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peripheralman.c: Added UART

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Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>
This commit is contained in:
Brendan Le Foll
2017-01-05 15:03:20 +00:00
committed by Noel Eck
parent 0ec90a3138
commit 76850eb0f4
1 changed files with 99 additions and 2 deletions
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101
src/peripheralman/peripheralman.c
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@@ -39,6 +39,105 @@ int spi_busses_count = 0;
char **uart_devices = NULL;
int uart_busses_count = 0;
static mraa_result_t
mraa_pman_uart_init_raw_replace(mraa_uart_context dev, const char* path)
{
if (BPeripheralManagerClient_openUartDevice(client, path, &dev->buart) != 0) {
BUartDevice_delete(dev->buart);
return MRAA_ERROR_INVALID_HANDLE;
}
return MRAA_SUCCESS;
}
static mraa_result_t
mraa_pman_uart_set_baudrate_replace(mraa_uart_context dev, unsigned int baud)
{
if (!dev) {
syslog(LOG_ERR, "uart: stop: context is NULL");
return 0;
}
if (BUartDevice_setBaudrate(dev->buart, baud) != 0) {
return 0;
}
return MRAA_SUCCESS;
}
static mraa_result_t
mraa_pman_uart_flush_replace(mraa_uart_context dev)
{
return MRAA_ERROR_FEATURE_NOT_IMPLEMENTED;
}
static int
mraa_pman_uart_read_replace(mraa_uart_context dev, char* buf, size_t len)
{
int rc;
uint32_t bytes_read;
if (dev->buart == NULL) {
return MRAA_ERROR_INVALID_HANDLE;
}
rc = BUartDevice_read(dev->buart, buf, len, &bytes_read);
if (rc != 0) {
return MRAA_ERROR_INVALID_RESOURCE;
}
return bytes_read;
}
static int
mraa_pman_uart_write_replace(mraa_uart_context dev, const char* buf, size_t len)
{
int rc;
uint32_t bytes_written;
if (dev->buart == NULL) {
return MRAA_ERROR_INVALID_HANDLE;
}
rc = BUartDevice_write(dev->buart, buf, len, &bytes_written);
if (rc != 0) {
return MRAA_ERROR_INVALID_RESOURCE;
}
return bytes_written;
}
static mraa_result_t
mraa_pman_uart_set_mode_replace(mraa_uart_context dev, int bytesize, mraa_uart_parity_t parity, int stopbits)
{
return MRAA_ERROR_FEATURE_NOT_IMPLEMENTED;
}
static mraa_result_t
mraa_pman_uart_set_flowcontrol_replace(mraa_uart_context dev, mraa_boolean_t xonxoff, mraa_boolean_t rtscts)
{
return MRAA_ERROR_FEATURE_NOT_IMPLEMENTED;
}
static mraa_result_t
mraa_pman_uart_set_non_blocking_replace(mraa_uart_context dev, mraa_boolean_t nonblock)
{
return MRAA_ERROR_FEATURE_NOT_IMPLEMENTED;
}
static mraa_result_t
mraa_pman_uart_set_timeout_replace(mraa_uart_context dev, int read, int write, int interchar)
{
return MRAA_ERROR_FEATURE_NOT_IMPLEMENTED;
}
static mraa_boolean_t
mraa_pman_uart_data_available_replace(mraa_uart_context dev, unsigned int millis)
{
// FIXME! We probably should say yes sometimes ;-)
return 0;
}
static mraa_result_t
mraa_pman_spi_init_raw_replace(mraa_spi_context dev, unsigned int bus, unsigned int cs)
{
@@ -650,7 +749,6 @@ mraa_peripheralman_plat_init()
b->adv_func->spi_transfer_buf_replace = &mraa_pman_spi_transfer_buf_replace;
b->adv_func->spi_transfer_buf_word_replace = &mraa_pman_spi_transfer_buf_word_replace;
#if 0
b->adv_func->uart_init_raw_replace = &mraa_pman_uart_init_raw_replace;
b->adv_func->uart_set_baudrate_replace = &mraa_pman_uart_set_baudrate_replace;
b->adv_func->uart_flush_replace = &mraa_pman_uart_flush_replace;
@@ -661,7 +759,6 @@ mraa_peripheralman_plat_init()
b->adv_func->uart_data_available_replace = &mraa_pman_uart_data_available_replace;
b->adv_func->uart_write_replace = &mraa_pman_uart_write_replace;
b->adv_func->uart_read_replace = &mraa_pman_uart_read_replace;
#endif
return b;
}