forked from PAWPAW-Mirror/lib_xua
Created xua_buffer.h.
Added dummy hw config calls to simple app. Tmp added gpio_access
This commit is contained in:
xross
50
examples/app_xua_simple/src/gpio_access.c
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50
examples/app_xua_simple/src/gpio_access.c
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#include "gpio_access.h"
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//#include "swlock.h"
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#include <xs1.h>
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//swlock_t gpo_swlock = SWLOCK_INITIAL_VALUE;
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void p_gpio_lock()
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{
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//swlock_acquire(&gpo_swlock);
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}
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void p_gpio_unlock()
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{
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//swlock_release(&gpo_swlock);
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}
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unsigned p_gpio_peek()
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{
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unsigned portId, x;
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// Wrapped in lock to ensure it's safe from multiple logical cores
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// swlock_acquire(&gpo_swlock);
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asm("ldw %0, dp[p_gpio]":"=r"(portId));
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asm volatile("peek %0, res[%1]":"=r"(x):"r"(portId));
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return x;
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}
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void p_gpio_out(unsigned x)
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{
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unsigned portId;
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asm("ldw %0, dp[p_gpio]":"=r"(portId));
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asm volatile("out res[%0], %1"::"r"(portId),"r"(x));
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// Wrapped in lock to ensure it's safe from multiple logical cores
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//swlock_release(&gpo_swlock);
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}
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void set_gpio(unsigned bit, unsigned value)
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{
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unsigned port_shadow;
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port_shadow = p_gpio_peek(); // Read port pin value
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if (value == 0) port_shadow &= ~bit; // If writing a 0, generate mask and AND with current val
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else port_shadow |= bit; // Else use mask and OR to set bit
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p_gpio_out(port_shadow); // Write back to port. Will make port an output if not already
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}
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51
examples/app_xua_simple/src/gpio_access.h
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51
examples/app_xua_simple/src/gpio_access.h
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#ifndef _GPIO_ACCESS_H_
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#define _GPIO_ACCESS_H_
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#include "customdefines.h"
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#if XCORE_200_MC_AUDIO_HW_VERSION == 2
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/* General output port bit definitions */
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#define P_GPIO_DSD_MODE (1 << 0) /* DSD mode select 0 = 8i/8o I2S, 1 = 8o DSD*/
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#define P_GPIO_DAC_RST_N (1 << 1)
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#define P_GPIO_USB_SEL0 (1 << 2)
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#define P_GPIO_USB_SEL1 (1 << 3)
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#define P_GPIO_VBUS_EN (1 << 4)
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#define P_GPIO_PLL_SEL (1 << 5) /* 1 = CS2100, 0 = Phaselink clock source */
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#define P_GPIO_ADC_RST_N (1 << 6)
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#define P_GPIO_MCLK_FSEL (1 << 7) /* Select frequency on Phaselink clock. 0 = 24.576MHz for 48k, 1 = 22.5792MHz for 44.1k.*/
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#else
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/* General output port bit definitions */
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#define P_GPIO_DSD_MODE (1 << 0) /* DSD mode select 0 = 8i/8o I2S, 1 = 8o DSD*/
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#define P_GPIO_DAC_RST_N (1 << 1)
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#define P_GPIO_ADC_RST_N (1 << 2)
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#define P_GPIO_USB_SEL0 (1 << 3)
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#define P_GPIO_USB_SEL1 (1 << 4)
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#define P_GPIO_VBUS_EN (1 << 5)
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#define P_GPIO_MCLK_FSEL (1 << 6) /* Select frequency on Phaselink clock. 0 = 24.576MHz for 48k, 1 = 22.5792MHz for 44.1k.*/
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#define P_GPIO_PLL_SEL (1 << 7) /* 1 = CS2100, 0 = Phaselink clock source */
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#endif
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/*LED array defines*/
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#define LED_ALL_ON 0xf00f
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#define LED_SQUARE_BIG 0x9009
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#define LED_SQUARE_SML 0x6006
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#define LED_ROW_1 0xf001
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#define LED_ROW_2 0xf003
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#define LED_ROW_3 0xf007
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#define ALL_OFF 0x0000
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// LED array masks
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#define LED_MASK_COL_OFF 0x7fff
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#define LED_MASK_DISABLE 0xffff
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void set_gpio(unsigned bit, unsigned value);
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void p_gpio_lock();
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void p_gpio_unlock();
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unsigned p_gpio_peek();
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void p_gpio_out(unsigned x);
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#endif
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@@ -3,6 +3,8 @@
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#include <platform.h>
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#include "audiohw.h"
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#include "customdefines.h"
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#include "gpio_access.h"
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void AudioHwConfig(unsigned samFreq, unsigned mClk, chanend ?c_codec, unsigned dsdMode,
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unsigned sampRes_DAC, unsigned sampRes_ADC)
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@@ -12,6 +14,7 @@ void AudioHwConfig(unsigned samFreq, unsigned mClk, chanend ?c_codec, unsigned d
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void AudioHwInit(chanend ?c_codec)
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{
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// nothing
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set_gpio(P_GPIO_USB_SEL0, 1);
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set_gpio(P_GPIO_USB_SEL1, 1);
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}
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117
lib_xua/api/xua_buffer.h
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117
lib_xua/api/xua_buffer.h
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#ifndef __XUA_BUFFER_H__
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#define __XUA_BUFFER_H__
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/** USB Audio Buffering Thread.
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*
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* This function buffers USB audio data between the XUD layer and the decouple
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* thread. Most of the chanend parameters to the function should be connected to
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* XUD_Manager()
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*
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* \param c_aud_out Audio OUT endpoint channel connected to the XUD
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* \param c_aud_in Audio IN endpoint channel connected to the XUD
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* \param c_aud_fb Audio feedback endpoint channel connected to the XUD
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* \param c_midi_from_host MIDI OUT endpoint channel connected to the XUD
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* \param c_midi_to_host MIDI IN endpoint channel connected to the XUD
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* \param c_int Audio clocking interrupt endpoint channel connected to the XUD
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* \param c_clk_int Optional chanend connected to the clockGen() thread if present
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* \param c_sof Start of frame channel connected to the XUD
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* \param c_aud_ctl Audio control channel connected to Endpoint0()
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* \param p_off_mclk A port that is clocked of the MCLK input (not the MCLK input itself)
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*/
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#include "devicedefines.h"
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void XUA_Buffer(
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chanend c_aud_out,
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#if (NUM_USB_CHAN_IN > 0)
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chanend c_aud_in,
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#endif
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#if (NUM_USB_CHAN_IN == 0) || defined (UAC_FORCE_FEEDBACK_EP)
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chanend c_aud_fb,
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#endif
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#ifdef MIDI
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chanend c_midi_from_host,
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chanend c_midi_to_host,
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chanend c_midi,
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#endif
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#ifdef IAP
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chanend c_iap_from_host,
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chanend c_iap_to_host,
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#ifdef IAP_INT_EP
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chanend c_iap_to_host_int,
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#endif
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chanend c_iap,
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#ifdef IAP_EA_NATIVE_TRANS
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chanend c_iap_ea_native_out,
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chanend c_iap_ea_native_in,
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chanend c_iap_ea_native_ctrl,
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chanend c_iap_ea_native_data,
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#endif
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#endif
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#if defined(SPDIF_RX) || defined(ADAT_RX)
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chanend ?c_int,
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chanend ?c_clk_int,
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#endif
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chanend c_sof,
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chanend c_aud_ctl,
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in port p_off_mclk
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#ifdef HID_CONTROLS
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, chanend c_hid
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#endif
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, chanend c_aud
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);
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void XUA_Buffer_Ep(chanend c_aud_out,
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#if (NUM_USB_CHAN_IN > 0)
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chanend c_aud_in,
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#endif
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#if (NUM_USB_CHAN_IN == 0) || defined (UAC_FORCE_FEEDBACK_EP)
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chanend c_aud_fb,
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#endif
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#ifdef MIDI
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chanend c_midi_from_host,
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chanend c_midi_to_host,
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chanend c_midi,
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#endif
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#ifdef IAP
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chanend c_iap_from_host,
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chanend c_iap_to_host,
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#ifdef IAP_INT_EP
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chanend c_iap_to_host_int,
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#endif
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chanend c_iap,
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#ifdef IAP_EA_NATIVE_TRANS
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chanend c_iap_ea_native_out,
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chanend c_iap_ea_native_in,
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chanend c_iap_ea_native_ctrl,
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chanend c_iap_ea_native_data,
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#endif
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#endif
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#if defined(SPDIF_RX) || defined(ADAT_RX)
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chanend ?c_int,
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chanend ?c_clk_int,
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#endif
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chanend c_sof,
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chanend c_aud_ctl,
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in port p_off_mclk
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#ifdef HID_CONTROLS
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, chanend c_hid
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#endif
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#ifdef CHAN_BUFF_CTRL
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, chanend c_buff_ctrl
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#endif
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);
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/** Manage the data transfer between the USB audio buffer and the
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* Audio I/O driver.
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*
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* \param c_audio_out Channel connected to the audio() or mixer() threads
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*/
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void XUA_Buffer_Decouple(chanend c_audio_out
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#ifdef CHAN_BUFF_CTRL
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, chanend c_buff_ctrl
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#endif
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);
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#endif
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@@ -1,16 +0,0 @@
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#ifndef __DECOUPLE_H__
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#define __DECOUPLE_H__
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/** Manage the data transfer between the USB audio buffer and the
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* Audio I/O driver.
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*
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* \param c_audio_out Channel connected to the audio() or mixer() threads
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*/
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void decouple(chanend c_audio_out
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#ifdef CHAN_BUFF_CTRL
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, chanend c_buff_ctrl
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#endif
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);
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#endif // __DECOUPLE_H__
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