aboutsummaryrefslogtreecommitdiffstats
path: root/os/hal/platforms/AT91SAM7
diff options
context:
space:
mode:
authorliamstask <liamstask@35acf78f-673a-0410-8e92-d51de3d6d3f4>2010-04-19 15:29:44 +0000
committerliamstask <liamstask@35acf78f-673a-0410-8e92-d51de3d6d3f4>2010-04-19 15:29:44 +0000
commitc2ba7ebf4611f2beec0ebdf537934f6f28513579 (patch)
tree88040ba4b38819e5877f1c9ded4321303ddc653c /os/hal/platforms/AT91SAM7
parent09126fe34f64af501fd163d4d385a71479d71096 (diff)
downloadChibiOS-c2ba7ebf4611f2beec0ebdf537934f6f28513579.tar.gz
ChibiOS-c2ba7ebf4611f2beec0ebdf537934f6f28513579.tar.bz2
ChibiOS-c2ba7ebf4611f2beec0ebdf537934f6f28513579.zip
* remove the SerialConfig pointer from the SerialDriver structure. This is now simply passed through from sdStart() to sd_lld_start()
* implementation for AT91SAM7 port provided - others will need to be updated git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@1875 35acf78f-673a-0410-8e92-d51de3d6d3f4
Diffstat (limited to 'os/hal/platforms/AT91SAM7')
-rw-r--r--os/hal/platforms/AT91SAM7/serial_lld.c18
-rw-r--r--os/hal/platforms/AT91SAM7/serial_lld.h6
2 files changed, 12 insertions, 12 deletions
diff --git a/os/hal/platforms/AT91SAM7/serial_lld.c b/os/hal/platforms/AT91SAM7/serial_lld.c
index c5197544d..c166a697d 100644
--- a/os/hal/platforms/AT91SAM7/serial_lld.c
+++ b/os/hal/platforms/AT91SAM7/serial_lld.c
@@ -81,7 +81,7 @@ static const SerialConfig default_config = {
*
* @param[in] sdp communication channel associated to the USART
*/
-static void usart_init(SerialDriver *sdp) {
+static void usart_init(SerialDriver *sdp, const SerialConfig *config) {
AT91PS_USART u = sdp->usart;
/* Disables IRQ sources and stop operations.*/
@@ -89,11 +89,11 @@ static void usart_init(SerialDriver *sdp) {
u->US_CR = AT91C_US_RSTRX | AT91C_US_RSTTX | AT91C_US_RSTSTA;
/* New parameters setup.*/
- if (sdp->config->sc_mr & AT91C_US_OVER)
- u->US_BRGR = MCK / (sdp->config->sc_speed * 8);
+ if (config->sc_mr & AT91C_US_OVER)
+ u->US_BRGR = MCK / (config->sc_speed * 8);
else
- u->US_BRGR = MCK / (sdp->config->sc_speed * 16);
- u->US_MR = sdp->config->sc_mr;
+ u->US_BRGR = MCK / (config->sc_speed * 16);
+ u->US_MR = config->sc_mr;
u->US_RTOR = 0;
u->US_TTGR = 0;
@@ -254,10 +254,10 @@ void sd_lld_init(void) {
*
* @param[in] sdp pointer to a @p SerialDriver object
*/
-void sd_lld_start(SerialDriver *sdp) {
+void sd_lld_start(SerialDriver *sdp, const SerialConfig *config) {
- if (sdp->config == NULL)
- sdp->config = &default_config;
+ if (config == NULL)
+ config = &default_config;
if (sdp->state == SD_STOP) {
#if USE_SAM7_USART0
@@ -277,7 +277,7 @@ void sd_lld_start(SerialDriver *sdp) {
}
#endif
}
- usart_init(sdp);
+ usart_init(sdp, config);
}
/**
diff --git a/os/hal/platforms/AT91SAM7/serial_lld.h b/os/hal/platforms/AT91SAM7/serial_lld.h
index e3bb23259..33355ab3d 100644
--- a/os/hal/platforms/AT91SAM7/serial_lld.h
+++ b/os/hal/platforms/AT91SAM7/serial_lld.h
@@ -90,10 +90,12 @@ typedef uint32_t sdflags_t;
typedef struct {
/**
* @brief Bit rate.
+ * @details This is written to the US_BRGR register of the appropriate AT91S_USART
*/
uint32_t sc_speed;
/**
* @brief Initialization value for the MR register.
+ * @details This is written to the US_MR register of the appropriate AT91S_USART
*/
uint32_t sc_mr;
} SerialConfig;
@@ -105,8 +107,6 @@ typedef struct {
_base_asynchronous_channel_data \
/* Driver state.*/ \
sdstate_t state; \
- /* Current configuration data.*/ \
- const SerialConfig *config; \
/* Input queue.*/ \
InputQueue iqueue; \
/* Output queue.*/ \
@@ -142,7 +142,7 @@ extern SerialDriver SD2;
extern "C" {
#endif
void sd_lld_init(void);
- void sd_lld_start(SerialDriver *sdp);
+ void sd_lld_start(SerialDriver *sdp, const SerialConfig *config);
void sd_lld_stop(SerialDriver *sdp);
#ifdef __cplusplus
}