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change clock_gpio_init to take float and add clock_gpio_init_int_frac (#1178)

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This commit is contained in:
Howard Su
2023-01-21 05:45:18 +08:00
committed by GitHub
parent 021a1b6bad
commit aaf0828250
2 changed files with 19 additions and 4 deletions
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4
src/rp2_common/hardware_clocks/clocks.c
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@ -314,7 +314,7 @@ void clocks_enable_resus(resus_callback_t resus_callback) {
clocks_hw->resus.ctrl = CLOCKS_CLK_SYS_RESUS_CTRL_ENABLE_BITS | timeout;
}
void clock_gpio_init(uint gpio, uint src, uint div) {
void clock_gpio_init_int_frac(uint gpio, uint src, uint32_t div_int, uint8_t div_frac) {
// Bit messy but it's as much code to loop through a lookup
// table. The sources for each gpout generators are the same
// so just call with the sources from GP0
@ -330,7 +330,7 @@ void clock_gpio_init(uint gpio, uint src, uint div) {
// Set up the gpclk generator
clocks_hw->clk[gpclk].ctrl = (src << CLOCKS_CLK_GPOUT0_CTRL_AUXSRC_LSB) |
CLOCKS_CLK_GPOUT0_CTRL_ENABLE_BITS;
clocks_hw->clk[gpclk].div = div << CLOCKS_CLK_GPOUT0_DIV_INT_LSB;
clocks_hw->clk[gpclk].div = (div_int << CLOCKS_CLK_GPOUT0_DIV_INT_LSB) | div_frac;
// Set gpio pin to gpclock function
gpio_set_function(gpio, GPIO_FUNC_GPCK);