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authorgdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4>2013-03-06 15:42:08 +0000
committergdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4>2013-03-06 15:42:08 +0000
commit0f61b7caf559944280099f991dcaa6b7b744123f (patch)
tree3bba03caf261272be2f4c73e30db5d3a0099f345 /os
parentff29b4539f662595fd6962d90dba18477a20aec2 (diff)
downloadChibiOS-0f61b7caf559944280099f991dcaa6b7b744123f.tar.gz
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git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@5369 35acf78f-673a-0410-8e92-d51de3d6d3f4
Diffstat (limited to 'os')
-rw-r--r--os/hal/platforms/SPC5xx/EDMA_v1/spc5_edma.c138
-rw-r--r--os/hal/platforms/SPC5xx/EDMA_v1/spc5_edma.h23
-rw-r--r--os/hal/platforms/SPC5xx/EQADC_v1/adc_lld.c30
-rw-r--r--os/hal/platforms/SPC5xx/EQADC_v1/adc_lld.h11
4 files changed, 113 insertions, 89 deletions
diff --git a/os/hal/platforms/SPC5xx/EDMA_v1/spc5_edma.c b/os/hal/platforms/SPC5xx/EDMA_v1/spc5_edma.c
index 0998289c2..617f58072 100644
--- a/os/hal/platforms/SPC5xx/EDMA_v1/spc5_edma.c
+++ b/os/hal/platforms/SPC5xx/EDMA_v1/spc5_edma.c
@@ -60,11 +60,28 @@ static const edma_channel_config_t *channels[SPC5_EDMA_NCHANNELS];
* @isr
*/
CH_IRQ_HANDLER(vector10) {
+ edma_channel_t channel;
+ uint32_t erl, esr = EDMA.ESR.R;
CH_IRQ_PROLOGUE();
- /* TODO: Pass to the drivers somehow.*/
- chSysHalt();
+ /* Scanning for errors.*/
+ channel = 0;
+ while (((erl = EDMA.ERL.R) != 0) && (channel < SPC5_EDMA_NCHANNELS)) {
+
+ if ((erl & (1U << channel)) != 0) {
+ /* Error flag cleared.*/
+ EDMA.CER.R = channel;
+
+ /* If the channel is not associated then the error is simply discarded
+ else the error callback is invoked.*/
+ if (channels[channel] != NULL)
+ channels[channel]->dma_error_func(channel,
+ channels[channel]->dma_param,
+ esr);
+ channel++;
+ }
+ }
CH_IRQ_EPILOGUE();
}
@@ -82,8 +99,7 @@ CH_IRQ_HANDLER(vector11) {
SPC5_EDMA_ERROR_HANDLER();
}
EDMA.CIRQR.R = 0;
- if (channels[0] != NULL)
- channels[0]->dma_func(0, channels[0]->dma_param);
+ channels[0]->dma_func(0, channels[0]->dma_param);
CH_IRQ_EPILOGUE();
}
@@ -101,8 +117,7 @@ CH_IRQ_HANDLER(vector12) {
SPC5_EDMA_ERROR_HANDLER();
}
EDMA.CIRQR.R = 1;
- if (channels[1] != NULL)
- channels[1]->dma_func(1, channels[1]->dma_param);
+ channels[1]->dma_func(1, channels[1]->dma_param);
CH_IRQ_EPILOGUE();
}
@@ -120,8 +135,7 @@ CH_IRQ_HANDLER(vector13) {
SPC5_EDMA_ERROR_HANDLER();
}
EDMA.CIRQR.R = 2;
- if (channels[2] != NULL)
- channels[2]->dma_func(2, channels[2]->dma_param);
+ channels[2]->dma_func(2, channels[2]->dma_param);
CH_IRQ_EPILOGUE();
}
@@ -139,8 +153,7 @@ CH_IRQ_HANDLER(vector14) {
SPC5_EDMA_ERROR_HANDLER();
}
EDMA.CIRQR.R = 3;
- if (channels[3] != NULL)
- channels[3]->dma_func(3, channels[3]->dma_param);
+ channels[3]->dma_func(3, channels[3]->dma_param);
CH_IRQ_EPILOGUE();
}
@@ -158,8 +171,7 @@ CH_IRQ_HANDLER(vector15) {
SPC5_EDMA_ERROR_HANDLER();
}
EDMA.CIRQR.R = 4;
- if (channels[4] != NULL)
- channels[4]->dma_func(4, channels[4]->dma_param);
+ channels[4]->dma_func(4, channels[4]->dma_param);
CH_IRQ_EPILOGUE();
}
@@ -177,8 +189,7 @@ CH_IRQ_HANDLER(vector16) {
SPC5_EDMA_ERROR_HANDLER();
}
EDMA.CIRQR.R = 5;
- if (channels[5] != NULL)
- channels[5]->dma_func(5, channels[5]->dma_param);
+ channels[5]->dma_func(5, channels[5]->dma_param);
CH_IRQ_EPILOGUE();
}
@@ -196,8 +207,7 @@ CH_IRQ_HANDLER(vector17) {
SPC5_EDMA_ERROR_HANDLER();
}
EDMA.CIRQR.R = 6;
- if (channels[6] != NULL)
- channels[6]->dma_func(6, channels[6]->dma_param);
+ channels[6]->dma_func(6, channels[6]->dma_param);
CH_IRQ_EPILOGUE();
}
@@ -215,8 +225,7 @@ CH_IRQ_HANDLER(vector18) {
SPC5_EDMA_ERROR_HANDLER();
}
EDMA.CIRQR.R = 7;
- if (channels[7] != NULL)
- channels[7]->dma_func(7, channels[7]->dma_param);
+ channels[7]->dma_func(7, channels[7]->dma_param);
CH_IRQ_EPILOGUE();
}
@@ -234,8 +243,7 @@ CH_IRQ_HANDLER(vector19) {
SPC5_EDMA_ERROR_HANDLER();
}
EDMA.CIRQR.R = 8;
- if (channels[8] != NULL)
- channels[8]->dma_func(8, channels[8]->dma_param);
+ channels[8]->dma_func(8, channels[8]->dma_param);
CH_IRQ_EPILOGUE();
}
@@ -253,8 +261,7 @@ CH_IRQ_HANDLER(vector20) {
SPC5_EDMA_ERROR_HANDLER();
}
EDMA.CIRQR.R = 9;
- if (channels[9] != NULL)
- channels[9]->dma_func(9, channels[9]->dma_param);
+ channels[9]->dma_func(9, channels[9]->dma_param);
CH_IRQ_EPILOGUE();
}
@@ -272,8 +279,7 @@ CH_IRQ_HANDLER(vector21) {
SPC5_EDMA_ERROR_HANDLER();
}
EDMA.CIRQR.R = 10;
- if (channels[10] != NULL)
- channels[10]->dma_func(10, channels[10]->dma_param);
+ channels[10]->dma_func(10, channels[10]->dma_param);
CH_IRQ_EPILOGUE();
}
@@ -291,8 +297,7 @@ CH_IRQ_HANDLER(vector22) {
SPC5_EDMA_ERROR_HANDLER();
}
EDMA.CIRQR.R = 11;
- if (channels[11] != NULL)
- channels[11]->dma_func(11, channels[11]->dma_param);
+ channels[11]->dma_func(11, channels[11]->dma_param);
CH_IRQ_EPILOGUE();
}
@@ -310,8 +315,7 @@ CH_IRQ_HANDLER(vector23) {
SPC5_EDMA_ERROR_HANDLER();
}
EDMA.CIRQR.R = 12;
- if (channels[12] != NULL)
- channels[12]->dma_func(12, channels[12]->dma_param);
+ channels[12]->dma_func(12, channels[12]->dma_param);
CH_IRQ_EPILOGUE();
}
@@ -329,8 +333,7 @@ CH_IRQ_HANDLER(vector24) {
SPC5_EDMA_ERROR_HANDLER();
}
EDMA.CIRQR.R = 13;
- if (channels[13] != NULL)
- channels[13]->dma_func(13, channels[13]->dma_param);
+ channels[13]->dma_func(13, channels[13]->dma_param);
CH_IRQ_EPILOGUE();
}
@@ -348,8 +351,7 @@ CH_IRQ_HANDLER(vector25) {
SPC5_EDMA_ERROR_HANDLER();
}
EDMA.CIRQR.R = 14;
- if (channels[14] != NULL)
- channels[14]->dma_func(14, channels[14]->dma_param);
+ channels[14]->dma_func(14, channels[14]->dma_param);
CH_IRQ_EPILOGUE();
}
@@ -367,8 +369,7 @@ CH_IRQ_HANDLER(vector26) {
SPC5_EDMA_ERROR_HANDLER();
}
EDMA.CIRQR.R = 15;
- if (channels[15] != NULL)
- channels[15]->dma_func(15, channels[15]->dma_param);
+ channels[15]->dma_func(15, channels[15]->dma_param);
CH_IRQ_EPILOGUE();
}
@@ -387,8 +388,7 @@ CH_IRQ_HANDLER(vector27) {
SPC5_EDMA_ERROR_HANDLER();
}
EDMA.CIRQR.R = 16;
- if (channels[16] != NULL)
- channels[16]->dma_func(16, channels[16]->dma_param);
+ channels[16]->dma_func(16, channels[16]->dma_param);
CH_IRQ_EPILOGUE();
}
@@ -406,8 +406,7 @@ CH_IRQ_HANDLER(vector28) {
SPC5_EDMA_ERROR_HANDLER();
}
EDMA.CIRQR.R = 17;
- if (channels[17] != NULL)
- channels[17]->dma_func(17, channels[17]->dma_param);
+ channels[17]->dma_func(17, channels[17]->dma_param);
CH_IRQ_EPILOGUE();
}
@@ -425,8 +424,7 @@ CH_IRQ_HANDLER(vector29) {
SPC5_EDMA_ERROR_HANDLER();
}
EDMA.CIRQR.R = 18;
- if (channels[18] != NULL)
- channels[18]->dma_func(18, channels[18]->dma_param);
+ channels[18]->dma_func(18, channels[18]->dma_param);
CH_IRQ_EPILOGUE();
}
@@ -444,8 +442,7 @@ CH_IRQ_HANDLER(vector30) {
SPC5_EDMA_ERROR_HANDLER();
}
EDMA.CIRQR.R = 19;
- if (channels[19] != NULL)
- channels[19]->dma_func(19, channels[19]->dma_param);
+ channels[19]->dma_func(19, channels[19]->dma_param);
CH_IRQ_EPILOGUE();
}
@@ -463,8 +460,7 @@ CH_IRQ_HANDLER(vector31) {
SPC5_EDMA_ERROR_HANDLER();
}
EDMA.CIRQR.R = 20;
- if (channels[20] != NULL)
- channels[20]->dma_func(20, channels[20]->dma_param);
+ channels[20]->dma_func(20, channels[20]->dma_param);
CH_IRQ_EPILOGUE();
}
@@ -482,8 +478,7 @@ CH_IRQ_HANDLER(vector32) {
SPC5_EDMA_ERROR_HANDLER();
}
EDMA.CIRQR.R = 21;
- if (channels[21] != NULL)
- channels[21]->dma_func(21, channels[21]->dma_param);
+ channels[21]->dma_func(21, channels[21]->dma_param);
CH_IRQ_EPILOGUE();
}
@@ -501,8 +496,7 @@ CH_IRQ_HANDLER(vector33) {
SPC5_EDMA_ERROR_HANDLER();
}
EDMA.CIRQR.R = 22;
- if (channels[22] != NULL)
- channels[22]->dma_func(22, channels[22]->dma_param);
+ channels[22]->dma_func(22, channels[22]->dma_param);
CH_IRQ_EPILOGUE();
}
@@ -520,8 +514,7 @@ CH_IRQ_HANDLER(vector34) {
SPC5_EDMA_ERROR_HANDLER();
}
EDMA.CIRQR.R = 23;
- if (channels[23] != NULL)
- channels[23]->dma_func(23, channels[23]->dma_param);
+ channels[23]->dma_func(23, channels[23]->dma_param);
CH_IRQ_EPILOGUE();
}
@@ -539,8 +532,7 @@ CH_IRQ_HANDLER(vector35) {
SPC5_EDMA_ERROR_HANDLER();
}
EDMA.CIRQR.R = 24;
- if (channels[24] != NULL)
- channels[24]->dma_func(24, channels[24]->dma_param);
+ channels[24]->dma_func(24, channels[24]->dma_param);
CH_IRQ_EPILOGUE();
}
@@ -558,8 +550,7 @@ CH_IRQ_HANDLER(vector36) {
SPC5_EDMA_ERROR_HANDLER();
}
EDMA.CIRQR.R = 25;
- if (channels[25] != NULL)
- channels[25]->dma_func(25, channels[25]->dma_param);
+ channels[25]->dma_func(25, channels[25]->dma_param);
CH_IRQ_EPILOGUE();
}
@@ -577,8 +568,7 @@ CH_IRQ_HANDLER(vector37) {
SPC5_EDMA_ERROR_HANDLER();
}
EDMA.CIRQR.R = 26;
- if (channels[26] != NULL)
- channels[26]->dma_func(26, channels[26]->dma_param);
+ channels[26]->dma_func(26, channels[26]->dma_param);
CH_IRQ_EPILOGUE();
}
@@ -596,8 +586,7 @@ CH_IRQ_HANDLER(vector38) {
SPC5_EDMA_ERROR_HANDLER();
}
EDMA.CIRQR.R = 27;
- if (channels[27] != NULL)
- channels[27]->dma_func(27, channels[27]->dma_param);
+ channels[27]->dma_func(27, channels[27]->dma_param);
CH_IRQ_EPILOGUE();
}
@@ -615,8 +604,7 @@ CH_IRQ_HANDLER(vector39) {
SPC5_EDMA_ERROR_HANDLER();
}
EDMA.CIRQR.R = 28;
- if (channels[28] != NULL)
- channels[28]->dma_func(28, channels[28]->dma_param);
+ channels[28]->dma_func(28, channels[28]->dma_param);
CH_IRQ_EPILOGUE();
}
@@ -634,8 +622,7 @@ CH_IRQ_HANDLER(vector40) {
SPC5_EDMA_ERROR_HANDLER();
}
EDMA.CIRQR.R = 29;
- if (channels[29] != NULL)
- channels[29]->dma_func(29, channels[29]->dma_param);
+ channels[29]->dma_func(29, channels[29]->dma_param);
CH_IRQ_EPILOGUE();
}
@@ -653,8 +640,7 @@ CH_IRQ_HANDLER(vector41) {
SPC5_EDMA_ERROR_HANDLER();
}
EDMA.CIRQR.R = 30;
- if (channels[30] != NULL)
- channels[30]->dma_func(30, channels[30]->dma_param);
+ channels[30]->dma_func(30, channels[30]->dma_param);
CH_IRQ_EPILOGUE();
}
@@ -672,8 +658,7 @@ CH_IRQ_HANDLER(vector42) {
SPC5_EDMA_ERROR_HANDLER();
}
EDMA.CIRQR.R = 31;
- if (channels[31] != NULL)
- channels[31]->dma_func(31, channels[31]->dma_param);
+ channels[31]->dma_func(31, channels[31]->dma_param);
CH_IRQ_EPILOGUE();
}
@@ -698,6 +683,9 @@ void edmaInit(void) {
EDMA.ERL.R = 0xFFFFFFFF;
for (i = 0; i < SPC5_EDMA_NCHANNELS; i++)
EDMA.CPR[i].R = 0;
+
+ /* Error interrupt source.*/
+ INTC.PSR[10].R = SPC5_EDMA_ERROR_IRQ_PRIO;
}
/**
@@ -720,14 +708,24 @@ edma_channel_t edmaChannelAllocate(const edma_channel_config_t *ccfg) {
#if SPC5_EDMA_HAS_MUX
/* TODO: MUX handling.*/
channel = EDMA_ERROR;
- return channel;
#else /* !SPC5_EDMA_HAS_MUX */
channel = (edma_channel_t)ccfg->dma_periph;
if (channels[channel] != NULL)
return EDMA_ERROR; /* Already taken.*/
+#endif /* !SPC5_EDMA_HAS_MUX */
+
+ /* Associating the configuration to the channel.*/
channels[channel] = ccfg;
+
+ /* If an error callback is defined then the erro interrupt source is
+ enabled for the channel.*/
+ if (ccfg->dma_error_func != NULL)
+ EDMA.SEEIR.R = channel;
+
+ /* Setting up IRQ priority for the selected channel.*/
+ INTC.PSR[11 + channel].R = ccfg->dma_irq_prio;
+
return channel;
-#endif /* !SPC5_EDMA_HAS_MUX */
}
/**
@@ -745,6 +743,10 @@ void edmaChannelRelease(edma_channel_t channel) {
"edmaChannelRelease(), #1",
"not allocated");
+ /* Error IRQ masked for the released channel.*/
+ EDMA.CEEIR.R = channel;
+
+ /* The channels is flagged as available.*/
channels[channel] = NULL;
}
diff --git a/os/hal/platforms/SPC5xx/EDMA_v1/spc5_edma.h b/os/hal/platforms/SPC5xx/EDMA_v1/spc5_edma.h
index 5b0f00843..f209c289b 100644
--- a/os/hal/platforms/SPC5xx/EDMA_v1/spc5_edma.h
+++ b/os/hal/platforms/SPC5xx/EDMA_v1/spc5_edma.h
@@ -68,6 +68,14 @@
#define SPC5_EDMA_ERROR_HANDLER() chSysHalt()
#endif
+
+/**
+ * @brief EDMA error handler IRQ priority.
+ */
+#if !defined(SPC5_ADC0_FIFO2_DMA_IRQ_PRIO) || defined(__DOXYGEN__)
+#define SPC5_EDMA_ERROR_IRQ_PRIO 12
+#endif
+
/*===========================================================================*/
/* Derived constants and error checks. */
/*===========================================================================*/
@@ -96,7 +104,7 @@ typedef struct {
} edma_tcd_t;
/**
- * @brief DMA ISR function type.
+ * @brief DMA callback type.
*
* @param[in] channel the channel number
* @param[in] p parameter for the registered function
@@ -104,6 +112,17 @@ typedef struct {
typedef void (*edma_callback_t)(edma_channel_t channel, void *p);
/**
+ * @brief DMA error callback type.
+ *
+ * @param[in] channel the channel number
+ * @param[in] p parameter for the registered function
+ * @param[in] esr content of the ESR register
+ */
+typedef void (*edma_error_callback_t)(edma_channel_t channel,
+ void *p,
+ uint32_t esr);
+
+/**
* @brief Type of an EDMA channel configuration structure.
*/
typedef struct {
@@ -114,7 +133,7 @@ typedef struct {
uint8_t dma_irq_prio; /**< @brief IRQ priority level for
this channel. */
edma_callback_t dma_func; /**< @brief Channel callback. */
- edma_callback_t dma_error_func; /**< @brief Channel error callback. */
+ edma_error_callback_t dma_error_func; /**< @brief Channel error callback. */
void *dma_param; /**< @brief Channel callback param. */
} edma_channel_config_t;
diff --git a/os/hal/platforms/SPC5xx/EQADC_v1/adc_lld.c b/os/hal/platforms/SPC5xx/EQADC_v1/adc_lld.c
index 75bca5fe3..60fac8a5d 100644
--- a/os/hal/platforms/SPC5xx/EQADC_v1/adc_lld.c
+++ b/os/hal/platforms/SPC5xx/EQADC_v1/adc_lld.c
@@ -27,14 +27,16 @@
/* Some forward declarations.*/
static void adc_serve_rfifo_irq(edma_channel_t channel, void *p);
-static void adc_serve_dma_error_irq(edma_channel_t channel, void *p);
+static void adc_serve_dma_error_irq(edma_channel_t channel,
+ void *p,
+ uint32_t esr);
/*===========================================================================*/
/* Driver local definitions. */
/*===========================================================================*/
/**
- * @brief Calibration constant.
+ * @brief Calibration constant.
* @details Ideal conversion result for 75%(VRH - VRL) minus 2.
*/
#define ADC_IDEAL_RES75_2 12286
@@ -434,16 +436,18 @@ static void adc_serve_rfifo_irq(edma_channel_t channel, void *p) {
*
* @param[in] channel the channel number
* @param[in] p parameter for the registered function
+ * @param[in] esr content of the ESR register
*
* @notapi
*/
-static void adc_serve_dma_error_irq(edma_channel_t channel, void *p) {
+static void adc_serve_dma_error_irq(edma_channel_t channel,
+ void *p,
+ uint32_t esr) {
ADCDriver *adcp = (ADCDriver *)p;
(void)channel;
+ (void)esr;
- /* DMA, this could help only if the DMA tries to access an unmapped
- address space or violates alignment rules.*/
_adc_isr_error_code(adcp, ADC_ERR_DMAFAILURE);
}
@@ -620,6 +624,10 @@ void adc_lld_start(ADCDriver *adcp) {
0, /* slast, no source adjust. */
0, /* dlast, temporary. */
0); /* mode, temporary. */
+
+ /* HW triggers setup.*/
+ SIU.ETISR.R = adcp->config->etisr;
+ SIU.ISEL3.R = adcp->config->isel3;
}
/**
@@ -637,16 +645,6 @@ void adc_lld_stop(ADCDriver *adcp) {
/* Releases the allocated EDMA channels.*/
edmaChannelRelease(adcp->cfifo_channel);
edmaChannelRelease(adcp->rfifo_channel);
-
- /* Disables the peripheral.*/
-#if SPC5_ADC_USE_ADC0_Q0
- if (&ADCD1 == adcp) {
- }
-#endif /* SPC5_ADC_USE_ADC0_Q0 */
-#if SPC5_ADC_USE_ADC1_Q3
- if (&ADCD1 == adcp) {
- }
-#endif /* SPC5_ADC_USE_ADC1_Q3 */
}
}
@@ -667,8 +665,6 @@ void adc_lld_start_conversion(ADCDriver *adcp) {
chDbgAssert(adcp->grpp->num_iterations >= adcp->depth,
"adc_lld_start_conversion(), #1", "too many elements");
- /* TODO: ISEL0, ISEL3 setup for HW triggers.*/
-
/* Updating the variable TCD fields for CFIFO.*/
edmaTCDSetSourceAddress(ctcdp, adcp->grpp->commands);
edmaTCDSetOuterLoopCount(ctcdp, (uint32_t)adcp->grpp->num_channels *
diff --git a/os/hal/platforms/SPC5xx/EQADC_v1/adc_lld.h b/os/hal/platforms/SPC5xx/EQADC_v1/adc_lld.h
index ef19f7e86..49b74496e 100644
--- a/os/hal/platforms/SPC5xx/EQADC_v1/adc_lld.h
+++ b/os/hal/platforms/SPC5xx/EQADC_v1/adc_lld.h
@@ -374,7 +374,7 @@
/*===========================================================================*/
#if !SPC5_HAS_EQADC
-#error "EQADC1 not present in the selected device"
+#error "EQADC not present in the selected device"
#endif
#define SPC5_ADC_USE_ADC0 (SPC5_ADC_USE_ADC0_Q0 | \
@@ -502,7 +502,14 @@ typedef struct {
* @note It could be empty on some architectures.
*/
typedef struct {
- uint32_t dummy;
+ /**
+ * @brief ETISR register value for the session.
+ */
+ uint32_t etisr;
+ /**
+ * @brief ISEL3 register value for the session.
+ */
+ uint32_t isel3;
} ADCConfig;
/**