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refactor(hal): use hal utils to calculate clock division

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This commit is contained in:
laokaiyao
2023-09-11 12:58:38 +08:00
parent 9bec9ccade
commit dd4072a80c
23 changed files with 432 additions and 292 deletions
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43
components/hal/esp32c3/include/hal/i2s_ll.h
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@@ -18,6 +18,7 @@
#include "soc/i2s_periph.h"
#include "soc/i2s_struct.h"
#include "hal/i2s_types.h"
#include "hal/hal_utils.h"
#ifdef __cplusplus
@@ -29,22 +30,12 @@ extern "C" {
#define I2S_LL_TDM_CH_MASK (0xffff)
#define I2S_LL_PDM_BCK_FACTOR (64)
#define I2S_LL_MCLK_DIVIDER_BIT_WIDTH (9)
#define I2S_LL_MCLK_DIVIDER_MAX ((1 << I2S_LL_MCLK_DIVIDER_BIT_WIDTH) - 1)
#define I2S_LL_CLK_FRAC_DIV_N_MAX 256 // I2S_MCLK = I2S_SRC_CLK / (N + b/a), the N register is 8 bit-width
#define I2S_LL_CLK_FRAC_DIV_AB_MAX 512 // I2S_MCLK = I2S_SRC_CLK / (N + b/a), the a/b register is 9 bit-width
#define I2S_LL_PLL_F160M_CLK_FREQ (160 * 1000000) // PLL_F160M_CLK: 160MHz
#define I2S_LL_DEFAULT_PLL_CLK_FREQ I2S_LL_PLL_F160M_CLK_FREQ // The default PLL clock frequency while using I2S_CLK_SRC_DEFAULT
/**
* @brief I2S clock configuration structure
* @note Fmclk = Fsclk /(integ+numer/denom)
*/
typedef struct {
uint16_t integ; // Integer part of I2S module clock divider
uint16_t denom; // Denominator part of I2S module clock divider
uint16_t numer; // Numerator part of I2S module clock divider
} i2s_ll_mclk_div_t;
/**
* @brief I2S module general init, enable I2S clock.
*
@@ -304,7 +295,7 @@ static inline void i2s_ll_rx_set_raw_clk_div(i2s_dev_t *hw, uint32_t div_int, ui
* @param hw Peripheral I2S hardware instance address.
* @param mclk_div The mclk division coefficients
*/
static inline void i2s_ll_tx_set_mclk(i2s_dev_t *hw, const i2s_ll_mclk_div_t *mclk_div)
static inline void i2s_ll_tx_set_mclk(i2s_dev_t *hw, const hal_utils_clk_div_t *mclk_div)
{
/* Workaround for inaccurate clock while switching from a relatively low sample rate to a high sample rate
* Set to particular coefficients first then update to the target coefficients,
@@ -317,13 +308,13 @@ static inline void i2s_ll_tx_set_mclk(i2s_dev_t *hw, const i2s_ll_mclk_div_t *mc
uint32_t div_z = 0;
uint32_t div_yn1 = 0;
/* If any of denominator and numerator is 0, set all the coefficients to 0 */
if (mclk_div->denom && mclk_div->numer) {
div_yn1 = mclk_div->numer * 2 > mclk_div->denom;
div_z = div_yn1 ? mclk_div->denom - mclk_div->numer : mclk_div->numer;
div_x = mclk_div->denom / div_z - 1;
div_y = mclk_div->denom % div_z;
if (mclk_div->denominator && mclk_div->numerator) {
div_yn1 = mclk_div->numerator * 2 > mclk_div->denominator;
div_z = div_yn1 ? mclk_div->denominator - mclk_div->numerator : mclk_div->numerator;
div_x = mclk_div->denominator / div_z - 1;
div_y = mclk_div->denominator % div_z;
}
i2s_ll_tx_set_raw_clk_div(hw, mclk_div->integ, div_x, div_y, div_z, div_yn1);
i2s_ll_tx_set_raw_clk_div(hw, mclk_div->integer, div_x, div_y, div_z, div_yn1);
}
/**
@@ -344,7 +335,7 @@ static inline void i2s_ll_rx_set_bck_div_num(i2s_dev_t *hw, uint32_t val)
* @param hw Peripheral I2S hardware instance address.
* @param mclk_div The mclk division coefficients
*/
static inline void i2s_ll_rx_set_mclk(i2s_dev_t *hw, const i2s_ll_mclk_div_t *mclk_div)
static inline void i2s_ll_rx_set_mclk(i2s_dev_t *hw, const hal_utils_clk_div_t *mclk_div)
{
/* Workaround for inaccurate clock while switching from a relatively low sample rate to a high sample rate
* Set to particular coefficients first then update to the target coefficients,
@@ -357,13 +348,13 @@ static inline void i2s_ll_rx_set_mclk(i2s_dev_t *hw, const i2s_ll_mclk_div_t *mc
uint32_t div_z = 0;
uint32_t div_yn1 = 0;
/* If any of denominator and numerator is 0, set all the coefficients to 0 */
if (mclk_div->denom && mclk_div->numer) {
div_yn1 = mclk_div->numer * 2 > mclk_div->denom;
div_z = div_yn1 ? mclk_div->denom - mclk_div->numer : mclk_div->numer;
div_x = mclk_div->denom / div_z - 1;
div_y = mclk_div->denom % div_z;
if (mclk_div->denominator && mclk_div->numerator) {
div_yn1 = mclk_div->numerator * 2 > mclk_div->denominator;
div_z = div_yn1 ? mclk_div->denominator - mclk_div->numerator : mclk_div->numerator;
div_x = mclk_div->denominator / div_z - 1;
div_y = mclk_div->denominator % div_z;
}
i2s_ll_rx_set_raw_clk_div(hw, mclk_div->integ, div_x, div_y, div_z, div_yn1);
i2s_ll_rx_set_raw_clk_div(hw, mclk_div->integer, div_x, div_y, div_z, div_yn1);
}
/**