9);
}
void
static void
si5351_setupMultisynth(uint8_t output,
uint8_t pllSource,
uint32_t div, // 4,6,8, 8+ ~ 900
@ -157,12 +159,12 @@ si5351_setupMultisynth(uint8_t output,
uint8_t drive_strength)
{
/* Get the appropriate starting point for the PLL registers */
const uint8_t msreg_base[] = {
static const uint8_t msreg_base[] = {
SI5351_REG_42_MULTISYNTH0,
SI5351_REG_50_MULTISYNTH1,
SI5351_REG_58_MULTISYNTH2,
};
const uint8_t clkctrl[] = {
static const uint8_t clkctrl[] = {
SI5351_REG_16_CLK0_CONTROL,
SI5351_REG_17_CLK1_CONTROL,
SI5351_REG_18_CLK2_CONTROL
@ -226,7 +228,7 @@ si5351_setupMultisynth(uint8_t output,
#define PLL_N 32
#define PLLFREQ (XTALFREQ * PLL_N)
void
static void
si5351_set_frequency_fixedpll(int channel, int pll, uint32_t pllfreq, uint32_t freq,
int rdiv, uint8_t drive_strength, int mul)
{
@ -255,7 +257,7 @@ si5351_set_frequency_fixedpll(int channel, int pll, uint32_t pllfreq, uint32_t f
si5351_setupMultisynth(channel, pll, div, num, denom, rdiv, drive_strength);
}
void
static void
si5351_set_frequency_fixeddiv(int channel, int pll, uint32_t freq, int div,
uint8_t drive_strength, int mul)
{
@ -291,6 +293,7 @@ si5351_set_frequency_fixeddiv(int channel, int pll, uint32_t freq, int div,
* 100~150MHz fractional PLL 600-900MHz, fixed divider 6
* 150~200MHz fractional PLL 600-900MHz, fixed divider 4
*/
#if 0
void
si5351_set_frequency(int channel, int freq, uint8_t drive_strength)
{
@ -303,7 +306,7 @@ si5351_set_frequency(int channel, int freq, uint8_t drive_strength)
si5351_set_frequency_fixeddiv(channel, SI5351_PLL_B, freq, 4, drive_strength, 1);
}
}
#endif
int current_band = -1;

12
si5351.h
View file

@ -74,16 +74,4 @@
void si5351_init(void);
void si5351_setupPLL(uint8_t pll, /* SI5351_PLL_A or SI5351_PLL_B */
uint8_t mult,
uint32_t num,
uint32_t denom);
void si5351_setupMultisynth(uint8_t output,
uint8_t pllSource,
uint32_t div,
uint32_t num,
uint32_t denom,
uint32_t rdiv,
uint8_t drive_strength);
void si5351_set_frequency(int channel, int freq, uint8_t drive_strength);