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Added a multiplied by 2 in the SDIO clock divider calculation to account for internal UDB divider. 

Note: Fixes issues with intermittent WiFi firmware load failures on CY8CKIT_062_WIFI_BT, CYW943012P6EVB_01, CYW9P62S1_43012EVB_01, CYW9P62S1_43438EVB_01.
pull/12394/head
midd 2020-02-06 14:16:41 -08:00
parent 5f496a694c
commit df5ac6483b
16 changed files with 88 additions and 68 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

33
targets/TARGET_Cypress/TARGET_PSOC6/TARGET_CY8CKIT_062_WIFI_BT/SDIO_HOST/SDIO_HOST.c
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@ -6,7 +6,7 @@
* *
******************************************************************************** ********************************************************************************
* \copyright * \copyright
* Copyright 2016-2019 Cypress Semiconductor Corporation * Copyright 2016-2020 Cypress Semiconductor Corporation
* SPDX-License-Identifier: Apache-2.0 * SPDX-License-Identifier: Apache-2.0
* *
* Licensed under the Apache License, Version 2.0 (the "License"); * Licensed under the Apache License, Version 2.0 (the "License");
@ -111,7 +111,7 @@ cy_en_syspm_status_t SDIO_DeepSleepCallback(cy_stc_syspm_callback_params_t *para
CY_UNUSED_PARAMETER(params); CY_UNUSED_PARAMETER(params);
cy_en_syspm_status_t status = CY_SYSPM_FAIL; cy_en_syspm_status_t status = CY_SYSPM_FAIL;
switch (mode) switch (mode)
{ {
case CY_SYSPM_CHECK_READY: case CY_SYSPM_CHECK_READY:
case CY_SYSPM_CHECK_FAIL: case CY_SYSPM_CHECK_FAIL:
@ -656,7 +656,7 @@ en_sdio_result_t SDIO_SendCommandAndWait(stc_sdio_cmd_t *pstcCmd)
cy_rslt_t result; cy_rslt_t result;
/* Initialize the semaphore. This is not done in init because init is called /* Initialize the semaphore. This is not done in init because init is called
* in interrupt thread. cy_rtos_init_semaphore call is prohibited in * in interrupt thread. cy_rtos_init_semaphore call is prohibited in
* interrupt thread. * interrupt thread.
*/ */
if(!sema_initialized) if(!sema_initialized)
@ -770,16 +770,16 @@ en_sdio_result_t SDIO_SendCommandAndWait(stc_sdio_cmd_t *pstcCmd)
#ifdef CY_RTOS_AWARE #ifdef CY_RTOS_AWARE
/* Wait for the transfer to finish. /* Wait for the transfer to finish.
* Acquire semaphore and wait until it will be released * Acquire semaphore and wait until it will be released
* in SDIO_IRQ: * in SDIO_IRQ:
* 1. sdio_transfer_finished_semaphore count is equal to * 1. sdio_transfer_finished_semaphore count is equal to
* zero. cy_rtos_get_semaphore waits until semaphore * zero. cy_rtos_get_semaphore waits until semaphore
* count is increased by cy_rtos_set_semaphore() in * count is increased by cy_rtos_set_semaphore() in
* SDIO_IRQ. * SDIO_IRQ.
* 2. The cy_rtos_set_semaphore() increases * 2. The cy_rtos_set_semaphore() increases
* sdio_transfer_finished_semaphore count. * sdio_transfer_finished_semaphore count.
* 3. The cy_rtos_get_semaphore() function decreases * 3. The cy_rtos_get_semaphore() function decreases
* sdio_transfer_finished_semaphore back to zero * sdio_transfer_finished_semaphore back to zero
* and exit. Or timeout occurs * and exit. Or timeout occurs
*/ */
result = cy_rtos_get_semaphore( &sdio_transfer_finished_semaphore, 10, false ); result = cy_rtos_get_semaphore( &sdio_transfer_finished_semaphore, 10, false );
@ -1080,7 +1080,12 @@ void SDIO_DisableSdClk(void)
void SDIO_SetSdClkFrequency(uint32_t u32SdClkFreqHz) void SDIO_SetSdClkFrequency(uint32_t u32SdClkFreqHz)
{ {
uint16_t u16Div; uint16_t u16Div;
u16Div = Cy_SysClk_ClkPeriGetFrequency() / u32SdClkFreqHz; /*
* The UDB SDIO implemenation has a extra divider internally that divides the input clock to the UDB
* by 2. The desired clock frequency is hence intentionally multiplied by 2 in order to get the required
* SDIO operating frequency.
*/
u16Div = Cy_SysClk_ClkPeriGetFrequency() / (2 * u32SdClkFreqHz);
Cy_SysClk_PeriphSetDivider(SDIO_HOST_Internal_Clock_DIV_TYPE, SDIO_HOST_Internal_Clock_DIV_NUM, (u16Div-1)); Cy_SysClk_PeriphSetDivider(SDIO_HOST_Internal_Clock_DIV_TYPE, SDIO_HOST_Internal_Clock_DIV_NUM, (u16Div-1));
} }
@ -1247,10 +1252,10 @@ void SDIO_IRQ(void)
{ {
pfnCardInt_count++; pfnCardInt_count++;
} }
/* Execute card interrupt callback if neccesary */ /* Execute card interrupt callback if neccesary */
if (0 != pfnCardInt_count) if (0 != pfnCardInt_count)
{ {
if (NULL != gstcInternalData.pstcCallBacks.pfnCardIntCb) if (NULL != gstcInternalData.pstcCallBacks.pfnCardIntCb)
{ {
gstcInternalData.pstcCallBacks.pfnCardIntCb(); gstcInternalData.pstcCallBacks.pfnCardIntCb();
@ -1277,7 +1282,7 @@ void SDIO_IRQ(void)
/* CRC was bad, set the flag */ /* CRC was bad, set the flag */
gstcInternalData.stcEvents.u8CRCError++; gstcInternalData.stcEvents.u8CRCError++;
} }
/* Set the done flag */ /* Set the done flag */
#ifdef CY_RTOS_AWARE #ifdef CY_RTOS_AWARE

2
targets/TARGET_Cypress/TARGET_PSOC6/TARGET_CY8CKIT_062_WIFI_BT/SDIO_HOST/SDIO_HOST.h
View File

@ -7,7 +7,7 @@
* *
******************************************************************************** ********************************************************************************
* \copyright * \copyright
* Copyright 2016-2019 Cypress Semiconductor Corporation * Copyright 2016-2020 Cypress Semiconductor Corporation
* SPDX-License-Identifier: Apache-2.0 * SPDX-License-Identifier: Apache-2.0
* *
* Licensed under the Apache License, Version 2.0 (the "License"); * Licensed under the Apache License, Version 2.0 (the "License");

2
targets/TARGET_Cypress/TARGET_PSOC6/TARGET_CY8CKIT_062_WIFI_BT/SDIO_HOST/SDIO_HOST_cfg.c
View File

@ -6,7 +6,7 @@
* *
******************************************************************************** ********************************************************************************
* \copyright * \copyright
* Copyright 2016-2019 Cypress Semiconductor Corporation * Copyright 2016-2020 Cypress Semiconductor Corporation
* SPDX-License-Identifier: Apache-2.0 * SPDX-License-Identifier: Apache-2.0
* *
* Licensed under the Apache License, Version 2.0 (the "License"); * Licensed under the Apache License, Version 2.0 (the "License");

2
targets/TARGET_Cypress/TARGET_PSOC6/TARGET_CY8CKIT_062_WIFI_BT/SDIO_HOST/SDIO_HOST_cfg.h
View File

@ -6,7 +6,7 @@
* *
******************************************************************************** ********************************************************************************
* \copyright * \copyright
* Copyright 2016-2019 Cypress Semiconductor Corporation * Copyright 2016-2020 Cypress Semiconductor Corporation
* SPDX-License-Identifier: Apache-2.0 * SPDX-License-Identifier: Apache-2.0
* *
* Licensed under the Apache License, Version 2.0 (the "License"); * Licensed under the Apache License, Version 2.0 (the "License");

33
targets/TARGET_Cypress/TARGET_PSOC6/TARGET_CYW943012P6EVB_01/SDIO_HOST/SDIO_HOST.c
View File

@ -6,7 +6,7 @@
* *
******************************************************************************** ********************************************************************************
* \copyright * \copyright
* Copyright 2016-2019 Cypress Semiconductor Corporation * Copyright 2016-2020 Cypress Semiconductor Corporation
* SPDX-License-Identifier: Apache-2.0 * SPDX-License-Identifier: Apache-2.0
* *
* Licensed under the Apache License, Version 2.0 (the "License"); * Licensed under the Apache License, Version 2.0 (the "License");
@ -111,7 +111,7 @@ cy_en_syspm_status_t SDIO_DeepSleepCallback(cy_stc_syspm_callback_params_t *para
CY_UNUSED_PARAMETER(params); CY_UNUSED_PARAMETER(params);
cy_en_syspm_status_t status = CY_SYSPM_FAIL; cy_en_syspm_status_t status = CY_SYSPM_FAIL;
switch (mode) switch (mode)
{ {
case CY_SYSPM_CHECK_READY: case CY_SYSPM_CHECK_READY:
case CY_SYSPM_CHECK_FAIL: case CY_SYSPM_CHECK_FAIL:
@ -656,7 +656,7 @@ en_sdio_result_t SDIO_SendCommandAndWait(stc_sdio_cmd_t *pstcCmd)
cy_rslt_t result; cy_rslt_t result;
/* Initialize the semaphore. This is not done in init because init is called /* Initialize the semaphore. This is not done in init because init is called
* in interrupt thread. cy_rtos_init_semaphore call is prohibited in * in interrupt thread. cy_rtos_init_semaphore call is prohibited in
* interrupt thread. * interrupt thread.
*/ */
if(!sema_initialized) if(!sema_initialized)
@ -770,16 +770,16 @@ en_sdio_result_t SDIO_SendCommandAndWait(stc_sdio_cmd_t *pstcCmd)
#ifdef CY_RTOS_AWARE #ifdef CY_RTOS_AWARE
/* Wait for the transfer to finish. /* Wait for the transfer to finish.
* Acquire semaphore and wait until it will be released * Acquire semaphore and wait until it will be released
* in SDIO_IRQ: * in SDIO_IRQ:
* 1. sdio_transfer_finished_semaphore count is equal to * 1. sdio_transfer_finished_semaphore count is equal to
* zero. cy_rtos_get_semaphore waits until semaphore * zero. cy_rtos_get_semaphore waits until semaphore
* count is increased by cy_rtos_set_semaphore() in * count is increased by cy_rtos_set_semaphore() in
* SDIO_IRQ. * SDIO_IRQ.
* 2. The cy_rtos_set_semaphore() increases * 2. The cy_rtos_set_semaphore() increases
* sdio_transfer_finished_semaphore count. * sdio_transfer_finished_semaphore count.
* 3. The cy_rtos_get_semaphore() function decreases * 3. The cy_rtos_get_semaphore() function decreases
* sdio_transfer_finished_semaphore back to zero * sdio_transfer_finished_semaphore back to zero
* and exit. Or timeout occurs * and exit. Or timeout occurs
*/ */
result = cy_rtos_get_semaphore( &sdio_transfer_finished_semaphore, 10, false ); result = cy_rtos_get_semaphore( &sdio_transfer_finished_semaphore, 10, false );
@ -1080,7 +1080,12 @@ void SDIO_DisableSdClk(void)
void SDIO_SetSdClkFrequency(uint32_t u32SdClkFreqHz) void SDIO_SetSdClkFrequency(uint32_t u32SdClkFreqHz)
{ {
uint16_t u16Div; uint16_t u16Div;
u16Div = Cy_SysClk_ClkPeriGetFrequency() / u32SdClkFreqHz; /*
* The UDB SDIO implemenation has a extra divider internally that divides the input clock to the UDB
* by 2. The desired clock frequency is hence intentionally multiplied by 2 in order to get the required
* SDIO operating frequency.
*/
u16Div = Cy_SysClk_ClkPeriGetFrequency() / (2 * u32SdClkFreqHz);
Cy_SysClk_PeriphSetDivider(SDIO_HOST_Internal_Clock_DIV_TYPE, SDIO_HOST_Internal_Clock_DIV_NUM, (u16Div-1)); Cy_SysClk_PeriphSetDivider(SDIO_HOST_Internal_Clock_DIV_TYPE, SDIO_HOST_Internal_Clock_DIV_NUM, (u16Div-1));
} }
@ -1247,10 +1252,10 @@ void SDIO_IRQ(void)
{ {
pfnCardInt_count++; pfnCardInt_count++;
} }
/* Execute card interrupt callback if neccesary */ /* Execute card interrupt callback if neccesary */
if (0 != pfnCardInt_count) if (0 != pfnCardInt_count)
{ {
if (NULL != gstcInternalData.pstcCallBacks.pfnCardIntCb) if (NULL != gstcInternalData.pstcCallBacks.pfnCardIntCb)
{ {
gstcInternalData.pstcCallBacks.pfnCardIntCb(); gstcInternalData.pstcCallBacks.pfnCardIntCb();
@ -1277,7 +1282,7 @@ void SDIO_IRQ(void)
/* CRC was bad, set the flag */ /* CRC was bad, set the flag */
gstcInternalData.stcEvents.u8CRCError++; gstcInternalData.stcEvents.u8CRCError++;
} }
/* Set the done flag */ /* Set the done flag */
#ifdef CY_RTOS_AWARE #ifdef CY_RTOS_AWARE

2
targets/TARGET_Cypress/TARGET_PSOC6/TARGET_CYW943012P6EVB_01/SDIO_HOST/SDIO_HOST.h
View File

@ -7,7 +7,7 @@
* *
******************************************************************************** ********************************************************************************
* \copyright * \copyright
* Copyright 2016-2019 Cypress Semiconductor Corporation * Copyright 2016-2020 Cypress Semiconductor Corporation
* SPDX-License-Identifier: Apache-2.0 * SPDX-License-Identifier: Apache-2.0
* *
* Licensed under the Apache License, Version 2.0 (the "License"); * Licensed under the Apache License, Version 2.0 (the "License");

2
targets/TARGET_Cypress/TARGET_PSOC6/TARGET_CYW943012P6EVB_01/SDIO_HOST/SDIO_HOST_cfg.c
View File

@ -6,7 +6,7 @@
* *
******************************************************************************** ********************************************************************************
* \copyright * \copyright
* Copyright 2016-2019 Cypress Semiconductor Corporation * Copyright 2016-2020 Cypress Semiconductor Corporation
* SPDX-License-Identifier: Apache-2.0 * SPDX-License-Identifier: Apache-2.0
* *
* Licensed under the Apache License, Version 2.0 (the "License"); * Licensed under the Apache License, Version 2.0 (the "License");

2
targets/TARGET_Cypress/TARGET_PSOC6/TARGET_CYW943012P6EVB_01/SDIO_HOST/SDIO_HOST_cfg.h
View File

@ -6,7 +6,7 @@
* *
******************************************************************************** ********************************************************************************
* \copyright * \copyright
* Copyright 2016-2019 Cypress Semiconductor Corporation * Copyright 2016-2020 Cypress Semiconductor Corporation
* SPDX-License-Identifier: Apache-2.0 * SPDX-License-Identifier: Apache-2.0
* *
* Licensed under the Apache License, Version 2.0 (the "License"); * Licensed under the Apache License, Version 2.0 (the "License");

33
targets/TARGET_Cypress/TARGET_PSOC6/TARGET_CYW9P62S1_43012EVB_01/SDIO_HOST/SDIO_HOST.c
View File

@ -6,7 +6,7 @@
* *
******************************************************************************** ********************************************************************************
* \copyright * \copyright
* Copyright 2016-2019 Cypress Semiconductor Corporation * Copyright 2016-2020 Cypress Semiconductor Corporation
* SPDX-License-Identifier: Apache-2.0 * SPDX-License-Identifier: Apache-2.0
* *
* Licensed under the Apache License, Version 2.0 (the "License"); * Licensed under the Apache License, Version 2.0 (the "License");
@ -111,7 +111,7 @@ cy_en_syspm_status_t SDIO_DeepSleepCallback(cy_stc_syspm_callback_params_t *para
CY_UNUSED_PARAMETER(params); CY_UNUSED_PARAMETER(params);
cy_en_syspm_status_t status = CY_SYSPM_FAIL; cy_en_syspm_status_t status = CY_SYSPM_FAIL;
switch (mode) switch (mode)
{ {
case CY_SYSPM_CHECK_READY: case CY_SYSPM_CHECK_READY:
case CY_SYSPM_CHECK_FAIL: case CY_SYSPM_CHECK_FAIL:
@ -656,7 +656,7 @@ en_sdio_result_t SDIO_SendCommandAndWait(stc_sdio_cmd_t *pstcCmd)
cy_rslt_t result; cy_rslt_t result;
/* Initialize the semaphore. This is not done in init because init is called /* Initialize the semaphore. This is not done in init because init is called
* in interrupt thread. cy_rtos_init_semaphore call is prohibited in * in interrupt thread. cy_rtos_init_semaphore call is prohibited in
* interrupt thread. * interrupt thread.
*/ */
if(!sema_initialized) if(!sema_initialized)
@ -770,16 +770,16 @@ en_sdio_result_t SDIO_SendCommandAndWait(stc_sdio_cmd_t *pstcCmd)
#ifdef CY_RTOS_AWARE #ifdef CY_RTOS_AWARE
/* Wait for the transfer to finish. /* Wait for the transfer to finish.
* Acquire semaphore and wait until it will be released * Acquire semaphore and wait until it will be released
* in SDIO_IRQ: * in SDIO_IRQ:
* 1. sdio_transfer_finished_semaphore count is equal to * 1. sdio_transfer_finished_semaphore count is equal to
* zero. cy_rtos_get_semaphore waits until semaphore * zero. cy_rtos_get_semaphore waits until semaphore
* count is increased by cy_rtos_set_semaphore() in * count is increased by cy_rtos_set_semaphore() in
* SDIO_IRQ. * SDIO_IRQ.
* 2. The cy_rtos_set_semaphore() increases * 2. The cy_rtos_set_semaphore() increases
* sdio_transfer_finished_semaphore count. * sdio_transfer_finished_semaphore count.
* 3. The cy_rtos_get_semaphore() function decreases * 3. The cy_rtos_get_semaphore() function decreases
* sdio_transfer_finished_semaphore back to zero * sdio_transfer_finished_semaphore back to zero
* and exit. Or timeout occurs * and exit. Or timeout occurs
*/ */
result = cy_rtos_get_semaphore( &sdio_transfer_finished_semaphore, 10, false ); result = cy_rtos_get_semaphore( &sdio_transfer_finished_semaphore, 10, false );
@ -1080,7 +1080,12 @@ void SDIO_DisableSdClk(void)
void SDIO_SetSdClkFrequency(uint32_t u32SdClkFreqHz) void SDIO_SetSdClkFrequency(uint32_t u32SdClkFreqHz)
{ {
uint16_t u16Div; uint16_t u16Div;
u16Div = Cy_SysClk_ClkPeriGetFrequency() / u32SdClkFreqHz; /*
* The UDB SDIO implemenation has a extra divider internally that divides the input clock to the UDB
* by 2. The desired clock frequency is hence intentionally multiplied by 2 in order to get the required
* SDIO operating frequency.
*/
u16Div = Cy_SysClk_ClkPeriGetFrequency() / (2 * u32SdClkFreqHz);
Cy_SysClk_PeriphSetDivider(SDIO_HOST_Internal_Clock_DIV_TYPE, SDIO_HOST_Internal_Clock_DIV_NUM, (u16Div-1)); Cy_SysClk_PeriphSetDivider(SDIO_HOST_Internal_Clock_DIV_TYPE, SDIO_HOST_Internal_Clock_DIV_NUM, (u16Div-1));
} }
@ -1247,10 +1252,10 @@ void SDIO_IRQ(void)
{ {
pfnCardInt_count++; pfnCardInt_count++;
} }
/* Execute card interrupt callback if neccesary */ /* Execute card interrupt callback if neccesary */
if (0 != pfnCardInt_count) if (0 != pfnCardInt_count)
{ {
if (NULL != gstcInternalData.pstcCallBacks.pfnCardIntCb) if (NULL != gstcInternalData.pstcCallBacks.pfnCardIntCb)
{ {
gstcInternalData.pstcCallBacks.pfnCardIntCb(); gstcInternalData.pstcCallBacks.pfnCardIntCb();
@ -1277,7 +1282,7 @@ void SDIO_IRQ(void)
/* CRC was bad, set the flag */ /* CRC was bad, set the flag */
gstcInternalData.stcEvents.u8CRCError++; gstcInternalData.stcEvents.u8CRCError++;
} }
/* Set the done flag */ /* Set the done flag */
#ifdef CY_RTOS_AWARE #ifdef CY_RTOS_AWARE

2
targets/TARGET_Cypress/TARGET_PSOC6/TARGET_CYW9P62S1_43012EVB_01/SDIO_HOST/SDIO_HOST.h
View File

@ -7,7 +7,7 @@
* *
******************************************************************************** ********************************************************************************
* \copyright * \copyright
* Copyright 2016-2019 Cypress Semiconductor Corporation * Copyright 2016-2020 Cypress Semiconductor Corporation
* SPDX-License-Identifier: Apache-2.0 * SPDX-License-Identifier: Apache-2.0
* *
* Licensed under the Apache License, Version 2.0 (the "License"); * Licensed under the Apache License, Version 2.0 (the "License");

2
targets/TARGET_Cypress/TARGET_PSOC6/TARGET_CYW9P62S1_43012EVB_01/SDIO_HOST/SDIO_HOST_cfg.c
View File

@ -6,7 +6,7 @@
* *
******************************************************************************** ********************************************************************************
* \copyright * \copyright
* Copyright 2016-2019 Cypress Semiconductor Corporation * Copyright 2016-2020 Cypress Semiconductor Corporation
* SPDX-License-Identifier: Apache-2.0 * SPDX-License-Identifier: Apache-2.0
* *
* Licensed under the Apache License, Version 2.0 (the "License"); * Licensed under the Apache License, Version 2.0 (the "License");

2
targets/TARGET_Cypress/TARGET_PSOC6/TARGET_CYW9P62S1_43012EVB_01/SDIO_HOST/SDIO_HOST_cfg.h
View File

@ -6,7 +6,7 @@
* *
******************************************************************************** ********************************************************************************
* \copyright * \copyright
* Copyright 2016-2019 Cypress Semiconductor Corporation * Copyright 2016-2020 Cypress Semiconductor Corporation
* SPDX-License-Identifier: Apache-2.0 * SPDX-License-Identifier: Apache-2.0
* *
* Licensed under the Apache License, Version 2.0 (the "License"); * Licensed under the Apache License, Version 2.0 (the "License");

33
targets/TARGET_Cypress/TARGET_PSOC6/TARGET_CYW9P62S1_43438EVB_01/SDIO_HOST/SDIO_HOST.c
View File

@ -6,7 +6,7 @@
* *
******************************************************************************** ********************************************************************************
* \copyright * \copyright
* Copyright 2016-2019 Cypress Semiconductor Corporation * Copyright 2016-2020 Cypress Semiconductor Corporation
* SPDX-License-Identifier: Apache-2.0 * SPDX-License-Identifier: Apache-2.0
* *
* Licensed under the Apache License, Version 2.0 (the "License"); * Licensed under the Apache License, Version 2.0 (the "License");
@ -111,7 +111,7 @@ cy_en_syspm_status_t SDIO_DeepSleepCallback(cy_stc_syspm_callback_params_t *para
CY_UNUSED_PARAMETER(params); CY_UNUSED_PARAMETER(params);
cy_en_syspm_status_t status = CY_SYSPM_FAIL; cy_en_syspm_status_t status = CY_SYSPM_FAIL;
switch (mode) switch (mode)
{ {
case CY_SYSPM_CHECK_READY: case CY_SYSPM_CHECK_READY:
case CY_SYSPM_CHECK_FAIL: case CY_SYSPM_CHECK_FAIL:
@ -656,7 +656,7 @@ en_sdio_result_t SDIO_SendCommandAndWait(stc_sdio_cmd_t *pstcCmd)
cy_rslt_t result; cy_rslt_t result;
/* Initialize the semaphore. This is not done in init because init is called /* Initialize the semaphore. This is not done in init because init is called
* in interrupt thread. cy_rtos_init_semaphore call is prohibited in * in interrupt thread. cy_rtos_init_semaphore call is prohibited in
* interrupt thread. * interrupt thread.
*/ */
if(!sema_initialized) if(!sema_initialized)
@ -770,16 +770,16 @@ en_sdio_result_t SDIO_SendCommandAndWait(stc_sdio_cmd_t *pstcCmd)
#ifdef CY_RTOS_AWARE #ifdef CY_RTOS_AWARE
/* Wait for the transfer to finish. /* Wait for the transfer to finish.
* Acquire semaphore and wait until it will be released * Acquire semaphore and wait until it will be released
* in SDIO_IRQ: * in SDIO_IRQ:
* 1. sdio_transfer_finished_semaphore count is equal to * 1. sdio_transfer_finished_semaphore count is equal to
* zero. cy_rtos_get_semaphore waits until semaphore * zero. cy_rtos_get_semaphore waits until semaphore
* count is increased by cy_rtos_set_semaphore() in * count is increased by cy_rtos_set_semaphore() in
* SDIO_IRQ. * SDIO_IRQ.
* 2. The cy_rtos_set_semaphore() increases * 2. The cy_rtos_set_semaphore() increases
* sdio_transfer_finished_semaphore count. * sdio_transfer_finished_semaphore count.
* 3. The cy_rtos_get_semaphore() function decreases * 3. The cy_rtos_get_semaphore() function decreases
* sdio_transfer_finished_semaphore back to zero * sdio_transfer_finished_semaphore back to zero
* and exit. Or timeout occurs * and exit. Or timeout occurs
*/ */
result = cy_rtos_get_semaphore( &sdio_transfer_finished_semaphore, 10, false ); result = cy_rtos_get_semaphore( &sdio_transfer_finished_semaphore, 10, false );
@ -1080,7 +1080,12 @@ void SDIO_DisableSdClk(void)
void SDIO_SetSdClkFrequency(uint32_t u32SdClkFreqHz) void SDIO_SetSdClkFrequency(uint32_t u32SdClkFreqHz)
{ {
uint16_t u16Div; uint16_t u16Div;
u16Div = Cy_SysClk_ClkPeriGetFrequency() / u32SdClkFreqHz; /*
* The UDB SDIO implemenation has a extra divider internally that divides the input clock to the UDB
* by 2. The desired clock frequency is hence intentionally multiplied by 2 in order to get the required
* SDIO operating frequency.
*/
u16Div = Cy_SysClk_ClkPeriGetFrequency() / (2 * u32SdClkFreqHz);
Cy_SysClk_PeriphSetDivider(SDIO_HOST_Internal_Clock_DIV_TYPE, SDIO_HOST_Internal_Clock_DIV_NUM, (u16Div-1)); Cy_SysClk_PeriphSetDivider(SDIO_HOST_Internal_Clock_DIV_TYPE, SDIO_HOST_Internal_Clock_DIV_NUM, (u16Div-1));
} }
@ -1247,10 +1252,10 @@ void SDIO_IRQ(void)
{ {
pfnCardInt_count++; pfnCardInt_count++;
} }
/* Execute card interrupt callback if neccesary */ /* Execute card interrupt callback if neccesary */
if (0 != pfnCardInt_count) if (0 != pfnCardInt_count)
{ {
if (NULL != gstcInternalData.pstcCallBacks.pfnCardIntCb) if (NULL != gstcInternalData.pstcCallBacks.pfnCardIntCb)
{ {
gstcInternalData.pstcCallBacks.pfnCardIntCb(); gstcInternalData.pstcCallBacks.pfnCardIntCb();
@ -1277,7 +1282,7 @@ void SDIO_IRQ(void)
/* CRC was bad, set the flag */ /* CRC was bad, set the flag */
gstcInternalData.stcEvents.u8CRCError++; gstcInternalData.stcEvents.u8CRCError++;
} }
/* Set the done flag */ /* Set the done flag */
#ifdef CY_RTOS_AWARE #ifdef CY_RTOS_AWARE

2
targets/TARGET_Cypress/TARGET_PSOC6/TARGET_CYW9P62S1_43438EVB_01/SDIO_HOST/SDIO_HOST.h
View File

@ -7,7 +7,7 @@
* *
******************************************************************************** ********************************************************************************
* \copyright * \copyright
* Copyright 2016-2019 Cypress Semiconductor Corporation * Copyright 2016-2020 Cypress Semiconductor Corporation
* SPDX-License-Identifier: Apache-2.0 * SPDX-License-Identifier: Apache-2.0
* *
* Licensed under the Apache License, Version 2.0 (the "License"); * Licensed under the Apache License, Version 2.0 (the "License");

2
targets/TARGET_Cypress/TARGET_PSOC6/TARGET_CYW9P62S1_43438EVB_01/SDIO_HOST/SDIO_HOST_cfg.c
View File

@ -6,7 +6,7 @@
* *
******************************************************************************** ********************************************************************************
* \copyright * \copyright
* Copyright 2016-2019 Cypress Semiconductor Corporation * Copyright 2016-2020 Cypress Semiconductor Corporation
* SPDX-License-Identifier: Apache-2.0 * SPDX-License-Identifier: Apache-2.0
* *
* Licensed under the Apache License, Version 2.0 (the "License"); * Licensed under the Apache License, Version 2.0 (the "License");

2
targets/TARGET_Cypress/TARGET_PSOC6/TARGET_CYW9P62S1_43438EVB_01/SDIO_HOST/SDIO_HOST_cfg.h
View File

@ -6,7 +6,7 @@
* *
******************************************************************************** ********************************************************************************
* \copyright * \copyright
* Copyright 2016-2019 Cypress Semiconductor Corporation * Copyright 2016-2020 Cypress Semiconductor Corporation
* SPDX-License-Identifier: Apache-2.0 * SPDX-License-Identifier: Apache-2.0
* *
* Licensed under the Apache License, Version 2.0 (the "License"); * Licensed under the Apache License, Version 2.0 (the "License");