@CHIP-RTOS C Library - Hardware API

Header File:         #include <HWAPI.H>

Here are the API functions for access to the IPC@CHIP®'s hardware.

Topics

Hardware API Layer Model

PFE - Pin Function Enabler Functions

pfe_enable_bus	Enable data bus
pfe_enable_adr	Enable non-multiplexed address bus
pfe_enable_pio	Enable programmable I/O pins
pfe_get_pio_state	Get programmable PIO pins state
pfe_get_pio_state2	Get programmable PIO pins state (PIO16-31)
pfe_enable_pcs	Enable programmable chip selects
pfe_enable_int	Enable external interrupt requests
pfe_enable_timer	Enable external timer inputs/outputs
pfe_set_edge_level_intr_mode	Set edge/level interrupt mode
pfe_enable_pwd	Enable PWD mode
pfe_enable_external_dma	Enable external DMA
pfe_enable_int_cascade_mode	Enable INT0/INTA cascade mode
pfe_set_wait_states	Set wait states for PCS0-3
pfe_set_wait_states2	Set wait states for PCS5-6, respectively PCS4-7
pfe_set_wait_states_ucs	Set wait states for UCS
pfe_enable_bus_signals	Enable bus signals (ARDY, HOLD, WRL/WRH, A0/BHE)
pfe_get_vectors	Get Hardware API function pointers

HAL - Hardware Abstraction Layer Functions

-- Data Bus I/O -- hal_read_bus	Deprecated! Read data bus
hal_write_bus	Deprecated! Write data bus
hal_readblock_bus	Deprecated! Block read data bus
hal_writeblock_bus	Deprecated! Block write data bus
-- PIO -- hal_read_pios	Read programmable I/O pins
hal_read_pios2	Read programmable I/O pins
hal_write_pios	Write programmable I/O pins
hal_write_pios2	Write programmable I/O pins
hal_read_pio	Read specific I/O pin
hal_write_pio	Write to specific I/O pin
-- Interrupts -- hal_install_isr	Install Interrupt Service Routine
hal_install_rtx_isr	Install RTX Interrupt Service Routine
hal_give_eoi	Issue EOI to interrupt controller
hal_mask_int	Mask/Unmask Interrupts
-- Timer Operation -- hal_init_timer	Initialize timer settings
hal_init_timer_ext	Initialize timer settings Ext
hal_start_timer	Start timer
hal_stop_timer	Stop timer
hal_read_timer_count	Read timer count
hal_write_timer_count	Write timer count
hal_set_duty_cycle_waveform	Set timer duty cycle waveform
-- Watchdog -- hal_set_watchdog_mode	Get/Set watchdog mode
hal_refresh_watchdog	Refresh watchdog
-- DMA Control -- hal_start_dma	Start DMA mode
hal_stop_dma	Stop DMA transfer
hal_get_dma_info	Get DMA info
-- Non-Volatile Data -- hal_init_non_volatile_data	Initialize/Restore non-volatile data
hal_save_non_volatile_data	Save non-volatile data
hal_get_reboot_reason	Get reboot reason
hal_install_pfaildone_callback	Install PowerfailDone callback
-- other functions -- hal_get_frequencies	Get frequencies