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LPCOpen Platform for LPC18XX/43XX microcontrollers
18XX43XX
LPCOpen Platform for the NXP LPC18XX/43XX family of Microcontrollers
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Data Structures | |
| struct | LPC_TIMER_T |
| 32-bit Standard timer register block structure More... | |
Macros | |
| #define | TIMER_IR_CLR(n) _BIT(n) |
| #define | TIMER_MATCH_INT(n) (_BIT((n) & 0x0F)) |
| #define | TIMER_CAP_INT(n) (_BIT((((n) & 0x0F) + 4))) |
| #define | TIMER_ENABLE ((uint32_t) (1 << 0)) |
| #define | TIMER_RESET ((uint32_t) (1 << 1)) |
| #define | TIMER_INT_ON_MATCH(n) (_BIT(((n) * 3))) |
| #define | TIMER_RESET_ON_MATCH(n) (_BIT((((n) * 3) + 1))) |
| #define | TIMER_STOP_ON_MATCH(n) (_BIT((((n) * 3) + 2))) |
| #define | TIMER_CAP_RISING(n) (_BIT(((n) * 3))) |
| #define | TIMER_CAP_FALLING(n) (_BIT((((n) * 3) + 1))) |
| #define | TIMER_INT_ON_CAP(n) (_BIT((((n) * 3) + 2))) |
Enumerations | |
| enum | TIMER_PIN_MATCH_STATE_T { TIMER_EXTMATCH_DO_NOTHING = 0, TIMER_EXTMATCH_CLEAR = 1, TIMER_EXTMATCH_SET = 2, TIMER_EXTMATCH_TOGGLE = 3 } |
| Standard timer initial match pin state and change state. More... | |
| enum | TIMER_CAP_SRC_STATE_T { TIMER_CAPSRC_RISING_PCLK = 0, TIMER_CAPSRC_RISING_CAPN = 1, TIMER_CAPSRC_FALLING_CAPN = 2, TIMER_CAPSRC_BOTH_CAPN = 3 } |
| Standard timer clock and edge for count source. More... | |
Functions | |
| void | Chip_TIMER_Init (LPC_TIMER_T *pTMR) |
| Initialize a timer. More... | |
| void | Chip_TIMER_DeInit (LPC_TIMER_T *pTMR) |
| Shutdown a timer. More... | |
| STATIC INLINE bool | Chip_TIMER_MatchPending (LPC_TIMER_T *pTMR, int8_t matchnum) |
| Determine if a match interrupt is pending. More... | |
| STATIC INLINE bool | Chip_TIMER_CapturePending (LPC_TIMER_T *pTMR, int8_t capnum) |
| Determine if a capture interrupt is pending. More... | |
| STATIC INLINE void | Chip_TIMER_ClearMatch (LPC_TIMER_T *pTMR, int8_t matchnum) |
| Clears a (pending) match interrupt. More... | |
| STATIC INLINE void | Chip_TIMER_ClearCapture (LPC_TIMER_T *pTMR, int8_t capnum) |
| Clears a (pending) capture interrupt. More... | |
| STATIC INLINE void | Chip_TIMER_Enable (LPC_TIMER_T *pTMR) |
| Enables the timer (starts count) More... | |
| STATIC INLINE void | Chip_TIMER_Disable (LPC_TIMER_T *pTMR) |
| Disables the timer (stops count) More... | |
| STATIC INLINE uint32_t | Chip_TIMER_ReadCount (LPC_TIMER_T *pTMR) |
| Returns the current timer count. More... | |
| STATIC INLINE uint32_t | Chip_TIMER_ReadPrescale (LPC_TIMER_T *pTMR) |
| Returns the current prescale count. More... | |
| STATIC INLINE void | Chip_TIMER_PrescaleSet (LPC_TIMER_T *pTMR, uint32_t prescale) |
| Sets the prescaler value. More... | |
| STATIC INLINE void | Chip_TIMER_SetMatch (LPC_TIMER_T *pTMR, int8_t matchnum, uint32_t matchval) |
| Sets a timer match value. More... | |
| STATIC INLINE uint32_t | Chip_TIMER_ReadCapture (LPC_TIMER_T *pTMR, int8_t capnum) |
| Reads a capture register. More... | |
| void | Chip_TIMER_Reset (LPC_TIMER_T *pTMR) |
| Resets the timer terminal and prescale counts to 0. More... | |
| STATIC INLINE void | Chip_TIMER_MatchEnableInt (LPC_TIMER_T *pTMR, int8_t matchnum) |
| Enables a match interrupt that fires when the terminal count matches the match counter value. More... | |
| STATIC INLINE void | Chip_TIMER_MatchDisableInt (LPC_TIMER_T *pTMR, int8_t matchnum) |
| Disables a match interrupt for a match counter. More... | |
| STATIC INLINE void | Chip_TIMER_ResetOnMatchEnable (LPC_TIMER_T *pTMR, int8_t matchnum) |
| For the specific match counter, enables reset of the terminal count register when a match occurs. More... | |
| STATIC INLINE void | Chip_TIMER_ResetOnMatchDisable (LPC_TIMER_T *pTMR, int8_t matchnum) |
| For the specific match counter, disables reset of the terminal count register when a match occurs. More... | |
| STATIC INLINE void | Chip_TIMER_StopOnMatchEnable (LPC_TIMER_T *pTMR, int8_t matchnum) |
| Enable a match timer to stop the terminal count when a match count equals the terminal count. More... | |
| STATIC INLINE void | Chip_TIMER_StopOnMatchDisable (LPC_TIMER_T *pTMR, int8_t matchnum) |
| Disable stop on match for a match timer. Disables a match timer to stop the terminal count when a match count equals the terminal count. More... | |
| STATIC INLINE void | Chip_TIMER_CaptureRisingEdgeEnable (LPC_TIMER_T *pTMR, int8_t capnum) |
| Enables capture on on rising edge of selected CAP signal for the selected capture register, enables the selected CAPn.capnum signal to load the capture register with the terminal coount on a rising edge. More... | |
| STATIC INLINE void | Chip_TIMER_CaptureRisingEdgeDisable (LPC_TIMER_T *pTMR, int8_t capnum) |
| Disables capture on on rising edge of selected CAP signal. For the selected capture register, disables the selected CAPn.capnum signal to load the capture register with the terminal coount on a rising edge. More... | |
| STATIC INLINE void | Chip_TIMER_CaptureFallingEdgeEnable (LPC_TIMER_T *pTMR, int8_t capnum) |
| Enables capture on on falling edge of selected CAP signal. For the selected capture register, enables the selected CAPn.capnum signal to load the capture register with the terminal coount on a falling edge. More... | |
| STATIC INLINE void | Chip_TIMER_CaptureFallingEdgeDisable (LPC_TIMER_T *pTMR, int8_t capnum) |
| Disables capture on on falling edge of selected CAP signal. For the selected capture register, disables the selected CAPn.capnum signal to load the capture register with the terminal coount on a falling edge. More... | |
| STATIC INLINE void | Chip_TIMER_CaptureEnableInt (LPC_TIMER_T *pTMR, int8_t capnum) |
| Enables interrupt on capture of selected CAP signal. For the selected capture register, an interrupt will be generated when the enabled rising or falling edge on CAPn.capnum is detected. More... | |
| STATIC INLINE void | Chip_TIMER_CaptureDisableInt (LPC_TIMER_T *pTMR, int8_t capnum) |
| Disables interrupt on capture of selected CAP signal. More... | |
| void | Chip_TIMER_ExtMatchControlSet (LPC_TIMER_T *pTMR, int8_t initial_state, TIMER_PIN_MATCH_STATE_T matchState, int8_t matchnum) |
| Sets external match control (MATn.matchnum) pin control. For the pin selected with matchnum, sets the function of the pin that occurs on a terminal count match for the match count. More... | |
| STATIC INLINE void | Chip_TIMER_TIMER_SetCountClockSrc (LPC_TIMER_T *pTMR, TIMER_CAP_SRC_STATE_T capSrc, int8_t capnum) |
| Sets timer count source and edge with the selected passed from CapSrc. If CapSrc selected a CAPn pin, select the specific CAPn pin with the capnum value. More... | |
| #define TIMER_CAP_FALLING | ( | n | ) | (_BIT((((n) * 3) + 1))) |
Bit location for CAP.n on CRx falling edge, n = 0 to 3
Definition at line 85 of file timer_18xx_43xx.h.
| #define TIMER_CAP_INT | ( | n | ) | (_BIT((((n) & 0x0F) + 4))) |
Macro for getting a capture event interrupt bit
Definition at line 68 of file timer_18xx_43xx.h.
| #define TIMER_CAP_RISING | ( | n | ) | (_BIT(((n) * 3))) |
Bit location for CAP.n on CRx rising edge, n = 0 to 3
Definition at line 83 of file timer_18xx_43xx.h.
| #define TIMER_ENABLE ((uint32_t) (1 << 0)) |
Timer/counter enable bit
Definition at line 71 of file timer_18xx_43xx.h.
| #define TIMER_INT_ON_CAP | ( | n | ) | (_BIT((((n) * 3) + 2))) |
Bit location for CAP.n on CRx interrupt enable, n = 0 to 3
Definition at line 87 of file timer_18xx_43xx.h.
| #define TIMER_INT_ON_MATCH | ( | n | ) | (_BIT(((n) * 3))) |
Bit location for interrupt on MRx match, n = 0 to 3
Definition at line 76 of file timer_18xx_43xx.h.
| #define TIMER_IR_CLR | ( | n | ) | _BIT(n) |
Macro to clear interrupt pending
Definition at line 63 of file timer_18xx_43xx.h.
| #define TIMER_MATCH_INT | ( | n | ) | (_BIT((n) & 0x0F)) |
Macro for getting a timer match interrupt bit
Definition at line 66 of file timer_18xx_43xx.h.
| #define TIMER_RESET ((uint32_t) (1 << 1)) |
Timer/counter reset bit
Definition at line 73 of file timer_18xx_43xx.h.
| #define TIMER_RESET_ON_MATCH | ( | n | ) | (_BIT((((n) * 3) + 1))) |
Bit location for reset on MRx match, n = 0 to 3
Definition at line 78 of file timer_18xx_43xx.h.
| #define TIMER_STOP_ON_MATCH | ( | n | ) | (_BIT((((n) * 3) + 2))) |
Bit location for stop on MRx match, n = 0 to 3
Definition at line 80 of file timer_18xx_43xx.h.
Standard timer clock and edge for count source.
Definition at line 414 of file timer_18xx_43xx.h.
Standard timer initial match pin state and change state.
Definition at line 389 of file timer_18xx_43xx.h.
| STATIC INLINE void Chip_TIMER_CaptureDisableInt | ( | LPC_TIMER_T * | pTMR, |
| int8_t | capnum | ||
| ) |
Disables interrupt on capture of selected CAP signal.
| pTMR | : Pointer to timer IP register address |
| capnum | : Capture signal/register to use |
Definition at line 381 of file timer_18xx_43xx.h.
| STATIC INLINE void Chip_TIMER_CaptureEnableInt | ( | LPC_TIMER_T * | pTMR, |
| int8_t | capnum | ||
| ) |
Enables interrupt on capture of selected CAP signal. For the selected capture register, an interrupt will be generated when the enabled rising or falling edge on CAPn.capnum is detected.
| pTMR | : Pointer to timer IP register address |
| capnum | : Capture signal/register to use |
Definition at line 370 of file timer_18xx_43xx.h.
| STATIC INLINE void Chip_TIMER_CaptureFallingEdgeDisable | ( | LPC_TIMER_T * | pTMR, |
| int8_t | capnum | ||
| ) |
Disables capture on on falling edge of selected CAP signal. For the selected capture register, disables the selected CAPn.capnum signal to load the capture register with the terminal coount on a falling edge.
| pTMR | : Pointer to timer IP register address |
| capnum | : Capture signal/register to use |
Definition at line 357 of file timer_18xx_43xx.h.
| STATIC INLINE void Chip_TIMER_CaptureFallingEdgeEnable | ( | LPC_TIMER_T * | pTMR, |
| int8_t | capnum | ||
| ) |
Enables capture on on falling edge of selected CAP signal. For the selected capture register, enables the selected CAPn.capnum signal to load the capture register with the terminal coount on a falling edge.
| pTMR | : Pointer to timer IP register address |
| capnum | : Capture signal/register to use |
Definition at line 344 of file timer_18xx_43xx.h.
| STATIC INLINE bool Chip_TIMER_CapturePending | ( | LPC_TIMER_T * | pTMR, |
| int8_t | capnum | ||
| ) |
Determine if a capture interrupt is pending.
| pTMR | : Pointer to timer IP register address |
| capnum | : Capture interrupt number to check |
Definition at line 124 of file timer_18xx_43xx.h.
| STATIC INLINE void Chip_TIMER_CaptureRisingEdgeDisable | ( | LPC_TIMER_T * | pTMR, |
| int8_t | capnum | ||
| ) |
Disables capture on on rising edge of selected CAP signal. For the selected capture register, disables the selected CAPn.capnum signal to load the capture register with the terminal coount on a rising edge.
| pTMR | : Pointer to timer IP register address |
| capnum | : Capture signal/register to use |
Definition at line 331 of file timer_18xx_43xx.h.
| STATIC INLINE void Chip_TIMER_CaptureRisingEdgeEnable | ( | LPC_TIMER_T * | pTMR, |
| int8_t | capnum | ||
| ) |
Enables capture on on rising edge of selected CAP signal for the selected capture register, enables the selected CAPn.capnum signal to load the capture register with the terminal coount on a rising edge.
| pTMR | : Pointer to timer IP register address |
| capnum | : Capture signal/register to use |
Definition at line 318 of file timer_18xx_43xx.h.
| STATIC INLINE void Chip_TIMER_ClearCapture | ( | LPC_TIMER_T * | pTMR, |
| int8_t | capnum | ||
| ) |
Clears a (pending) capture interrupt.
| pTMR | : Pointer to timer IP register address |
| capnum | : Capture interrupt number to clear |
Definition at line 148 of file timer_18xx_43xx.h.
| STATIC INLINE void Chip_TIMER_ClearMatch | ( | LPC_TIMER_T * | pTMR, |
| int8_t | matchnum | ||
| ) |
Clears a (pending) match interrupt.
| pTMR | : Pointer to timer IP register address |
| matchnum | : Match interrupt number to clear |
Definition at line 136 of file timer_18xx_43xx.h.
| void Chip_TIMER_DeInit | ( | LPC_TIMER_T * | pTMR | ) |
Shutdown a timer.
| pTMR | : Pointer to timer IP register address |
Definition at line 78 of file timer_18xx_43xx.c.
| STATIC INLINE void Chip_TIMER_Disable | ( | LPC_TIMER_T * | pTMR | ) |
Disables the timer (stops count)
| pTMR | : Pointer to timer IP register address |
Definition at line 170 of file timer_18xx_43xx.h.
| STATIC INLINE void Chip_TIMER_Enable | ( | LPC_TIMER_T * | pTMR | ) |
Enables the timer (starts count)
| pTMR | : Pointer to timer IP register address |
Definition at line 159 of file timer_18xx_43xx.h.
| void Chip_TIMER_ExtMatchControlSet | ( | LPC_TIMER_T * | pTMR, |
| int8_t | initial_state, | ||
| TIMER_PIN_MATCH_STATE_T | matchState, | ||
| int8_t | matchnum | ||
| ) |
Sets external match control (MATn.matchnum) pin control. For the pin selected with matchnum, sets the function of the pin that occurs on a terminal count match for the match count.
| pTMR | : Pointer to timer IP register address |
| initial_state | : Initial state of the pin, high(1) or low(0) |
| matchState | : Selects the match state for the pin |
| matchnum | : MATn.matchnum signal to use |
Definition at line 104 of file timer_18xx_43xx.c.
| void Chip_TIMER_Init | ( | LPC_TIMER_T * | pTMR | ) |
Initialize a timer.
| pTMR | : Pointer to timer IP register address |
Definition at line 72 of file timer_18xx_43xx.c.
| STATIC INLINE void Chip_TIMER_MatchDisableInt | ( | LPC_TIMER_T * | pTMR, |
| int8_t | matchnum | ||
| ) |
Disables a match interrupt for a match counter.
| pTMR | : Pointer to timer IP register address |
| matchnum | : Match timer, 0 to 3 |
Definition at line 259 of file timer_18xx_43xx.h.
| STATIC INLINE void Chip_TIMER_MatchEnableInt | ( | LPC_TIMER_T * | pTMR, |
| int8_t | matchnum | ||
| ) |
Enables a match interrupt that fires when the terminal count matches the match counter value.
| pTMR | : Pointer to timer IP register address |
| matchnum | : Match timer, 0 to 3 |
Definition at line 248 of file timer_18xx_43xx.h.
| STATIC INLINE bool Chip_TIMER_MatchPending | ( | LPC_TIMER_T * | pTMR, |
| int8_t | matchnum | ||
| ) |
Determine if a match interrupt is pending.
| pTMR | : Pointer to timer IP register address |
| matchnum | : Match interrupt number to check |
Definition at line 111 of file timer_18xx_43xx.h.
| STATIC INLINE void Chip_TIMER_PrescaleSet | ( | LPC_TIMER_T * | pTMR, |
| uint32_t | prescale | ||
| ) |
Sets the prescaler value.
| pTMR | : Pointer to timer IP register address |
| prescale | : Prescale value to set the prescale register to |
Definition at line 204 of file timer_18xx_43xx.h.
| STATIC INLINE uint32_t Chip_TIMER_ReadCapture | ( | LPC_TIMER_T * | pTMR, |
| int8_t | capnum | ||
| ) |
Reads a capture register.
| pTMR | : Pointer to timer IP register address |
| capnum | : Capture register to read |
Definition at line 229 of file timer_18xx_43xx.h.
| STATIC INLINE uint32_t Chip_TIMER_ReadCount | ( | LPC_TIMER_T * | pTMR | ) |
Returns the current timer count.
| pTMR | : Pointer to timer IP register address |
Definition at line 181 of file timer_18xx_43xx.h.
| STATIC INLINE uint32_t Chip_TIMER_ReadPrescale | ( | LPC_TIMER_T * | pTMR | ) |
Returns the current prescale count.
| pTMR | : Pointer to timer IP register address |
Definition at line 192 of file timer_18xx_43xx.h.
| void Chip_TIMER_Reset | ( | LPC_TIMER_T * | pTMR | ) |
Resets the timer terminal and prescale counts to 0.
| pTMR | : Pointer to timer IP register address |
Definition at line 84 of file timer_18xx_43xx.c.
| STATIC INLINE void Chip_TIMER_ResetOnMatchDisable | ( | LPC_TIMER_T * | pTMR, |
| int8_t | matchnum | ||
| ) |
For the specific match counter, disables reset of the terminal count register when a match occurs.
| pTMR | : Pointer to timer IP register address |
| matchnum | : Match timer, 0 to 3 |
Definition at line 281 of file timer_18xx_43xx.h.
| STATIC INLINE void Chip_TIMER_ResetOnMatchEnable | ( | LPC_TIMER_T * | pTMR, |
| int8_t | matchnum | ||
| ) |
For the specific match counter, enables reset of the terminal count register when a match occurs.
| pTMR | : Pointer to timer IP register address |
| matchnum | : Match timer, 0 to 3 |
Definition at line 270 of file timer_18xx_43xx.h.
| STATIC INLINE void Chip_TIMER_SetMatch | ( | LPC_TIMER_T * | pTMR, |
| int8_t | matchnum, | ||
| uint32_t | matchval | ||
| ) |
Sets a timer match value.
| pTMR | : Pointer to timer IP register address |
| matchnum | : Match timer to set match count for |
| matchval | : Match value for the selected match count |
Definition at line 217 of file timer_18xx_43xx.h.
| STATIC INLINE void Chip_TIMER_StopOnMatchDisable | ( | LPC_TIMER_T * | pTMR, |
| int8_t | matchnum | ||
| ) |
Disable stop on match for a match timer. Disables a match timer to stop the terminal count when a match count equals the terminal count.
| pTMR | : Pointer to timer IP register address |
| matchnum | : Match timer, 0 to 3 |
Definition at line 305 of file timer_18xx_43xx.h.
| STATIC INLINE void Chip_TIMER_StopOnMatchEnable | ( | LPC_TIMER_T * | pTMR, |
| int8_t | matchnum | ||
| ) |
Enable a match timer to stop the terminal count when a match count equals the terminal count.
| pTMR | : Pointer to timer IP register address |
| matchnum | : Match timer, 0 to 3 |
Definition at line 293 of file timer_18xx_43xx.h.
| STATIC INLINE void Chip_TIMER_TIMER_SetCountClockSrc | ( | LPC_TIMER_T * | pTMR, |
| TIMER_CAP_SRC_STATE_T | capSrc, | ||
| int8_t | capnum | ||
| ) |
Sets timer count source and edge with the selected passed from CapSrc. If CapSrc selected a CAPn pin, select the specific CAPn pin with the capnum value.
| pTMR | : Pointer to timer IP register address |
| capSrc | : timer clock source and edge |
| capnum | : CAPn.capnum pin to use (if used) |
Definition at line 430 of file timer_18xx_43xx.h.
1.8.3.1