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Add smartcard interface support for ST Nucleo Board.

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This commit is contained in:
NIIBE Yutaka
2019-02-28 22:35:55 +09:00
parent 3315435579
commit a4aa99f772
4 changed files with 44 additions and 10 deletions
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17
contrib/usart-stm32f103.c
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@@ -104,6 +104,7 @@ static const struct brr_setting brr_table[] = {
{ B230400, ( 9 << 4)|12},
{ B460800, ( 4 << 4)|14},
{ B921600, ( 2 << 4)|7},
{ BSCARD, ( 232 << 4)|8},
};
static void *usart_main (void *arg);
@@ -111,6 +112,18 @@ static void *usart_main (void *arg);
static struct usart_stat usart2_stat;
static struct usart_stat usart3_stat;
void
usart_config_clken (uint8_t dev_no, int on)
{
struct USART *USARTx = get_usart_dev (dev_no);
if (on)
USARTx->CR2 |= (1 << 11);
else
USARTx->CR2 &= ~(1 << 11);
}
int
usart_config (uint8_t dev_no, uint32_t config_bits)
{
@@ -172,8 +185,8 @@ usart_config (uint8_t dev_no, uint32_t config_bits)
{
if ((config_bits & MASK_MODE) == MODE_SMARTCARD)
{
USARTx->CR2 |= (0x1 << 11);
USARTx->CR3 |= (1 << 5);
USARTx->GTPR = (16 << 8) | 5;
USARTx->CR3 |= ((1 << 5) | (1 << 4));
}
else if ((config_bits & MASK_MODE) == MODE_IRDA)
USARTx->CR3 |= (1 << 1);

2
contrib/usart.h
View File

@@ -11,6 +11,7 @@
#define B230400 26
#define B460800 27
#define B921600 28
#define BSCARD 63
#define MASK_BAUD 0x3f
/* POSIX supports 5, 6. USB suppots 16 */
@@ -71,3 +72,4 @@ int usart_read (uint8_t dev_no, char *buf, uint16_t buflen);
int usart_write (uint8_t dev_no, char *buf, uint16_t buflen);
const struct usart_stat *usart_stat (uint8_t dev_no);
int usart_send_break (uint8_t dev_no);
void usart_config_clken (uint8_t dev_no, int on);