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arch/xmc4: Added pwm driver

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This commit is contained in:
adriendesp 2024-07-11 12:03:25 +02:00 committed by Alan Carvalho de Assis
parent 55d711d214
commit baf52268cc
8 changed files with 1578 additions and 27 deletions
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4
arch/arm/src/xmc4/CMakeLists.txt
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@ -51,4 +51,8 @@ if(CONFIG_XMC4_USCI_SPI)
list(APPEND SRCS xmc4_spi.c)
endif()
if(CONFIG_XMC4_PWM)
list(APPEND SRCS xmc4_pwm.c)
endif()
target_sources(arch PRIVATE ${SRCS})

147
arch/arm/src/xmc4/Kconfig
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@ -194,6 +194,12 @@ config XMC4_ECAT_P1
default n
depends on XMC4_ECAT
config XMC4_PWM
bool "Enable Capture Compare Units 4 (CCU4x) for PWM"
default n
---help---
Support CCU4x
endmenu
menu "XMC4xxx USIC Configuration"
@ -620,3 +626,144 @@ config XMC4_USIC2_CHAN1_RX_BUFFER_SIZE
endmenu # USIC2 Channel 1 Configuration
endmenu # XMC4xxx USIC Configuration
menu "XMC4xxx PWM Configuration"
depends on XMC4_PWM
config XMC4_CCU40
bool "Enable CCU40"
default n
---help---
Support CCU40
config XMC4_CCU40_CC40
bool "Enable CCU40 Slice 0 (not compatible with tickless)"
default n
depends on XMC4_CCU40 && !CONFIG_SCHED_TICKLESS
---help---
Support CCU40 CC40, cannot be activated when tickless OS is enabled
config XMC4_CCU40_CC41
bool "Enable CCU40 Slice 1"
default n
depends on XMC4_CCU40
---help---
Support CCU40 CC41
config XMC4_CCU40_CC42
bool "Enable CCU40 Slice 2"
default n
depends on XMC4_CCU40
---help---
Support CCU40 CC42
config XMC4_CCU40_CC43
bool "Enable CCU40 Slice 3"
default n
depends on XMC4_CCU40
---help---
Support CCU40 CC43
config XMC4_CCU41
bool "Enable CCU41"
default n
---help---
Support CCU41
config XMC4_CCU41_CC40
bool "Enable CCU41 Slice 0 (not compatible with tickless)"
default n
depends on XMC4_CCU41 && !CONFIG_SCHED_TICKLESS
---help---
Support CCU41 CC40, cannot be activated when tickless OS is enabled
config XMC4_CCU41_CC41
bool "Enable CCU41 Slice 1"
default n
depends on XMC4_CCU41
---help---
Support CCU41 CC41
config XMC4_CCU41_CC42
bool "Enable CCU41 Slice 2"
default n
depends on XMC4_CCU41
---help---
Support CCU41 CC42
config XMC4_CCU41_CC43
bool "Enable CCU41 Slice 3"
default n
depends on XMC4_CCU41
---help---
Support CCU41 CC43
config XMC4_CCU42
bool "Enable CCU42"
default n
---help---
Support CCU42
config XMC4_CCU42_CC40
bool "Enable CCU42 Slice 0"
default n
depends on XMC4_CCU42
---help---
Support CCU42 CC40
config XMC4_CCU42_CC41
bool "Enable CCU42 Slice 1"
default n
depends on XMC4_CCU42
---help---
Support CCU42 CC41
config XMC4_CCU42_CC42
bool "Enable CCU42 Slice 2"
default n
depends on XMC4_CCU42
---help---
Support CCU42 CC42
config XMC4_CCU42_CC43
bool "Enable CCU42 Slice 3"
default n
depends on XMC4_CCU42
---help---
Support CCU42 CC43
config XMC4_CCU43
bool "Enable CCU43"
default n
---help---
Support CCU43
config XMC4_CCU43_CC40
bool "Enable CCU43 Slice 0"
default n
depends on XMC4_CCU43
---help---
Support CCU43 CC40
config XMC4_CCU43_CC41
bool "Enable CCU43 Slice 1"
default n
depends on XMC4_CCU43
---help---
Support CCU43 CC41
config XMC4_CCU43_CC42
bool "Enable CCU43 Slice 2"
default n
depends on XMC4_CCU43
---help---
Support CCU43 CC42
config XMC4_CCU43_CC43
bool "Enable CCU43 Slice 3"
default n
depends on XMC4_CCU43
---help---
Support CCU43 CC43
endmenu # XMC4xxx PWM Configuration

4
arch/arm/src/xmc4/Make.defs
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@ -55,3 +55,7 @@ endif
ifeq ($(CONFIG_XMC4_ECAT),y)
CHIP_CSRCS += xmc4_ecat.c
endif
ifeq ($(CONFIG_XMC4_PWM),y)
CHIP_CSRCS += xmc4_pwm.c
endif

4
arch/arm/src/xmc4/hardware/xmc4_ccu4.h
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@ -783,9 +783,9 @@
#define CCU4_GSTAT_S2I_SHIFT (2) /* Bits 2: CC42 IDLE status */
#define CCU4_GSTAT_S2I_MASK (1 << CCU4_GSTAT_S2I_SHIFT)
#define CCU4_GSTAT_S3I_SHIFT (3) /* Bits 3: CC43 IDLE status */
#define CCU4_GSTAT_S3I_MASK (1 << CCU4_GSTAT_SI_SHIFT)
#define CCU4_GSTAT_S3I_MASK (1 << CCU4_GSTAT_S3I_SHIFT)
#define CCU4_GSTAT_PRB_SHIFT (8) /* Bits 8: Prescaler Run Bit */
#define CCU4_GSTAT_PRB_MASK (1 << CCU4_GSTAT_SI_SHIFT)
#define CCU4_GSTAT_PRB_MASK (1 << CCU4_GSTAT_PRB_SHIFT)
/* Global Idle Set (GIDLS) */

11
arch/arm/src/xmc4/xmc4_clockconfig.h
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@ -72,4 +72,15 @@ uint32_t xmc4_get_coreclock(void);
uint32_t xmc4_get_periphclock(void);
/****************************************************************************
* Name: xmc4_get_ccuclock
*
* Description:
* The ccu clock is either fCPU or fCPU/2, depending on the state
* of the peripheral divider.
*
****************************************************************************/
uint32_t xmc4_get_ccuclock(void);
#endif /* __ARCH_ARM_SRC_XMC4_XMC4_CLOCKCONFIG_H */

17
arch/arm/src/xmc4/xmc4_clockutils.c
View File

@ -186,3 +186,20 @@ uint32_t xmc4_get_periphclock(void)
return periphclock;
}
/****************************************************************************
* Name: xmc4_get_ccuclock
*
* Description:
* The ccu clock is either fCPU or fCPU/2, depending on the state
* of the peripheral divider.
*
****************************************************************************/
uint32_t xmc4_get_ccuclock(void)
{
uint32_t f_cpu = xmc4_get_coreclock();
uint32_t f_ccu =
f_cpu >> ((uint32_t)(getreg32(XMC4_SCU_CCUCLKCR) & SCU_CCUCLKCR_CCUDIV));
return f_ccu;
}

1365
arch/arm/src/xmc4/xmc4_pwm.c Normal file
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File diff suppressed because it is too large Load Diff

7
arch/arm/src/xmc4/xmc4_pwm.h
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@ -29,6 +29,10 @@
#include "chip.h"
#include <nuttx/timers/pwm.h>
#include <arch/board/board.h>
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
@ -73,7 +77,7 @@ extern "C"
*
****************************************************************************/
struct pwm_lowerhalf_s *xmc4_pwm_initialize(int timer);
struct pwm_lowerhalf_s *xmc4_pwminitialize(int module, int slice);
#undef EXTERN
#if defined(__cplusplus)
@ -81,5 +85,4 @@ struct pwm_lowerhalf_s *xmc4_pwm_initialize(int timer);
#endif
#endif /* __ASSEMBLY__ */
#endif /* CONFIG_XMC4_FTMx_PWM */
#endif /* __ARCH_ARM_SRC_XMC4_XMC4_PWM_H */