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e1: remove set_default_working_clock() 

This was from the example where I copy+pasted code, it has no use in the
context of the E1 Interface
This commit is contained in:
Harald Welte 2019-12-23 20:02:45 +01:00
parent 3057d4bfa9
commit c65e90d63d
1 changed files with 0 additions and 45 deletions
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45
sam/applications/sam_e1/main.c
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@ -57,50 +57,6 @@ volatile uint32_t g_ul_ms_ticks;
volatile uint32_t g_ul_button_pressed = 0;
static struct idt82 g_idt;
/**
* \brief Set default clock (MCK = 24MHz).
*/
static void set_default_working_clock(void)
{
#if (SAMG)
/* Switch MCK to slow clock */
pmc_switch_mck_to_sclk(PMC_MCKR_PRES_CLK_1);
/*
* Configure PLL and switch clock.
* MCK = XTAL * (PLL_DEFAULT_MUL+1) / PLL_DEFAULT_DIV / MCK_DEFAULT_DIV
* = 24 MHz
*/
example_switch_clock(PLL_DEFAULT_MUL, PLL_COUNT, PLL_DEFAULT_DIV,
MCK_DEFAULT_DIV);
#else
/* Switch MCK to slow clock */
pmc_switch_mck_to_sclk(PMC_MCKR_PRES_CLK_1);
/* Switch mainck to external xtal */
pmc_switch_mainck_to_xtal(0, BOARD_OSC_STARTUP_US);
/*
* Configure PLL and switch clock.
* MCK = XTAL * (PLL_DEFAULT_MUL+1) / PLL_DEFAULT_DIV / MCK_DEFAULT_DIV
* = 24 MHz
*/
example_switch_clock(PLL_DEFAULT_MUL, PLL_COUNT, PLL_DEFAULT_DIV,
MCK_DEFAULT_DIV);
/* Disable unused clock to save power */
pmc_osc_disable_fastrc();
#endif
/* Save current clock */
#if SAMG55
g_ul_current_mck = 48000000; /* 48MHz */
#else
g_ul_current_mck = 24000000; /* 24MHz */
#endif
}
/**
* Configure UART console.
*/
@ -329,7 +285,6 @@ int main(void)
microvty_register(&tca_write_cmd);
/* Set default clock and re-configure UART */
set_default_working_clock();
reconfigure_console(g_ul_current_mck, CONF_UART_BAUDRATE);
/* Output example information */