uvos/libeismultiplexer
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add the ability to select a specific device via serial number

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add a interactive mode
add a batch mode
This commit is contained in:
Carl Philipp Klemm 2023-07-10 15:40:06 +02:00
parent e43ef91f85
commit c7603f54c4
5 changed files with 207 additions and 92 deletions
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15
eismultiplexer.c
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@ -42,7 +42,7 @@ static void usleep(uint64_t microseconds)
nanosleep(&ts, NULL);
}
int eismultiplexer_connect(struct eismultiplexer* muliplexer, int serial)
int eismultiplexer_connect(struct eismultiplexer* muliplexer, uint16_t serial)
{
int ret;
muliplexer->priv = malloc(sizeof(*muliplexer->priv));
@ -52,8 +52,11 @@ int eismultiplexer_connect(struct eismultiplexer* muliplexer, int serial)
ret = usbshm_init(muliplexer->priv, NULL, muliplexer);
if(ret)
return -2;
ret = usbshm_open(muliplexer->priv, 0xfe17, 0x07dc , NULL);
unsigned char serialStr[5];
snprintf((char*)serialStr, sizeof(serialStr), "%04hu", serial);
ret = usbshm_open(muliplexer->priv, 0xfe17, 0x07dc , serial == 0 ? NULL : serialStr);
if(ret)
return -3;
return 0;
@ -93,7 +96,7 @@ int eismultiplexer_disconnect_channel(struct eismultiplexer* muliplexer, channel
channel_t eismultiplexer_get_connected(struct eismultiplexer* muliplexer)
{
uint8_t buffer[2] = {};
usbshm_readControlTransferSync(muliplexer->priv, 3, buffer, 1);
usbshm_readControlTransferSync(muliplexer->priv, 3, 0, 0, buffer, 1);
return buffer[0];
}
@ -108,7 +111,7 @@ int eismultiplexer_set_led(struct eismultiplexer* muliplexer, bool on)
int eismultiplexer_write_eeprom(struct eismultiplexer* muliplexer, uint16_t addr, uint16_t value)
{
int ret;
while((ret = usbshm_writeControlTransfer(muliplexer->priv, 4, NULL, 0, value, addr)) == USBSHM_ERROR_AGAIN)
while((ret = usbshm_writeControlTransfer(muliplexer->priv, 5, NULL, 0, value, addr)) == USBSHM_ERROR_AGAIN)
usleep(1000000);
return ret;
}
@ -116,7 +119,7 @@ int eismultiplexer_write_eeprom(struct eismultiplexer* muliplexer, uint16_t addr
uint16_t eismultiplexer_read_eeprom(struct eismultiplexer* muliplexer, uint16_t addr)
{
uint8_t buffer[2] = {};
usbshm_readControlTransferSync(muliplexer->priv, 5, buffer, 2);
usbshm_readControlTransferSync(muliplexer->priv, 4, 0, addr, buffer, 2);
return *((uint16_t*)buffer);
}