mirror of
https://github.com/apache/nuttx.git
synced 2026-06-06 08:36:24 +08:00
Tiva Timer: Add basic framework to configure timers. Incomplete on initial commit
This commit is contained in:
Gregory Nutt
@@ -17,6 +17,7 @@ config ARCH_CHIP_LM3S6918
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select ARCH_CHIP_LM3S
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select TIVA_HAVE_I2C1
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select TIVA_HAVE_SSI1
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select TIVA_HAVE_TIMER3
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select TIVA_HAVE_ETHERNET
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config ARCH_CHIP_LM3S9B96
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@@ -27,6 +28,7 @@ config ARCH_CHIP_LM3S9B96
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select TIVA_HAVE_UART3
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select TIVA_HAVE_I2C1
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select TIVA_HAVE_SSI1
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select TIVA_HAVE_TIMER3
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select TIVA_HAVE_ETHERNET
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select TIVA_HAVE_GPIOH_IRQS
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@@ -44,6 +46,7 @@ config ARCH_CHIP_LM3S6965
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select ARCH_CHIP_LM3S
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select TIVA_HAVE_UART3
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select TIVA_HAVE_I2C1
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select TIVA_HAVE_TIMER3
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select TIVA_HAVE_ETHERNET
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select TIVA_HAVE_GPIOH_IRQS
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@@ -54,6 +57,9 @@ config ARCH_CHIP_LM3S8962
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select ARCH_CHIP_LM3S
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select TIVA_HAVE_UART3
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select TIVA_HAVE_I2C1
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select TIVA_HAVE_TIMER3
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select TIVA_HAVE_TIMER4
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select TIVA_HAVE_TIMER5
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select TIVA_HAVE_ETHERNET
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select TIVA_HAVE_GPIOH_IRQS
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@@ -136,6 +142,9 @@ config ARCH_CHIP_LM4F
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select TIVA_HAVE_SSI1
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select TIVA_HAVE_SSI2
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select TIVA_HAVE_SSI3
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select TIVA_HAVE_TIMER3
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select TIVA_HAVE_TIMER4
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select TIVA_HAVE_TIMER5
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config ARCH_CHIP_TM4C123
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bool
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@@ -149,6 +158,8 @@ config ARCH_CHIP_TM4C129
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select TIVA_HAVE_I2C7
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select TIVA_HAVE_I2C8
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select TIVA_HAVE_I2C9
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select TIVA_HAVE_TIMER6
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select TIVA_HAVE_TIMER7
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config ARCH_CHIP_TM4C
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bool
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@@ -167,6 +178,9 @@ config ARCH_CHIP_TM4C
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select TIVA_HAVE_SSI1
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select TIVA_HAVE_SSI2
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select TIVA_HAVE_SSI3
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select TIVA_HAVE_TIMER3
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select TIVA_HAVE_TIMER4
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select TIVA_HAVE_TIMER5
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config LM_REVA2
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bool "Rev A2"
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@@ -266,6 +280,30 @@ config TIVA_SSI
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bool
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default n
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config TIVA_TIMER
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bool
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default n
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config TIVA_HAVE_TIMER3
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bool
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default n
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config TIVA_HAVE_TIMER4
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bool
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default n
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config TIVA_HAVE_TIMER5
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bool
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default n
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config TIVA_HAVE_TIMER6
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bool
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default n
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config TIVA_HAVE_TIMER7
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bool
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default n
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config TIVA_I2C0
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bool "I2C0"
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default n
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@@ -371,28 +409,73 @@ config TIVA_UART7
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config TIVA_SSI0
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bool "SSI0"
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default y
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default n
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depends on TIVA_HAVE_SSI0
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select TIVA_SSI
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config TIVA_SSI1
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bool "SSI1"
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default y
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default n
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depends on TIVA_HAVE_SSI1
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select TIVA_SSI
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config TIVA_SSI2
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bool "SSI2"
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default y
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default n
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depends on TIVA_HAVE_SSI2
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select TIVA_SSI
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config TIVA_SSI3
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bool "SSI3"
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default y
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default n
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depends on TIVA_HAVE_SSI3
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select TIVA_SSI
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config TIVA_TIMER0
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bool "16-/32-bit Timer 0"
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default n
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select TIVA_TIMER
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config TIVA_TIMER1
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bool "16-/32-bit Timer 1"
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default n
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select TIVA_TIMER
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config TIVA_TIMER2
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bool "16-/32-bit Timer 2"
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default n
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select TIVA_TIMER
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config TIVA_TIMER3
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bool "16-/32-bit Timer 3"
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default n
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depends on TIVA_HAVE_TIMER3
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select TIVA_TIMER
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config TIVA_TIMER4
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bool "16-/32-bit Timer 4"
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default n
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depends on TIVA_HAVE_TIMER4
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select TIVA_TIMER
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config TIVA_TIMER5
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bool "16-/32-bit Timer 5"
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default n
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depends on TIVA_HAVE_TIMER5
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select TIVA_TIMER
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config TIVA_TIMER6
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bool "16-/32-bit Timer 6"
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default n
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depends on TIVA_HAVE_TIMER6
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select TIVA_TIMER
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config TIVA_TIMER7
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bool "16-/32-bit Timer 7"
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default n
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depends on TIVA_HAVE_TIMER7
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select TIVA_TIMER
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config TIVA_ETHERNET
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bool "Ethernet"
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default n
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@@ -96,6 +96,10 @@ ifeq ($(CONFIG_TIVA_I2C),y)
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CHIP_CSRCS += tiva_i2c.c
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endif
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ifeq ($(CONFIG_TIVA_TIMER),y)
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CHIP_CSRCS += tiva_timer.c
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endif
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ifeq ($(CONFIG_NET),y)
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ifeq ($(CONFIG_ARCH_CHIP_LM3S),y)
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CHIP_CSRCS += lm3s_ethernet.c
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@@ -73,26 +73,26 @@
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/* 16/32-Bit Timer Run Mode Clock Gating Control */
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#ifdef TIVA_SYSCON_RCGCTIMER
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# define tiva_tm_enableclk(p) tiva_enableclk(TIVA_SYSCON_RCGCTIMER,SYSCON_RCGCTIMER(p))
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# define tiva_tm_disableclk(p) tiva_disableclk(TIVA_SYSCON_RCGCTIMER,SYSCON_RCGCTIMER(p))
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# define tiva_gptm_enableclk(p) tiva_enableclk(TIVA_SYSCON_RCGCTIMER,SYSCON_RCGCTIMER(p))
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# define tiva_gptm_disableclk(p) tiva_disableclk(TIVA_SYSCON_RCGCTIMER,SYSCON_RCGCTIMER(p))
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# define tiva_tm0_enableclk() tiva_tm_enableclk(0)
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# define tiva_tm1_enableclk() tiva_tm_enableclk(1)
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# define tiva_tm2_enableclk() tiva_tm_enableclk(2)
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# define tiva_tm3_enableclk() tiva_tm_enableclk(3)
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# define tiva_tm4_enableclk() tiva_tm_enableclk(4)
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# define tiva_tm5_enableclk() tiva_tm_enableclk(5)
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# define tiva_tm6_enableclk() tiva_tm_enableclk(6)
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# define tiva_tm7_enableclk() tiva_tm_enableclk(7)
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# define tiva_gptm0_enableclk() tiva_gptm_enableclk(0)
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# define tiva_gptm1_enableclk() tiva_gptm_enableclk(1)
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# define tiva_gptm2_enableclk() tiva_gptm_enableclk(2)
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# define tiva_gptm3_enableclk() tiva_gptm_enableclk(3)
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# define tiva_gptm4_enableclk() tiva_gptm_enableclk(4)
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# define tiva_gptm5_enableclk() tiva_gptm_enableclk(5)
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# define tiva_gptm6_enableclk() tiva_gptm_enableclk(6)
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# define tiva_gptm7_enableclk() tiva_gptm_enableclk(7)
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# define tiva_tm0_disableclk() tiva_tm_disableclk(0)
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# define tiva_tm1_disableclk() tiva_tm_disableclk(1)
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# define tiva_tm2_disableclk() tiva_tm_disableclk(2)
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# define tiva_tm3_disableclk() tiva_tm_disableclk(3)
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# define tiva_tm4_disableclk() tiva_tm_disableclk(4)
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# define tiva_tm5_disableclk() tiva_tm_disableclk(5)
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# define tiva_tm6_disableclk() tiva_tm_disableclk(6)
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# define tiva_tm7_disableclk() tiva_tm_disableclk(7)
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# define tiva_gptm0_disableclk() tiva_gptm_disableclk(0)
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# define tiva_gptm1_disableclk() tiva_gptm_disableclk(1)
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# define tiva_gptm2_disableclk() tiva_gptm_disableclk(2)
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# define tiva_gptm3_disableclk() tiva_gptm_disableclk(3)
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# define tiva_gptm4_disableclk() tiva_gptm_disableclk(4)
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# define tiva_gptm5_disableclk() tiva_gptm_disableclk(5)
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# define tiva_gptm6_disableclk() tiva_gptm_disableclk(6)
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# define tiva_gptm7_disableclk() tiva_gptm_disableclk(7)
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#else
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#endif
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@@ -75,30 +75,30 @@
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/* 16/32-Bit Timer Power Control */
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#ifdef TIVA_SYSCON_PCTIMER
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# define tiva_tm_enablepwr(p) tiva_enablepwr(TIVA_SYSCON_PCTIMER,SYSCON_PCTIMER(p))
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# define tiva_tm_disablepwr(p) tiva_disablepwr(TIVA_SYSCON_PCTIMER,SYSCON_PCTIMER(p))
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# define tiva_gptm_enablepwr(p) tiva_enablepwr(TIVA_SYSCON_PCTIMER,SYSCON_PCTIMER(p))
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# define tiva_gptm_disablepwr(p) tiva_disablepwr(TIVA_SYSCON_PCTIMER,SYSCON_PCTIMER(p))
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#else
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# define tiva_tm_enablepwr(p)
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# define tiva_tm_disablepwr(p)
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# define tiva_gptm_enablepwr(p)
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# define tiva_gptm_disablepwr(p)
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#endif
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#define tiva_tm0_enablepwr() tiva_tm_enablepwr(0)
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#define tiva_tm1_enablepwr() tiva_tm_enablepwr(1)
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#define tiva_tm2_enablepwr() tiva_tm_enablepwr(2)
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#define tiva_tm3_enablepwr() tiva_tm_enablepwr(3)
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#define tiva_tm4_enablepwr() tiva_tm_enablepwr(4)
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#define tiva_tm5_enablepwr() tiva_tm_enablepwr(5)
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#define tiva_tm6_enablepwr() tiva_tm_enablepwr(6)
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#define tiva_tm7_enablepwr() tiva_tm_enablepwr(7)
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#define tiva_gptm0_enablepwr() tiva_gptm_enablepwr(0)
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#define tiva_gptm1_enablepwr() tiva_gptm_enablepwr(1)
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#define tiva_gptm2_enablepwr() tiva_gptm_enablepwr(2)
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#define tiva_gptm3_enablepwr() tiva_gptm_enablepwr(3)
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#define tiva_gptm4_enablepwr() tiva_gptm_enablepwr(4)
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#define tiva_gptm5_enablepwr() tiva_gptm_enablepwr(5)
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#define tiva_gptm6_enablepwr() tiva_gptm_enablepwr(6)
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#define tiva_gptm7_enablepwr() tiva_gptm_enablepwr(7)
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#define tiva_tm0_disablepwr() tiva_tm_disablepwr(0)
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#define tiva_tm1_disablepwr() tiva_tm_disablepwr(1)
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#define tiva_tm2_disablepwr() tiva_tm_disablepwr(2)
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#define tiva_tm3_disablepwr() tiva_tm_disablepwr(3)
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#define tiva_tm4_disablepwr() tiva_tm_disablepwr(4)
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#define tiva_tm5_disablepwr() tiva_tm_disablepwr(5)
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#define tiva_tm6_disablepwr() tiva_tm_disablepwr(6)
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#define tiva_tm7_disablepwr() tiva_tm_disablepwr(7)
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#define tiva_gptm0_disablepwr() tiva_gptm_disablepwr(0)
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#define tiva_gptm1_disablepwr() tiva_gptm_disablepwr(1)
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#define tiva_gptm2_disablepwr() tiva_gptm_disablepwr(2)
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#define tiva_gptm3_disablepwr() tiva_gptm_disablepwr(3)
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#define tiva_gptm4_disablepwr() tiva_gptm_disablepwr(4)
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#define tiva_gptm5_disablepwr() tiva_gptm_disablepwr(5)
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#define tiva_gptm6_disablepwr() tiva_gptm_disablepwr(6)
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#define tiva_gptm7_disablepwr() tiva_gptm_disablepwr(7)
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/* GPIO Power Control */
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@@ -69,19 +69,19 @@
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/* 16/32-Bit Timer Power Control */
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#ifdef TIVA_SYSCON_PRTIMER
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# define tiva_tm_periphrdy(p) tiva_periphrdy(TIVA_SYSCON_PRTIMER,SYSCON_PRTIMER(p))
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# define tiva_gptm_periphrdy(p) tiva_periphrdy(TIVA_SYSCON_PRTIMER,SYSCON_PRTIMER(p))
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#else
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# define tiva_tm_periphrdy(p) (true)
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# define tiva_gptm_periphrdy(p) (true)
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#endif
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#define tiva_tm0_periphrdy() tiva_tm_periphrdy(0)
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#define tiva_tm1_periphrdy() tiva_tm_periphrdy(1)
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#define tiva_tm2_periphrdy() tiva_tm_periphrdy(2)
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#define tiva_tm3_periphrdy() tiva_tm_periphrdy(3)
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#define tiva_tm4_periphrdy() tiva_tm_periphrdy(4)
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#define tiva_tm5_periphrdy() tiva_tm_periphrdy(5)
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#define tiva_tm6_periphrdy() tiva_tm_periphrdy(6)
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#define tiva_tm7_periphrdy() tiva_tm_periphrdy(7)
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#define tiva_gptm0_periphrdy() tiva_gptm_periphrdy(0)
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#define tiva_gptm1_periphrdy() tiva_gptm_periphrdy(1)
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#define tiva_gptm2_periphrdy() tiva_gptm_periphrdy(2)
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#define tiva_gptm3_periphrdy() tiva_gptm_periphrdy(3)
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#define tiva_gptm4_periphrdy() tiva_gptm_periphrdy(4)
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#define tiva_gptm5_periphrdy() tiva_gptm_periphrdy(5)
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#define tiva_gptm6_periphrdy() tiva_gptm_periphrdy(6)
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#define tiva_gptm7_periphrdy() tiva_gptm_periphrdy(7)
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/* GPIO Power Control */
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File diff suppressed because it is too large
Load Diff
@@ -0,0 +1,207 @@
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/****************************************************************************
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* arch/arm/src/tiva/tiva_timer.h
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*
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* Copyright (C) 201r Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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*
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* Redistribution and use in source and binary forms, with or without
|
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* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
*
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in
|
||||
* the documentation and/or other materials provided with the
|
||||
* distribution.
|
||||
* 3. Neither the name NuttX nor the names of its contributors may be
|
||||
* used to endorse or promote products derived from this software
|
||||
* without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||||
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||||
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
|
||||
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
||||
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
|
||||
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
||||
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
|
||||
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
|
||||
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
|
||||
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
||||
* POSSIBILITY OF SUCH DAMAGE.
|
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*
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****************************************************************************/
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#ifndef __ARCH_ARM_SRC_TIVA_TIVA_TIMER_H
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#define __ARCH_ARM_SRC_TIVA_TIVA_TIMER_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <stdint.h>
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#include <stdbool.h>
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#include <arch/tiva/chip.h>
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/* Make sure that no timers are enabled that are not supported by the
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* architecture.
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*/
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#if TIVA_NTIMERS < 8
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# undef CONFIG_TIVA_TIMER7
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# if TIVA_NTIMERS < 7
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# undef CONFIG_TIVA_TIMER6
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# if TIVA_NTIMERS < 6
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# undef CONFIG_TIVA_TIMER5
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# if TIVA_NTIMERS < 5
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# undef CONFIG_TIVA_TIMER4
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# if TIVA_NTIMERS < 4
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# undef CONFIG_TIVA_TIMER3
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# if TIVA_NTIMERS < 3
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# undef CONFIG_TIVA_TIMER2
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# if TIVA_NTIMERS < 2
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# undef CONFIG_TIVA_TIMER1
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# if TIVA_NTIMERS < 1
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# undef CONFIG_TIVA_TIMER0
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# endif
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||||
# endif
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||||
# endif
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||||
# endif
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||||
# endif
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||||
# endif
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||||
# endif
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||||
#endif
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||||
|
||||
/* Used with the synca and syncb fields of struct tiva_timerconfig_s */
|
||||
|
||||
#define TIMER_SYNC(n) (1 << (n))
|
||||
|
||||
/* Identifies timer A and timer B */
|
||||
|
||||
#define TIMER_A 0
|
||||
#define TIMER_B 1
|
||||
|
||||
/****************************************************************************
|
||||
* Public Types
|
||||
****************************************************************************/
|
||||
/* This enumeration identifies all supported 32-bit timer modes of operation */
|
||||
|
||||
enum tiva_timer32mode_e
|
||||
{
|
||||
TIMER16_MODE = 0, /* Use 16-bit timers, not 32-bit timer */
|
||||
TIMER32_MODE_ONESHOT, /* 32-bit programmable one-shot timer */
|
||||
TIMER32_MODE_PERIODIC, /* 32-bit programmable periodic timer */
|
||||
TIMER32_MODE_RTC /* 32-bit RTC with external 32.768-KHz input */
|
||||
};
|
||||
|
||||
/* This enumeration identifies all supported 16-bit timer A/Bmodes of
|
||||
* operation.
|
||||
*/
|
||||
|
||||
enum tiva_timer16mode_e
|
||||
{
|
||||
TIMER16_MODE_NONE = 0, /* 16-bit timer not used */
|
||||
TIMER16_MODE_ONESHOT, /* 16-bit programmable one-shot timer */
|
||||
TIMER16_MODE_PERIODIC, /* 16-bit programmable periodic timer */
|
||||
TIMER16_MODE_COUNT_CAPTURE, /* 16-bit input edge-count capture mode w/8-bit prescaler */
|
||||
TIMER16_MODE_TIME_CAPTURE, /* 16-bit input time capture mode w/8-bit prescaler */
|
||||
TIMER16_MODE_PWM /* 16-bit PWM output mode w/8-bit prescaler */
|
||||
};
|
||||
|
||||
/* This enumeration describes the timer clock source */
|
||||
|
||||
enum tiva_timersource_e
|
||||
{
|
||||
TIMER_SOURCE_SYSCLK = 0, /* Timer clock source is SysClk */
|
||||
TIMER_SOURCE_PIOSC, /* Timer clock source is PIOSC */
|
||||
TIMER_SOURCE_RTCOSC, /* Source is Hibernation Module Real-time clock */
|
||||
TIMER_SOURCE_LFIOSC /* Timer clock source is LFI oscillator */
|
||||
};
|
||||
|
||||
/* This structure describes the configuration of one 32-bit timer */
|
||||
|
||||
struct tiva_timer32config_s
|
||||
{
|
||||
bool down; /* False: Count up; True: Count down */
|
||||
/* TODO: Add fields to support ADC trigger events */
|
||||
};
|
||||
|
||||
/* This structure describes the configuration of one 16-bit timer A/B */
|
||||
|
||||
struct tiva_timer16config_s
|
||||
{
|
||||
uint8_t mode; /* See enum tiva_timermode_e */
|
||||
bool down; /* False: Count up; True: Count down */
|
||||
/* TODO: Add fields to support ADC trigger events */
|
||||
};
|
||||
|
||||
/* This structure describes usage of both timers on a GPTIM module */
|
||||
|
||||
struct tiva_gptmconfig_s
|
||||
{
|
||||
uint8_t gptm; /* GPTM number */
|
||||
uint8_t source; /* See enum tiva_timersource_e */
|
||||
uint8_t mode; /* See enum tiva_timer32mode_e */
|
||||
};
|
||||
|
||||
/* This structure is cast compatible with struct tiva_gptmconfig_s and
|
||||
* describes usage of the single 32-bit timers on a GPTM module.
|
||||
*/
|
||||
|
||||
struct tiva_gptm32config_s
|
||||
{
|
||||
struct tiva_gptmconfig_s cmn;
|
||||
struct tiva_timer32config_s config;
|
||||
};
|
||||
|
||||
/* This structure is cast compatible with struct tiva_gptmconfig_s and
|
||||
* describes usage of both bit-bit timers A/B on a GPTM module.
|
||||
*/
|
||||
|
||||
struct tiva_gptm16config_s
|
||||
{
|
||||
struct tiva_gptmconfig_s cmn;
|
||||
struct tiva_timer16config_s config[2];
|
||||
};
|
||||
|
||||
/* This type represents the opaque handler returned by tiva_gptm_configure() */
|
||||
|
||||
typedef FAR void *TIMER_HANDLE;
|
||||
|
||||
/****************************************************************************
|
||||
* Public Data
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Public Functions
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Name: tiva_gptm_configure
|
||||
*
|
||||
* Description:
|
||||
* Configure a general purpose timer module to operate in the provided
|
||||
* modes.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
TIMER_HANDLE tiva_gptm_configure(const struct tiva_gptmconfig_s *gptm);
|
||||
|
||||
/****************************************************************************
|
||||
* Name: tiva_gptm0_synchronize
|
||||
*
|
||||
* Description:
|
||||
* Trigger timers from GPTM0 output.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
int tiva_gptm0_synchronize(uint32_t sync);
|
||||
|
||||
#endif /* __ARCH_ARM_SRC_TIVA_TIVA_TIMER_H */
|
||||
Reference in New Issue
Block a user