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clean up

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hathach 2020-05-02 16:21:38 +07:00
parent ac3c645dc1
commit 3ad0cd041b
1 changed files with 18 additions and 37 deletions
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55
src/portable/microchip/samg/dcd_samg.c
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@ -106,47 +106,28 @@ static void xact_ep_read(uint8_t epnum, uint8_t* buffer, uint16_t xact_len)
//! Bitmap for all status bits in CSR that are not affected by a value 1.
#define UDP_REG_NO_EFFECT_1_ALL (UDP_CSR_RX_DATA_BK0 | UDP_CSR_RX_DATA_BK1 | UDP_CSR_STALLSENT | UDP_CSR_RXSETUP | UDP_CSR_TXCOMP)
#define CSR_NO_EFFECT_1_ALL (UDP_CSR_RX_DATA_BK0 | UDP_CSR_RX_DATA_BK1 | UDP_CSR_STALLSENT | UDP_CSR_RXSETUP | UDP_CSR_TXCOMP)
/*! Sets specified bit(s) in the UDP_CSR.
* \param ep
Endpoint number.
* \param bits Bitmap to set to 1.
*/
#define csr_set(ep, bits) \
do { \
volatile uint32_t reg; \
volatile uint32_t nop_count; \
reg = UDP->UDP_CSR[ep]; \
reg |= UDP_REG_NO_EFFECT_1_ALL; \
reg |= (bits); \
UDP->UDP_CSR[ep] = reg; \
for (nop_count = 0; nop_count < 20; nop_count ++) {\
__NOP(); \
} \
} while (0)
// Per Specs: CSR need synchronization each write
static inline void csr_set(uint8_t epnum, uint32_t mask)
{
uint32_t const csr = UDP->UDP_CSR[epnum] | CSR_NO_EFFECT_1_ALL | mask;
UDP->UDP_CSR[epnum] = csr;
volatile uint32_t nop_count;
for (nop_count = 0; nop_count < 20; nop_count ++) __NOP();
}
/*! Clears specified bit(s) in the UDP_CSR.
* \param ep
Endpoint number.
* \param bits Bitmap to set to 0.
*/
#define csr_clear(ep, bits) \
do { \
volatile uint32_t reg; \
volatile uint32_t nop_count; \
reg = UDP->UDP_CSR[ep]; \
reg |= UDP_REG_NO_EFFECT_1_ALL; \
reg &= ~(bits); \
UDP->UDP_CSR[ep] = reg; \
for (nop_count = 0; nop_count < 20; nop_count ++) {\
__NOP(); \
} \
} while (0)
// Per Specs: CSR need synchronization each write
static inline void csr_clear(uint8_t epnum, uint32_t mask)
{
uint32_t const csr = (UDP->UDP_CSR[epnum] | CSR_NO_EFFECT_1_ALL) & ~mask;
UDP->UDP_CSR[epnum] = csr;
volatile uint32_t nop_count;
for (nop_count = 0; nop_count < 20; nop_count ++) __NOP();
}
#define udp_clear_csr csr_clear
#define udp_set_csr csr_set
/*------------------------------------------------------------------*/
/* Device API
*------------------------------------------------------------------*/