sergiotarxz/nuttx
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Fixed the bug that prevented the code from working in uninitialized

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state (wrong I2C write size). Some improvements of the code.
This commit is contained in:
okayserh 2022-05-08 13:27:18 +02:00 committed by Xiang Xiao
parent 22787ee109
commit 2696aee11d
4 changed files with 28 additions and 17 deletions
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2
arch/arm/src/stm32f7/stm32_sai.c
View File

@ -152,7 +152,7 @@
DMA_SCR_PBURST_INCR4 | DMA_SCR_MBURST_INCR4)
# define SAI_TXDMA8_CONFIG (DMA_SCR_DIR_M2P | DMA_SCR_MINC | \
DMA_SCR_PSIZE_32BITS | DMA_SCR_MSIZE_32BITS | \
DMA_SCR_PSIZE_8BITS | DMA_SCR_MSIZE_8BITS | \
DMA_SCR_PBURST_INCR4 | DMA_SCR_MBURST_INCR4)
# define SAI_TXDMA16_CONFIG (DMA_SCR_DIR_M2P | DMA_SCR_MINC | \
DMA_SCR_PSIZE_16BITS | DMA_SCR_MSIZE_16BITS | \

10
boards/arm/stm32f7/stm32f746g-disco/include/board.h
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@ -150,12 +150,12 @@
/* SAIx input frequency = 25 / M * N / Q / P
* 25000000 / 25 * 192 / 2 / 1
*/
#define STM32F7_SAI1_FREQUENCY (96000000)
#define STM32F7_SAI2_FREQUENCY (96000000)
#define STM32F7_SAI1_FREQUENCY (49142857)
#define STM32F7_SAI2_FREQUENCY (49142857)
/* Configure Dedicated Clock Configuration Register */
#define STM32_RCC_DCKCFGR1_PLLI2SDIVQ RCC_DCKCFGR1_PLLI2SDIVQ(1)
#define STM32_RCC_DCKCFGR1_PLLI2SDIVQ RCC_DCKCFGR1_PLLI2SDIVQ(0)
#define STM32_RCC_DCKCFGR1_PLLSAIDIVQ RCC_DCKCFGR1_PLLSAIDIVQ(0)
#define STM32_RCC_DCKCFGR1_PLLSAIDIVR RCC_DCKCFGR1_PLLSAIDIVR(1)
#define STM32_RCC_DCKCFGR1_SAI1SRC RCC_DCKCFGR1_SAI1SEL(1)
@ -167,9 +167,9 @@
/* Configure factors for PLLI2S clock */
#define CONFIG_STM32F7_PLLI2S 1
#define STM32_RCC_PLLI2SCFGR_PLLI2SN RCC_PLLI2SCFGR_PLLI2SN(192)
#define STM32_RCC_PLLI2SCFGR_PLLI2SN RCC_PLLI2SCFGR_PLLI2SN(344)
#define STM32_RCC_PLLI2SCFGR_PLLI2SP RCC_PLLI2SCFGR_PLLI2SP(2)
#define STM32_RCC_PLLI2SCFGR_PLLI2SQ RCC_PLLI2SCFGR_PLLI2SQ(2)
#define STM32_RCC_PLLI2SCFGR_PLLI2SQ RCC_PLLI2SCFGR_PLLI2SQ(7)
#define STM32_RCC_PLLI2SCFGR_PLLI2SR RCC_PLLI2SCFGR_PLLI2SR(2)
/* Configure Dedicated Clock Configuration Register 2 */

24
drivers/audio/wm8994.c
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@ -340,7 +340,7 @@ static void wm8994_writereg(FAR struct wm8994_dev_s *priv, uint16_t regaddr,
* completed.
*/
ret = i2c_write(priv->i2c, &config, data, 3);
ret = i2c_write(priv->i2c, &config, data, 4);
if (ret < 0)
{
#ifdef CONFIG_I2C_RESET
@ -1964,7 +1964,7 @@ static void wm8994_audio_output(FAR struct wm8994_dev_s *priv)
* 256 works from 8kHz to 48kHz.
*/
wm8994_setsamplefreq (priv);
wm8994_setbitrate(priv);
/* AIF1 Word Length = 16-bits, AIF1 Format = I2S (Default Register Value) */
@ -2082,8 +2082,8 @@ static void wm8994_audio_output(FAR struct wm8994_dev_s *priv)
/* Enable Class W, Class W Envelope Tracking = AIF1 Timeslot 0 */
regval = WM8994_CP_DYN_PWR;
regval = 0x0005; /* TODO: Check where this comes from? */
regval = wm8994_readreg(priv, WM8994_CLASS_W_1);
regval |= WM8994_CP_DYN_PWR;
wm8994_writereg(priv, WM8994_CLASS_W_1, regval);
}
@ -2118,9 +2118,14 @@ static void wm8994_audio_output(FAR struct wm8994_dev_s *priv)
WM8994_HPOUT1R_DLY;
wm8994_writereg(priv, WM8994_ANA_HP1, regval);
/* Enable Charge Pump */
/* Enable Charge Pump
* Note: The STM32Cube_FW_F7_V1.16.0 BSP driver included the
* number 9F25h as write value for this register. This is the
* default value + CP_ENA set.
*/
regval = WM8994_CP_ENA;
regval = wm8994_readreg(priv, WM8994_CHARGE_PUMP1);
regval |= WM8994_CP_ENA;
wm8994_writereg(priv, WM8994_CHARGE_PUMP1, regval);
/* Add Delay */
@ -2320,9 +2325,14 @@ static void wm8994_hw_reset(FAR struct wm8994_dev_s *priv)
/* wm8994 Errata Work-Arounds */
/* copy code from STM32Cube_FW_F7_V1.15.0 */
/* Note: Initially from STM32Cube_FW_F7_V1.15.0.
* The write to 0x56 comes from Linux (drivers/mfd/wm8994-core.c),
* where it is found for wm8994_revc_patch. Neither
* register 0x56 nor 0x817 is documented.
*/
wm8994_writereg(priv, 0x102, 0x0003);
wm8994_writereg(priv, 0x56, 0x0003);
wm8994_writereg(priv, 0x817, 0x0000);
wm8994_writereg(priv, 0x102, 0x0000);

7
drivers/audio/wm8994.h
View File

@ -663,9 +663,9 @@
#define WM8994_HPOUT1R_ZC_DIABLED (0) /* Zero cross disabled */
#define WM8994_HPOUT1R_ZC_ENABLED (1 << WM8994_HPOUT1R_ZC_SHIFT) /* Zero cross enabled */
#if 0
#define WM8994_HPOUT1_VU_SHIFT (1 << 8) /* Bit 8: Headphone Output PGA Volume Update */
#define WM8994_HPOUT1_VU_SHIFT (8) /* Bit 8: Headphone Output PGA Volume Update */
#define WM8994_HPOUT1_VU_DISABLE (0)
#define WM8994_HPOUT1_VU_ENABLED (1 << WM8994_HPOUT1L_VU_SHIFT) /* Writing a 1 to this bit will update HPOUT1LVOL and
#define WM8994_HPOUT1_VU_ENABLED (1 << WM8994_HPOUT1_VU_SHIFT) /* Writing a 1 to this bit will update HPOUT1LVOL and
* HPOUT1RVOL volumes simultaneously */
#endif
@ -805,6 +805,7 @@
/* R54 (0x36) - Speaker Mixer
*/
#define WM8994_DAC2L_TO_SPKMIXL (1 << 9) /* Bit 9: Left DAC2 to SPKMXL Mute */
#define WM8994_DAC2L_TO_SPKMIXL_MUTE (0) /* Mute */
#define WM8994_DAC2L_TO_SPKMIXL_UNMUTE (WM8994_DAC2L_TO_SPKMIXL) /* Un-mute */
@ -962,7 +963,7 @@
#define WM8994_DCS_ENA_CHAN_1_ENABLE (WM8994_DCS_ENA_CHAN_1) /* Enable */
#define WM8994_DCS_ENA_CHAN_0 (1 << 0) /* Bit 0: DC Servo enable for HPOUT1L */
#define WM8994_DCS_ENA_CHAN_0_DISABLE (0) /* Diable */
#define WM8994_DCS_ENA_CHAN_0_ENABLE (WM8994_DCS_ENA_CHAN_1) /* Enable */
#define WM8994_DCS_ENA_CHAN_0_ENABLE (WM8994_DCS_ENA_CHAN_0) /* Enable */
/* R85 (0x55) - DC Servo (2)
*/