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Use select for EP0 handling + split ep0 into init and loop

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This commit is contained in:
Ed Clarke
2018-10-28 08:29:39 +00:00
parent 78f9e890d6
commit 35b43c0762
4 changed files with 581 additions and 507 deletions
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5
examples/xua_lite_example/src/app_xua_lite.xc
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@@ -53,6 +53,8 @@ void XUA_Buffer_lite(chanend c_aud_out, chanend c_feedback, chanend c_aud_in, ch
[[distributable]]
void AudioHub(server i2s_frame_callback_if i2s, chanend c_aud, client i2c_master_if ?i2c, client output_gpio_if dac_reset);
void AudioHwConfigure(unsigned samFreq, client i2c_master_if i_i2c);
void XUA_Endpoint0_select(chanend c_ep0_out, chanend c_ep0_in, chanend c_audioControl,
chanend ?c_mix_ctl, chanend ?c_clk_ctl, chanend ?c_EANativeTransport_ctrl, CLIENT_INTERFACE(i_dfu, ?dfuInterface) VENDOR_REQUESTS_PARAMS_DEC_);
int main()
{
@@ -103,7 +105,8 @@ int main()
// Endpoint 0 core from lib_xua
// Note, since we are not using many features we pass in null for quite a few params..
XUA_Endpoint0(c_ep_out[0], c_ep_in[0], c_aud_ctl, null, null, null, null);
// XUA_Endpoint0(c_ep_out[0], c_ep_in[0], c_aud_ctl, null, null, null, null);
XUA_Endpoint0_select(c_ep_out[0], c_ep_in[0], c_aud_ctl, null, null, null, null);
// Buffering cores - handles audio data to/from EP's and gives/gets data to/from the audio I/O core
XUA_Buffer_lite(c_ep_out[1], c_ep_in[1], c_ep_in[2], c_sof, c_aud_ctl, p_for_mclk_count, c_audio);

2
examples/xua_lite_example/src/xua_buffer.xc
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@@ -301,7 +301,7 @@ void XUA_Buffer_lite(chanend c_aud_out, chanend c_feedback, chanend c_aud_in, ch
// for (int i = 0; i < NUM_USB_CHAN_OUT; i++) c_audio_hub <: samples_out[1];
int out_samps[NUM_USB_CHAN_OUT];
fifo_ret_t ret = fifo_block_pop(host_to_device_fifo_ptr, out_samps, NUM_USB_CHAN_OUT);
if (ret != FIFO_SUCCESS) debug_printf("empty\n");
//if (ret != FIFO_SUCCESS) debug_printf("empty\n");
for (int i = 0; i < NUM_USB_CHAN_OUT; i++) c_audio_hub <: out_samps[i];
break;
}

1026
lib_xua/src/core/endpoint0/xua_endpoint0.c
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File diff suppressed because it is too large Load Diff

55
lib_xua/src/core/endpoint0/xua_ep0_wrapper.xc Normal file
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@@ -0,0 +1,55 @@
#include <xs1.h>
#include <safestring.h>
#include <stddef.h>
#include "xua.h"
#define DEBUG_UNIT EP0_WRAPPER
#define DEBUG_PRINT_ENABLE_EP0_WRAPPER 1
#include "debug_print.h"
#if 1
void XUA_Endpoint0_init(chanend c_ep0_out, chanend c_ep0_in, chanend c_audioControl,
chanend ?c_mix_ctl, chanend ?c_clk_ctl, chanend ?c_EANativeTransport_ctrl, CLIENT_INTERFACE(i_dfu, ?dfuInterface) VENDOR_REQUESTS_PARAMS_DEC_);
void XUA_Endpoint0_loop(XUD_Result_t result, USB_SetupPacket_t sp, chanend c_ep0_out, chanend c_ep0_in, chanend c_audioControl,
chanend ?c_mix_ctl, chanend ?c_clk_ctl, chanend ?c_EANativeTransport_ctrl, CLIENT_INTERFACE(i_dfu, ?dfuInterface) VENDOR_REQUESTS_PARAMS_DEC_);
#pragma select handler
void XUD_GetSetupData_Select(chanend c, XUD_ep e_out, unsigned &length, XUD_Result_t &result);
extern XUD_ep ep0_out;
extern XUD_ep ep0_in;
void XUA_Endpoint0_select(chanend c_ep0_out, chanend c_ep0_in, chanend c_audioControl,
chanend ?c_mix_ctl, chanend ?c_clk_ctl, chanend ?c_EANativeTransport_ctrl, CLIENT_INTERFACE(i_dfu, dfuInterface) VENDOR_REQUESTS_PARAMS_DEC_)
{
USB_SetupPacket_t sp;
XUA_Endpoint0_init(c_ep0_out, c_ep0_in, c_audioControl, c_mix_ctl, c_clk_ctl, c_EANativeTransport_ctrl, dfuInterface);
unsigned char sbuffer[120];
XUD_SetReady_Out(ep0_out, sbuffer);
while(1){
XUD_Result_t result = XUD_RES_ERR;
unsigned length = 0;
//XUD_Result_t result = XUD_GetSetupBuffer(ep0_out, sbuffer, &length); //Flattened from xud_device
// result = XUD_GetSetupData(ep0_out, sbuffer, length);//Flattened from XUD_EpFunctions.xc
select{
case XUD_GetSetupData_Select(c_ep0_out, ep0_out, length, result):
break;
}
if (result == XUD_RES_OKAY)
{
/* Parse data buffer end populate SetupPacket struct */
USB_ParseSetupPacket(sbuffer, sp);
}
debug_printf("ep0, result: %d, length: %d\n", result, length); //-1 reset, 0 ok, 1 error
XUA_Endpoint0_loop(result, sp, c_ep0_out, c_ep0_in, c_audioControl, c_mix_ctl, c_clk_ctl, c_EANativeTransport_ctrl, dfuInterface);
XUD_SetReady_Out(ep0_out, sbuffer);
}
}
#endif