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Diffstat (limited to 'src/usbh_driver_ac_midi.c')
-rw-r--r--src/usbh_driver_ac_midi.c113
1 files changed, 43 insertions, 70 deletions
diff --git a/src/usbh_driver_ac_midi.c b/src/usbh_driver_ac_midi.c
index 413875f..96cf383 100644
--- a/src/usbh_driver_ac_midi.c
+++ b/src/usbh_driver_ac_midi.c
@@ -24,39 +24,16 @@
#include "usbh_driver_ac_midi_private.h"
#include "usart_helpers.h"
+#include <stddef.h>
+
#include <libopencm3/usb/midi.h>
#include <libopencm3/usb/audio.h>
#include <libopencm3/usb/usbstd.h>
-
-static void *midi_init(void *usbh_dev);
-static bool midi_analyze_descriptor(void *drvdata, void *descriptor);
-static void midi_poll(void *drvdata, uint32_t tflp);
-static void midi_remove(void *drvdata);
-
static midi_device_t midi_device[USBH_AC_MIDI_MAX_DEVICES];
-static const midi_config_t *midi_config = 0;
+static const midi_config_t *midi_config = NULL;
static bool initialized = false;
-static const usbh_dev_driver_info_t usbh_midi_driver_info = {
- .deviceClass = -1,
- .deviceSubClass = -1,
- .deviceProtocol = -1,
- .idVendor = -1,
- .idProduct = -1,
- .ifaceClass = 0x01,
- .ifaceSubClass = 0x03,
- .ifaceProtocol = -1,
-};
-
-const usbh_dev_driver_t usbh_midi_driver = {
- .init = midi_init,
- .analyze_descriptor = midi_analyze_descriptor,
- .poll = midi_poll,
- .remove = midi_remove,
- .info = &usbh_midi_driver_info
-};
-
void midi_driver_init(const midi_config_t *config)
{
uint32_t i;
@@ -70,14 +47,14 @@ void midi_driver_init(const midi_config_t *config)
*
*
*/
-static void *midi_init(void *usbh_dev)
+static void *init(usbh_device_t *usbh_dev)
{
if (!midi_config || !initialized) {
LOG_PRINTF("\n%s/%d : driver not initialized\n", __FILE__, __LINE__);
return 0;
}
uint32_t i;
- midi_device_t *drvdata = 0;
+ midi_device_t *drvdata = NULL;
// find free data space for midi device
for (i = 0; i < USBH_AC_MIDI_MAX_DEVICES; i++) {
@@ -89,7 +66,7 @@ static void *midi_init(void *usbh_dev)
drvdata->endpoint_in_toggle = 0;
drvdata->endpoint_out_toggle = 0;
drvdata->usbh_device = usbh_dev;
- drvdata->write_callback_user = 0;
+ drvdata->write_callback_user = NULL;
drvdata->sending = false;
break;
}
@@ -101,7 +78,7 @@ static void *midi_init(void *usbh_dev)
/**
* Returns true if all needed data are parsed
*/
-static bool midi_analyze_descriptor(void *drvdata, void *descriptor)
+static bool analyze_descriptor(void *drvdata, void *descriptor)
{
midi_device_t *midi = drvdata;
uint8_t desc_type = ((uint8_t *)descriptor)[1];
@@ -186,12 +163,13 @@ static void event(usbh_device_t *dev, usbh_packet_callback_data_t status)
midi_in_message(midi, midi->endpoint_in_maxpacketsize);
midi->state = 25;
break;
+
case USBH_PACKET_CALLBACK_STATUS_ERRSIZ:
midi_in_message(midi, status.transferred_length);
midi->state = 25;
break;
- case USBH_PACKET_CALLBACK_STATUS_EFATAL:
- case USBH_PACKET_CALLBACK_STATUS_EAGAIN:
+
+ default:
LOG_PRINTF("FATAL ERROR, MIDI DRIVER DEAD \n");
//~ dev->drv->remove();
midi->state = 0;
@@ -206,30 +184,7 @@ static void event(usbh_device_t *dev, usbh_packet_callback_data_t status)
LOG_PRINTF("\n CAN'T TOUCH THIS... ignoring data\n");
}
break;
- case 2:
- {
- LOG_PRINTF("|empty packet read|");
- if (status.status == USBH_PACKET_CALLBACK_STATUS_OK) {
- midi->state++;
- device_xfer_control_read(0, 0, event, dev);
- }
- }
- break;
- case 3: // Configured
- {
- if (status.status == USBH_PACKET_CALLBACK_STATUS_OK) {
- midi->state = 100;
-
- midi->endpoint_in_toggle = 0;
- LOG_PRINTF("\nMIDI CONFIGURED\n");
- // Notify user
- if (midi_config->notify_connected) {
- midi_config->notify_connected(midi->device_id);
- }
- }
- }
- break;
default:
break;
}
@@ -242,7 +197,7 @@ static void read_midi_in(void *drvdata, const uint8_t nextstate)
usbh_packet_t packet;
packet.address = midi->usbh_device->address;
- packet.data = &midi->buffer[0];
+ packet.data.in = &midi->buffer[0];
packet.datalen = midi->endpoint_in_maxpacketsize;
packet.endpoint_address = midi->endpoint_in_address;
packet.endpoint_size_max = midi->endpoint_in_maxpacketsize;
@@ -260,12 +215,11 @@ static void read_midi_in(void *drvdata, const uint8_t nextstate)
*
* @param t_us global time us
*/
-static void midi_poll(void *drvdata, uint32_t t_us)
+static void poll(void *drvdata, uint32_t t_us)
{
(void)drvdata;
midi_device_t *midi = drvdata;
- usbh_device_t *dev = midi->usbh_device;
switch (midi->state) {
/// Upon configuration, some controllers send additional error data
@@ -276,11 +230,13 @@ static void midi_poll(void *drvdata, uint32_t t_us)
midi->state = 101;
}
break;
+
case 101:
{
read_midi_in(drvdata, 102);
}
break;
+
case 102:
{
// if elapsed MIDI initial delay microseconds
@@ -289,6 +245,7 @@ static void midi_poll(void *drvdata, uint32_t t_us)
}
}
break;
+
case 25:
{
read_midi_in(drvdata, 26);
@@ -297,18 +254,15 @@ static void midi_poll(void *drvdata, uint32_t t_us)
case 1:
{
- //~ LOG_PRINTF("CFGVAL: %d\n", dev->config_val);
- struct usb_setup_data setup_data;
-
- setup_data.bmRequestType = 0b00000000;
- setup_data.bRequest = USB_REQ_SET_CONFIGURATION;
- setup_data.wValue = midi->buffer[0];
- setup_data.wIndex = 0;
- setup_data.wLength = 0;
+ midi->state = 100;
- midi->state++;
+ midi->endpoint_in_toggle = 0;
+ LOG_PRINTF("\nMIDI CONFIGURED\n");
- device_xfer_control_write_setup(&setup_data, sizeof(setup_data), event, dev);
+ // Notify user
+ if (midi_config->notify_connected) {
+ midi_config->notify_connected(midi->device_id);
+ }
}
break;
}
@@ -362,7 +316,7 @@ void usbh_midi_write(uint8_t device_id, const void *data, uint32_t length, midi_
midi->sending = true;
midi->write_callback_user = callback;
- midi->write_packet.data = (void*)data; // it is safe cast since we are writing and function usbh_write cannot modify data
+ midi->write_packet.data.out = data;
midi->write_packet.datalen = length;
midi->write_packet.address = dev->address;
midi->write_packet.endpoint_address = midi->endpoint_out_address;
@@ -377,7 +331,7 @@ void usbh_midi_write(uint8_t device_id, const void *data, uint32_t length, midi_
usbh_write(dev, &midi->write_packet);
}
-static void midi_remove(void *drvdata)
+static void remove(void *drvdata)
{
midi_device_t *midi = drvdata;
@@ -389,3 +343,22 @@ static void midi_remove(void *drvdata)
midi->endpoint_in_address = 0;
midi->endpoint_out_address = 0;
}
+
+static const usbh_dev_driver_info_t usbh_midi_driver_info = {
+ .deviceClass = -1,
+ .deviceSubClass = -1,
+ .deviceProtocol = -1,
+ .idVendor = -1,
+ .idProduct = -1,
+ .ifaceClass = 0x01,
+ .ifaceSubClass = 0x03,
+ .ifaceProtocol = -1,
+};
+
+const usbh_dev_driver_t usbh_midi_driver = {
+ .init = init,
+ .analyze_descriptor = analyze_descriptor,
+ .poll = poll,
+ .remove = remove,
+ .info = &usbh_midi_driver_info
+};
generated by cgit (git 2.34.1) at 2024-06-26 11:24:11 +0000