mbed library sources
Dependents: Encrypted my_mbed lklk CyaSSL_DTLS_Cellular ... more
Superseded
This library was superseded by mbed-dev - https://os.mbed.com/users/mbed_official/code/mbed-dev/.
Development branch of the mbed library sources. This library is kept in synch with the latest changes from the mbed SDK and it is not guaranteed to work.
If you are looking for a stable and tested release, please import one of the official mbed library releases:
Import librarymbed
The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.
Revision 109:bc5f94f2a67f, committed 2014-03-04
- Comitter:
- mbed_official
- Date:
- Tue Mar 04 10:00:07 2014 +0000
- Parent:
- 108:4cb9db2ced35
- Child:
- 110:410346174f7a
- Commit message:
- Synchronized with git revision e4faeb42a7013bfc4d1dccf0a6d905d10aca5c00
Full URL: https://github.com/mbedmicro/mbed/commit/e4faeb42a7013bfc4d1dccf0a6d905d10aca5c00/
Update of cellular modem
Changed in this revision
targets/hal/TARGET_NXP/TARGET_LPC176X/serial_api.c | Show annotated file Show diff for this revision Revisions of this file |
--- a/targets/hal/TARGET_NXP/TARGET_LPC176X/serial_api.c Mon Mar 03 11:15:08 2014 +0000 +++ b/targets/hal/TARGET_NXP/TARGET_LPC176X/serial_api.c Tue Mar 04 10:00:07 2014 +0000 @@ -76,7 +76,7 @@ struct serial_global_data_s { uint32_t serial_irq_id; gpio_t sw_rts, sw_cts; - uint8_t rx_irq_set_flow, rx_irq_set_api; + uint8_t count, rx_irq_set_flow, rx_irq_set_api; }; static struct serial_global_data_s uart_data[UART_NUM]; @@ -357,6 +357,7 @@ void serial_putc(serial_t *obj, int c) { while (!serial_writable(obj)); obj->uart->THR = c; + uart_data[obj->index].count++; } int serial_readable(serial_t *obj) { @@ -364,10 +365,16 @@ } int serial_writable(serial_t *obj) { + int isWritable = 1; if (NC != uart_data[obj->index].sw_cts.pin) - return (gpio_read(&uart_data[obj->index].sw_cts) == 0) && (obj->uart->LSR & 0x40); //If flow control: writable if CTS low + UART done - else - return obj->uart->LSR & 0x20; //No flow control: writable if space in holding register + isWritable = (gpio_read(&uart_data[obj->index].sw_cts) == 0) && (obj->uart->LSR & 0x40); + else { + if (obj->uart->LSR & 0x20) + uart_data[obj->index].count = 0; + else if (uart_data[obj->index].count >= 16) + isWritable = 0; + } + return isWritable; } void serial_clear(serial_t *obj) {