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LPCOpen Platform for LPC112X microcontrollers
112X
LPCOpen Platform for the NXP LPC112X 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 86 of file timer_112x.h.
#define TIMER_CAP_INT | ( | n | ) | (_BIT((((n) & 0x0F) + 4))) |
Macro for getting a capture event interrupt bit
Definition at line 69 of file timer_112x.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 84 of file timer_112x.h.
#define TIMER_ENABLE ((uint32_t) (1 << 0)) |
Timer/counter enable bit
Definition at line 72 of file timer_112x.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 88 of file timer_112x.h.
#define TIMER_INT_ON_MATCH | ( | n | ) | (_BIT(((n) * 3))) |
Bit location for interrupt on MRx match, n = 0 to 3
Definition at line 77 of file timer_112x.h.
#define TIMER_IR_CLR | ( | n | ) | _BIT(n) |
Macro to clear interrupt pending
Definition at line 64 of file timer_112x.h.
#define TIMER_MATCH_INT | ( | n | ) | (_BIT((n) & 0x0F)) |
Macro for getting a timer match interrupt bit
Definition at line 67 of file timer_112x.h.
#define TIMER_RESET ((uint32_t) (1 << 1)) |
Timer/counter reset bit
Definition at line 74 of file timer_112x.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 79 of file timer_112x.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 81 of file timer_112x.h.
Standard timer clock and edge for count source.
Definition at line 415 of file timer_112x.h.
Standard timer initial match pin state and change state.
Definition at line 390 of file timer_112x.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 382 of file timer_112x.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 371 of file timer_112x.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 358 of file timer_112x.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 345 of file timer_112x.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 125 of file timer_112x.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 332 of file timer_112x.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 319 of file timer_112x.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 149 of file timer_112x.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 137 of file timer_112x.h.
void Chip_TIMER_DeInit | ( | LPC_TIMER_T * | pTMR | ) |
Shutdown a timer.
pTMR | : Pointer to timer IP register address |
Definition at line 77 of file timer_112x.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 171 of file timer_112x.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 160 of file timer_112x.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 103 of file timer_112x.c.
void Chip_TIMER_Init | ( | LPC_TIMER_T * | pTMR | ) |
Initialize a timer.
pTMR | : Pointer to timer IP register address |
Definition at line 71 of file timer_112x.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 260 of file timer_112x.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 249 of file timer_112x.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 112 of file timer_112x.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 205 of file timer_112x.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 230 of file timer_112x.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 182 of file timer_112x.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 193 of file timer_112x.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 83 of file timer_112x.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 282 of file timer_112x.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 271 of file timer_112x.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 218 of file timer_112x.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 306 of file timer_112x.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 294 of file timer_112x.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 431 of file timer_112x.h.